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WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: A backend software developer who designs, builds, and supports reliable systems from the ground up. This role is best suited to someone who pays close attention to details, follows work through to completion, and takes ownership of quality across implementation, testing, release, and ongoing support. The developer will also extend existing systems while maintaining performance, security, maintainability, and test coverage across the stack. What you'll be doing: Demonstrate strong Java proficiency to design, prototype, and review core services and integrations. Partner with product and engineering teams to clarify requirements, identify edge cases and acceptance criteria, and translate business needs into solution architectures, technical specifications, and implementation plans. Design integration approaches across systems, including RESTful APIs, messaging/event-driven patterns, and data synchronization. Evaluate and recommend technology choices, frameworks, and third-party components; perform trade-off analyses and document decisions. Ensure non-functional requirements are met, including security, scalability, observability (logging/metrics/tracing), resilience, and disaster recovery. Collaborate with DevOps/SRE to support CI/CD pipelines, deployment architecture, and operational readiness. Contribute actively to architecture and design reviews, provide thoughtful technical guidance, and remain engaged through delivery and post-release support. Identify technical risks, dependencies, ambiguous requirements, and delivery gaps early; document mitigation plans, track them to resolution, and confirm outcomes with stakeholders. What you'll need: Strong proficiency in Java and the JVM ecosystem (e.g., Spring/Spring Boot), including performance tuning and troubleshooting. Knowledgeable of core web principles: HTTP, AJAX, cookies, performance best practices, and security fundamentals. Demonstrated experience developing and supporting large enterprise applications with high availability and complex integrations. Solid understanding of distributed systems concepts (e.g., concurrency, caching, eventual consistency, resiliency patterns). Experience with relational databases and SQL; ability to model data and optimize queries. Knowledge of document-based (NoSQL) databases (e.g., MongoDB, Couchbase) including data modeling and query patterns. Strong communication skills with the ability to explain technical trade-offs to both technical and non-technical audiences. Write clean, well-documented, and thoroughly tested code; verify edge cases, failure modes, error handling, and operational behavior before considering work complete. Own features from initial requirements through implementation, testing, release, and post-release validation, resolving defects and unfinished details rather than handing off incomplete work. Participate in a constructive and inclusive culture of peer code reviews. Preferred Qualifications Experience with cloud platforms (Azure/AWS/GCP) and cloud-native architectures. Experience with containerization and orchestration (Docker, Kubernetes). Familiarity with messaging and event-driven design. Experience with identity and access management, application security, and threat modeling. Experience with observability tooling and practices (APM, centralized logging, distributed tracing). Experience with the Office 365 ecosystem. Experience with Okta and/or other single sign-on (SSO) identity providers. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: We are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The base salary range for this position at the time of this posting is indicated below. Individual compensation varies based on job-related factors, including location, business needs, level of responsibility, experience, and qualifications. We offer a competitive benefits package, go to https://mybenefits.wpp.com/public/welcome for more details. . $60,000 — $140,000 USD We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: A backend software developer who designs, builds, and supports reliable systems from the ground up. This role is best suited to someone who pays close attention to details, follows work through to completion, and takes ownership of quality across implementation, testing, release, and ongoing support. The developer will also extend existing systems while maintaining performance, security, maintainability, and test coverage across the stack. What you'll be doing: Demonstrate strong Java proficiency to design, prototype, and review core services and integrations. Partner with product and engineering teams to clarify requirements, identify edge cases and acceptance criteria, and translate business needs into solution architectures, technical specifications, and implementation plans. Design integration approaches across systems, including RESTful APIs, messaging/event-driven patterns, and data synchronization. Evaluate and recommend technology choices, frameworks, and third-party components; perform trade-off analyses and document decisions. Ensure non-functional requirements are met, including security, scalability, observability (logging/metrics/tracing), resilience, and disaster recovery. Collaborate with DevOps/SRE to support CI/CD pipelines, deployment architecture, and operational readiness. Contribute actively to architecture and design reviews, provide thoughtful technical guidance, and remain engaged through delivery and post-release support. Identify technical risks, dependencies, ambiguous requirements, and delivery gaps early; document mitigation plans, track them to resolution, and confirm outcomes with stakeholders. What you'll need: Strong proficiency in Java and the JVM ecosystem (e.g., Spring/Spring Boot), including performance tuning and troubleshooting. Knowledgeable of core web principles: HTTP, AJAX, cookies, performance best practices, and security fundamentals. Demonstrated experience developing and supporting large enterprise applications with high availability and complex integrations. Solid understanding of distributed systems concepts (e.g., concurrency, caching, eventual consistency, resiliency patterns). Experience with relational databases and SQL; ability to model data and optimize queries. Knowledge of document-based (NoSQL) databases (e.g., MongoDB, Couchbase) including data modeling and query patterns. Strong communication skills with the ability to explain technical trade-offs to both technical and non-technical audiences. Write clean, well-documented, and thoroughly tested code; verify edge cases, failure modes, error handling, and operational behavior before considering work complete. Own features from initial requirements through implementation, testing, release, and post-release validation, resolving defects and unfinished details rather than handing off incomplete work. Participate in a constructive and inclusive culture of peer code reviews. Preferred Qualifications Experience with cloud platforms (Azure/AWS/GCP) and cloud-native architectures. Experience with containerization and orchestration (Docker, Kubernetes). Familiarity with messaging and event-driven design. Experience with identity and access management, application security, and threat modeling. Experience with observability tooling and practices (APM, centralized logging, distributed tracing). Experience with the Office 365 ecosystem. Experience with Okta and/or other single sign-on (SSO) identity providers. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: We are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The base salary range for this position at the time of this posting is indicated below. Individual compensation varies based on job-related factors, including location, business needs, level of responsibility, experience, and qualifications. We offer a competitive benefits package, go to https://mybenefits.wpp.com/public/welcome for more details. . $60,000 — $140,000 USD We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: The Business Intelligence Developer drives the design, development, and maintenance of Power BI dashboards and reports used across AUNZ Finance and Operations. This role bridges data and stakeholders - translating requirements into intuitive, actionable dashboards, providing first-level support to end users, and delivering ad hoc analysis in partnership with the Head of Data & Analytics. What you'll be doing: KRA 1 Dashboard Design & Development Translate business requirements into intuitive, visually compelling Power BI dashboards and reports. Create wireframes and proof-of-concepts aligned with requirements, adhering to design standards. Develop custom visuals where native Power BI functionality does not meet business needs. Maintain quality control standards across own projects prior to release. KRA 2 Data Modelling & Security Design and refine data models underpinning dashboards, building on curated datasets. Implement and maintain row-level and application-layer security to ensure appropriate data access. Manage and monitor scheduled data refreshes, proactively resolving issues. KRA 3 Support & Ad Hoc Analysis Act as first-level support desk for reporting/dashboard tickets, resolving the majority independently and escalating complex or technical issues as appropriate. Manage access/permissions administration (joiners, movers, leavers) in line with governance controls. Provide ad hoc analysis to the Head of Data & Analytics and AUNZ stakeholders as required. KRA 4 Documentation & Continuous Improvement Maintain documentation for dashboards, reports, and business logic within the reporting layer. Monitor data quality within dashboards, identifying and escalating inconsistencies. Monitor the Power BI roadmap and identify opportunities to adopt new features and best practice. What you'll need: 4+ years' hands-on Power BI development experience. Proficient in DAX and Power Query; strong SQL skills for data extraction and transformation. Experience implementing RLS and application-layer security models in Power BI. Understanding of financial or operational data is desirable but not required. Strong communication skills, comfortable engaging with stakeholders on requirements and ad hoc requests. Who you are: You're open : we are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : we approach all that we do with confidence: to try the new and to seek the unexpected. You're extraordinary: We are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – we champion a culture of people that do extraordinary work Scale and opportunity – we offer the opportunity to create, influence and deliver projects at a scale that is unparalleled in the industry. Challenging and stimulating work – unique work and the opportunity to join a group of creative problem solvers. #LI-Hybrid We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. We are seeking an exceptional Senior Data Scientist to join our highly skilled team in Warsaw. You will play a pivotal role in developing a state-of-the-art system that leverages Bayesian statistics and advanced theoretical concepts to estimate and understand the size of marketing and advertising audiences. You will thrive in a fast-paced, dynamic environment where objectives evolve rapidly and complex, abstract problems are the norm. If you are passionate about tackling challenging statistical and mathematical problems, and enjoy working collaboratively with other experts, we want to hear from you. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Warsaw, Poland or be willing to relocate independently to Warsaw, as relocation support is not provided for this position. What you'll be doing: Develop and implement Bayesian statistical models and other advanced analytical methods to estimate audience sizes and characteristics. Collaborate closely with a multidisciplinary team to design, build, and refine data-driven solutions. Write high-quality, production-ready Python code including package development, unit testing, and documentation. Work independently to solve complex mathematical and conceptual problems with minimal supervision. Engage in productive, abstract discussions with team members to untangle nuanced issues and arrive at robust solutions. Contribute to code repositories using Git and participate in code reviews and version control best practices. Utilise cloud computing resources for scalable data processing and model deployment. Handle diverse data formats and ensure data integrity throughout the analytics pipeline. Adapt quickly to changing project requirements and priorities. What you'll need: Postgraduate-level knowledge in probability and statistics, with a strong foundation in Bayesian methods. Advanced Python programming skills , including experience with building packages, unit testing, and handling multiple data formats. Demonstrated ability to solve complex mathematical and statistical problems. Resilience and confidence in facing difficult, open-ended challenges. Adaptability to dynamic, fast-changing environments, ideally with experience in startup-like or high-pressure settings. Ability to work independently and creatively, finding solutions to novel problems with minimal supervision. Excellent communication and collaboration skills, especially in discussing and resolving abstract or conceptual issues. Familiarity with Git and repository management. Experience with cloud computing platforms (e.g., AWS, GCP, Azure). What you can expect: The opportunity to work on cutting-edge analytics projects with global impact. A collaborative, intellectually stimulating environment with leading experts. Flexible, fast-moving work culture similar to a startup, within the stability of a global organization. Competitive salary and benefits package. Access to world-class resources and professional development opportunities. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The gross salary for this position at the time of this posting is indicated below. This range reflects our broader group’s compensation framework across diverse agencies and disciplines. For this specific role, our offer will be determined within this range based on our internal benchmark, reflecting the specific market conditions for our discipline. Individual compensation varies based on job-related factors, including business needs, experience, level of responsibility and qualifications. In addition to the salary range provided, we offer a comprehensive benefits package designed to support our employees' well-being and professional growth. While specific details may vary by agency, typical benefits often include: private medical care, professional development opportunities, training programmes and flexible working arrangements (where applicable). Some agencies may offer additional benefits . . 11 542 zł — 25 000 zł PLN We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. About Open Intelligence : We are the Activation arm of WPP Open Intelligence. Our team builds the foundational data infrastructure and high-performance edge services that power WPP’s position in the market. With approximately one-third of all global media spend flowing through WPP, our platform operates at the core of this massive network—deeply integrated and adopted by the largest supply-side partners in the AdTech industry. Operating at our scale presents unique engineering challenges. Our edge services currently handle over 60,000 classification requests per second, while our contextual classification pipelines process 10,000 requests per second. With operations spanning the US, UK, and ongoing expansion into EMEA and APAC, our infrastructure continuously interacts with up to 98% of the population in our active markets. We are an engineering-led team focused on building robust, scalable, and highly reliable systems. Why we're hiring: We are at a critical inflection point in our growth and need to scale our engineering team to tackle an expanding set of complex challenges. As the digital ecosystem evolves, we are actively developing and releasing a new catalog of privacy-preserving data products. These solutions are designed to scale advanced targeting capabilities while remaining uncompromising on our promise to protect user privacy. To support this product evolution, our infrastructure is undergoing massive global expansion. By the end of this year, we will be fully operational across the rest of the EMEA and APAC regions. Concurrently, we are deepening our integrations to support even more of the largest supply-side partners in the AdTech industry. We are hiring because we need strong engineering talent to help us architect for this next order of magnitude in scale—ensuring our systems remain resilient, performant, and compliant as our global footprint and feature set rapidly expand. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Poland or be willing to relocate independently to Warsaw, as relocation support is not provided for this position. Who we are looking for: We’re looking for a Senior Data Engineer who is passionate about building scalable, reliable, and efficient data platforms that power impactful products and insights across the Open Intelligence ecosystem. You’ll bring strong technical expertise in modern data engineering practices, along with a collaborative mindset and a focus on quality, performance, and continuous improvement. The ideal candidate is comfortable working with large-scale datasets, distributed systems, and cloud-native data technologies, and enjoys solving complex engineering challenges in a fast-paced environment. You’ll work closely with platform, product, analytics, and engineering teams to design and deliver robust data solutions that support innovation, operational excellence, and data-driven decision making at scale. What you'll be doing: Design, build, and maintain scalable data pipelines and processing frameworks across the Open Intelligence platform Develop reliable and efficient ETL/ELT workflows to support analytics, product, and operational use cases Build and optimize data models, storage solutions, and data integration processes for large-scale datasets Partner closely with software engineering, analytics, product, and platform teams to deliver high-quality data solutions Improve data quality, observability, reliability, and performance across data systems and pipelines Support real-time and batch data processing workflows using modern cloud-native technologies Contribute to the design and evolution of data platform architecture, standards, and engineering best practices Implement monitoring, testing, and automation to improve operational efficiency and reduce data pipeline failures Troubleshoot and resolve complex data and infrastructure issues across distributed systems Help drive governance, security, and compliance best practices across data environments Mentor junior engineers and contribute to a strong engineering culture focused on collaboration, learning, and continuous improvement Evaluate and introduce new tools, frameworks, and technologies to improve scalability, developer experience, and platform capability What you'll need: Strong communication skills, you can effectively explain technical concepts to various audiences. 4+ years of experience in data engineering. Solid experience with data wrangling in a language such as Python, Go, or Scala. Proficiency in large scale processing engines and related ecosystems (Spark) Experience working with CI/CD, version control, and testing best practices. Experience with GCP platform. Experience working with infrastructure as code tools like Terraform. Experience with containerization management tools like Kubernetes. A passion for data, technology, and computer languages. Interest in leveraging AI coding assistants and prompt engineering to enhance productivity. Nice to have: If you are ready to be at the forefront of the AdTech industry, shaping its future, and driving success for both our clients, we encourage you to apply and join our team. We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The gross salary for this position at the time of this posting is indicated below. This range reflects our broader group’s compensation framework across diverse agencies and disciplines. For this specific role, our offer will be determined within this range based on our internal benchmark, reflecting the specific market conditions for our discipline. Individual compensation varies based on job-related factors, including business needs, experience, level of responsibility and qualifications. In addition to the salary range provided, we offer a comprehensive benefits package designed to support our employees' well-being and professional growth. While specific details may vary by agency, typical benefits often include: private medical care, professional development opportunities, training programmes and flexible working arrangements (where applicable). Some agencies may offer additional benefits . . 8 500 zł — 17 042 zł PLN We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. Why we're hiring: WPP’s Data & Technology Solutions is the WPP’s unified global data products and technology team. We work with our agencies and clients to build data data-driven solutions and technology product to power marketing transformation. WPP Open is our AI platform for marketing, it connects marketing professionals, data, tools and AI in a single place. WPP Open is the simplest, safest and fastest way to realize the benefits of scaled AI – delivering better-informed creative ideas faster, at scale and at lower cost. We’re endlessly curious and our team of thinkers, builders, creators and problem solvers are over 2,000 strong, across 20 markets around the world. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Poland or be willing to relocate independently to Warsaw, as relocation support is not provided for this position. Who we are looking for: We are seeking a talented and experienced Backend Engineer to join our Data & Technology Solutions team. You will be instrumental in designing, developing, and maintaining the robust and scalable backend systems that power our cutting-edge marketing technologies, including the WPP Open AI platform. If you have a passion for building high-performance APIs, working with large datasets, and contributing to the future of AdTech, we want to hear from you. What you'll be doing: Design and Develop Robust Backend Systems Design, develop, and implement high-performance, scalable, and resilient backend services and APIs (REST, gRPC) that support our various data products and AI platforms. Write clean, maintainable, and efficient code in [e.g., Python (mandatory)] using best practices and appropriate design patterns. Collaborate with architects and senior engineers to define system architecture, data models, and integration strategies. Integrate with internal and external data sources, AI/ML services, and third-party APIs relevant to the AdTech ecosystem. Ensure Scalability, Reliability, and Performance Optimize existing backend services for maximum speed, scalability, and stability, handling large volumes of data and traffic inherent in the AdTech domain. Implement robust monitoring, logging, and alerting solutions to proactively identify and address system issues. Participate in performance tuning, troubleshooting, and debugging of complex backend systems. Contribute to the continuous improvement of our deployment processes, CI/CD pipelines, and cloud infrastructure interactions. Uphold Code Quality and Best Practices Conduct thorough code reviews, ensuring adherence to coding standards, security best practices, and architectural guidelines. Develop comprehensive unit, integration, and end-to-end tests to guarantee the quality and reliability of backend components. Contribute to technical documentation, including API specifications, architectural diagrams, and system runbooks. Actively participate in the agile development process, including sprint planning, daily stand-ups, and retrospectives Who you are: A proficient backend developer with a strong understanding of software architecture, design patterns, and distributed systems. Solution-oriented, capable of translating complex business requirements into technical designs and scalable implementations. Passionate about code quality, testing, and maintaining secure, reliable, and performant applications. A collaborative team player, eager to work alongside fellow engineers, data scientists, and product owners. Continuously learning, staying current with the latest backend technologies and best practices to drive innovation. What you'll need: 3+ years of professional experience in backend software development. Strong proficiency in Python Extensive experience designing and building RESTful APIs. Solid understanding of database systems, both relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., Neo4j, MongoDB). Experience with cloud platforms GCP and developing cloud-native applications. Familiarity with containerization technologies (Docker) and orchestration (Kubernetes). Knowledge of message queues/event streaming platforms (e.g., Kafka, RabbitMQ, SQS/SNS) is highly desirable. Experience with microservices architecture and distributed system design. Proficiency with version control systems, particularly Git. Strong problem-solving skills, analytical thinking, and attention to detail. Excellent communication and collaboration skills to work effectively within cross-functional teams. Bachelor’s degree in computer science, Engineering, or a related technical field, or equivalent practical experience. You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The gross salary for this position at the time of this posting is indicated below. This range reflects our broader group’s compensation framework across diverse agencies and disciplines. For this specific role, our offer will be determined within this range based on our internal benchmark, reflecting the specific market conditions for our discipline. Individual compensation varies based on job-related factors, including business needs, experience, level of responsibility and qualifications. In addition to the salary range provided, we offer a comprehensive benefits package designed to support our employees' well-being and professional growth. While specific details may vary by agency, typical benefits often include: private medical care, professional development opportunities, training programmes and flexible working arrangements (where applicable). Some agencies may offer additional benefits . . 6 333 zł — 12 500 zł PLN We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. About Open Intelligence : We are the Activation arm of WPP Open Intelligence. Our team builds the foundational data infrastructure and high-performance edge services that power WPP’s position in the market. With approximately one-third of all global media spend flowing through WPP, our platform operates at the core of this massive network—deeply integrated and adopted by the largest supply-side partners in the AdTech industry.Operating at our scale presents unique engineering challenges. Our edge services currently handle over 60,000 classification requests per second, while our contextual classification pipelines process 10,000 requests per second. With operations spanning the US, UK, and ongoing expansion into EMEA and APAC, our infrastructure continuously interacts with up to 98% of the population in our active markets. We are an engineering-led team focused on building robust, scalable, and highly reliable systems. Why we're hiring: We are at a critical inflection point in our growth and need to scale our engineering team to tackle an expanding set of complex challenges. As the digital ecosystem evolves, we are actively developing and releasing a new catalog of privacy-preserving data products. These solutions are designed to scale advanced targeting capabilities while remaining uncompromising on our promise to protect user privacy. To support this product evolution, our infrastructure is undergoing massive global expansion. By the end of this year, we will be fully operational across the rest of the EMEA and APAC regions. Concurrently, we are deepening our integrations to support even more of the largest supply-side partners in the AdTech industry. We are hiring because we need strong engineering talent to help us architect for this next order of magnitude in scale—ensuring our systems remain resilient, performant, and compliant as our global footprint and feature set rapidly expand. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Poland or be willing to relocate independently to Warsaw, as relocation support is not provided for this position. Who we are looking for: We are looking for a Data Engineer who is passionate about solving complex data processing challenges in a high-scale environment. You prioritize strong software engineering fundamentals, algorithm design, and scalable data architecture over strict adherence to any specific framework. You are comfortable designing, building, and maintaining systems that manage immense volumes of data. While your foundation in data processing is most important, you are likely highly proficient in languages like Python, Go, or Scala, and familiar with large-scale distributed processing engines (like Spark) and containerized deployment (like Kubernetes). You value modern operational practices—from infrastructure as code (Terraform) and robust CI/CD, to leveraging AI coding assistants to enhance your daily productivity. Beyond your technical capabilities, you are a strong communicator who can distill complex technical concepts for various stakeholders. You take ownership of the reliability of your pipelines and are motivated by the challenge of operating and evolving a global scale infrastructure. What you'll be doing: Discuss & propose technical solutions, develop & review code following best practices and patterns. Collaborate with both our Product organization and analysts and data scientists in Open Intelligence to add new features or changes to existing ones and translate those requirements into reliable, production-level components. Contribute to designing and building strong data governance and quality frameworks to ensure data production is accurate and work consistently throughout its lifetime. Contribute to identifying and addressing technical debt and inefficiencies within our data platform. Stay curious and proactive, explore new tools, techniques, and technologies that can help us move faster and smarter. Be happy to share knowledge in dedicated sessions and stand-ups. What you'll need: Strong communication skills, you can effectively explain technical concepts to various audiences. 2+ years of experience in data engineering. Solid experience with data wrangling in a language such as Python, Go or Scala. Proficiency in large scale processing engines and related ecosystems (Spark) Experience working with CI/CD, version control, and testing best practices. Experience with GCP platform. Experience working with infrastructure as code tools like Terraform. Experience with containerization management tools like Kubernetes. A passion for data, technology, and computer languages. Interest in leveraging AI coding assistants and prompt engineering to enhance productivity. Nice to have: Familiarity with AdTech- and/or MarTech data and terminology. Experience with monorepo codebase. Experience with data privacy engineering technologies and best practices in handling sensitive data. If you are ready to be at the forefront of the AdTech industry, shaping its future, and driving success for both our clients, we encourage you to apply and join our team. We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid The gross salary for this position at the time of this posting is indicated below. This range reflects our broader group’s compensation framework across diverse agencies and disciplines. For this specific role, our offer will be determined within this range based on our internal benchmark, reflecting the specific market conditions for our discipline. Individual compensation varies based on job-related factors, including business needs, experience, level of responsibility and qualifications. In addition to the salary range provided, we offer a comprehensive benefits package designed to support our employees' well-being and professional growth. While specific details may vary by agency, typical benefits often include: private medical care, professional development opportunities, training programmes and flexible working arrangements (where applicable). Some agencies may offer additional benefits . . 11 542 zł — 25 000 zł PLN We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: We are expanding our data science capability to develop a state-of-the-art system for estimating and understanding the size and characteristics of marketing and advertising audiences. This role offers the opportunity to apply Bayesian statistics, advanced mathematical thinking and production-quality engineering to complex problems with meaningful industry impact. What You’ll Be Doing Develop and implement Bayesian statistical models and other advanced analytical methods to estimate audience sizes and characteristics. Translate complex mathematical and statistical questions into robust, explainable data-driven solutions. Build and maintain production-ready Python packages, including unit tests and clear technical documentation. Collaborate with data scientists, engineers and other specialists to design, build and refine analytical solutions. Work with diverse data formats and help maintain data quality and integrity throughout the analytics pipeline. Use cloud computing resources to support scalable data processing and model deployment. Contribute to Git repositories, code reviews and sound version-control practices while adapting to evolving priorities. Who You’ll Be Working With You’ll join a multidisciplinary team working on challenging statistical, mathematical and conceptual problems. The team values rigorous thinking, open discussion, knowledge sharing and practical solutions. You’ll collaborate closely with colleagues who bring different technical perspectives and areas of expertise, contributing to an environment where ideas are tested constructively and improved together. What You’ll Bring Advanced knowledge of probability and statistics, including a strong foundation in Bayesian methods, gained through postgraduate study or equivalent professional experience. Advanced Python programming skills, including package development, unit testing and working with multiple data formats. Demonstrated ability to solve complex mathematical, statistical or conceptual problems. Experience using Git, repositories and collaborative code-review practices. Experience with a cloud computing platform such as AWS, GCP or Azure. The ability to communicate technical concepts clearly and collaborate effectively with colleagues from different disciplines. A thoughtful, structured approach to exploring unfamiliar problems and evaluating potential solutions. Who you are: You're open : We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working. You're optimistic : We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected. You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day. What we'll give you: Passionate, inspired people – We aim to create a culture in which people can do extraordinary work. Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry. Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge? #LI-Hybrid We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we’ve adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process. WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers. Please read our Privacy Notice ( https://www.wpp.com/en/careers/wpp-privacy-policy-for-recruitment ) for more information on how we process the information you provide.