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Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are actively seeking a Senior DevOps Engineer to join our Product Engineering Core DevOps team. At Five9, we work in small teams and move fast to drive our products and business to the next level. We look for crucial skills in team members such as a problem-solving mindset and intellectual curiosity, along with comfortable integration into a deeply collaborative system that rewards impact. Key Responsibilities: Design, implementation, and automation of large-scale distributed systems. Build tools and automation that help Five9 achieve higher availability, scalability, latency, and efficiency. Work with Engineering teams to deliver high-quality software in a fast-paced environment. Monitor production and development environments to build preventive measures and provide a seamless customer experience. Work with delivery teams on software improvements to achieve higher availability and lower MTTD. Participate in on-call rotation (8h shift, 7days a week, every 3-4 weeks). Key Requirements: 7+ years of public cloud experience (GCP or AWS). 7+ years of private cloud experience (Openstack, VMware ESXi). 7+ years of Linux experience (Centos/Ubuntu). 7+ years of networking experience. Orchestration and management of containers using Kubernetes, Helm, GKE and Docker. Experience with Gitlab, ArgoCD, CI/CD methodologies & tools. Experience with Infrastructure as Code (Terraform), Python or other scripting languages. Experience with Ansible config management tool. Experience with Prometheus/Loki/Alertmanager/Grafana observability tools. Excellent problem solving and analytical skills. Experience with Incident Management Process, SRE best practices and continuous improvements. Experience designing large scale distributed systems. Familiar with DevOps/DevSecOps methodologies and best practices. Strong verbal and written communications skills. Bachelor's of Science degree in Computer Science or equivalent experience. Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Team Overview The Core Applications team takes pride in providing exceptional support and innovative solutions for a diverse range of essential applications and tools, including Agent Desktop Plus, Supervisor Plus, Admin Console, iPad Supervisor, Freedom Application Platform, Internal Admin (Shell), Agent Assist UI, Nimbus, and Unified Portal / Login. We have a passion for excellence. Our dedicated team is committed to optimizing user experiences, streamlining workflows, and enhancing productivity across the board. Whether empowering agents with intuitive interfaces, empowering supervisors with powerful management tools, or enabling seamless access to critical applications via multiple platforms, we strive to deliver with utmost efficiency and customer satisfaction. Our mission is to shape the future of Five9, where innovation and collaboration go hand in hand as we strive to build a world-class ecosystem of integrated solutions that cater to the ever-evolving needs of our valued users. Role Overview The Core Applications team is doing greenfield work, introducing new concepts and capabilities to our suite of UI products on a modern React + TypeScript stack. As a Software Engineer, you'll build features and take ownership of well-scoped work end-to-end. You'll collaborate closely with engineers across a distributed team spanning Australia, India, and the US. AI tools are a core part of how we work every day. Key Responsibilities Build and ship features on the new agent desktop in React + TypeScript + Nx, using AI coding agents as part of the daily workflow Take ownership of well-scoped work end-to-end, from implementation to testing to deployment Participate in code reviews and contribute to the shared quality bar Collaborate async-first with engineering, product, and design across distributed time zones Contribute to async planning via Jira, written documentation, and Slack Qualifications & Skills Strong React and TypeScript proficiency; experience with other modern frameworks (Vue, Angular, Svelte) is a good signal Testing experience with Jest and/or Playwright, with an understanding of the value of thorough test coverage Able to operate autonomously on a small, fast-paced team; fills gaps and makes reasonable calls without constant direction Strong written communication and collaboration skills for a remote, async-first, distributed environment Prior experience using AI coding tools and a genuine willingness to evolve those skills as the space changes Bachelor's degree (or equivalent) in a relevant discipline Preferred Skills Prior experience in CCaaS, agent desktop, or UI platform roles Familiarity with TanStack Query and Zustand Web accessibility knowledge; familiarity with WCAG standards and building accessible UIs Monorepo and micro-frontend architecture experience; Nx preferred, but PNPM, Lerna, and other tools are good signals Experience with WebSockets or real-time application development Other Requirements Working shift must be aligned to overlap with Pacific working hours This position requires the ability to be On Call Key Relationships There are no direct reports to this role. Key stakeholders include: Service owners and their teams Technical leadership and senior management, including VPs Engineering teams Network and Telecom teams Customer service teams Compliance and infosec teams This is not a customer-facing role. This role is hybrid and requires 3 days a week in office . Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Role Overview We're looking for a talented Frontend Engineer who leads with UI but isn't afraid to go deep. You thrive in a fast moving environment, ship polished interfaces with TypeScript and React and embrace AI-assisted development as a core part of your workflow. This role is front-end-first, but the expectation is that you'll grow into full stack ownership over time. How You Contribute Design and build responsive, performant UIs using React, TanStack, Zustand, TypeScript and/or JavaScript Collaborate on feature development end-to-end, gradually taking on backend work as you grow Use GitLab for version control, CI/CD pipelines, merge request workflows, and issue tracking Deploy and manage workloads on Google Cloud Platform CDN , working alongside with services like GKE, and Cloud Storage Leverage AI-assisted (vibe coding) tools to accelerate development — you're comfortable using Copilot, Cursor, Claude, or similar tools as a force multiplier Write clean, maintainable code with strong typing and component reuse in mind Partner closely with designers and product to translate specs into real, shippable experiences Participate in code reviews, retrospectives, and architectural discussions Required Skills and Qualifications 5+ years of + post-internship experience with React and TypeScript. Solid JavaScript/ TypeScript, HTML, CSS Knowledge of UI Component Libraries, Web Accessibility, Internationalization Ability to work with test libraries (Jest, Playwright) Proficient in React, TanStack, Zustand Engineering focus Overall system knowledge Working knowledge of Jira, GitLab, Visual Studio, CI/CD Proficient in Google Cloud Platform, Kubernetes, BigQuery, Cloud SQL, CDN Ability to use Claude Code Desirable Qualifications AI Tools Micro Front End Architecture Java/ Springboot Database SQL/ NoSQL Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. This role is hybrid and requires 3 days a week in office . Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. About the Job We are building a Customer Data Platform (CDP) designed to unlock the full potential of customer experience (CX) across our products and services. This role offers the opportunity to design and scale a platform that unifies customer data from multiple sources, ensures data quality and governance, and provides a single source of truth for analytics, personalization, and engagement. As a key member of the data engineering team, you will architect and implement the pipelines, storage layers, and integrations that power our CDP. You’ll work with product, data science, and engineering stakeholders to deliver a robust platform that supports real-time decision-making, personalization at scale, and actionable customer insights. This is a high-impact, hands-on engineering role where you’ll shape the data foundation that directly influences how we understand and serve our customers. What You Will Be Doing Design and implement Five9’s Customer Data Platform solutions and enable production use cases for customers Design and develop highly scalable and resilient services for ingesting large-scale datasets Demonstrate strong ownership by ensuring operational excellence with a sharp focus on monitoring, observability, and system reliability Develop and orchestrate ETL/ELT pipelines using Apache Airflow Collaborate with cross-functional partners and lead technical initiatives independently end-to-end Design, build, and optimize distributed query engines such as Apache Spark or Snowflake to support complex data workloads Write, review, or provide feedback on technical design proposals from others Skills Minimum 5 years of software/data engineering and data platform experience Extensive experience with data transformation and modeling, including advanced features and best practices Deep knowledge of Snowflake for data warehousing, including optimization, security, and cost management Good understanding of data streaming technologies such as Kafka/Kafka Connect Strong knowledge of highly scalable distributed systems, microservices, REST APIs Strong proficiency in object-oriented and/or functional programming languages such as Java, .NET, Python, and SQL for data processing, transformation, and pipeline development Knowledge of Apache Airflow for workflow orchestration is nice to have Understanding of containerization and Kubernetes concepts Experience with the AWS cloud platform and infrastructure-as-code practices Maintain high standards of code quality with a keen eye for test automation and operational excellence Track record of delivering scalable data engineering solutions that support analytics, machine learning, and operational use cases Excellent written and verbal communication and interpersonal skills Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent training, fellowship, or work experience This role is hybrid and requires 3 days a week in office . Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are actively seeking a Senior DevOps Engineer to join our Product Engineering Core DevOps team. At Five9, we work in small teams and move fast to drive our products and business to the next level. We look for crucial skills in team members such as a problem-solving mindset and intellectual curiosity, along with comfortable integration into a deeply collaborative system that rewards impact. Key Responsibilities: Design, implementation, and automation of large-scale distributed systems. Build tools and automation that help Five9 achieve higher availability, scalability, latency, and efficiency. Work with Engineering teams to deliver high-quality software in a fast-paced environment. Monitor production and development environments to build preventive measures and provide a seamless customer experience. Work with delivery teams on software improvements to achieve higher availability and lower MTTD. Participate in on-call rotation (8h shift, 7days a week, every 3-4 weeks). Key Requirements: 7+ years of public cloud experience (GCP or AWS). 7+ years of private cloud experience (Openstack, VMware ESXi). 7+ years of Linux experience (Centos/Ubuntu). 7+ years of networking experience. Orchestration and management of containers using Kubernetes, Helm, GKE and Docker. Experience with Gitlab, ArgoCD, CI/CD methodologies & tools. Experience with Infrastructure as Code (Terraform), Python or other scripting languages. Experience with Ansible config management tool. Experience with Prometheus/Loki/Alertmanager/Grafana observability tools. Excellent problem solving and analytical skills. Experience with Incident Management Process, SRE best practices and continuous improvements. Experience designing large scale distributed systems. Familiar with DevOps/DevSecOps methodologies and best practices. Strong verbal and written communications skills. Bachelor's of Science degree in Computer Science or equivalent experience. Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values every day results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Our Global Voice Team is looking for a committed, experienced Software Engineer II who is passionate about creating high-performing, scalable, and resilient mission-critical services that form the foundation of Five9’s next-generation contact center platform. You will have the opportunity to combine your existing expertise with new learnings, crafting bespoke solutions that serve our customers and partners. Responsibilities: Participate in an Agile Scrum team that practices DevOps. Write clean, well-documented code and corresponding tests. Deliver your code as part of an overall solution running in the public cloud. Develop and enhance our Media Server to support real-time integrations with Large Language Models (LLMs) and other AI services. Required Skills: 3+ years of professional experience in software development, including experience in C and/or C++. Hands-on experience developing software for real-time communications signaling and media protocols (e.g., SIP, RTP). Ability to methodically troubleshoot complex systems. Excellent communication and organizational skills, with a strong sense of ownership. Technical Skills: Modern C++ (C++17+) RTP/SIP, audio codecs, SIP/SDP ASR/TTS integration AI APIs Cloud platforms (AWS, Azure, GCP) CI/CD Containers Site Reliability Engineering (SRE) principles AI/ML and Large Language Models (LLMs) This role is hybrid and requires 3 days a week in office . Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values every day results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Our Global Voice Team is looking for a committed, experienced Software Engineer II who is passionate about creating high-performing, scalable, and resilient mission-critical services that form the foundation of Five9’s next-generation contact center platform. You will have the opportunity to combine your existing expertise with new learnings, crafting bespoke solutions that serve our customers and partners. Responsibilities: Participate in an Agile Scrum team that practices DevOps. Write clean, well-documented code and corresponding tests. Deliver your code as part of an overall solution running in the public cloud. Develop and enhance our Media Server to support real-time integrations with Large Language Models (LLMs) and other AI services. Required Skills: 3+ years of professional experience in software development, including experience in C and/or C++. Hands-on experience developing software for real-time communications signaling and media protocols (e.g., SIP, RTP). Ability to methodically troubleshoot complex systems. Excellent communication and organizational skills, with a strong sense of ownership. Technical Skills: Modern C++ (C++17+) RTP/SIP, audio codecs, SIP/SDP ASR/TTS integration AI APIs Cloud platforms (AWS, Azure, GCP) CI/CD Containers Site Reliability Engineering (SRE) principles AI/ML and Large Language Models (LLMs) This role is hybrid and requires 3 days a week in office . Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. Platform Engineer Reporting to the Supervisor of the Professional Services team, you will perform project tasks such as system configuration, training, documentation, and customer follow-up. You will handle several projects simultaneously, providing expert recommendations for Contact Center Solutions in a Technical and consultative role. Key Responsibilities: Takes the lead in requirements gathering, configuration, product training, solution testing, and production rollout. Act as a Project Engineer (PE) or as a Solution Architect (SA) when working on accounts. Whichever role type will be needed and applied to a project’s implementation will be assessed and decided upon by PS management. Build customer trust by setting expectations and ensuring their business needs align with the Five9 solution. Exchanges standard/basic information with colleagues and immediate supervisor, project leaders, and other professionals in the team and group. Technical resource for multiple internal and customer-facing projects simultaneously while needing little or no oversight and/or direction. This includes standard and advanced projects but is not limited to: Integrations with Five9 partners (Salesforce, NetSuite, Velocity, etc.) Digital Channel (Chat/Email/SMS) Complex IVR configuration APIs and Data dips (queries) Learn and get trained to implement Five9 Integrations. Considerations include (but are not limited to) the following: Integrations that require more than just screen-pops Configuration including API post/get method to 3rd party CRM, advance scripts, HTML formatting, etc. Handle escalated implementations requiring technical expertise and/or customer management needs. Key Requirements: Minimum of 3 years of experience in Professional Services Implementation and configuration experience in a Cloud computing or telephony environment Has good verbal and written communication skills (English) Has strong knowledge of hosted solutions (SaaS), VoIP, IVR, and Call Center skills/practices. Has strong knowledge of CRM and Lead Management solutions (Salesforce, Velocify, NetSuite, Zendesk) is preferred. Knowledgeable of Digital Engagement channels (Email, Chat, SMS) Preferably graduate of IT or related technical course. Key Skills: Knowledge of Five9 and VCC-specific offerings and Call Center best practices. Demonstrates Advance Technical Skills. Able to provide customers with best practices and recommendations for managing their call centers in a consultative manner. Able to learn Five9 and PS values and actively apply them to projects. Able to act as a Platform Configuration Engineer (PCE) or a Solution Architect (SA) when working on accounts. Whichever role type will be needed and applied to a project’s implementation will be assessed and decided upon by PS management. Must be a strategic thinker; able to understand the ‘Big picture”; able to think quickly and adeptly while solving complex problems. Willing to work in a permanent night shift schedule. Company Benefits Company stocks Annual merit increase based on performance 15% night shift differential pay Paid Leave with Cash Conversion HMO with free dependents Retirement Plan Life Insurance While on work from home setup: Internet and meal allowance are provided Employee Assistance Program for mental and social well-being Government-mandated Benefits (SSS, PhilHealth, PagIBIG, 13 th month pay, Solo parent leave, Special leave for women) Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.