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Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Who We Are: Shape the future of Roblox’s virtual economy. The Economy ML team is building the machine learning backbone that powers Roblox’s Marketplace, Developer Monetization, and Payments ecosystems. From intelligent pricing and personalized storefronts to dynamic layout optimization and avatar understanding, we’re reimagining how the Roblox economy drives user engagement, monetization, and creator success at scale. As a Principal Software Engineer (Data Systems) , you will architect, build and deploy high-scale, reliable real-time and batch data systems for personalization, search and recommendation across various product surfaces in Marketplace, Developer Monetization and Payments. You will be involved in key data projects from architecting event taxonomies and logging interfaces to real-time feature serving across multiple search and recommendation surfaces. What You’ll Do Act as data engineering lead for Economy ML, setting standards for batch vs streaming feature pipelines, table design, observability, and documentation used across the Economy group. Work as a hands-on contributor on our data systems to power content recommendation, search and personalization across Economy product surfaces. Partner with Product, Data Science and ML engineering counterparts to prioritize data initiatives that unlock top-line business goals and reduce tech debt in existing datasets and pipelines. Mentor other DE/ML engineers on best practices for schema design, client logging, experimentation data, and feature pipelines, raising the overall bar for data work. Collaborate with partner and platform teams across Roblox to make sure we are building products with a community first approach. Research and leverage industry-leading practices while making product impact. You Have 8+ years of experience as a product-focused data systems engineer (preferably working with search, recommendation, advertising or personalization systems). Experience designing efficient logging schemas and optimizing data processing pipelines. Experience with real-time stream processing and batch processing (using technologies such as Flink, Spark, Kafka, Druid) Familiarity with feature stores and other machine learning infrastructure. You Are A Technical Leader : You have initiated and facilitated challenging technical solutions. Your technical expertise influences product direction. You nurture a culture of technical excellence. Versatile : You're a generalist and you are comfortable with several languages and technologies already; you are adaptable in any situation. You are resourceful, and take a creative and strategic approach to solving hard problems. Analytical : Excited to investigate large, ambiguous problems, and quantify the problems and the solutions. User Oriented : You always start with the needs of the user, whether they are Roblox users or internal engineers before architecting a solution. Team Oriented : You lift up your peers and find ways to make the team stronger. Why Economy ML @ Roblox? Cross-surface impact: Your work will influence virtual item recommendations, Robux pricing, page layout, avatar generation, and more. Scalable infrastructure: Build on top of Roblox’s ML Platform and Data Infrastructure to accelerate data analysis, experimentation and rapid deployment of product ML solutions. High-leverage mission: Directly contribute to key growth levers: retention, engagement, monetization, and creator success. Flexible structure: Work in a fluid pod model, allocating effort to the most strategic initiatives without rigid silos For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $295,250 — $354,040 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Developer Relations team at Roblox is looking for a contractor to support our community growth team. This role is ideal for someone who is passionate about Roblox development and the creator community and excited to help strengthen developer skills, foster connections across the community, and encourage the creation of novel games on the platform. This is a 6-month, part-time contract position focused on supporting the planning and execution of global developer engagement initiatives. In this role, you will help organize and manage both online and in-person events that bring developers together to learn, collaborate, and grow. You will also engage directly with creators to build relationships and help identify high-potential developers creating innovative experiences on Roblox. You will: Help plan and execute global online and in-person developer events, workshops, and initiatives Support project management and logistics for developer engagement programs Build relationships with developers through community engagement and calls Identify and engage high-potential creators building innovative experiences on Roblox Support initiatives that encourage learning, collaboration, and novel game creation Stay organized across multiple projects and communicate proactively with the team Develop an understanding of Roblox development and the challenges developers may encounter on the platform. Help facilitate initiatives that encourage the creation of novel games and support developer learning. Contribute to inclusive global initiatives designed to support creators across regions and experience levels. Work 20 hours per week You have: Strong understanding of Roblox and the Roblox developer community Good standing regarding Roblox moderation history Passion for supporting and empowering creators Experience engaging or growing online communities Strong communication, collaboration, and organizational skills Experience coordinating community initiatives, events, or developer programs. You are: Organized and capable of managing multiple projects at once Collaborative and proactive in a fast-moving environment Passionate about community building and developer success Physically located within North America For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual hourly rate could fall outside of this expected range. This pay range is subject to change and may be modified in the future. Please note that not all benefits on this page are applicable to this hourly position. Hourly Pay Range $20 — $20 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Discovery UX sits at the intersection of product innovation and high-scale infrastructure. Every Roblox user starts their journey on the homepage, and every Roblox developer needs to find their correct audience. Our team works closely with product and engineering teams across Roblox to bridge this gap by improving the user journey from landing on Roblox to joining an experience. We primarily work on Home, Search, Charts, and Experience Details pages, for both the Roblox website and app. As a Principal Software Engineer , you will craft robust, extensible systems for high-traffic surfaces. While you are a frontend expert at heart, you are a versatile engineer who isn't afraid to dive into the backend or data pipelines to ship a complete feature. You will drive solutions using React and modern technologies, helping us build efficiently across devices. If you have a deep understanding of frontend architecture and a genuine curiosity for diving into data to understand "the why" behind an experiment, you will be right at home with us. This role reports to the Engineering Manager on the Discovery UX team. You Will: Design, build, and ship features that define the discovery journey for millions of users. Architect universal solutions for delivering high-performance features across a range of platforms and devices Influence our core client-server orchestration and how we deploy and render code dynamically across the global Roblox ecosystem Drive UX improvements through rigorous A/B testing and deep-dive analysis of experiment results Collaborate with teams across Roblox to ensure a coherent user experience and technical designs that are scalable for long-term success You Have: 8+ years of experience in software development 8+ years of experience with web or app technologies (React, Typescript, Javascript) Proven track record building and launching complex, consumer-facing features Degree or equivalent experience in Computer Science, Applied Math, Physics, Engineering, Statistics, or other technical field is a plus You Are: Passionate about users : You are sensitive to the needs of our users and strive to build the best possible experience for our community Versatile : You possess a full-stack mindset and the flexibility to navigate other areas like backend or data infrastructure as needed to achieve project goals Analytical: You tackle large, ambiguous problems systematically and thoroughly, ensuring solutions are robust and well-considered Data-Curious: You are driven to understand the results of your work, diving into data to uncover hidden insights Innovative : You craft creative long-term solutions and stay in touch with industry developments; Team-oriented : You respect the ideas of others and are comfortable advocating for the right technical path. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $295,250 — $345,040 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY SAFETY? At Roblox, we strive to connect a billion people with optimism and civility, and the Safety organization’s mission is to become the leader in civil immersive online communities. We systematically detect, remove, and prevent problematic accounts, content and behavior, and we make Roblox accounts secure and free from compromise. We cover a broad area of the tech spectrum, including machine learning, classifiers for 3D models, experimentation, automation, detection workflows, and AI-powered text filters. Aligned and partnering with product teams, we use this toolbelt to discover new opportunities, influence and shape the product roadmap and prioritization, build safety products, and measure the impact on our community of users and developers. In doing so, we keep Roblox safe, civil, and inclusive, and we foster positive relationships between people around the world. WHY ALT DEFENSE? Safety and Civility is Roblox’s #1 priority. The Alt Defense pod is at the front lines of this mission, tasked with solving one of the most difficult adversarial problems on the platform: Alternate Account Detection and Prevention. When bad actors are removed from Roblox, they often attempt to return immediately with new identities. Our goal is to stop them in their tracks. As the Technical Lead for this pod, you will architect and build an industry-leading detection system that operates at a massive scale—processing billions of accounts and identifying recidivism within minutes. You will also be supporting additional use cases for alt detection across the company. You will report to the Senior Engineering Manager of the Account Identity Team. You will: Lead the technical vision for alternate account detection platform, moving from reactive measures to proactive, near real-time prevention. Architect high-scale ML systems using Graph Neural Networks (GNNs) and advanced clustering techniques to map relationships across billions of entities. Solve complex ground truth and training data challenges for adversarial usecases Build for latency and scale, ensuring that detection happens within minutes of a bad actor’s attempt to rejoin the platform. Develop innovative adversarial approaches to stay ahead of sophisticated actors who use evolving techniques to mask their identity. Drive the ML roadmap, identifying opportunities to leverage big data and behavioral signals to improve precision and recall in a high-stakes environment. Mentor and up-level a pod of high-performing ML and software engineers, fostering a culture of technical excellence and rapid iteration. You have: MS or PhD degree in Computer Science, Machine Learning, or a related field. 10+ years of industry experience in Applied ML, with a significant focus on anti-abuse, fraud, integrity, or identity. Expertise in Graph Learning: Deep experience with Large-scale GNNs (GraphSAGE, PGB, etc.) and unsupervised/semi-supervised clustering at the scale of billions of nodes. Proven track record of leading complex technical projects from conception to production-level deployment. Experience with high-throughput systems: You understand the nuances of deploying ML models in low-latency environments where "time-to-detect" is a critical KPI. Adversarial mindset: You can think like a bad actor to anticipate how they will circumvent detection and build robust defenses against it. You are: Resourceful: You're adaptable in any situation and can always find a path forward in the face of evolving threats. Analytical: Excited to investigate large, ambiguous datasets to find the "signal in the noise" of billions of accounts. User Oriented: You understand that safety measures must be balanced with a seamless experience for our legitimate community members. Team Oriented: You are a sought-after mentor who lifts up your peers and builds a collaborative, high-performance environment. Mission Oriented: You are laser-focused on keeping Roblox safe and are willing to take bold, strategic risks to achieve a billion-user scale safely. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $328,610 — $399,420 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. What You’ll Do: As an Engineering Manager for Payments - Subscriptions, you will direct the strategy and implementation for Roblox’s suite of subscription offerings. In this critical role, you will directly influence key business metrics and help define how our most dedicated global users engage with our platform. You will be working directly with a number of cross-functional partners from Product, Design, Data Science teams, influencing our business and annual recurring revenue growth direction. Your team will own mission-critical systems across key areas, including: Subscription Value Proposition: Collaborating with Product to define the roadmap for subscriptions on Roblox, building innovative features, and partnering across teams to deliver maximum value to our subscriber community. Subscription Billing: Leading full lifecycle management and feature execution for recurring billing, delivering a seamless purchasing, upgrade, and subscription management experience across all platforms. Subscribers Growth & Retention: Executing key initiatives to expand the subscriber user base while strengthening long-term user retention. Operational Observability: Developing comprehensive telemetry, monitoring, and dashboards to surface real-time insights into system health, success metrics, latency, and operational performance across all channels. You will: Manage Team Execution & Delivery: Oversee the daily execution of the engineering roadmap, ensuring the team efficiently delivers high-quality, reliable code on time. Drive Operational Excellence & Health: Maintain the 24/7 health and stability of mission-critical payment systems, leading on-call rotations, incident response, and driving post-mortem analysis to continuously improve system reliability and reduce transaction errors. Lead Technical Design & Code Review: Provide hands-on guidance on complex technical designs, architecture proposals, and perform thorough code reviews to maintain high standards for security, performance, and scalability across the payments stack. Ensure Cross-Functional Collaboration: Act as the primary engineering liaison, collaborating closely with Product Management, Design, Risk, Legal/Compliance teams to align on requirements, prioritize features, and ensure regulatory adherence. Define Architectural Strategy: Set the long-term technical vision and architectural roadmap for the team and underlying services to support millions of subscribers globally. Grow and cultivate an Impactful Team: Attract, hire, mentor, and coach top-tier software engineers, fostering a culture of ownership, engineering excellence, and continuous learning within the Subscriptions Pod. You have: Leadership and Tech Experience: 8+ years of hands-on experience in software development, with a focus on building and operating highly scalable distributed systems . 2+ years of direct experience managing and mentoring high-performing engineering teams. Demonstrated ability to define and drive technical vision and roadmap for mission-critical, high-volume services. A strong track record of recruiting, developing, and retaining exceptional engineering talent. Excellent communication skills, capable of articulating complex technical trade-offs and project status to technical peers, product managers, and executive leadership. Familiarity with billing products and payments processing. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $295,250 — $345,040 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Principal Machine Learning Engineer within the Creator Services Machine Intelligence team, you will focus on the research and development of Embodied AI and Behavioral Agents that revolutionize how games are created and played on Roblox. You will bridge the gap between cutting-edge research and massive-scale product application, building agents capable of complex 3D gameplay and unblocking many use cases across Roblox, from automated playtesting to ensure quality, to "ML Players" with human-like movement and strategic reasoning, playing with real players in games. You will work on feature extraction, model training, building validation / RL platform as well as inference set up leveraging methods from imitation learning to reinforcement learning. And you will create generalizable agents that can perceive 3D environments, understand game rules, plan long-term strategies, and execute complex physics-based actions in real-time. You Will: Design and implement foundation models end to end through the feature extraction to inference for embodied agents. Define the long-term roadmap for Game AI and Embodied Intelligence, acting as a technical bar-raiser for code quality and architectural design. Balance the exploration of cutting-edge deep learning research with the practical constraints of serving models to millions of concurrent users. Mentor fellow engineers and researchers, fostering a culture of technical excellence and scientific inquiry. Collaborate with Product Managers, Backend and Game Engine Engineers and other Roblox team members. You Have: PhD or Master’s in Computer Science, Applied Math, or other field. A record of top-tier publications (e.g., NeurIPS, ICML, CVPR, AAAI, SIGGRAPH, etc) in embodied agents or related domains is a plus. 7+ years of experience as a Machine Learning Engineer or Research Scientist, applying research to tangible products. Deep technical understanding of Imitation Learning, Robotics, Reinforcement Learning, Computer Graphics and Vision, with experience working on low-latency motor control (human-like movement) and high-level strategic reasoning (game rules/goals). Experience with building large scale data/feature pipeline, simulation environments for evaluation / RL. Experience training models on large-scale distributed clusters and understanding the challenges of inference in real-time gaming environments. Proficiency in Python (PyTorch/TensorFlow) and familiarity with C#, C++, or similar systems languages. A passion for bridging the gap between research and production, moving beyond academic benchmarks to launch scalable solutions that directly impact millions of users. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $345,040 — $399,420 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. At Roblox , we’re building the tools and platform that empower a global community of creators and developers to build immersive experiences and a dynamic virtual economy. Our Economy ML team sits at the heart of this mission, delivering scalable machine learning systems that power personalization, pricing, search, and content understanding across all Economy surfaces: Marketplace, Developer Monetization, Payments, and Avatar. We’re looking for a Distinguished Engineer/Technical Director to lead the strategy and technical direction for ML systems , with a focus on large-scale recommendations, infrastructure, and emerging Generative AI applications. You’ll help build the systems that support retrieval, ranking, generative modeling, and LLM-powered personalization, all at massive scale. This role requires deep systems thinking, hands-on ML expertise, and a vision for how traditional ML and GenAI come together to power the future of the Roblox economy. Why Roblox for ML Systems AI/ML is a top company priority , with long-term investment. Real-world scale : Power millions of daily economic interactions across ranking, pricing, fraud, and search. Full-system ownership : Build and optimize end-to-end ML pipelines; from data ingestion to GPU training to live inference. Complex surfaces, rich signals : Design systems for 3D content, UGC, avatar metadata, behavioral and economic signals, not just text or images. Impact meets innovation : Shape the future of the Roblox economy while working on frontier ML infra and GenAI workflows. You will: Set the technical direction for ML systems powering core economy experiences: personalization, ranking, generative modeling, and more Build and evolve infrastructure for training, serving, and evaluating both traditional ML models and Generative AI models (e.g., embedding-based retrieval, transformers, LLM-based workflows) Partner with GenAI teams to explore multi-modal embeddings, avatar generation, and retrieval-augmented generation (RAG) in economic surfaces Lead efforts to optimize ML system performance: low-latency serving, efficient GPU training, and cost-aware inference strategies Guide the development of robust ML pipelines, online feature stores, and experimentation platforms that support both predictive and generative use cases Collaborate with EMs, tech leads, and product partners to align technical architecture with business priorities Mentor senior engineers and help establish a strong technical culture across the Economy ML team Ensure robustness, observability, and scalability of ML systems that power millions of daily economic interactions Own the architecture behind some of Roblox’s most foundational ML systems Work across groups at Roblox to advance the state of ML/AI at the company. Help scale a fast-growing ML organization and define Roblox’s future economy intelligence stack Solve real-world problems with real user impact, powering millions of personalized, intelligent economic interactions every day You have: 10+ years of experience in software engineering or ML infrastructure, with a strong focus on large-scale ML systems Deep expertise in building recommendation systems, ranking infrastructure, or real-time personalization engines Hands-on experience with Generative AI, such as transformer-based models, LLMs, embeddings, or RAG pipelines Proven experience with distributed training, model deployment, and GPU-accelerated workflows Strong understanding of ML system architecture: data pipelines, feature stores, inference optimization, experimentation tooling Systems-first mindset with strong instincts around scale, cost, performance, and reliability Track record of leading large technical initiatives and mentoring senior engineers BS, MS, or PhD in Computer Science, Machine Learning, or a related field For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $397,460 — $455,720 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As an Offensive Security Engineer within the Detection and Response team (DART), you'll engage in the offensive security assessments that strengthen our defense capabilities. Working closely with the larger InfoSec team, detection engineers, and external engineering partners, you'll identify security weaknesses, validate detection mechanisms, and provide actionable recommendations to enhance our security posture. You'll collaborate with various architecture and engineering teams to continuously validate and improve our security controls and detection capabilities, with a strong focus on developing repeatable testing frameworks and metrics-driven security improvements. You Have: 4+ years: of relevant professional experience in offensive security, with demonstrated experience in purple team exercises, breach attack simulation, and detection engineering collaboration. Development experience: proficiency in Python or Go for building security tooling and automation, including experience with SOAR platforms and configuration management. Security assessment expertise: performing full-stack security assessments of web applications, APIs, cloud infrastructure, and backend systems. Platform expertise: implementing and managing breach attack simulation platforms while working with detection engineering teams to validate and improve detection coverage. Deep understanding: of OWASP Top 10 vulnerabilities; common attack techniques; exploit development; post-exploitation methodologies; security assessment frameworks (MITRE ATT&CK, PTES); BAS methodologies; and modern detection stack components (EDR, SIEM, XDR). Knowledge: of security concepts including reverse engineering, cloud security (AWS/Azure/GCP), container security, CI/CD pipeline security, API security, and security metrics development. Certifications: such as OSCP, OSCE, GXPN, or equivalent practical experience. Organizational skills: strong analytical and problem-solving abilities; excellent technical writing for detailed reports; ability to clearly communicate complex technical concepts; self-motivated with a passion for offensive security and detection engineering. You Will: Perform offensive security assessments: conducting full-stack security assessments across our entire technology stack, including web applications, APIs, cloud infrastructure, and backend systems. Drive detection engineering partnerships: collaborating with detection engineers through purple team exercises, attack simulations, and threat emulation to validate and improve detection coverage. Develop custom tools and frameworks: creating and maintaining security testing tools, BAS frameworks, and automation scripts that enable repeatable testing and quantifiable security improvements. Build security metrics: designing and implementing frameworks to measure security control effectiveness, detection coverage, and improvement over time through consistent testing methodologies. Research and innovate: staying current with latest attack techniques, tools, and methodologies while contributing to both offensive and defensive security improvements. Broadly collaborate: sharing knowledge across security teams and fostering a culture of continuous security improvement. You Are: Collaborative: You thrive working with your direct team and cross-functional partners, especially in bridging the gap between offensive operations and detection engineering. Thoughtful of build vs. buy decisions: Comfortable with deploying and configuring Open Source software, but you also review what tools are available in the market to make informed decisions about tool selection and development. Comfortable with ambiguity: You can gather data and make informed decisions when there is no clear answer, especially when dealing with novel attack scenarios or detection challenges. Security-minded educator: You excel at translating complex technical findings into actionable insights for various stakeholders across the organization. Metrics-driven: You understand the importance of measuring security improvements and can develop frameworks to quantify the effectiveness of security controls and detection capabilities. Improvement-oriented: You actively seek opportunities to enhance both offensive capabilities and detection coverage, always thinking about the bigger security picture. Adaptable: You stay current with evolving threats and defense mechanisms, adjusting your approach as the security landscape changes. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $196,750 — $243,290 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.