Technical Specialist in San Mateo

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 Software Engineer on the Engine DataModel team, you will own and innovate on the foundational components that form the backbone of the Roblox platform. In the Roblox Engine, the DataModel is a tree-like structure that is analogous to a scenegraph in other 3D engines. This role will report to the engineering manager and will be based out of our HQ in San Mateo, CA in a hybrid model 3 days a week (Tuesdays to Thursdays). Our team owns: The core structures and systems are used to build the DataModel and interact with it. The C++ reflection bindings that form the Engine’s Luau API surface and let creators interact with the DataModel. We’ve built custom codegen tooling to generate the C++ for these reflection bindings and other related structures. DataModel serialization … and much more! You will: Develop engine code that performs well for all user-created games on the Roblox platform. Build the core systems and data structures used in the Roblox engine, working with other teams to find universal solutions. Take ownership of projects throughout their full lifecycles. Execute code that performs well on all the devices Roblox supports—from desktop clients to mobile phone clients to

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 Ads User Experience team at Roblox is dedicated to developing cutting-edge software and integrations that facilitate ads on Roblox. Our focus lies in building a first-of-its-kind ads system in our Game Engine. We are developing different ad formats and integrations, starting with video. We are looking for a Principal Software Engineer with an expertise in C++. This is a high-impact position. Ads at Roblox is at the beginning of our journey, presenting an amazing opportunity to get in at the ground floor and help build a multi-billion dollar business from scratch. We are approaching this challenge with a strong focus on performance and a deep respect for our community — ensuring everyone continues to have an exceptional experience on Roblox. As we move toward enabling cooperative experiences for an infinite number of players in infinitely scalable worlds, we are looking for a Senior Engineer who is both technically exceptional and capable of delivering meaningful, real-world impact. You Will: Help build a first-of-its-kind ads system within the Roblox Game Engine Develop new ad formats and integrations, starting with video Contribute to the design and performance of systems t

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 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 Safety Experience? Safety is paramount at Roblox, and it shows up in everyday human moments. A rating left on a game. The words a Customer Care agent chooses when replying to a report. Whether a suspended account feels like a fair call or an arbitrary one. How fast someone gets back into an account they thought was gon

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. Core Services builds the foundational services and software infrastructure behind Roblox’s global platform. Our work includes the C#/.NET and Rust frameworks, shared libraries, and runtime integrations that engineers use to build and operate production services. As a Principal Software Engineer on the Core Services team you will solve problems spanning distributed systems, concurrency, memory management, API design, and developer experience. You will improve the performance and reliability of our C# ecosystem, expand our Rust infrastructure, and develop shared components and interoperability patterns across both languages. Your work will help teams adopt better foundations safely, with improvements that compound across Roblox’s service fleet. This role combines hands-on systems engineering with technical leadership. You will work with service owners and infrastructure partners to turn complex platform capabilities into reliable, usable building blocks, and own their evolution from design through production adoption. You Will Build and evolve shared C#/.NET and Rust frameworks, libraries, and SDKs, including HTTP/gRPC infrastructure, caching, configuration, and observability. Investig

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 Backend Engineer, you will have the independence, opportunity, and end-to-end responsibility to help us build a critical, complex set of backend systems that support the creators of games and other experiences within our Roblox ecosystem. The Creator Success Team empowers Roblox to be the best development platform for creating 3D social experiences, allowing our creators to publish compelling content within the Roblox ecosystem. This includes services and solutions around the Creator Hub, Developer Forum, and Creator Dashboard. You will create and own mission-critical services in this cross-discipline team within our Roblox ecosystem. As a team, we believe in fast iteration and are biased toward action while keeping the long view. We have numerous exciting projects ahead of us for the years to come, including but not limited to: Build ML-driven services and large scale data pipeline to drive player insights and optimise monetization opportunities for creators Build next generation communication platform providing creators with powerful tools to manage the player community, organize virtual events, and collect player feedback Build a state-of-the-art remote configuration/experiment plat

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 are growing and looking for a Technical Sourcer to help build, scale, and influence our recruiting landscape. We are a fun and collaborative team focused on recruiting talent. This person is a strong communicator, collaborator, and leads by example. Successful Builders embrace change and we encourage bringing in fresh ideas and a culture of feedback. You will directly impact the growth of the company and support our scaling efforts. You Will: Partner closely with Roblox recruiters and business leaders to deeply understand each team’s goals and talent needs, then identify, attract, and engage top candidates who will drive our mission forward Proactively source and engage top talent through Gem, LinkedIn Recruiter, SeekOut, Behance, Dribbble, and other platforms Influence and improve processes to help the team work smarter, faster, and at scale Share talent market insights with hiring managers to guide decisions on leveling, compensation, and candidate profiles Mentor and coach hiring managers and interviewers, raising the bar on calibration, evaluation, and selection practices Champion a best-in-class candidate experience that reflects our values and culture at every stage of t

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 Engine Networking Team pulls players together by ensuring the game state is communicated to all, ensures the world those players share actually shows up — the right bits, at the right time, without hitches. As an Engineering Manager for Engine Networking, you will lead and empower a team of engineers who help players experience the game as a nearly synchronous world that streams in seamlessly. Just as the nerves in our bodies coordinate our actions and the bloodstream delivers what every cell needs, the network system coordinates all the computers involved while the asset pipeline delivers the content that brings the experience to life. You will oversee the architecture, execution, and career growth of engineers working across real-time state synchronization and end-to-end asset delivery in your quest to communicate every part of Roblox to every player, as fast as physically possible. You Have: Managed, led, or mentored engineering teams working on high-performance, low-latency network infrastructure or content-delivery/asset-streaming systems in client/server environments. Experience driving execution and architectural roadmap for complex multithreaded systems that connect millions of

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 Administration team at Roblox provides core administrative support and serves as strategic partners to our business leaders. You Will: Provide executive support to the Chief Creator Ecosystem Officer and Senior Director of Creator Product. Strategically manage complex calendars — allocating time against priorities, protecting focus time, and proactively resolving conflicts before they surface. Serve as a trusted operational proxy for executives – ensuring their time is optimized, they are delegating effectively, and anticipating what is needed before being asked. Drive continuous process improvement across the org — identifying what isn't working, owning the fix, and sharing better practices with the broader EA community. Plan and execute impactful team events, including team building activities, off-sites, and recognition programs. Maintain team communication channels, meeting notes, project plans, goals, and group tasks. Manage the confidential execution of organizational changes, including information flow, timing, and discretion across sensitive people movements. Engage in frequent written and verbal correspondence with high-profile external partners and clients. M

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. Roblox's Object Store team is building the in-house, multi-tenant object storage platform that underpins every large-object workload at Roblox — assets, media, analytics, backups, and machine learning datasets — at exabyte scale, trillions of objects, and terabytes per second of throughput. We build and run it ourselves on bare metal in our own data centers, replacing cloud object storage with a platform we control end to end — down to the hardware. As a principal engineer on the Object Store team, you will shape the architecture, build and launch the capabilities that keep this platform durable, fast, and efficient at global scale, and set the technical direction for where it goes next. You will report to the Engineering Manager for Storage. You will: Design and build the object store — S3-compatible gateway, metadata and indexing, data placement and tiering, multi-tenancy and isolation. Own the technical strategy : multi-year architecture, build-vs-buy calls, and the migration off cloud object storage. Evolve the control plane for elastic scaling, autonomous healing, self-service provisioning, and zero-downtime tenant moves. Run the bare-metal fleet at scale — cluster lifecycle, upgrades,

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. About the role: Foundation AI builds the platforms, services, and infrastructure that enable machine learning and generative AI across Roblox. In this role, you’ll work across areas such as model training and inference, LLM services, Agent infrastructure, data systems, experimentation, evaluation, and developer tooling while learning how to build reliable systems at scale. You’ll design, code, test, launch, and operate production features, partnering with teams across product, research, data, infrastructure, safety, creator, engine, discovery, and economy. You will report to an Engineering Manager within Foundation AI organization. You will: Build platforms and services that power machine learning, generative AI and agentic platform and product experiences across Roblox. Explore emerging technologies, including ML frameworks, LLMs, agentic systems, distributed systems, and GPU infrastructure. Improve the speed, reliability, observability, and cost efficiency of AI development Contribute to systems operating at Roblox scale while balancing quality, latency, reliability, and responsible data use. You have: You have an undergraduate/graduate degree in computer science or equivalent experience

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 Discovery UX team works closely with various product and engineering teams across Roblox to both improve the user journey from landing on the Roblox homepage to entering an experience, as well as allow developers to connect with the right audience. We primarily work on Home, Search, Charts and the Experience Details pages, for both the Roblox website and app. As a Senior Frontend Software Engineer, you will craft robust, extensible systems for high-traffic surfaces including the Roblox homepage. You will drive solutions using React and other technologies, helping us to build components quickly and efficiently across devices. If you have a deep understanding of frontend technologies and a passion for refining client-server interaction, 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 to improve the user journey for millions of users Work with Engineering, Product, Design and Data partners to match developers with the right audience Architect universal solutions for delivering features across a range of platforms and devices Drive UX improvements through data-driven decisions and A/B testing

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 Distinguished Engineer/Technical Director on Discovery, you’ll be in charge of the overall technical vision and execution for all machine learning initiatives across search and discovery teams. The mission of these teams is to connect a billion users with the best connections and content at the right time, covering a very diverse range of search and recommendation problems at a high scale. This is fundamental to how we personalize the experience to drive engagement and retention for Roblox users. With daily active users growing at a record rate, we are looking for expert tech leaders who are passionate about crafting and building machine learning solutions to power Search and Recommendations. You Will: Own the technical direction and implementation for the machine learning solutions that power the search and recommendation systems, driving Roblox content distribution. Author specs for new features and improvements. You would be responsible for setting the AI strategy, pushing the frontier of recommendation technology, and driving business outcomes across candidate generation, ranking, objective functions, and value delivery for both users and developers. Build and evolve in

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 Creator Service Translation team is the heartbeat behind our worldwide gaming experiences. We own a broad spectrum of localization sources including text, images, audio, etc, as well as the full localization pipeline for content detection, translation, serving and rendering. As a Senior Software Engineer , you will design and build highly scalable systems to help creators to continuously deliver experiences that feel native and seamless. You will help us to expand the language families and locales, support real-time localization, enrich translation media types, and improve the translation quality to be industry-leading for Roblox. Join us if you thrive on cross‑functional collaboration, care about the craft of language, and want to shape how millions of players experience our worlds, and everywhere in between. You Have: Experience: You have 7+ years of experience and you’ve designed and led implementation on highly scalable and reliable distributed backend systems. You have hands-on experience in microservices. Knowledge: You are proficient in one or more programming languages (C#, C++, Go, Python or similar programming language). Deep understanding of C++ is a plus, f

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 DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization's mission is to increase our speed, frequency and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling and machine learning. Aligned and partnering with product verticals, we use this extensive tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure impact on our community of players and developers. WHY ENGINE INFRA? Engine Infra team is responsible for the game-server fleet that simulates live experiences — making it efficient, observable, and reliable on Roblox edge infrastructure and regional cloud capacity, from multiplexing and ARM bursting through telemetry, resource allocation, and edge latency. You Will: Define Metrics — Own Engine Infra metrics, telemetry logging, and validation for the RCC fleet and edge compute. Establish KPIs for game-server efficiency, reliability, and player experience — including C

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. We’re looking for an International Operations Manager to drive and manage the operational cadence supporting our international structure across local country teams. You will spearhead cross-functional execution, lead end-to-end work item and resource planning, and operationalize group reporting, goal-setting, and performance tracking. In this role, you’ll build, own, and optimize the rhythms (such as QBRs, regular business reviews, and scorecards) that keep global workstreams aligned, resourced, and delivered on schedule. This full-time, hybrid (in-office on Tues/Wed/Thurs) position is based in our San Mateo office and reports to the Head of International Strategy & Ops. You Will: Lead Cadence & Operating Rhythms: Spearhead and own internal operating cadences and reporting, including leading quarterly business reviews, establishing regular review rhythms with local international teams, and driving core alignment across regions. Work Item & Resource Planning: Lead work item prioritization, project planning, and resource allocation across cross-functional teams (Marketing, Comms, Trust & Safety, Business Development, Finance, Legal) to ensure local market initiatives are prope