Software Systems Engineer 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. 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

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 Sr. Studio Software Engineer for Roblox Studio Platform, you will be a key contributor to the evolution of Roblox Studio, the primary IDE for making massive multiplayer online games on the Roblox platform. Studio provides the mission-critical tools for 3D modeling, animation, and the complete SDLC for millions of developers. We are looking for engineers who thrive on an adventure into the unknown and have experience across various systems, Operating Systems, Game Engines, and Application Frameworks. You’ll tackle projects involving: Core User Features: Architecting application frameworks, windowing systems, and code generation. “AI Native” Features: Pioneering scalable systems that extend to complex, agentic use cases. Foundational Architecture: Driving OS integration, extensibility, and customizability at the deepest levels. Central Backend Systems: Engineering the infrastructure to power a consistent, high-performance UX. Design Evolution: Collaborating with UX designers to translate Studio into a modern, consistent design language. You Will: Design and execute the technical direction to drive the future extensibility and adaptability of the application. Own and deliver complex techn

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. You Have: Experience: You have 5+ years of experience delivering projects that include complex user workflows. Domain Knowledge: You have Android and C++ expertise You are highly skilled at performance tuning, and debugging and fixing production problems. Domain Knowledge: You have some iOS, and Windows experience. You love to pick up new technologies as the landscape evolves. Versatility: You can adapt to any situation when the need arises and come up with the right solution. A keen interest in developing audio expertise and knowledge, professional audio experience is not required. Creativity: You take a creative and strategic approach to solving hard problems. Bringing real-time interactivity to build an immersive 3D world should get you thinking about many problems to solve… and make you excited as a result. Professionalism: You take pride in delivering a high quality product and user experience. Skills: C++ programming Experience designing refining and tuning algorithms Troubleshooting bugs and performance issues Background: You have a BS in a STEM related field or equivalent experience. Bonus: Console programming experience (PlayStation, Xbox, etc.) Bonus: Systems-lev

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 Data Access team within Infra / Storage builds EaaS (Entities-as-a-Service), Roblox’s large-scale managed OLTP access and management platform powering tens of millions of QPS across thousands of services. EaaS abstracts the complexity of distributed databases and caching systems behind a consistent and productive developer experience, enabling teams across Roblox to safely build and operate stateful systems at massive scale without requiring deep database expertise. The team operates at the intersection of distributed systems engineering, reliability engineering, and platform architecture — solving hard infrastructure problems that directly impact Roblox-wide scale and stability. As a Senior Software Engineer you will work on some of Roblox’s hardest backend infrastructure challenges around scalability, reliability, workload governance, adaptive flow control, and distributed systems. You Will Build and evolve EaaS, Roblox’s managed OLTP access platform powering tens of millions of QPS across hundreds of services. Design infrastructure that abstracts distributed databases and caching systems behind a consistent, safe, and highly productive developer experience. Drive reliability and scal

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 Software Engineer on the User Frameworks team, you will help create the reusable UI components and systems that many Roblox teams rely on to create engaging and intuitive product experiences. You Have: 1–3 years of experience building software systems (industry experience) Strong coding fundamentals in one or more languages such as Javascript, TypeScript, Lua, or similar Experience building frontend systems, reusable UI components, or design systems Familiarity with modern UI frameworks such as React, and an interest in building practical, maintainable abstractions that can scale An understanding of software quality fundamentals such as performance, accessibility, responsiveness, maintainability, and thoughtful API or component design. A growth mindset and curiosity about automation and AI-assisted development You Will: Build and improve reusable UI components, and libraries that many Roblox teams rely on to create consistent, polished, and accessible user experiences Contribute to the Foundation Design System by working closely with design and engineering to define and implement shared building blocks for Roblox Write clean, maintainable, and well-tested code, while contributing to en

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 Early Career Software Engineer at Roblox, your story begins with supportive mentorship and immediate, global impact. You’ll work alongside seasoned engineers and curious experts, designing, coding, and deploying real features that reach millions of people globally. By the end of your first year, you’ll have directly influenced the future of our platform and the experience of our global community with millions of daily active users. You Will: Join a community of curious, supportive engineers, actively engaging in architectural discussions and system design. Investigate and experiment with cutting-edge technologies, like machine learning frameworks and large language models (LLMs), to solve complex technical challenges and improve our engineering systems. Design, code, and test innovative features, navigating the full development lifecycle from initial design to production deployment. Partner closely with cross-functional teams, including Design, Product, Data, QA, and DevOps, to deliver cohesive products and features. Support the continuous evolution of our distributed systems, operating at our massive scale of 2 trillion analytics events a day. Engage in our team mat

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 Software Engineer Intern at Roblox, your 12-week journey is designed around accelerated learning and tangible global impact. With the support of a dedicated mentor, you’ll apply your knowledge to production-scale reality as you take end-to-end ownership of a project tackling some of the hardest technical challenges, including distributed systems, real-time communication, 3D co-experience, data processing, rendering, and more. You Will: Join our supportive community of engineers, receiving dedicated mentorship as you deliver live production projects. Investigate and experiment with cutting-edge technologies, such as machine learning frameworks, agentic coding tools, and large language models (LLMs), to solve complex technical challenges and improve our engineering systems. Own a project from beginning to end, from coding and testing to deploying it to production, and presenting your work to peers and leaders across the company. Partner closely with cross-functional teams, including Design, Product, Data, QA, and DevOps, to deliver cohesive products and features. Build a close community with fellow interns and full-time builders alike, while gaining a broad perspective on the compa

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 Roblox Studio? Roblox Studio is the creation engine behind millions of immersive 3D experiences built by creators around the world. It serves everyone from first-time developers to large professional studios, combining a powerful real-time engine with a deeply expressive toolchain. As creation on Roblox grows more sophisticated, Studio must continue evolving as a world-class development environment for interactive 3D experiences. That requires deep investment in the technical systems that underpin the IDE experience from scripting, debugging, architecture, and core IDE capabilities including performance. We are looking for a leader who can raise the bar on these foundational systems and help shape the future of Studio as a high-quality, extensible, and performant creation environment. Familiarity with creator tools is important, and experience with AI-assisted creation is a plus. The Role We are seeking a Director of Engineering for Studio Systems to lead a critical area of Roblox Studio’s technical foundation. In this role, you will be accountable for the architecture, execution, and long-term evolution of core systems that power Studio’s IDE and developer workflows. This includes area

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 senior software engineer on the Cell Platform team at Roblox, you will build systems that Roblox engineers use to create and deploy resources onto Kubernetes. Our engineers deploy their services in a complex, hybrid, multiple-cluster, K8s environment. The Cell Platform manages this complexity for our users, with tools, APIs, K8s controllers, and UX, simplifying infrastructure for our internal customers. You Have: A desire to work on critical, large-scale distributed systems An appreciation of observability and instrumentation and tooling to make your life easier 3+ years of experience as software engineer Bachelor's degree in Computer Science or an equivalent field You will: Build our Roblox-wide control plane using Kubernetes primitives (and plenty of custom resources) Work on the interface of the few hundred person infrastructure organization to the thousands of Roblox engineers Write and review high quality code and tests (largely Golang) Work on a team that cares about inclusivity and shipping 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

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 Security organization at Roblox is responsible for designing and engineering secure systems from inception through production. We define security standards, build scalable controls, and enable product and infrastructure teams to operate securely by default. The Application Security team partners closely with engineering teams early in the development lifecycle to drive secure architectures, establish standards, and deliver scalable security solutions. As a Senior Security Software Engineer - Application Security , you will be a hands-on engineer who designs, builds, and ships security solutions that integrate directly into developer workflows and platforms. You will play a key role in scaling application security through automation, CI/CD integrations, secure libraries, and reusable patterns. In this role, you will help define how security is embedded across the software development lifecycle at Roblox, balancing deep technical work (threat modeling, code review, penetration testing) with systemic solutions that reduce risk at scale. You will also participate in AppSec on-call rotations and contribute to security tooling and platform evolution. You will: Integrate security into CI/CD pi

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 the players together by ensuring the communication of the game state to all. As a Principal Engineer on this team you will help the players experience the game as a nearly synchronous world. The networking and asset loading team plays a key role in a smooth experience for the players. You will work in all areas of the game platform in your quest for real-time communication of every part of Roblox. You Will: Lead engineers with 8+ years of industry experience Be experienced with one of these area: asset loading, rendering, and networking coming from a Game Engine/Studio. Be an amazing systems-level C++ programmer and be fascinated by the actual work the CPU does when you use smart pointers, templates, virtual functions, and blocks of memory, both structured and raw Have a keen to each millisecond of the network exchanges: You know where the time goes and how to reduce the waste Understand what happens on the operating system level when certain code is completed You Have: Worked on the guts of a multi-player game engine, solving problems related to scale, performance, latency, and throughput in client/server environments. Worked on a very large multithreaded d

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 Creator Services Data, you’ll be leading the company’s efforts to build the next generation Data Storage systems to power the millions of experiences on the Roblox Platform. We run the mission critical cloud services, Data Stores , Memory Stores , and Badges , which are crucial for storing game state such as inventory and scores, implementing leaderboards, server lists, and trading, and tracking player progress and achievements. Our team is also responsible for building dashboards to provide insights to Creators using cloud services including Client/Server Performance , Data Stores , and Memory Stores . Finally, our team owns the Roblox Extended Services platform, which provides the capability for large experiences to purchase additional resources for existing services like Data Stores and new services built around compute and generative AI. At its core, this team is focused on solving complex back end distributed systems and storage problems at scale. However, our scope extends to full stack projects spanning all the way from the infrastructure layer, through data storage and data pipelines, microservices, telemetry, game servers,

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. As a Senior 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 con

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 Luau App Foundations team is responsible for the core infrastructure of the Roblox application. They bridge the gap between app and the performance-heavy Roblox game engine. This team is building the unified stack that powers mission-critical surfaces like Home, Avatar, and Social for millions of concurrent users. They are the ones who make it possible for "Web-style" development efficiency to exist within a high-performance C++ game engine. Why is this role exciting: Technical Pioneer: You will be writing libraries and modules using C++ inside a world class Roblox proprietary Game Engine. Systematic Impact: This is a "Force Multiplier" role. The frameworks and components you build will be used by dozens of other engineering teams to ship their features. Complex Problem Solving: You aren’t just building an app; you’re managing smooth data flow through a client that has to perform perfectly on a $100 Android phone and a $3,000 Gaming PC simultaneously. 0 to 1 Transitions: You will lead the charge in shaping some of the most crucial components of the App written in C++ inside the Game Engine. Key Challenges: Bridging Tech Stacks: The libraries you write sit between a modern UI (written in