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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. Roblox's data infrastructure processes petabytes of data daily, powering analytics, ML, and product decisions. As a Senior Software Engineer in our Data Infra org, you will design, build, and scale the distributed data infrastructure platforms that power Roblox. You will own and drive the next-generation architecture of our core platforms, which span Kafka, Flink, Spark, Trino, Druid, Airflow and Data Catalog. This role combines high ambiguity and ownership to push the boundaries of what our infrastructure can handle at massive scale, giving you the unique opportunity to steer the evolution of the data landscape. You Will: Own and Scale Core Platform Components: Take responsibility for the design, architecture, and implementation of 1–2 key data platform frameworks within our stack Collaborate and Align: Partner with infra, data science, and product engineering teams to ensure your target platform's capabilities are directly guided by platform governance and product requirements. Optimize Performance at Scale: Dive deep into engine internals, query planning, state management, memory optimization, serialization efficiency to maximize throughput and reliability under heavy load. Drive Infrastructure Robustness: Lead the design, testing, and operational lifecycle of next-generation infrastructure features running on Kubernetes across cloud environments. Agentic Interface: Embed AI/ML capabilities within our data platforms, leveraging LLMs for data discovery and generation, building autonomous, self-serve mechanisms for platform interaction layer. You Have: 5+ years of experience building, designing, testing and maintaining production-grade, large-scale distributed systems. Data Platform Depth: Deep technical experience building or strong familiarity with at least 1 or 2 foundational technologies within our stack: Kafka, Flink, Spark, Trino, Druid, Airflow, or Data Catalog/Metadata systems. Strong Engineering Foundations: Robust proficiency in Java, Go, or Scala , with a track record of writing clean, highly performant backend code. Cloud Fluency: Experience operating and troubleshooting data infrastructure at scale on top of Kubernetes in AWS or GCP. Technical Leadership: Demonstrated ability to influence technical direction across teams, mentor engineers, and drive alignment on complex cross-cutting initiatives. B.S. equivalent in CS or sufficient experience. Nice to Have: Contributions to open-source projects in the data infrastructure ecosystem. Experience operating infrastructure at consumer-internet scale (100M+ 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 $243,290 — $295,250 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 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 tool-belt 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 Data Infrastructure To pro-actively find bad actors and protect good users, Roblox needs to ingest enormous amounts of data and make it usable both to our automated detection systems and for human moderators and customer support agents doing investigations. The Safety Data Infrastructure team is addressing these needs within Safety. We are building a high availability real time multi-model datastore consisting of screenshots, chats, voice communication and more. This will allow various safety systems to re-use all manner of data collected to spot bad actors and policy violations. As a member of the Account Infra Team, you will have a rare opportunity to sit at the convergence of ML infrastructure, data engineering, and high scalability engineering all while getting to learn Rust. You Will: Assume ownership of the complete lifecycle for full-stack features within Safety Data Infra ranging from technical specification, implementation, rollout, monitoring, and iteration, ensuring alignment with the designated pod roadmap. Engage in close collaboration with partner teams in Content Safety, Safety Experience, Accounts, ML Foundations and Roblox database platform teams. Define the architectural direction for scaling Safety Data Infra. Take complete responsibility for projects throughout their entire lifecycle. Drive cross-functional engagement and lead technical initiatives to ensure the widespread adoption and success of our core safety applications. Report directly to the Manager of Account Security and Infra. You Have: 4+ years of experience in software development. Distributed Systems Architecture: Proven ability to design and implement robust, high-throughput microservices (handling thousands of requests per second) while maintaining a strict focus on system safety and security. Backend Proficiency: Experience with non-relational datastores and large scale systems. Safety-Driven Mindset: A strong commitment to designing, implementing, and maintaining systems that prioritize user safety, data integrity, and compliance with safety policies. Equivalent experience or a BS in Computer Science, Applied Math, Physics, Engineering, Statistics, or another technical field. Curious to learn new technologies and systematically grow your skills. You Are: Experienced (4+ years): You have extensive experience as a full-stack engineer, proficient in back-end development, working on complex, production-grade systems end-to-end. Analytical & Data-Driven: You possess a strong ability to instrument, collect, and analyze user interaction data (e.g., A/B testing, usage metrics) to inform design decisions and continuously maximize user impact and product performance. Comfort working with agents. Roblox as a whole is also currently revamping our development flows to incorporate AI wherever possible. Versatile & Adaptable: We write and review code primarily in Rust with some adjacent systems in Go, C#, C++ and Python. Team-Player & Technical Leader: You are a collaborative team member who actively mentors peers, drives technical excellence, and takes ownership of leading and delivering key features and projects across team boundaries. AI native: You are eager to define and build AI-centric solutions, incorporating modern machine learning and agentic AI capabilities directly into the core user experience and system architecture. 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.

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 App Test team builds the test automation platform that enables Roblox engineers to deliver reliable, high-quality experiences across the Roblox Universal App. Our systems span test frameworks, execution and orchestration, device-farm infrastructure, debugging tools, dashboards, and the supporting infra that power end-to-end testing across mobile, desktop, console, and VR. As a Senior Software Engineer on the App Test team, you will design, build, and scale tools and services that power the test automation lifecycle. You will work on foundational systems that enable engineers to author, select, execute, debug, maintain, and triage tests efficiently, while helping evolve our platform toward an AI-native testing experience. You will have the opportunity to solve complex engineering problems across distributed systems, cross-platform automation, developer tooling, and AI orchestration. Your work will help teams identify regressions earlier, improve release confidence, and deliver software faster without compromising quality. You will: Build and scale test automation infrastructure: Design, implement, and evolve the frameworks, runners, orchestration services, device-farm integrations, and supporting infrastructure that power reliable end-to-end testing across Roblox's supported platforms Advance the AI-native test lifecycle: Develop intelligent tooling that improves test authoring, selection, execution, maintenance, and failure triage, using AI to reduce manual effort and make testing more accessible and effective Develop test orchestration and intelligence: Build systems that connect test planning, test selection, execution, and failure analysis, enabling more efficient use of test infrastructure and faster feedback to engineers Improve test reliability and debugging: Build tools and services that improve test stability, observability, failure diagnosis, and maintenance across a large and evolving test ecosystem Shift quality earlier in the development lifecycle: Integrate automated quality checks and actionable test feedback into development and CI/CD workflows to help teams identify and resolve issues earlier Drive projects end to end: Take ownership of technical initiatives from problem definition, design, and implementation through production deployment, adoption, measurement, and continuous improvement Collaborate across engineering: Partner with application, platform, QA, infrastructure, and developer productivity teams to develop scalable solutions that address the needs of engineers across Roblox You have: Software engineering experience: Experience designing, building, testing, and operating production software, with a track record of solving complex engineering problems in large codebases Programming fundamentals: Strong programming skills in C++, Python, Go, or another modern programming language, with an emphasis on writing maintainable, reliable, and well-tested code Automation and infrastructure experience: Experience building test automation frameworks, developer tools, distributed systems, CI/CD infrastructure, or other engineering platforms Systems and architecture: Experience designing and evolving services or frameworks, with an understanding of scalability, reliability, observability, and operational excellence Cross-platform engineering: Experience developing or supporting systems across multiple platforms or environments, such as Windows, macOS, Linux, Android, or iOS Ownership and collaboration: Ability to take ownership of projects, work effectively across teams, communicate technical decisions clearly, and deliver solutions that improve the experience of engineers who use your tools Nice to have Experience with cross-platform test automation frameworks such as Appium, Selenium, or comparable tools, including mobile, desktop, or game testing Experience building CI/CD, release engineering, developer productivity, or internal platform systems Experience applying LLMs, agents, or other AI techniques to developer tools, including test authoring, intelligent test selection, test maintenance, failure analysis, or automated debugging Experience working with large-scale software development workflows and integrating automated quality checks into the development lifecycle 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 $243,290 — $295,250 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 Engineering Acceleration Foundations team delivers a world-class development experience to our 2000+ Roblox teammates who write, build, and ship the most incredible virtual experience platform in the world. As a Senior Software Engineer within our Engineering Acceleration team, you will be deep in the middle of transforming development at Roblox from its solid roots to a fully scaled, globally mature, AI-native platform for empowering engineers. If you are passionate about engineering productivity and you’ve ever wanted to have company-wide impact where you can design, code, and make decisions that fundamentally change how things are done - this is your opportunity! You Will: Support, scale, secure and redefine Roblox’s development cycle including source control, code search, artifact creation and distribution, and local and remote development infrastructure for the next 10 years of growth. Help create software that improves the lives of your coworkers with new local development tools, internal web apps and microservices, reusable CI workflows, productivity metrics toolchains, and integrations across many 1st and 3rd party tools. Collaborate on efforts improving the productivity and user experience of our Source, CI tools and Build, spanning teams across Roblox engineering and impacting every engineer at the company. You Have: 6+ years of experience A BS in Computer Science or a related field with equivalent practical experience. A customer-focused mindset with great communication and collaboration skills. Participated in end-to-end development, launch, and support of a tool or system used by hundreds of other developers at scale. Knowledge of source control, artifact management, CI tools, and infrastructure. GitHub, GitHub Actions, and Artifactory experience are a plus. Experience working with common cloud and orchestration technologies, preferably AWS, Docker, Kubernetes, and HashiCorp Stack (Terraform, Vault). Fluency in at least one common programming language (Python, Go, C#). 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 $243,290 — $295,250 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: In this Senior Frontend Engineering role, you will be a key contributor in shaping the future of Roblox’s application surfaces. You will develop the architecture and technical direction of our frontend stack for consumer-facing surfaces, working across teams and technology platforms to ensure our solutions are universal and scalable​. This role would require defining how all our frontend pieces fit together, how data flows through the client, and how we can build features faster and more reliably. You will have the opportunity to work with modern frameworks and also dive into our custom Luau-based tech, bridging the best ideas from the web ecosystem into Roblox’s unique environment. If you are excited by the idea of creating the foundation on which dozens of engineers will build new features – and doing it in a way that delights our end-users with speed and stability – then this role will be perfect for you. Join us and help build the frontend platform that underpins the metaverse! Together, we’ll enable incredible new experiences for our users and a productive, joyful development experience for our engineers. You Have: Bachelor’s degree in Computer Science or a related field, or equivalent practical experience​. 8+ years of software development experience, including substantial experience building user-facing frontend applications. Proven track record in implementing or architecting complex frontend systems for large-scale applications​ (experience with large-scale or high-traffic applications is a plus​). Deep expertise in modern mobile/web/frontend technologies – including proficiency in HTML5, CSS3, and JavaScript/TypeScript or mobile equivalents – and hands-on experience with frameworks such as React​. Comfortable with component-based architecture and state management patterns (Redux/Flux or similar) for building maintainable UIs. Strong programming skills in one or more scripting languages relevant to frontend and tooling such as TypeScript, Swift or Kotlin, or the ability to quickly learn them​, is highly desirable. Solid understanding of software design principles and architectural patterns as they apply to frontend development. Able to design clean APIs and module boundaries, and experienced in creating maintainable and testable code bases with proper unit/integration testing practices​. Demonstrated ability to optimize frontend performance and diagnose issues. Knowledge of performance debugging, profiling, and benchmarking techniques on the client side​. Passion for ensuring fast, fluid user experiences on all devices. Excellent communication skills and a team-oriented mindset. Ability to work effectively with cross-functional teams, gather requirements, and drive consensus on technical solutions. Comfortable sharing ideas, documenting designs, and collaboratively solving problems in a large engineering organization. Experience developing applications or libraries across multiple platforms (web, mobile, desktop). Familiarity with building applications that serve users on Web, iOS, Android, Windows, etc. is desirable for ensuring a seamless cross-platform experience​. Familiarity with C++ or other low-level languages is a nice to have but not mandatory. You will: Design and implement robust, extensible systems powering Roblox’s core surfaces (Home, Avatar, Search, etc.) to serve millions of users efficiently. Create reusable frontend abstractions using React paradigms and modern tech to enable fast, consistent UI development across teams and devices. Maintain and evolve Roblox’s internal React-inspired Luau UI libraries, promoting modular design, state management patterns, and performance. Define architecture standards to ensure frontend code is scalable, testable, and aligned with proven patterns like Flux, MVC, and MVVM. Partner with engineering, product, and design teams to integrate shared solutions and deliver cohesive, high-quality user experiences. Address cross-surface issues like memory, responsiveness, and load times to ensure a reliable, fast UI at scale. Provide architectural leadership, review designs/code, and mentor engineers in best practices and effective use of platform tools. 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 $242,100 — $312,970 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 Senior Software Engineer working on User Experience, you will build a new way to experience Ads in app and in game. This team will focus on the UX for users and developers in how they see and experience ads as well as for developers to see how their ads are performing. You will be part of the team building brand new user experiences that will be critical to our Immersive Ads future. You will report into our Engineering Manager. In this role, you will craft robust, extensible systems for high-traffic surfaces across our Ads products. 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! You Will: Design, build and ship high-traffic features to improve the user journey for millions of users across mobile, desktop and other immersive platforms. 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 Partner closely with Product, Design, Data Science, and other Roblox engineering teams to deliver coherent user journeys across the platform You Have: 3+ years of experience in software development Deep experience with web technologies (React, Typescript, Javascript) A strong history of building and launching consumer-facing features with design, product and/or other partners Mobile App Development or Game Development is a plus 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 all; Versatile : You are comfortable switching between languages and are excited to learn new technologies; Analytical : You are driven to tackle large, ambiguous problems systematically and thoroughly; Innovative : You craft creative long-term solutions and stay in touch with industry developments; Team-oriented : You value the ideas and experiences of teammates and multi functional partners Systems-thinker: You have a strong understanding of client-server architecture, state management, and frontend performance optimization. Collaborative: You thrive in cross-functional environments and enjoy mentoring and elevating teammates. 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 $242,100 — $293,800 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. Job Description The Geometry Scalability team builds the systems that power both Avatars and Environments across Roblox. Our mission is to enable millions of developers to build large, high-fidelity worlds and multiplayer experiences that still run smoothly on phones and low-end devices. We’re the team that lets Roblox experiences evolve from simple platformers into massively multiplayer, open-world, AAA-quality games. This is a CEO-level priority: how Roblox “ages up” from kids’ games to experiences everyone wants to play, by making higher-fidelity avatars and environments performant at platform scale. You Will: Design and ship 3D engine systems for avatar and environment geometry, including mesh processing, level of detail, transcoding, streaming, runtime loading, and related performance systems. Partner closely with other teams (Rendering, Avatar, Studio) and external developers so that the features you build are directly usable to create amazing experiences. Profile and improve the performance of our game engine across a wide range of devices, with particular attention to mobile. Lead by example: drive projects end-to-end, mentor other engineers, and help set a high bar for technical quality and code health on the team. You Have: Proven Expertise: 8+ years of professional experience building and shipping high-performance systems in domains such as game engines, real-time simulation, robotics, AR/VR, or similar. Strong C++ Experience: Deep proficiency in C++, with a focus on writing clean, efficient, and maintainable code in large codebases. Applied 3D Systems Experience: Demonstrated hands-on experience building at least one production system involving real-time 3D rendering, mesh or geometry processing, LOD, animation/skinning, spatial data, 3D asset pipelines, or GPU/client performance. Deep specialization in one area is not required, but meaningful hands-on experience is. Real-time Performance Mindset: Experience diagnosing tradeoffs among CPU/GPU time, memory, loading latency, visual quality, and frame-time stability on constrained platforms such as mobile or console. Ownership in Ambiguity: A track record of driving work end-to-end when the problem wasn't fully specified: defining the approach yourself, seeing it through implementation, rollout, and production consequences; gathering more information when requirements didn't make sense. Collaboration and Communication: Ability to work effectively across teams (Engine, Rendering, Avatar, Studio, and developer-facing teams) and explain complex technical topics clearly to different audiences. 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 $243,290 — $295,250 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 Engine Networking Team pulls the players together by ensuring the communication of the game state to all. As a Senior Network Transport Engineer you will help the players experience the game as a nearly synchronous world. Just as the nerves in our bodies coordinate our actions, the network system coordinates all the computers involved into 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 Have: Worked on a powerful user-space network stack, solving problems related to scale, performance, latency, and throughput in client/server environments. Worked on a very large multithreaded distributed system that connects millions of users worldwide. Worked on all the devices Roblox supports - from desktop clients to mobile phone clients to console clients Worked on a game engine and understand how a game engine works You Are: A software engineer with 7+ years of experience with Game networking coming from a Game Engine/Studio A deep understanding of Network Stack with a passion for working with open source Strong systems-level C++ programming experience and fascinated by the actual work the CPU does when you use smart pointers, templates, virtual functions, and blocks of memory, both structured and raw Experience with Linux networking, QoS, Congestion Control Algorithms. Keen to each millisecond of the network exchanges: You know where the time goes and how to reduce the waste Understanding of what happens on the operating systems level when certain code is completed 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 $243,290 — $295,250 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.