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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.

As a Senior Engineer on the Collaboration team, you will design and build the services that let creators work together, and increasingly, that let AI agents work alongside them. One of the areas is our flagship Team Create product, which enables creators to collaborate in real time with friends and coworkers. Just as important is the Creation Platform underneath it: the APIs and services that power external agents through MCP, along with Build on Roblox and other agentic products. You will be solving problems in scale, architecture, and design to build software that supports larger and better collaboration between teams of developers, artists, and the agents they bring into the loop. The ideal candidate has full-stack knowledge, experience on large-scale systems, enjoys solving complex software problems and has a passion for mentoring other engineers on the team.

We believe collaboration, larger teams, and AI-assisted creation are the future of building one's imagination on Roblox, and you will be designing the platform that makes it possible. Join us in our mission to make collaborative development performant, social, and most of all fun.

You Will:

Help and understand the needs of the community that uses our software, from beginning artists to professional scripters and designers.
Take ownership and responsibility for designing, building, testing, and deploying services within the Roblox ecosystem.
Own the Creation Platform that powers agentic products, including the APIs and services that agents reach through MCP.
Be a technical bar-raiser for high code quality, architectural designs, and long-term planning along with mentoring fellow engineers on the team.

You Have

Experience architecting, designing and leading implementation of a wide array of software products
Experience supporting mission-critical applications at scale
Proficiency in C#, C++, Java, Python or similar programming languages
Familiarity with agentic systems, harnesses and models

You Are:

An outstanding software engineer with 7+ years shipping high complexity code
Understanding of SQL and NoSQL databases at scale
You understand the components required to build modern large-scale infrastructure. You can recommend one route versus another and bring engineers to an agreement.
Comfortable designing platforms and APIs that other products, including AI agents, build on top of. Familiarity with MCP or similar agent tooling is a plus.

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.