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Salary: USD 196,750 - 243,290 / annual
Roblox is building the platform and tools that empower a global community of developers and creators to build immersive 3D experiences. The company's vision is to connect a billion people with optimism and civility.
Portal, part of Roblox's Engine Productivity team, builds productivity tools for hundreds of engineers developing Roblox's game engine, desktop clients, apps, and Roblox Studio. As a Senior Software Engineer on this small team with broad reach, you will build systems that bring AI agents into engine development workflows. You will help identify where AI can meaningfully improve engineering productivity and take solutions from early experiments to reliable tools that engineers use every day.
Key responsibilities:
- Own improvements to developer workflows, from identifying problems with engineers to designing and shipping productivity tools and measuring their impact
- Build AI agent sandboxes and harnesses written in C and Rust, along with the integrations and context agents needed to work effectively in Roblox's C++ game engine codebase
- Partner with technical leaders across Roblox's Engine and Infrastructure groups to deliver reliable tools and improve the daily experience of engineering at Roblox
The role is based in San Mateo with onsite presence Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.
Requirements:
- 5+ years of software engineering experience working on projects from 0 to 1
- Experience owning substantial parts of a developer tool or system through design, launch, and ongoing operation
- Systems programming experience in C, C++, or Rust
- Experience with or interest in Web technologies such as JavaScript, TypeScript, and/or React (a plus)
- Interest in AI-powered developer tools such as Claude Code, Codex, and Pi
- Ability to turn ambiguous developer needs into practical solutions, work independently, and learn unfamiliar tools and systems
- Bachelor's degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience
