About the job
Portal, part of Roblox’s Engine Productivity team, builds productivity tools for the hundreds of engineers developing Roblox’s game engine, desktop clients, apps, and Roblox Studio. As a Senior Software Engineer, you will build the systems that bring AI agents into engine development workflows. On a small team with broad reach, you will help decide where AI can meaningfully improve engineering productivity and take solutions from early experiments to reliable tools engineers use every day.
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.
Qualifications
Minimum
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.
The ability to turn ambiguous developer needs into practical solutions, work independently, and learn unfamiliar tools and systems.
A bachelor’s degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience.
Preferred
Experience with or interest in Web technologies such as JavaScript, TypeScript and/or React is a huge plus
Interest in AI-powered developer tools such as Claude Code, Codex, and Pi.