Senior Software Engineer, Systems

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.

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 is a huge plus

Interest in AI-powered developer tools such as Claude Code, Codex, and Pi.

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.

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 .

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).