Senior Software Engineer, Systems (AI)

Location: San Mateo, California, United States; onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday

Salary: $196,750–$243,290 USD per year

Company

Roblox builds a platform and tools for creating and sharing 3D immersive digital experiences.

What you will do

• Improve developer workflows by identifying engineering problems, designing productivity tools, shipping solutions, and measuring their impact.
• Build AI agent sandboxes and harnesses in C and Rust.
• Develop integrations and context agents for Roblox’s C++ game engine codebase.
• Take solutions from early experiments to reliable tools used by engineers every day.
• Partner with technical leaders across Engine and Infrastructure teams.

Requirements

• 5+ years of software engineering experience, including projects built 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.
• Ability to turn ambiguous developer needs into practical solutions, work independently, and learn unfamiliar systems.
• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field, or equivalent practical experience.
• For US-based roles, certain US work authorization categories may not be supported, and future H-1B sponsorship may not be available.

Nice to have

• Experience with or interest in JavaScript, TypeScript, or React.
• Interest in AI-powered developer tools such as Claude Code, Codex, and Pi.

Culture & Benefits

• Work on tools that support hundreds of engineers developing the game engine, desktop clients, apps, and Roblox Studio.
• Full-time employees are eligible for equity compensation and company benefits.
• Equal employment opportunities and reasonable accommodations are provided during the recruiting process.