Roblox
Principal Software Engineer, Build
$295K–$345K
San Mateo, CA, United States · Principal · Full-time · Posted Sep 30, 2026
- Experience
- 8+ years; no alternative stated.
- Education
- BS degree in Computer Science or a similar technical field, or equivalent professional experience.
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates whose work authorization is related to certain U.S. visa categories or support future H-1B sponsorship at this time.
About the job
Lead development of Build and Studio Assistant surfaces, delivering AI-powered tools that help Roblox creators create, iterate on, publish, and grow their games.
What you'll do
- Develop across Build and Studio Assistant surfaces, including end-to-end features for AI-assisted iteration, editing, monetization, analytics, and onboarding.
- Own projects from technical specification through execution and launch; collaborate with product, design, and other teams.
- Mentor engineers and promote execution quality and velocity.
What they ask for
- 8+ years of hands-on working experience and a BS degree (or equivalent professional experience) in Computer Science or a similar technical field.
- Experience with C++, Luau, JavaScript, or TypeScript.
- Experience managing complex codebases and system architecture/design.
- Experience driving cross-functional projects to build consumer-facing products.
Nice to have
- Experience building agentic tools.
- Familiarity with A/B testing.
Pay
$295,250 — $345,040 USD (base salary)
Tools
React, Luau, C++, TypeScript, Javascript
AI focus
Develop AI-powered creator workflows, including AI-assisted iteration and tools that can generate and refine playable games from text.
Model-written summary · the original posting is authoritative