Principal Software Engineer, Build

Overview

Principal Software Engineer on the Build Surfaces team, leading projects that shape how everyone builds on Roblox across Studio and the Roblox App, including AI-powered creation workflows.

What you'll do

• Contribute to development across Build and Studio Assistant surfaces.
• Ship end-to-end features spanning AI-assisted iteration, direct editing, monetization, analytics, and onboarding.
• Mentor engineers on the team through formal mentoring and leadership by example.
• Own projects from technical specification, execution and launch.
• Collaborate with product, design and cross-team collaborators to uphold execution quality and velocity.

What you'll need

• 8+ years of hands-on working experience with a BS degree (or equivalent professional experience) in Computer Science, or a similar technical field.
• Experience in programming languages such as C++, Luau, Javascript, or Typescript.
• Experience with managing/navigating complex codebases and system architecture/design.
• Driven cross-functional projects to build consumer facing products.

Nice to have

• Experience building agentic tools.
• Familiarity with A/B testing.

Details

• Location: San Mateo, CA, United States (headquarters).
• Onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.
• Annual base salary range $295,250 to $345,040 USD.
• Eligible for equity compensation and benefits.
• For US based roles only: the Company may not be able to employ candidates who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.