Principal Software Engineer, Build

About the Role

As a Senior/Principal Software Engineer on the Build Surfaces team, you will lead projects that shape how everyone builds on Roblox, across both Studio and the Roblox App. Our team owns the AI-powered workflows that meet Players and Creators directly in their environment of choice.

We are building tools that span the full creation lifecycle, helping creators build, grow, and monetize. Today, Build lets you do all of this through text: generate a playable game from a sentence, iterate on gameplay and visual design, playtest the changes, publish, and discover insights to help your game grow. Your work will have a direct impact on millions of Creators by making creation more powerful, accessible, and seamless.

Responsibilities

• 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.

Qualifications

Minimum Qualifications

• 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.
• Track record of driving cross-functional projects to build consumer-facing products.

Preferred Qualifications

• Experience building agentic tools.
• Familiarity with A/B testing.
• Passionate about building great user-facing products through continuous improvements and rapid iterations with feedback.

Work Arrangement

Roles based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.