Principal Software Engineer, Core Services

RobloxSan Mateo, CA

$345,040–399,420/yr

Apply on Roblox’s site

Posted Sep 28, 2026

What you’d do

Build and evolve reusable libraries, SDKs, frameworks, and runtime infrastructure used by multiple teams, working in C#/.NET and Rust. Based in San Mateo, CA. Found on the employer's careers page on Sep 29, 2026. Apply through the link.

Our summary of the listing. The full listing has the details.

Know before you apply

Members see how long this job has really been open, how many people have applied, and people at Roblox to connect with on LinkedIn. It’s free.