Principal Software Engineer, Core Services
Roblox · San Mateo
Don’t apply blind. See how your CV matches Software Developer first — free, in 30 seconds.
You will leave NewLuxJob. We do not receive or handle applications.
- Company
- Roblox
- Location
- San Mateo
- Salary
- $345,040 — $399,420
- Posted
- September 28, 2026
About this job
Core Services builds the foundational services and software infrastructure behind Roblox’s global platform. Our work includes the C#/.NET and Rust frameworks, shared libraries, and runtime integrations that engineers use to build and operate production services. As a Principal Software Engineer on the Core Services team you will solve problems spanning distributed systems, concurrency, memory management, API design, and developer experience. You will improve the performance and reliability of our C# ecosystem, expand our Rust infrastructure, and develop shared components and interoperability patterns across both languages. Your work will help teams adopt better foundations safely, with improvements that compound across Roblox’s service fleet.…
This is a short summary.
Want to know if you're a fit? Check your CV against this role — free, in 30 seconds.
Most-requested skills in the United States
Based on 937 United States vacancies that list requirements, these are the skills employers ask for most often.
- Python56% of postings
- AWS39% of postings
- Java38% of postings
- CI/CD33% of postings
- Kubernetes32% of postings
- Agile/Scrum28% of postings
- React22% of postings
- SQL20% of postings
Similar jobs
See if your CV fits this job
Paste your CV for an instant match score against this role — and get a tailored cover letter in one click.
- Instant match score for this role
- Tailored cover letter in one click
- Free — no credit card