Roblox
Principal Software Engineer, App Performance
$295K–$345K
San Mateo, CA, United States · Principal · Full-time · Posted Oct 5, 2026
- Experience
- 10+ years.
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates whose US work authorization is related to certain U.S. visa categories, or support future H-1B sponsorship at this time.
About the job
Lead cross-platform efforts to improve Roblox’s app stability, performance, and resilience across mobile, desktop, and console.
What you'll do
- Research opportunities and deliver roadmaps for stability and resilience improvements across target platforms.
- Design solutions to detect and mitigate crashes, hangs, and other interruptions, including monitoring, alerting, and CI/CD automation.
- Coordinate priorities, tradeoffs, and rollouts with Engineering, Product, and Design; deliver scalable improvements and regression-prevention measures.
What they ask for
- 10+ years of experience working with complex client application codebases.
- Proficiency in C++.
- Hands-on performance profiling and issue triage on mobile or desktop, with deep understanding of platform APIs and best practices.
- Ability to build reliable systems for measurement, monitoring, and regression prevention.
Nice to have
- Knowledge of Lua or other scripting languages.
Pay
$295,250 — $345,040 USD (base salary)
Tools
C++, Lua, CI/CD
Model-written summary · the original posting is authoritative