Principal Software Engineer, App Performance & Stability

Roblox; San Mateo (CA); On-site; USD 295,000 - 345,000; Full time

Benefits offered by this job

Equity compensation

Full benefits

Job summary

Roblox is seeking a Principal Software Engineer for the Consumer App Performance team in San Mateo. You will spearhead stability and performance improvements across a cross‑platform C++ game engine and front‑end code, collaborating with teams across the company to deliver measurable, scalable improvements.

The role emphasizes deep profiling, platform API expertise, and building robust systems that remain reliable under changing conditions, with equity compensation and full benefits for full‑time

Qualifications

• 10+ years of experience with complex client application codebases.
• Proficiency in C++, knowledge of Lua or scripting languages is a plus.
• Strong ability to profile performance and triage issues on mobile or desktop platforms.

Responsibilities

• Drive research of new opportunities and roadmaps to improve stability across target platforms.
• Design solutions to prevent and mitigate crashes, hangs, and interruptions affecting user experience.
• Build defense mechanisms for real-time monitoring, alerting, and CI/CD automation.

Skills

C++

Lua

Performance profiling

Job description

Roblox is seeking a Principal Software Engineer for the Consumer App Performance team in San Mateo. You will spearhead stability and performance improvements across a cross‑platform C++ game engine and front‑end code, collaborating with teams across the company to deliver measurable, scalable improvements.

The role emphasizes deep profiling, platform API expertise, and building robust systems that remain reliable under changing conditions, with equity compensation and full benefits for full‑time