Roblox

Principal Software Engineer, App Performance

Roblox
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7 hours ago
San Mateo, CA, USAStaff+

Base Salary

$295k - $345k/yr

Responsibilities

  • Research performance and stability opportunities and drive roadmaps across supported platforms.
  • Design solutions to prevent and mitigate crashes, hangs, and other interruptions to user experience.
  • Build real-time monitoring, alerting, and CI/CD automation for early detection of stability anomalies.
  • Partner with Engineering, Product, and Design stakeholders on priorities, tradeoffs, and rollout plans.
  • Deliver scalable performance improvements and guardrails across mobile, desktop, and console platforms.

Requirements

  • 10+ years of experience working with complex client application codebases.
  • Proficiency in C++.
  • Knowledge of Lua or other scripting languages is a plus.
  • Hands-on experience with performance profiling and issue triage on mobile or desktop platforms.
  • Deep understanding of platform APIs and best practices for performance and robust code.
  • Ability to work through ambiguity, learn unfamiliar codebases, and take projects from greenfield or MVP through production.
  • Ability to build reliable systems for measurement, monitoring, and regression prevention.

Benefits

  • Full-time employees are eligible for equity compensation and benefits.
  • For office-based roles, onsite work is required Tuesday, Wednesday, and Thursday, with optional Monday and Friday presence unless otherwise noted.
  • For roles based at the San Mateo, California headquarters, the annual base salary range is $295,250–$345,040 USD.

Tech Stack

C++Lua

Categories

Gaming
Roblox

About Roblox

5,001-10,000 employees

Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.

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