# Principal Software Engineer, App Performance at Roblox

- Company: Roblox
- What the company does: Roblox is a global platform where millions of people gather together every day to imagine, create, and share experiences with each other in immersive, user-generated 3D worlds. Backed by First Round.
- Company website: https://hbr.org/2022/03/the-ceo-of-roblox-on-scaling-community-sourced-innovation
- Type: Startups
- Level: Principal and up
- Location: San Mateo, CA, United States
- Work setup: On-site
- Posted: 2026-10-05
- Apply by: 2026-11-23
- Apply: https://careers.roblox.com/jobs/8233354?gh_jid=8233354&utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/roblox-principal-software-engineer-app-performance/

## About the role

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- 10+ years of experience: working with complex client application codebases, proficiency in C++, knowledge of Lua or other scripting languages is a plus
- Comfort with ambiguity: able to dive into unfamiliar codebases, unblock yourself, and take projects from greenfield/MVP → production-grade
- Systems thinking: ability to build systems that work and keep on working reliably (measurement, monitoring, regression prevention)

Tags: Software Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/roblox-principal-software-engineer-app-performance/