# Principal Software Engineer, Build Platform 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: 2026-11-04
- Apply by: 2026-12-19
- Apply: https://careers.roblox.com/jobs/8221568?gh_jid=8221568&utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/roblox-principal-software-engineer-build-platform/

## 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

- 8+ years of experience building and operating large-scale distributed systems, including technical leadership across multiple teams
- Deep experience designing backend platforms used by other engineering teams
- Hands-on experience with production AI/ML systems, such as model serving, orchestration, LLM integration, or agentic execution loops (planning, tool use, recovery, long-running workflows)
- A strong understanding of tool and skill design and structured evaluation for AI systems
- The judgment to weigh tradeoffs and make pragmatic calls under ambiguity
- A BS in Computer Science or a related field, or equivalent professional experience

Tags: Software Engineering

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