# Principal Software Engineer, GenAI 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 (AI role)
- Level: Principal and up
- Location: San Mateo, CA, United States
- Work setup: On-site
- Posted: 2026-10-27
- Apply by: 2026-12-11
- Apply: https://careers.roblox.com/jobs/8287614?gh_jid=8287614&utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/roblox-principal-software-engineer-genai-platform/

## About the role

Foundation AI builds the platforms, services, and infrastructure that enable machine learning and generative AI across Roblox. As a Principal Engineer on this team, you'll set technical strategy and direction across areas such as model training and inference, LLM services, agent infrastructure, data systems, experimentation, evaluation, and developer tooling. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- An undergraduate/graduate degree in computer science, a related technical field, or equivalent practical experience
- 8+ years of experience building and operating large-scale production software, distributed systems, cloud services, or related infrastructure
- A sustained track record of designing and owning foundational systems or platforms with organization- or company-wide impact
- Deep expertise in one or more of machine learning, generative AI, distributed systems, data infrastructure, or developer platforms, with the breadth to reason across all of them
- Expert proficiency in one or more of Go, Python, or Rust, and the judgment to choose the right tools for durable systems
- A history of setting technical direction across multiple teams and driving large, cross-organizational efforts to completion

Tags: Software Engineering

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