# Principal Software Engineer - Models at CoreWeave

- Company: CoreWeave
- What the company does: CoreWeave is the force multiplier that empowers pioneers with momentum, magnitude, and mastery—enabling them to innovate with confidence. Explore the #1 AI Cloud.
- Company website: https://www.coreweave.com
- Type: Startups
- Level: Principal and up
- Location: San Francisco, CA, Bellevue, WA, Sunnyvale, CA, New York, Livingston, NJ
- Work setup: On-site
- Pay: $227K to $303K base salary per year (USD)
- Posted: 2026-09-18
- Apply by: 2026-11-02
- Apply: https://coreweave.com/careers/job?4713940006&board=coreweave&gh_jid=4713940006
- Page: https://www.1752.vc/careers/jobs/coreweave-principal-software-engineer-models/

## About the role

You will own the frontend architecture of the W&B app, the product ML researchers and engineers work in every day, and be accountable for app performance, stability and reliability.

## What they're looking for

- 8+ years building user-facing software, with deep expertise in frontend architecture and performance
- Have led the transformation of a large, long-lived React application with a focus on performance, product impact and dev experience and owned the outcome
- Strong command of React and TypeScript, with production experience in GraphQL and a modern state management approach such as Redux or Zustand, including opinions on when each is the right tool
- Real performance engineering skill: you can instrument an application, read both frontend and backend traces, determine precisely where time is going, and prove the improvement with numbers
- Solid client-side caching fundamentals, including normalization, invalidation, and the failure modes that appear at scale
- Hands-on experience with bundlers and build tooling, and clear views on code splitting and delivery tradeoffs

Tags: Technology