Principal Software Engineer - Models
CoreWeave · San Francisco, CA, Bellevue, WA, Sunnyvale, CA, New York, Livingston
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- Company
- CoreWeave
- Location
- San Francisco, CA, Bellevue, WA, Sunnyvale, CA, New York, Livingston
- Salary
- $227,000 to $303,000
- Posted
- September 18, 2026
About this job
What You’ll Do 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. A single page in W&B assembles data from many parts of the product, which power different product features owned by different teams. Individually those requests are all reasonable; in aggregate they contribute to increased load times and a worse experience for users. Performance here is a question of composition: what queries each page needs before it can render, what queries can add to that set, and how those boundaries hold as the product grows. You'll define those boundaries and make the calls they depend on. This role is frontend-led but architecture-deep and organizationally wide.…
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