Lead AI Engineer is open at Sphere in San Francisco HQ. The posting gives a salary of $250K - $280K. Posted on Oct 7, 2025, and still on Sphere’s careers page when we last checked, on Nov 14, 2026.
About the role
You'll lead development of TRAM, our proprietary AI reasoning model that reads and interprets global trade law. This isn't a lookup problem, it's a reasoning problem — and it only became solvable with LLMs. You'll build the data pipelines that ingest legal sources, the model stack that produces structured evidence, the evaluation frameworks that measure accuracy, and the fine-tuning loops that improve performance…
The opening lines of the posting. The rest is on Sphere’s careers page.
Hiring at Sphere
Sphere has 17 open roles right now, 6 of them remote. Most are in Engineering, Sales & Business Development and Marketing & Community. See all its roles
