Lead AI Engineer Global Trade Compliance

Sphere seeks a senior AI engineer to lead TRAM, our proprietary AI reasoning model for global trade law. You’ll build data pipelines ingesting legal sources, the model stack producing structured evidence, and evaluation loops to ensure accuracy—aiming for millisecond latency with zero downtime. Work closely with tax experts and frontier labs to reinforce fine-tuning and model robustness as the system scales to billions of transactions.

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