Senior LLM Evaluation & Coding Engineer (Remote EU)

Braintrust is hiring experienced software engineers to join our evaluation and annotation team for a contracting engagement. The role focuses on real-world software engineering, model evaluation, and applied AI, aiming to improve model reliability, reasoning, and code quality.

You will design challenging coding tasks, evaluate model outputs against rigorous benchmarks, identify failure modes, and contribute to reinforcement learning and model improvement workflows.

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