Applied AI Engineer: RL Environments & Evaluation

Company: Aptura
Apply for the Applied AI Engineer: RL Environments & Evaluation
Location: London
Job Description:

Aptura in London seeks a Member of Technical Staff for Applied AI to build tasks and environments used to evaluate agents in finance, healthcare, and legal domains. You will construct RL environments around real-world spreadsheets, documents, and workflows, write verification logic and reward signals, and collaborate with domain experts to define what constitutes a correct answer for real-world models.

This role blends engineering and research, with ownership of end-to-end ground truth

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Posted: October 21st, 2026