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Data Flywheel Engineer — Turn Usage into ML Gains
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-08-29
Listing for:
Reflection
Full Time
position Listed on 2026-08-29
Job specializations:
-
IT/Tech
Data Engineering, AI Evaluation
Job Description & How to Apply Below
Location: Greater London
Reflection is seeking a hands-on Data Flywheel role in London to close the gap between benchmark performance and real-world results. You will lead data-driven evaluations, design graders and feedback loops, and scale pipelines across evaluation, data, and training initiatives.
You’ll work closely with researchers, engineers, and partners to turn signals into measurable model improvements, contribute to pre- and post-training efforts, and help shape the future of open foundational models.
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