Hybrid role reporting to a Senior Staff Software Engineer.
Collaborate with foundation model training teams to determine data mixtures, curricula, objectives
Design global-scale data pipelines to update and reuse data mixtures as datasets evolve.
Develop and deploy data-selection algorithms to find targeted subsets for fine tuning and RL.
Run large-scale empirical studies linking pre-training data to post-training performance and
Collaborate with behavior, perception, and evaluation teams to test foundation models and measure

🎯 Requirements

PhD in ML or AI/CS, or MSc with strong academic publication record
Strong statistical / ML knowledge
Proficiency in Python
3+ years of experience with modern deep learning frameworks: JAX, TensorFlow/PyTorch

🎁 Benefits

Salary range: £123,000 – £129,000 GBP
Discretionary annual bonus, equity incentive plan, and generous benefits program
Hybrid work model with opportunities across UK sites

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