Humand Talent
Principal Machine Learning Scientist ID49000
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Principal Machine Learning Scientist
£135,000–£160,000 + Bonus | London / Oxford | Hybrid - 1 day per week in office
Our client is looking for a Principal Machine Learning Scientist to help shape the technical direction of sophisticated, production-scale ML systems.
This is a senior individual contributor role with significant influence over architecture, technical standards and ML strategy — while remaining hands-on.
Why This Role is Great
- Shape search, ranking, recommendation and personalisation systems.
- Own complex ML challenges from concept through to production.
- Work with retrieval, embeddings, sequential modelling and multi-objective optimisation.
- Influence ML architecture, experimentation and MLOps.
- Mentor experienced ML specialists while staying technical.
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About You
We're keen to hear from people with strong production ML experience, particularly across search, retrieval, ranking, recommendations or personalisation.
Experience with Python, PyTorch/TensorFlow, cloud infrastructure and distributed ML would be valuable. Exposure to Generative AI, agentic AI or graph-based ML is a bonus, not a requirement.
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The Package
£135,000–£160,000 + annual bonus, with a wider benefits package and flexible hybrid working.
Typically, you'll spend around one day per week in London or Oxford.
Interested?
If you're a Principal, Staff or Senior Staff-level ML specialist looking for greater technical ownership without stepping away from hands-on work, we'd love to hear from you.
Don't tick every box? Apply anyway. Transferable and adjacent experience is welcome.
Humand Talent and our client are committed to inclusive hiring and welcome applications from people of all backgrounds.
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