Staff / Principal Machine Learning Engineer

Principal Machine Learning Engineer focuses on impact comes before everything else, though we support sharing work and open-source contributions that move the field forward.

What the role involves

• Impact comes before everything else, though we support sharing work and open-source contributions that move the field forward.
• Flat structure, fast iterations, minimal process theater.

Skills and requirements

• Model Acceleration . Hands-on experience with quantization, distillation, caching strategies , continuous batching, paged attention, and speculative decoding.
• Distributed Systems & Scaling. Experience with Kubernetes, Ray, custom load balancing, multi-GPU/multi-node inference, and reliably handling thousands of concurrent connections.
• Background. PhD in CS, Physics, Math, or equivalent practical experience building backend or ML systems.

Confirmed role details

• Time position is £140,000 – £200,000.
• In addition to base pay, total compensation includes equity and benefits.
• Within the range, individual pay is determined by work location, level, and additional factors, including competencies, experience, and business needs.
• The base pay range is subject to change and may be modified in the future.

Candidate fit

• technical judgement, safe working habits, careful diagnostics, and practical problem-solving

Additional role context

• Today our models are the #1 ranked realtime voice models in the world.
• Representing 100s of millions of end users.
• We’ve raised more than $125M from Lightspeed, Section 32, Kleiner Perkins, Microsoft’s M12 venture fund, Founders Fund, Meta and Stanford, among others.

Known job details

• Pay: £140,000 – £200,000