Kraken

Senior Machine Learning Engineer – AI Foundry

Kraken

full-time

Posted on:

Location Type: Remote

Location: United Kingdom

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Job Level

Senior

Tech Stack

Python

About the role

  • Help us use technology to make a big green dent in the universe!
  • Join our AI Foundry team focused on solving high-impact problems by building production-grade internal AI tooling.
  • Work closely with product, backend engineers, and operational stakeholders to deliver tools that directly improve how we serve clients and run Kraken.
  • Build and ship LLM-powered internal tools that improve knowledge access, reduce time spent on discovery, and support client delivery outcomes
  • Take ownership of projects end-to-end: problem framing → experimentation → engineering → production deployment → monitoring and iteration
  • Design and operate LLM systems in the real world (quality, latency, cost, reliability), including strong evaluation practices and fast feedback loops
  • Use classic ML / data science skills to complement LLM approaches where appropriate (e.g., ranking, classification, analytics, measurement)
  • Collaborate closely with backend engineers, product, and internal users (including Client Delivery Leads) to define MVPs, iterate quickly, and drive adoption
  • Contribute to a culture of strong engineering practices, pragmatic experimentation, and continuous learning

Requirements

  • Proven experience using **LLMs in production** (beyond a proof of concept) - you can clearly explain what shipped, what users needed, and how you managed trade-offs
  • Strong **end-to-end delivery** experience: you’ve taken ML/LLM work into production and owned it beyond launch
  • Solid **data science and analysis** skills: you’re comfortable working with large datasets, defining metrics, evaluating system performance, and diagnosing failures
  • High proficiency in **Python** (this is the core language across our data and ML stack)
  • Comfort operating in ambiguity: you can move from a fuzzy problem to a clear plan, validate assumptions quickly, and iterate
Benefits
  • Flexible work arrangements
  • Professional development opportunities
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
LLMsdata sciencePythonmachine learninganalyticsclassificationrankingsystem performance evaluationproblem framingproduction deployment
Soft Skills
end-to-end deliverycollaborationownershipadaptabilitypragmatic experimentationcontinuous learningcommunicationiterationdiagnosing failuresvalidating assumptions