Senior ML Engineer (Europe-based/Remote)

Sword Health

Remote regions

Europe

Salary range

$62,748–$98,604/yr

Benefits

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What you’ll be doing:

  • Own ML projects end-to-end: take problems from exploration through production deployment and keep iterating once real users are on them.
  • Build agentic LLM systems: design multi-step workflows with tool use, retrieval, and orchestration, and make them reliable enough for clinical settings.
  • Treat evaluation as core engineering work: build eval sets, offline and online harnesses, LLM-as-judge pipelines with human review, and regression tests.

What you need to have:

  • Experience shipping ML systems to production that people actually depend on.
  • Hands-on LLM work in production: prompting, retrieval, tool calling, and agent-style workflows.
  • A rigorous approach to evaluation: you've built eval datasets and frameworks, and you can tell a real improvement from noise.

Bonus points:

  • Experience with fine-tuning or preference optimization (RLHF, DPO, or similar).
  • Healthcare AI, or other high-stakes domains where errors carry real cost.
  • Built agent frameworks or evaluation tooling from scratch.

Sword Health

We are building AI to heal billions and unlock humanity's full potential, pioneering a new approach to healthcare. With over 1 million members, 15 million AI sessions, and $500 million raised, we are defining a new standard for healthcare.

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