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Senior ML Engineer

Sword Health

Remote · Europe€5,000–7,083 gross/mofull-timeAI model trainingSword Health Careers

At Sword, we’re building AI to heal billions and unlock humanity’s full potential. In doing so, we’re pioneering AI Care, a fundamentally new approach to healthcare built for medical reasoning, safety, and real-time treatment, not generic technology applied after the fact.

Responsibilities

  • 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 that catch quality drops before they reach users
  • Improve model quality with whatever fits the problem: prompting, retrieval, distillation, or fine-tuning, chosen on evidence rather than habit
  • Work across the full AI stack: data prep, model adaptation, serving, monitoring, and the feedback loops that keep systems improving in production
  • Partner with Product, Clinical, and Engineering: translate clinical requirements into technical decisions and surface tradeoffs early
  • Help the team get better: review code, share what you learn, and mentor engineers earlier in their careers.

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    9 Sept 2026
    Last verified
    In the last 5 days

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