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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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