London, United Kingdom Remote (Country)

Sword Health is hiring a Senior Research Engineer (Europe/UK - Remote)

About the Role

Shape the future of clinical AI as a Senior Research Engineer, driving machine learning models from research to real-world impact. You'll take ownership of the full model lifecycle—training, fine-tuning, deployment, monitoring, and iteration—within a live healthcare environment where reliability and safety are paramount.

What You’ll Do

  • Lead the end-to-end development of production-grade AI models, applying techniques like supervised fine-tuning and reinforcement learning with human feedback
  • Design and maintain data pipelines and evaluation systems that support continuous model improvement
  • Ensure models remain effective over time by monitoring for performance drift and implementing timely updates
  • Establish strong engineering standards across research teams, emphasizing code quality, testing, reproducibility, and documentation
  • Act as the key technical link between research and engineering, translating experimental insights into scalable product features
  • Guide researchers in adopting production-oriented practices and foster collaboration across disciplines

What We’re Looking For

  • Advanced degree (PhD or MSc) in a STEM field, preferably Computer Science
  • At least four years of experience combining machine learning research with software engineering, with a track record of deploying models to production
  • Hands-on expertise in Python, SQL, and modern development workflows including version control, testing, and CI/CD
  • Experience with large language model fine-tuning, post-training methods, and evaluation in real-world settings
  • Ability to mentor and influence research teams to adopt robust engineering principles
  • Skill in communicating complex technical concepts across research and engineering functions
  • Comfort operating in fast-moving environments with evolving requirements, while maintaining rigorous quality and safety standards

Nice to Have

  • Background in startup or high-growth environments
  • Experience with cloud platforms such as GCP (Vertex AI) or AWS (SageMaker)
  • Published work in machine learning, natural language processing, or related areas
  • Familiarity with LLM orchestration tools and agentic workflow design

Work Environment

Remote within Europe or the UK, with team hubs in London, Lisbon, and Porto. This role thrives on collaboration across time zones, blending innovation in AI with real-world clinical impact. The environment is fast-paced, iterative, and deeply committed to ethical, scalable healthcare solutions.

Required Skills
PythonSQLTypeScriptversion controltestingCI/CDLLM fine-tuningSFTRLHFmodel evaluationGCPmachine learning engineeringsoftware development best practicesresearch to productionmentoring PythonSQLTypeScriptversion controltestingCI/CDLLM fine-tuningSFTRLHFGCPmachine learning engineeringmodel evaluationproduction deploymentsoftware development best practicesresearch-to-production
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About company
Sword Health
Sword Health builds an AI Care platform that delivers world-class healthcare through AI, starting with pain care and expanding into women’s health, movement health, and mental health. The platform enables healthcare organizations to reduce costs while improving accessibility and quality of care.
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Job Details
Department AI & Algorithms – AI Research
Category data
Posted 2 months ago