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Senior Machine Learning Engineer - GenAI, LLM, RAG

Puritas Group
  • GB
    London, England, United Kingdom
  • GB
    London, England, United Kingdom

About

Senior Machine Learning Engineer - GenAI, LLM, RAG - 12 month contract
Im looking for Machine Learning Engineers (and Senior Data Scientists with strong engineering capability) who have real, hands-on experience building GenAI applications end-to-end. Not just prototypes, but production systems.
This is a full-stack ML Engineering role where youll design, build, deploy, and monitor GenAI applications that integrate LLMs as part of a wider system.
Youll be working on: Building production-grade GenAI applications using Python Developing LLM-powered systems with LangChain, LangSmith, and modern Python libraries Designing and implementing RAG pipelines, vector stores, and retrieval logic Building agentic workflows, tool-calling, and multi-step reasoning systems Implementing guardrails, safety layers, and controls Designing monitoring for latency, drift, hallucinations, cost, and safety signals Integrating LLMs into broader application architectures (APIs, services, orchestration) Working across the full lifecycle: data prep ? modelling ? evaluation ? deployment ? observability
Were lo...
  • London, England, United Kingdom

Languages

  • English
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