Senior Machine Learning Engineer - GenAI, LLM, RAG

Senior Machine Learning Engineer - GenAI, LLM, RAG

Full-Time 80000 - 98000 Β£ / year (est.) No working from home possible
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At a Glance

  • Tasks: Design, build, and deploy cutting-edge GenAI applications using Python and modern libraries.
  • Company: Join a forward-thinking tech company at the forefront of AI innovation.
  • Benefits: Competitive pay, flexible working options, and opportunities for professional growth.
  • Other info: Dynamic role with a focus on collaboration and continuous learning.
  • Why this job: Make a real impact by developing production-grade AI systems that shape the future.
  • Qualifications: Hands-on experience in machine learning and strong engineering skills required.

The predicted salary is between 80000 - 98000 Β£ per year.

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

Senior Machine Learning Engineer - GenAI, LLM, RAG employer: Puritas Group

Join a forward-thinking company that values innovation and collaboration, where as a Senior Machine Learning Engineer, you'll have the opportunity to work on cutting-edge GenAI applications in a dynamic environment. With a strong emphasis on employee growth, we offer continuous learning opportunities and a supportive culture that encourages creativity and teamwork. Located in a vibrant tech hub, our workplace fosters a balance between professional development and personal well-being, making it an ideal setting for those seeking meaningful and rewarding employment.

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Contact Details:

Puritas Group Recruitment Team

We think you need these skills to ace Senior Machine Learning Engineer - GenAI, LLM, RAG

Machine Learning Engineering
GenAI Applications Development
Production Systems Design
Python Programming
LLM Integration
LangChain
LangSmith