Machine Learning Engineer (LLMs)

Understanding Recruitment
Greater London, UK
4 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours

Tech stack

Artificial Intelligence Python (Programming Language) Machine Learning Pytorch Large Language Models Model Validation Generative AI SC Clearance Low Latency Machine Learning Operations

Job description

Machine Learning Engineer (LLMs)

Want to build and ship real-world AI products?

We’re looking for a Machine Learning Engineer to build production AI systems, with a focus on LLMs and generative AI.

You’ll work across the full ML lifecycle - from experimentation and evaluation through to deploying reliable systems into production.

What you’ll be doing

  • Building and deploying LLM-powered products
  • Working with RAG, fine-tuning and agentic AI
  • Developing evaluation and ML pipelines
  • Improving model performance, latency and reliability
  • Working closely with engineers and product teams to solve real-world problems

What we’re looking for

  • Strong Python and PyTorch
  • Hands-on experience with LLMs / Generative AI
  • Experience deploying ML models into production
  • Understanding of transformers and modern NLP
  • Experience with RAG, fine-tuning, evaluation or agents

What’s on offer

  • Competitive salary + equity
  • 7% pension
  • Private healthcare
  • Free daily meals
  • Significant technical ownership
  • Work on cutting-edge AI that is actually deployed in the real world

You’ll need the right to work in the UK and be eligible for UK SC clearance.

Requirements

  • Strong Python and PyTorch
  • Hands-on experience with LLMs / Generative AI
  • Experience deploying ML models into production
  • Understanding of transformers and modern NLP
  • Experience with RAG, fine-tuning, evaluation or agents

Benefits & conditions

  • Competitive salary + equity
  • 7% pension
  • Private healthcare
  • Free daily meals
  • Significant technical ownership
  • Work on cutting-edge AI that is actually deployed in the real world

You’ll need the right to work in the UK and be eligible for UK SC clearance.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.understandingrecruitment.com
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:59 min

Building culturally aware LLMs for global audiences

Werner Vogels Werner Vogels +1 · World Congress 2026 Europe

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Balancing delivery latency with stream reliability and scale

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Preventing remote code execution in PyTorch models

Balázs Kiss · World Congress 2023

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Applying large language models to infrastructure tasks

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Accessing API documentation and testing remote driving latency

Alexandru Ciinaru Alexandru Ciinaru +3 · World Congress 2025

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Compiling PyTorch environments for advanced time forecasting

Christoph Lohrmann Christoph Lohrmann +1 · World Congress 2026 Europe

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