Machine Learning Engineer (Greater London)

London Full-Time No home office possible

Direct message the job poster from The Portfolio Group

Chief Operations Officer at The Portfolio Group | Executive Recruitment & Search Assignments.

An exceptional opportunity to join an innovative, high-growth organisation shaping the future of AI-powered automation and digital interaction.

We’re seeking a Machine Learning Engineer with full-stack development experience to work on cutting-edge projects involving Generative AI, Retrieval-Augmented Generation (RAG), and multi-agent reasoning frameworks.

This is a hands-on, end-to-end engineering role with impact across the full ML lifecycle – from experimentation to deployment.

Conversational AI & Reasoning: Design, fine-tune, and deploy advanced LLMs with agentic capabilities
RAG Pipelines: Build and optimise scalable pipelines for structured and unstructured data retrieval
LLM Training & Fine-Tuning: Use methods like LoRA, QLoRA, SFT, PEFT, and RLHF
Inference & Acceleration: Serve models using vLLM, DeepSpeed, Triton, TensorRT
Multi-Agent Orchestration: Work with LangChain, AutoGen, CrewAI, DSPy and similar tools
Cloud & MLOps (AWS): Deploy with SageMaker, Bedrock, Lambda, S3, ECS, EKS
Full-Stack Integration: Build APIs (FastAPI, Flask) and integrate with React, TypeScript, Node.js

Required skills & experience:

3–5+ years of experience in ML engineering and software development
Deep Python proficiency, with PyTorch, TensorFlow or Hugging Face
Proven experience with LLMs, RAG, and deploying cloud-native AI on AWS
Strong full-stack skills (React, TypeScript, Node.js) and API development
Familiarity with vector databases and multi-agent frameworks

Apply now to join this high growth and award-winning organisation with the opportunity to be part of building the future of AI driven projects and solutions. The role offers a highly competitive salary and benefits package and will be office based in London.

Seniority level

Seniority levelAssociate

Employment type

Employment typeFull-time

Job function

Job functionInformation Technology
IndustriesBusiness Consulting and Services

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