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Senior Machine Learning Engineer - GenAI, LLM, RAG

The City, Central London💼 Full-time💰 $68,349–$68,349🗓 2026-05-15 → 2026-08-07

Core

Design, build, deploy, and monitor production-grade GenAI applications integrating LLMs, RAG pipelines, and agentic workflows.

Role type

Senior Machine Learning Engineer (GenAI/LLM)

Builds

Production GenAI applications, LLM-powered systems, RAG pipelines, and agentic workflows

Domain

Generative AI, Large Language Models, Retrieval-Augmented Generation

Deliverable

production ML models

Required skills

Python engineering, LLM behavior understanding, RAG pipeline design, vector store implementation, agentic workflow design, monitoring and guardrails, full-stack ML lifecycle management

Preferred skills

Experience with LangChain, LangSmith, LlamaIndex, multi-step reasoning systems, latency and cost optimization

Technologies

Python, LangChain, LangSmith, LlamaIndex

Responsibilities

Build production-grade GenAI applications, develop LLM-powered systems, design RAG pipelines, implement agentic workflows, build monitoring frameworks, integrate LLMs into application architectures

Seniority

Senior, hands-on IC

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