13 of 13 Permanent LangChain Jobs in Central London

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
tuning Practical knowledge of RAG (Retrieval-Augmented Generation) architectures, including chunking strategies, vector embeddings, and similarity search Familiarity with LLM orchestration frameworks such as LangChain, LlamaIndex, or similar Experience designing and building agentic systems — tool-calling agents, multi-step reasoning, and human-in-the-loop workflows Understanding of MCP (Model ...

Director of AI Engineering

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
design and deployment of scalable AI solutions across Python, .NET, and cloud-native platforms Drive adoption of advanced frameworks (PyTorch, TensorFlow, Hugging Face, LangChain) Oversee integration of LLMs (OpenAI, Anthropic, Gemini, Mistral) via enterprise platforms (Azure OpenAI, Vertex AI) Implement RAG architectures and manage vector databases (Pinecone, Weaviate, FAISS, Milvus ...

AI Architect

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Generative AI & LLMs, RAG (Retrieval-Augmented Generation), Agentic AI frameworks Hands-on with; LLMs (OpenAI, Llama, Claude, Mistral), Vector DBs (Pinecone, Weaviate, FAISS), Frameworks (LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph) Strong Python + ML frameworks (PyTorch/TensorFlow) Experience deploying on AWS, Azure, or GCP Experience leading or influencing technical teams ...

AI Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum
Express Experience building microservices architectures React and TypeScript front end development experience Familiarity with Next.js or Vite Experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Exposure to Retrieval Augmented Generation or AI agents ...

Senior Data Scientist (AI) - 12 Month FTC

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
days per week in London office • Contract: 12-month FTC (maternity cover) • Tech stack: Python, GCP, APIs, Docker, Kubernetes, CI/CD, LLMs, RAG, LangChain/LlamaIndex • Sponsorship: Cannot sponsor Interested? Please apply below. ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
Familiarity with LLM evaluation strategies and how to measure whether your system is actually working Hands-on with AI orchestration frameworks: LangGraph, LangChain, DSPy or equivalent Knowledge of model optimisation for production deployment (quantisation, distillation, fine-tuning approaches) is a strong plus for at least one of these roles Attributes ...

Data Scientist

Hiring Organisation
Russell Tobin
Location
City of London, London, United Kingdom
agentic AI systems into production environments — not just prototypes. Key experience required: • Python and production-grade coding • LLMs, AI Agents & Agentic Workflows • LangChain/LangGraph or similar frameworks • RAG Systems • MCP/FastMCP/FastAPI architectures • Cloud platforms (AWS, Azure, or GCP) • AI system deployment, orchestration & optimisation. This role offers ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £55000/annum pension, health care, perks
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

AI Engineer/Developer

Hiring Organisation
Michael Page
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 75,000 Annual
following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

Python Developer

Hiring Organisation
Station
Location
City of London, London, United Kingdom
Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance, reliability, and scalability Contributing to architectural decisions in a growing engineering team What ...

Test Automation Manager

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
hands-on experience with GenAI, (e.g. Playwright with MCP). Experience with AI-assisted coding tools (e.g., GitHub Copilot, Claude) is required, knowledge of LangChain or LangGraph, and cloud environments is a plus You are familiar with testing within cloud environments such as AWS, Azure You love working with people ...

AI Automation Product Manager

Hiring Organisation
Green - Recruiting Made Simple
Location
City of London, London, United Kingdom
teams with equal ease Commercially minded: focused on measurable impact, not impressive demos Bonus Points For Hands-on experience with agentic frameworks or tools — LangChain, LangGraph, CrewAI, AutoGen, or similar Experience with orchestration and automation platforms like n8n, Make or Zapier Familiarity with evaluation, red-teaming or safety design ...

Front End Engineer - AI

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
Core Pod to adopt and influence reusable assets, frameworks, and integration patterns Design and implement LLM-powered agent workflows using frameworks such as LangChain, LangGraph, or CrewAI Develop prompt chains , agent tools, and custom modules that support reasoning, summarization, and multi-step task execution Integrate agents with enterprise systems (e.g. … solutions Strong proficiency in Python , with hands-on experience using FastAPI , REST APIs, and background task orchestration Deep familiarity with agentic frameworks such as LangChain , LangGraph , CrewAI , ReAct , or similar Understanding of LLM orchestration , including prompt design, tool usage, context management, and agent memory Experience integrating with enterprise systems ...