1 to 25 of 35 LangGraph Jobs in London

Artificial Intelligence Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£75,000
including prompt engineering, fine-tuning, and evaluation. Hands-on experience with core GenAI frameworks (e.g., LangChain, LlamaIndex) and Agentic AI frameworks (e.g., AutoGen, CrewAI, LangGraph). Proficiency in MLOps/LLMOps tools (MLflow, Kubeflow, Docker, Kubernetes). Strong working knowledge and practical deployment experience on major cloud platforms (AWS, Azure ...

AI Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
enterprise stack. Hands-on mastery of core GenAI frameworks (e.g., LangChain, LlamaIndex) and practical experience with Agentic AI frameworks and concepts (e.g., AutoGen, CrewAI, LangGraph). Strong working knowledge and practical deployment experience on at least one major cloud platform (AWS, Azure, GCP), including their AI/ML services. Strong ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Senior AI Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Stack: Hands-on experience with Amazon Bedrock APIs, SageMaker (Training Jobs, Inference Endpoints), and Vector Databases. · Frameworks: extensive experience with LangChain, LlamaIndex, or LangGraph for building agentic workflows. · LLM Techniques: Practical experience with Prompt Engineering (Chain-of-Thought, ReAct), RAG optimisation, and model evaluation techniques. Advantageous Skills · Middleware Integration: Practical ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
with biological or scientific data (e.g. genomics, transcriptomics, proteomics), or pharmaceutical industry experience, especially design of data visualisations Knowledge of agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen ...

Fullstack Software Engineer (Agentic AI)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with biological or scientific data (e.g. genomics, transcriptomics, proteomics), or pharmaceutical industry experience, especially design of data visualisations Knowledge of agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen ...

Lead Gen AI Engineer/Architect

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
source, or industry impact). Technical Excellence Expert Python and modern ML frameworks (PyTorch, TensorFlow). Strong experience with Generative AI tooling (e.g. LangChain, LangGraph or similar). Deep understanding of LLMs, prompt engineering, RAG, vector databases, evaluation, and security. Hands-on experience with fine-tuning, deploying, and monitoring large ...

Applied AI Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
startup environment. Proven track record building and deploying production-grade agentic systems — ideally automating complex, multi-step workflows. Hands-on experience with Mastra, LangChain, LangGraph, Vercel AI SDK, or similar agent orchestration tools. Strong understanding of LLM evaluation, prompt design, and domain-specific model tuning techniques. Deep understanding of large ...

Data Scientist

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
maintainable systems What You’ll Bring: Strong Python skills and production-grade coding experience Proven track record shipping LLM-powered systems (LangChain/LangGraph or similar) into production Hands-on experience with AI agents, agentic workflows, and multi-step reasoning Experience designing and implementing RAG systems with real-world impact ...

Data Scientist / Machine Learning Scientist

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
maintainable systems What You'll Bring: Strong Python skills and production-grade coding experience Proven track record shipping LLM-powered systems (LangChain/LangGraph or similar) into production Hands-on experience with AI agents, agentic workflows, and multi-step reasoning Experience designing and implementing RAG systems with real-world impact ...

AI Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
systems of record (core banking, CRM, risk, payments) Design audit ready agent interactions, tool usage logs, and decision provenance Select and standardize frameworks (e.g., LangGraph, Google ADK, MCP, A2A patterns) Hands on expertise with agentic frameworks (orchestrators) Experience with LLMs, prompt engineering, tool/function calling, memory management API first ...

AI Architect

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
record (core banking, CRM, risk, payments). Design audit-ready agent interactions, tool usage logs, and decision provenance. Select and standardize frameworks (e.g., LangGraph, Google ADK, MCP, A2A patterns). Hands-on expertise with agentic frameworks (orchestrators). Experience with LLMs, prompt engineering, tool/function calling, memory management. ...

Artificial Intelligence Engineer

Hiring Organisation
Onsera Health
Location
City of London, London, United Kingdom
discipline • Strong Python proficiency and hands-on experience building with LLMs (prompt engineering, RAG, function calling, agent frameworks) • Experience with agent orchestration frameworks (e.g., LangGraph) • Strong software engineering fundamentals such as writing clean code, version control, testing • Excellent communication skills and comfort working in fast-paced, cross-functional teams Preferred ...

Artificial Intelligence Engineer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
experience deploying LLM or agent-based systems into production Solid engineering fundamentals across orchestration, memory, deployment, and monitoring Experience with tools/frameworks like LangGraph, ReAct, CoT — or ability to build systems from first principles Familiarity with PyTorch/TensorFlow, RAG pipelines, vector DBs, and modern infra Background in startups ...

AI Graduate Engineers

Hiring Organisation
Tech Mahindra
Location
Greater London, England, United Kingdom
Models (LLMs) and their working principles . Knowledge of Agentic AI concepts and workflows. Preferable hands-on experience or understanding of Crew.AI, LangChain, and LangGraph for agent development . Awareness of protocols used in agentic systems (MCP ) . Basic programming skills in Python . Preferable hands-on experience with agentic ...

AI/ML Computational Science Sr Manager

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
systems that are robust, scalable, and client-ready. Key Responsibilities Lead Agentic DevOps Strategy: Define and implement scalable DevOps frameworks for agentic systems using LangGraph, Crew AI, Autogen, and other orchestration tools. Framework Development: Build reusable scaffolding for agent lifecycle management, orchestration, monitoring, and metering. Cloud-Native Deployment: Architect ...

Senior Software Engineer

Hiring Organisation
Keith
Location
London, England, United Kingdom
React/Next.js Experience building and operating scalable, secure systems - you understand infrastructure, observability and deployment pipelines Experience with AI agent orchestration frameworks (LangGraph, OpenAI Agent SDK, or similar) Strong architectural judgement - you'll be making foundational decisions about the stack, data model and system design Comfortable with security ...

Founding Engineer

Hiring Organisation
Letty
Location
London Area, United Kingdom
/CD pipelines. 🤖 You have 2+ years building and shipping AI agents and LLM-powered systems in production, including end-to-end orchestration (LangGraph or similar). 🔍 You have strong RAG experience. Structuring unstructured data, making it queryable by LLMs, hands-on with vector databases (Pinecone, pgvector, or similar). ...

Senior Full Stack Software Engineer

Hiring Organisation
RGH-Global
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
applications with a strong backend emphasis Strong command of React/Next.js and Python/TypeScript Experience with AI agent orchestration frameworks (e.g. LangGraph, OpenAI Agent SDK) The architectural judgment to make confident decisions on a fast-moving, greenfield stack A background in high-growth, VC-backed startups — you thrive ...

Data Scientist

Hiring Organisation
Marshall Wolfe
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
statistics, or similar Experience with Python, LLMs, and Generative AI Proven ability to evaluate and improve model performance Experience with tools like LangChain or LangGraph Fluent Spanish (essential) Ideal for someone who enjoys the “why behind the model” as much as the output. ...

Senior Software Engineer

Hiring Organisation
Bounce Digital
Location
London Area, United Kingdom
like a product engineer Enjoy working in small, high-energy teams Bonus Points For: Experience with Postgres, Prisma, GraphQL, Next.js Exposure to LangChain/LangGraph/AI-driven workflows Building something end-to-end yourself (side project, startup, OSS) What You’ll Be Doing: Building features from scratch - schema ...

Agentic AI Engineer

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
Agentic AI Engineer (LangChain LangGraph RAG LLM) London/WFH to £90k Do you want to work on cutting edge AI technology being used in the real world? You could be progressing your career as an Agentic AI Engineer at a successful and growing technology company that have recently received ...

AI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Development: Building retrieval systems using vector databases Core RAG Components & Optimization : Doc Chunking , Embeddings , Parallel Processing , Agent building and A2A Orchestration & Engineering : Orchestration, LangChain , LangGraph , LangFlow , LangFuse , MCP GraphRAG : Knowledge graphs ontology and without ontology Model QA &Testing ...

AI Engineer

Hiring Organisation
Amber Labs
Location
City of London, Greater London, UK
technical stakeholders. Awareness of the ethical and safety considerations in deploying AI systems. Desirable: Experience with agentic AI frameworks (e.g. AutoGPT, CrewAI, LangGraph, ReAct). Background in conversational design, human-AI interaction, or reinforcement learning. Familiarity with RAG, vector databases, or simulation environments. ...