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LangChain Developer Jobs in London

LangChain is a Python and TypeScript framework for building LLM applications with modular components for prompt management, chains, tool use, and 500+ integrations. These are agentic AI engineering positions in London building with LangChain.

Market data: LangChain Job Market 2026 – salaries, tech stacks, and hiring trends from 591 listings.
Compare frameworks: AI Agent Framework Jobs 2026 – how LangChain, LangGraph, LlamaIndex, CrewAI and AutoGen rank by hiring demand, salary, and stacks across 1,135 listings.

27 jobs found

Databricks logo
AI Engineer - FDE (Forward Deployed Engineer)

Databricks

RemoteDSPyLangChain+4 more
🇬🇧
2026-05-19
LangChain logo
Deployed Engineer (South EMEA)

LangChain

LangChainLangGraph+1 more
🇬🇧
2026-05-19
Capco logo
Lead AI Engineer

Capco

LangChainLlamaIndex+3 more
🇬🇧
2026-05-06
PhysicsX logo
Senior AI Engineer - Applied

PhysicsX

LangChainLangGraph+4 more
🇬🇧
2026-05-06
PhysicsX logo
Senior AI Engineer - Platform

PhysicsX

LangChainLangGraph+5 more
🇬🇧
2026-05-06
Cohere logo
Software Engineer - Applied ML - UK Public Sector

Cohere

LangChainLlamaIndex+1 more
🇬🇧
2026-04-24
Ebury logo
Senior Full-Stack Engineer - AI Agent Platform

Ebury

LangChainLangGraph+4 more
🇬🇧
2026-04-24
Databricks logo
AI Engineer - FDE (Forward Deployed Engineer)

Databricks

DSPyLangChain+4 more
🇬🇧
2026-04-22
G-Research logo
AI Engineer

G-Research

LangChainLangGraph+4 more
🇬🇧
2026-04-09
Electric Twin logo
Research Engineer (AI Engineer)

Electric Twin

£80K - £120K/yrLangChainHugging Face+1 more
🇬🇧
2026-06-06
Adclear logo
Senior Fullstack Engineer

Adclear

Expired£75K - £95K/yrLangChainLangGraph
🇬🇧
2026-04-06
Cititec Talent logo
Senior AI Engineer

Cititec Talent

Expired£132K - £154K/yrClaude Agent SDKLangChain+3 more
🇬🇧
2026-04-02
Capgemini Invent logo
Agentic / GenAI Consultant / Senior Consultant

Capgemini Invent

ExpiredCrewAILangChain+2 more
🇬🇧
2026-04-01
Charles Simon Associates Ltd logo
AI Engineer (Generative & Agentic AI)

Charles Simon Associates Ltd

Expired£75K - £85K/yrLangChainLlamaIndex
🇬🇧
2026-04-01
Charles Simon Associates Ltd logo
AI Architect (Generative & Agentic AI)

Charles Simon Associates Ltd

Expired£80K - £95K/yrAutoGenCrewAI+10 more
🇬🇧
2026-04-01
Robert Walters logo
AI Technical Architect

Robert Walters

Expired£90K - £120K/yrAutoGenCrewAI+10 more
🇬🇧
2026-04-01
STACKSTUDIO DIGITAL LTD logo
Artificial Intelligence Engineer

STACKSTUDIO DIGITAL LTD

Expired£65K - £75K/yrAutoGenCrewAI+9 more
🇬🇧
2026-04-01
Transparent Technology logo
AI Engineer - London

Transparent Technology

Expired£70K - £135K/yrLangChainLangGraph+2 more
🇬🇧
2026-04-01
Accenture logo
GenAI & Agentic Commerce Engineer

Accenture

ExpiredLangChainLlamaIndex+3 more
🇬🇧
2026-04-01
Robert Walters logo
AI Engineer Python Fullstack

Robert Walters

Expired£70K - £90K/yrAutoGenCrewAI+9 more
🇬🇧
2026-04-01
Intec Select logo
AI Engineer - LLM & Agentic Systems

Intec Select

Expired£110K - £149K/yrLangChainLangGraph+1 more
🇬🇧
2026-04-01
Celonis logo
Senior Applied AI Engineer (Pre-Sales) - Public Sector Transformation

Celonis

ExpiredLangChainLlamaIndex+1 more
🇬🇧
2026-03-31
Celonis logo
Senior Applied (AI) Engineer - Public Sector

Celonis

ExpiredLangChainLlamaIndex+3 more
🇬🇧
2026-03-31
Modo Energy logo
Python Developer - Build an AI Analyst (Energy Markets)

Modo Energy

Expired£70K - £90K/yrLangChainMCP
🇬🇧
2026-04-02
Luxoft (DXC Technology Company) logo
GenAI Engineer

Luxoft (DXC Technology Company)

ExpiredLangChainChroma+6 more
🇬🇧
2026-04-01
Google logo
Senior Software Engineer, Agentic Infrastructure, GBO Engineering

Google

ExpiredLangChainGemini
🇬🇧
2026-04-01
Miro logo
AI Engineer

Miro

ExpiredLangChainGemini+3 more
🇩🇰 🇬🇧
2026-03-31
View all 27 jobs with filters →
Live market data11 priced listings

Salary insights for LangChain Developer Jobs in London

Pulled from active listings on this page that publish a salary range.

Average range (GBP)

£83,364 – £109,773

mean min to mean max

Median range (GBP)

£75,000 – £95,000

p50 min to p50 max

Listings with salary

11

explicit salary ranges only

By seniority

  • Mid£70,000 – £95,000

    5 listings · GBP

  • Senior£95,400 – £122,500

    5 listings · GBP

Full seniority breakdown
SeniorityAvg rangeCurrencyListings
Mid£70,000 £95,000GBP5
Senior£95,400 £122,500GBP5

By location type

  • Hybrid£83,364 – £109,773

    11 listings · GBP

Full location-type breakdown
Location typeAvg rangeCurrencyListings
Hybrid£83,364 £109,773GBP11

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