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Senior Agentic AI Engineering Jobs in United Kingdom

Senior agentic AI engineers lead technical decisions on agent architecture, design evaluation frameworks, optimize retrieval pipelines, and mentor other engineers building LLM-powered systems. These are positions in United Kingdom building AI agents, RAG pipelines, and LLM-powered products.

49 jobs found

Databricks logo
AI Engineer - FDE (Forward Deployed Engineer)

Databricks

RemoteDSPyLangChain+4 more
🇬🇧
2026-05-19
PhysicsX logo
Senior AI Engineer - Platform

PhysicsX

LangChainLangGraph+5 more
🇬🇧
2026-05-06
PhysicsX logo
Senior AI Engineer - Applied

PhysicsX

LangChainLangGraph+4 more
🇬🇧
2026-05-06
Ebury logo
Senior Full-Stack Engineer - AI Agent Platform

Ebury

LangChainLangGraph+4 more
🇬🇧
2026-04-24
Oscilar logo
Full-Stack Engineer, AI Agent Platform (Fraud, Risk & AML)

Oscilar

RemoteLangChainLangGraph+1 more
🇧🇷 🇨🇦 🇬🇧+2
2026-04-19
Mubit logo
Founding Engineer

Mubit

AutoGenCrewAI+1 more
🇬🇧
2026-04-10
Adclear logo
Senior Fullstack Engineer

Adclear

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

Cititec Talent

£132K - £154K/yrClaude Agent SDKLangChain+3 more
🇬🇧
2026-04-02
Accenture logo
GenAI & Agentic Commerce Engineer

Accenture

LangChainLlamaIndex+3 more
🇬🇧
2026-04-01
Charles Simon Associates Ltd logo
AI Architect (Generative & Agentic AI)

Charles Simon Associates Ltd

£80K - £95K/yrAutoGenCrewAI+10 more
🇬🇧
2026-04-01
Intec Select logo
AI Engineer - LLM & Agentic Systems

Intec Select

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

Celonis

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

Celonis

LangChainLlamaIndex+3 more
🇬🇧
2026-03-31
Smartsheet logo
Senior Forward Deployed AI Engineer (Remote Eligible in the UK)

Smartsheet

RemoteLangChainMCP
🇬🇧
2026-05-21
OpenAI logo
Forward Deployed Software Engineer - London

OpenAI

OpenAI Agents SDKOpenAI API
🇬🇧
2026-05-19
OpenAI logo
Forward Deployed Engineer - London

OpenAI

OpenAI Agents SDKOpenAI API
🇬🇧
2026-05-19
Sierra logo
Developer Relations Engineer

Sierra

£140K - £220K/yrLangGraphMCP
🇬🇧
2026-05-19
Owkin logo
Senior AI Backend Engineer

Owkin

RemoteAgno
🇩🇪 🇬🇧
2026-04-24
Synthesia logo
Software Engineer, Machine Learning

Synthesia

From £120K/yrRemoteOpenAI Agents SDK
🇦🇹 🇧🇪 🇨🇭+9
2026-04-09
MLabs logo
Senior AI Data Engineer

MLabs

$130K - $150K/yrRemoteLangGraphMCP
🇩🇪 🇫🇷 🇬🇧+3
2026-04-09
Luxoft (DXC Technology Company) logo
GenAI Engineer

Luxoft (DXC Technology Company)

LangChainChroma+6 more
🇬🇧
2026-04-01
Vercel logo
Software Engineer, AI SDK

Vercel

$196K - $294K/yrVercel AI SDK
🇩🇪 🇬🇧
2026-04-01
Vercel logo
Forward-Deployed Engineer

Vercel

Vercel AI SDKMCP
🇩🇪 🇬🇧
2026-04-01
Google logo
Senior Software Engineer, Agentic Infrastructure, GBO Engineering

Google

LangChainGemini
🇬🇧
2026-04-01
Justworks logo
Senior Software Engineer, AI (Remote UK)

Justworks

£132K - £170K/yrRemote
🇬🇧
2026-05-21
Decagon logo
Senior Research Engineer

Decagon

£200K - £300K/yrOpenAI API
🇬🇧
2026-05-19
Intercom logo
Senior Forward Deployed Engineer

Intercom

OpenAI API
🇬🇧
2026-05-19
OpenAI logo
AI Deployment Engineer | Codex

OpenAI

🇬🇧
2026-05-19
OpenAI logo
AI Deployment Engineer - Startups

OpenAI

OpenAI API
🇬🇧
2026-05-19
Intercom logo
AI Infrastructure Engineer

Intercom

OpenAI API
🇬🇧
2026-05-19
OpenAI logo
Software Engineer, Codex Ecosystem & Enterprise

OpenAI

🇬🇧
2026-05-19
Sierra logo
Software Engineer, Agent

Sierra

£150K - £315K/yr
🇬🇧
2026-05-19
Cohere logo
Member of Technical Staff, MLE (North)

Cohere

JAXTensorFlow
🇨🇦 🇫🇷 🇬🇧+1
2026-05-06
PolyAI logo
Senior Full Stack Engineer (Must be based in UK)

PolyAI

🇬🇧
2026-04-24
Cohere logo
Member of Technical Staff, Agent Code

Cohere

🇬🇧
2026-04-24
Cohere logo
Member of Technical Staff, Next Generation Agents

Cohere

Remote
🇬🇧
2026-04-24
Cohere logo
Forward Deployed Engineer, Infrastructure Specialist (UK/EU/ME)

Cohere

Remote
🇬🇧
2026-04-24
Aveni logo
Senior AI Engineer

Aveni

£80K - £120K/yrRemote
🇬🇧
2026-04-09
SmartRecruiters (SAP) logo
Senior AI Engineer

SmartRecruiters (SAP)

PLN 21K - PLN 36K/yrRemote
🇩🇪 🇬🇧 🇵🇱+1
2026-04-06
Aurora logo
Founding Product Engineer (AI & Agentic Systems)

Aurora

£150K - £170K/yr
🇬🇧
2026-04-02
Anthropic logo
Applied AI Engineer

Anthropic

£225K - £240K/yrMCP
🇬🇧
2026-04-02
Model ML logo
Applied AI Engineer

Model ML

$100K - $200K/yr
🇬🇧
2026-04-02
Anthropic logo
Forward Deployed Engineer, Applied AI (UK)

Anthropic

£225K - £255K/yrMCP
🇬🇧
2026-04-02
SmartRecruiters logo
Senior AI Engineer

SmartRecruiters

RemotePyTorchTensorFlow
🇩🇪 🇬🇧 🇵🇱
2026-04-01
Nebius logo
Senior Applied AI Researcher (Agentic Search)

Nebius

🇬🇧 🇳🇱
2026-04-01
Stealth AI Startup logo
Applied AI Engineer (LLM)

Stealth AI Startup

£130K - £140K/yr
🇬🇧
2026-04-01
Contentful logo
Senior Machine Learning Engineer (f/m/d)

Contentful

🇬🇧
2026-03-31
Clean Energy Infrastructure Startup (via Transparent Technology) logo
Founding AI Engineer

Clean Energy Infrastructure Startup (via Transparent Technology)

£120K - £150K/yr
🇬🇧
2026-03-31
Wave logo
Applied AI Scientist - LLMs & Voice

Wave

Up to $228K/yrRemote
🇪🇸 🇬🇧
2026-03-31
View all 49 jobs with filters →
Live market data18 priced listings

Salary insights for Senior Agentic AI Engineering Jobs in United Kingdom

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

Average range (GBP)

£139,214 – £183,750

mean min to mean max

Median range (GBP)

£132,000 – £162,000

p50 min to p50 max

Listings with salary

18

explicit salary ranges only

By seniority

  • Senior£139,214 – £183,750

    18 listings · GBP

Full seniority breakdown
SeniorityAvg rangeCurrencyListings
Senior£139,214 £183,750GBP18

By location type

  • Hybrid£128,857 – £151,071

    8 listings · GBP

  • Onsite£167,000 – £245,000

    6 listings · GBP

  • Remote£106,000 – £145,000

    4 listings · GBP

Full location-type breakdown
Location typeAvg rangeCurrencyListings
Hybrid£128,857 £151,071GBP8
Onsite£167,000 £245,000GBP6
Remote£106,000 £145,000GBP4

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