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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.

54 jobs found

Numinous logo
Senior Python Engineer: AI Agents & Forecasting

Numinous

£80K - £120K/yrLangChainLangGraph+2 more
🇬🇧
2026-06-28
GitLab logo
Senior Backend Engineer (Ruby), AI Engineering: Duo Agent Platform Tools

GitLab

RemoteMCP
🇨🇦 🇬🇧
2026-07-20
Fin (Intercom) logo
Senior Product Engineer, AI

Fin (Intercom)

🇬🇧 🇮🇪
2026-06-28
Forter logo
Senior Software AI Engineer

Forter

MCP
🇬🇧
2026-06-16
Databricks logo
AI Engineer - FDE (Forward Deployed Engineer)

Databricks

ExpiredRemoteDSPyLangChain+4 more
🇬🇧
2026-05-19
PhysicsX logo
Senior AI Engineer - Applied

PhysicsX

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

PhysicsX

ExpiredLangChainLangGraph+5 more
🇬🇧
2026-05-06
Ebury logo
Senior Full-Stack Engineer - AI Agent Platform

Ebury

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

Oscilar

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

Mubit

ExpiredAutoGenCrewAI+1 more
🇬🇧
2026-04-10
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
Charles Simon Associates Ltd logo
AI Architect (Generative & Agentic AI)

Charles Simon Associates Ltd

Expired£80K - £95K/yrAutoGenCrewAI+10 more
🇬🇧
2026-04-01
Accenture logo
GenAI & Agentic Commerce Engineer

Accenture

ExpiredLangChainLlamaIndex+3 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
Electric Twin logo
Research Engineer (AI Engineer)

Electric Twin

Expired£80K - £120K/yrLangChainHugging Face+1 more
🇬🇧
2026-06-06
Smartsheet logo
Senior Forward Deployed AI Engineer (Remote Eligible in the UK)

Smartsheet

ExpiredRemoteLangChainMCP
🇬🇧
2026-05-21
Sierra logo
Developer Relations Engineer

Sierra

Expired£140K - £220K/yrLangGraphMCP
🇬🇧
2026-05-19
OpenAI logo
Forward Deployed Software Engineer - London

OpenAI

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

OpenAI

ExpiredOpenAI Agents SDKOpenAI API
🇬🇧
2026-05-19
Owkin logo
Senior AI Backend Engineer

Owkin

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

Synthesia

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

MLabs

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

Luxoft (DXC Technology Company)

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

Vercel

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

Vercel

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

Google

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

Justworks

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

Decagon

Expired£200K - £300K/yrOpenAI API
🇬🇧
2026-05-19
OpenAI logo
AI Deployment Engineer - Startups

OpenAI

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

OpenAI

ExpiredOpenAI API
🇬🇧
2026-05-19
Intercom logo
Senior Forward Deployed Engineer

Intercom

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

OpenAI

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

Intercom

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

Sierra

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

Cohere

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

PolyAI

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

Cohere

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

Cohere

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

Cohere

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

Aveni

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

SmartRecruiters (SAP)

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

Aurora

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

Anthropic

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

Model ML

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

Anthropic

Expired£225K - £255K/yrMCP
🇬🇧
2026-04-02
Nebius logo
Senior Applied AI Researcher (Agentic Search)

Nebius

Expired
🇬🇧 🇳🇱
2026-04-01
SmartRecruiters logo
Senior AI Engineer

SmartRecruiters

ExpiredRemotePyTorchTensorFlow
🇩🇪 🇬🇧 🇵🇱
2026-04-01
View all 54 jobs with filters →
Live market data20 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)

£131,813 – £175,781

mean min to mean max

Median range (GBP)

£131,000 – £152,000

p50 min to p50 max

Listings with salary

20

explicit salary ranges only

By seniority

  • Senior£131,813 – £175,781

    20 listings · GBP

Full seniority breakdown
SeniorityAvg rangeCurrencyListings
Senior£131,813 £175,781GBP20

By location type

  • Hybrid£118,000 – £144,167

    10 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£118,000 £144,167GBP10
Onsite£167,000 £245,000GBP6
Remote£106,000 £145,000GBP4

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