26 to 41 of 41 LangChain Jobs in England

Senior Python Developer - AI

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI framework Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take GenAI POCs into production and scale them Build APIs, microservices … development experience Experience building APIs, microservices and backend applications Hands-on experience with LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices ...

Senior AI Consultant - Agentic AI & Generative AI

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
architecture, TDD and code quality tooling. Desirable: RAG pipelines, MCP, LLM integration (OpenAI, Gemini, Hugging Face models), LangSmith, TruLens, and agentic frameworks such as LangChain, CrewAI, Autogen, OpenAI Agents and Google ADK. You won't need every technology on this list. A strong engineering foundation, a good cross-section … Solutions Architect AI, LLM Engineer, MLOps Engineer, AI Software Engineer, Django Developer, FastAPI Developer, React Developer, Next.js Developer, TypeScript Developer, Azure OpenAI, Vertex AI, LangChain, LangGraph, CrewAI, Autogen, OpenAI Agents SDK, Google ADK, RAG, retrieval augmented generation, MCP, LangSmith, TruLens, prompt engineering, Docker, Kubernetes, AKS, GCP, Azure DevOps, GitHub Actions ...

AI Consultant | Financial Services | Permanent | TWE47395

Hiring Organisation
Twenty Recruitment Group
Location
East London, London, United Kingdom
Employment Type
Permanent
solve business and operational problems. Design, prototype and deploy AI-enabled workflows and agentic solutions using technologies such as LLMs, RAG, LangGraph/LangChain and APIs. Analyse complex workflows, data and processes and translate problems into clear technical solutions. Work closely with Product and Engineering throughout design, development, testing ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI frameworks Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take GenAI POCs into production and scale them Build APIs, microservices … development experience Experience building APIs, microservices and backend applications Hands-on experience with LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI frameworks Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take GenAI POCs into production and scale them Build APIs, microservices … development experience Experience building APIs, microservices and backend applications Hands-on experience with LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
gapped deployments. What You'll Be Doing Design and build multi-agent AI systems from the ground up, using frameworks such as LangGraph, LangChain, Haystack or similar where appropriate. Develop the orchestration, state management and tool-calling infrastructure required to make agentic systems reliable in production. Integrate large language models … production , rather than simply integrating existing tools. Strong Python development skills and excellent software engineering fundamentals. Hands-on experience with frameworks such as LangGraph, LangChain, Haystack or similar , together with the ability to work below the framework level when required. Experience designing and deploying AI/ML systems into genuine ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
maintainable at scale. What You'll Be Doing Design and build multi-agent AI systems from the ground up, using frameworks such as LangGraph, LangChain, Haystack or similar where appropriate. Develop orchestration, state management and tool-calling infrastructure required to make agentic systems reliable in production. Integrate large language models … shipping multi-agent or agentic AI systems into production . Strong Python development skills and excellent software engineering fundamentals. Hands-on experience with LangGraph, LangChain, Haystack or similar AI/LLM frameworks , together with the ability to work below the framework level when necessary. Experience designing and deploying AI/ ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
cloud solutions, ideally within GCP * Familiarity with serverless architectures and API development * Experience working with AI tools, LLM applications, or agentic frameworks such as LangChain or CrewAI * Knowledge of front-end technologies such as React * Experience working within a digital agency, marketing technology, or consulting environment * Understanding of digital marketing ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
applications Familiarity with cloud platforms, ideally Google Cloud Platform (GCP) Experience integrating AI capabilities into products and workflows Knowledge of agentic frameworks such as LangChain, CrewAI, or similar Exposure to front-end development frameworks such as React Excellent communication skills with the ability to explain technical concepts clearly Experience working ...

AI Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
automate complex business workflows. Apply Prompt Engineering and Context Engineering techniques to optimise AI performance and accuracy. Implement AI solutions using frameworks such as LangChain , LangGraph , and MCP . Integrate AI services and enterprise platforms through REST APIs and cloud-native architectures. Deliver scalable, secure, and reliable solutions using Python … Skills AI , Generative AI (GenAI) , Large Language Models (LLMs) , Natural Language Processing (NLP) Prompt Engineering , Context Engineering AI Agents , Agentic AI , Multi-Agent Systems LangChain , LangGraph , Model Context Protocol (MCP) RAG , Embeddings , Vector Databases Python , SQL , REST APIs Git , CI/CD Cloud Platforms (Azure ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
communicate effectively with technical and non-technical stakeholders Desirable: BigQuery or similar data warehousing tools ETL/ELT platforms AI frameworks such as LangChain or CrewAI React or modern JavaScript frameworks What They Offer Up to £55,000 salary Bonus scheme Hybrid working Wellbeing allowance Enhanced parental leave Study ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
integrations Understanding of digital marketing channels such as SEO, Paid Search, Content, or Paid Social Desirable: BigQuery Funnel, Adverity, or similar ETL tools React LangChain, CrewAI, or AI workflow automation What They Offer Up to £55,000 salary Company bonus Hybrid working Exposure to AI, automation, and data-focused projects ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
platforms such as Funnel or Adverity Experience pulling and transforming data through APIs Hands-on experience integrating AI into tools and workflows, including LangChain or CrewAI Agency experience The role is hybrid, with two days a week in either London or Brighton (London preferred) , and offers ...

Agentic AI Software Engineer Python Developer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Agentic AI Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI PydanticAI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager) required … following is DESIRABLE, not essential: Experience taking Agentic AI solutions into production AWS AWS Strands Agents, LLM, Pydantic AI, Bedrock, AgentCore, ADK, CrewAI, AutoGen LangChain and LangGraph Finance Role: Agentic AI Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen ...

Lead AI Labs Software Engineer Python Developer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Lead AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI Bedrock PydanticAI AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager) required … following is DESIRABLE, not essential: Experience taking Agentic AI solutions into production AWS AWS Strands Agents, LLM, Pydantic AI, Bedrock, AgentCore, ADK, CrewAI, AutoGen LangChain and LangGraph Finance Role: Lead AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google ...

Senior AI Engineer

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
Generation (RAG), agentic workflows, evaluation frameworks, and LLM optimisation. Key Responsibilities: Design and develop scalable RAG pipelines and generative AI workflows Build solutions using LangChain, LangGraph, and LlamaIndex Implement retrieval strategies including reranking, chunking, and retrieval fusion Develop agentic workflows with a focus on robustness and maintainability Contribute to experimentation … Strong Python engineering experience Commercial experience building production-grade AI/ML systems Hands-on experience with RAG architectures and LLM workflows Experience with LangChain, LangGraph, and/or Llama Index Understanding of evaluation methodologies for generative AI Experience working within scalable cloud environments (AWS preferred) Ability to operate ...