26 to 50 of 236 LangChain Jobs in the UK

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
London, United Kingdom
Salary
£ 80 K
hands-on with emerging technologies – exploring what works, what scales, and what’s next:Experimenting with Generative AI frameworks and tools such as LangChain, LlamaIndex, Hugging Face, and APIs from OpenAI and Anthropic.Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs.Developing and testing agentic architectures through ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
hands-on with emerging technologies – exploring what works, what scales, and what’s next:Experimenting with Generative AI frameworks and tools such as LangChain, LlamaIndex, Hugging Face, and APIs from OpenAI and Anthropic.Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs.Developing and testing agentic architectures through ...

Senior Software Engineer - Backend

Hiring Organisation
Fitch Ratings
Location
London, United Kingdom
Salary
£ 80 K
similar tools. Experience evaluating and adopting emerging technologies, including build-vs-buy decisions. Hands-on experience building AI agents using frameworks such as LangGraph, LangChain, or LlamaIndex. Experience implementing Retrieval-Augmented Generation (RAG) solutions and governance controls for enterprise AI applications. Experience using agentic AI to automate engineering workflows such ...

Head of AI Solutions, COO Technology - MD (C16)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 120 K
services, scalable inference infrastructure, and vector storesProgramming & Frameworks: Strong Python proficiency; working knowledge of PyTorch or TensorFlow; applied experience with AI application frameworks (LangChain, LlamaIndex, or equivalents)Enterprise AI Architecture: Designing AI systems for regulated production environments: data security, model explainability, audit logging, access controls, and integration with legacy systemsLeadership ...

Senior AI Engineer Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
experience Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI or similar frameworks ...

Senior AI Engineer Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
experience Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI or similar frameworks ...

Senior AI Engineer Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
Manchester, North West, United Kingdom
Employment Type
Temporary
experience Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI or similar frameworks ...

GenAI Fullstack Engineer Full Stack Engineer – Generative AI

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 60 K
equivalent technologies.Frontend DevelopmentExperience developing React applications using TypeScript.Familiarity with frameworks such as Next.js, Vite, or similar.Generative AI TechnologiesExperience with Generative AI frameworks such as LangChain, LangGraph, CrewAI, Vercel AI, or equivalent tools.Practical experience working with Large Language Models (LLMs), including platforms such as OpenAI, Anthropic, Mistral, Llama, or similar.Familiarity with ...

GenAI Fullstack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£70,000
developing React applications using TypeScript. Familiarity with frameworks such as Next.js, Vite, or similar. Generative AI Technologies Experience with Generative AI frameworks such as LangChain, LangGraph, CrewAI, Vercel AI, or equivalent tools. Practical experience working with Large Language Models (LLMs), including platforms such as OpenAI, Anthropic, Mistral, Llama, or similar. ...

GenAI Fullstack Engineer Full Stack Engineer – Generative AI

Hiring Organisation
Sanderson Recruitment
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 60 K
equivalent technologies.Frontend DevelopmentExperience developing React applications using TypeScript.Familiarity with frameworks such as Next.js, Vite, or similar.Generative AI TechnologiesExperience with Generative AI frameworks such as LangChain, LangGraph, CrewAI, Vercel AI, or equivalent tools.Practical experience working with Large Language Models (LLMs), including platforms such as OpenAI, Anthropic, Mistral, Llama, or similar.Familiarity with ...

GenAI Fullstack Engineer Full Stack Engineer – Generative AI

Hiring Organisation
Sanderson Recruitment
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 60 K
equivalent technologies.Frontend DevelopmentExperience developing React applications using TypeScript.Familiarity with frameworks such as Next.js, Vite, or similar.Generative AI TechnologiesExperience with Generative AI frameworks such as LangChain, LangGraph, CrewAI, Vercel AI, or equivalent tools.Practical experience working with Large Language Models (LLMs), including platforms such as OpenAI, Anthropic, Mistral, Llama, or similar.Familiarity with ...

Lead Data Scientist

Hiring Organisation
Datasource Recruitment
Location
Edinburgh, Scotland, United Kingdom
Extensive experience designing, developing, and deploying enterprise-grade AI and ML solutions end-to-end. Expert-level Python skills with proficiency in PyTorch, TensorFlow, LangChain, LangGraph, or similar GenAI frameworks. Deep knowledge of LLMs, prompt engineering, RAG pipelines, vector databases, and generative AI architectures. Hands-on experience with AI evaluation ...

Senior Software Engineer, Full Stack - AI

Hiring Organisation
Fitch Ratings
Location
London, United Kingdom
Salary
£ 80 K
engineering or applied ML building real-world AI/ML systems; strong Python proficiency and backend development expertiseHands-on experience building GenAI apps with LangChain and LangGraph, including agent design, state/memory management, and graph-based orchestration.Proficiency in ML/NLP and generative models; experience with embeddings, vector stores ...

Senior Software Engineer, Full Stack - AI

Hiring Organisation
Fitch Ratings
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
engineering or applied ML building real-world AI/ML systems; strong Python proficiency and backend development expertiseHands-on experience building GenAI apps with LangChain and LangGraph, including agent design, state/memory management, and graph-based orchestration.Proficiency in ML/NLP and generative models; experience with embeddings, vector stores ...

Senior AI Platform Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
still being designed and built.Bonus PointsExperience with any of the following would be highly advantageous:AI gateways and model routingPrompt management platformsAI evaluation frameworksLangGraph, LangChain, LlamaIndex, DSPy, CrewAI or similar orchestration frameworksVector databases and semantic retrievalKnowledge graphs or document understanding systemsBuilding internal AI platforms used by multiple engineering teamsBenefitsWe ...

Lead AI Engineer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 72,000 - 92,000 Annual
commonly Python) applied to AI/ML systems - Semantic search, vector/embedding infrastructure, and RAG pipeline construction - LLM orchestration and agentic frameworks (eg LangChain/LlamaIndex-style tooling, multi-agent patterns) - Prompt engineering and systematic evaluation/guardrail tooling (hallucination detection, safety testing) - LLMOps/MLOps - model versioning, deployment ...

AI Engineer, Manager, Digital Innovation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
data engineering lifecycles, ML Ops and LLM Ops.Desirable:Experience with/in: Experience with other cloud provider ML and LLM services (sagemaker, bedrock, langchain, llamaindex, boto3 etc.)Experience with image analysis and extraction tools (Google Cloud Vision, Document Intelligence, MarkItDown)Knowledge of Agentic protocols and their implementation ...

Senior Manager, Lead AI Architect, AI Institute, Engineering, AI & Data, Technology & Transformation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 120 K
real-world impact highly desirable.Expert-level proficiency in Python, and modern AI/ML frameworks, including PyTorch, TensorFlow, and specialised Generative AI libraries (LangChain, LangGraph or related open-source toolkits strongly preferred. Background in Traditional ML/AI is preferred.Deep understanding of LLMs, prompt engineering, RAG pipelines, vector databases ...

Software Engineer - Senior

Hiring Organisation
Capital Group
Location
London, United Kingdom
Salary
£ 100 K
services or another regulated enterprise environment. Experience with vector databases (for example pgvector, Pinecone, Weaviate, or Chroma) and agent or orchestration frameworks (for example LangChain, LlamaIndex, or the Model Context Protocol). Experience with MLOps/LLMOps tooling such as experiment tracking, model versioning, monitoring, evaluation/observability platforms ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 70 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 70 K
/Azure/GCP); emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval ...