1 to 25 of 121 LangChain Jobs in the UK

AI Engineer - Elite Sports Tech - London

Hiring Organisation
Oho Group Ltd
Location
London Area, United Kingdom
Computer Science, AI, Data Science, or related technical field from a top university Familiarity with frameworks such as PyTorch, Hugging Face, LangChain, or LlamaIndex Passionate about sports, health, or fitness – you’ll feel right at home here Bonus points if you: Have worked with unstructured data (text, documents, time-series ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800/day
Strong grasp of containerization and cloud deployment (Docker, AWS, Azure). Tools & Platforms GitHub Copilot, ChatGPT/GPT-4, Claude for AI-assisted development. LangChain, LlamaIndex for RAG implementations. SonarQube for code security and quality assurance. Jira with AI plugins for agile delivery. Monitoring tools like Datadog and Dynatrace ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 per day
Strong grasp of containerization and cloud deployment (Docker, AWS, Azure). Tools & Platforms GitHub Copilot, ChatGPT/GPT-4, Claude for AI-assisted development. LangChain, LlamaIndex for RAG implementations. SonarQube for code security and quality assurance. Jira with AI plugins for agile delivery. Monitoring tools like Datadog and Dynatrace ...

AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
teams to deliver high-quality AI solutions Essential Skills & Experience 2-6 years of Python development experience Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs Knowledge of prompt engineering, vector databases (Pinecone, ChromaDB, FAISS), and model fine-tuning Cloud deployment experience with Docker/Kubernetes ...

AI Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
teams to deliver high-quality AI solutions Essential Skills & Experience 2-6 years of Python development experience Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs Knowledge of prompt engineering, vector databases (Pinecone, ChromaDB, FAISS), and model fine-tuning Cloud deployment experience with Docker/Kubernetes ...

Senior ML Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
translate requirements into robust ML solutions. Who You Are Strong proficiency in Python and experience with PyTorch or TensorFlow . Practical experience with LangChain, LangGraph, AutoGen , or similar LLM/agent frameworks. Skilled in prompt engineering , integrating foundation model APIs, and LLM fine-tuning techniques. Expertise in building RAG systems ...

Senior ML Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
translate requirements into robust ML solutions. Who You Are Strong proficiency in Python and experience with PyTorch or TensorFlow . Practical experience with LangChain, LangGraph, AutoGen , or similar LLM/agent frameworks. Skilled in prompt engineering , integrating foundation model APIs, and LLM fine-tuning techniques. Expertise in building RAG systems ...

Global IT GenAI Software Engineer Director & Chapter Lead

Hiring Organisation
Boston Consulting Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
during development. Experience designing and deploying Retrieval-Augmented Generation (RAG) pipelines, working with LLM APIs (AWS Bedrock, OpenAI, Azure OpenAI), and using frameworks like LangChain or LangGraph. Strong knowledge of SDLC principles, CI/CD pipelines, and modern engineering practices. Excellent communication and collaboration skills to partner across engineering, product ...

Audio AI Engineer

Hiring Organisation
SoftServe
Location
England, United Kingdom
experienced with its ML and AI ecosystem (e.g. NumPy, Pandas, scikit-learn, TensorFlow, PyTorch) Experienced in designing agentic AI workflows using frameworks such as LangChain or LlamaIndex Hands-on in fine-tuning LLMs to improve accuracy, reduce latency, and optimise infrastructure costs Able to build LLM evals for reliable ...

Senior AI Engineer

Hiring Organisation
Arm
Location
Cambridge, England, United Kingdom
deploying AI or ML models into production systems. Experience with LLM systems, including prompting, RAG, evaluation, and orchestration. Exposure to agentic AI frameworks (e.g., LangChain, LlamaIndex, or custom orchestration stacks). Familiarity with enterprise AI APIs (e.g., OpenAI, Anthropic, Azure OpenAI, or similar). Experience working with retrieval systems, prompt ...

Mid Senior GenAI Platform Engineer

Hiring Organisation
E.ON
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Kubeflow). Proven experience designing, implementing, and optimising complex RAG pipelines using vector databases (e.g., Pinecone, PGVector). Practical experience with agentic frameworks (e.g., LangChain, LlamaIndex, Langgraph, or custom implementation) and defining tool-use patterns. Demonstrated experience designing complex, multi-tenant platform systems, prioritising reliability, security, and separation of concerns. ...

GenAI Full Stack Developer (SC Cleared/Eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
across the stack, contribute to infrastructure, and collaborate with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. ...

Lead AI Research Engineer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £150000/annum + Benefits
Essential skills: Strong experience with Machine Learning, LLMs, NLP and Data Science Proven track record of building and deploying AI models (Python, TensorFlow, PyTorch, LangChain) Hands-on with cloud platforms (preferably Azure, or AWS, GCP) Good understanding of APIs, microservices, and data pipelines Able to prototype quickly and communicate findings ...

Product Manager

Hiring Organisation
IQVIA
Location
Reading, England, United Kingdom
measure impact on speed, quality, and cost of clinical trials. Innovative & Experimentation: Stay ahead of the curve on Gen AI and agentic frameworks (e.g., LangChain, Autogen, CrewAI). Evaluate emerging tools and models for integration into the product stack. Process Optimization and Quality Management: Apply Lean and Six Sigma principles ...

Product Manager

Hiring Organisation
IQVIA
Location
London, England, United Kingdom
measure impact on speed, quality, and cost of clinical trials. Innovative & Experimentation: Stay ahead of the curve on Gen AI and agentic frameworks (e.g., LangChain, Autogen, CrewAI). Evaluate emerging tools and models for integration into the product stack. Process Optimization and Quality Management: Apply Lean and Six Sigma principles ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Belfast, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Sheffield, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Glasgow, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Bristol, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
United Kingdom
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Slough, Berkshire, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Plymouth, Devon, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...

Lead AI Engineer

Hiring Organisation
Prolific
Location
Northampton, Northamptonshire, UK
Employment Type
Full-time
strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc...) Prior work on human-in-the-loop systems, data annotation platforms ...