1 to 25 of 102 Permanent LangChain Jobs in the UK

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
tuning Practical knowledge of RAG (Retrieval-Augmented Generation) architectures, including chunking strategies, vector embeddings, and similarity search Familiarity with LLM orchestration frameworks such as LangChain, LlamaIndex, or similar Experience designing and building agentic systems — tool-calling agents, multi-step reasoning, and human-in-the-loop workflows Understanding of MCP (Model ...

Senior AI Engineer (LLMs, Python & Java)

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
like Docker, Kubernetes , and CI/CD pipelines Experience working with data stores (SQL/NoSQL) and large datasets Bonus: experience with AI frameworks (LangChain, LlamaIndex, etc.) Why Join? Be the first AI hire real ownership and influence Work on meaningful, tech-for-good products Modern stack, forward-thinking leadership ...

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, Scotland, United Kingdom
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 ...

Artificial Intelligence Engineering Consultant

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
Databricks) Familiarity with CI/CD pipelines and modern engineering practices Experience with vector databases (e.g. Pinecone, Chroma) Experience with agent frameworks (e.g. LangChain, LangGraph, or similar) Understanding of AI evaluation frameworks and production readiness Experience working in Agile delivery environments (Agile, SAFe, XP, Jira, Confluence, etc.) Desirable Experience Experience ...

Artificial Intelligence Engineering Manager

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
distributed systems Expertise in API-based backend development (e.g. FastAPI or similar) Experience with vector databases (e.g. Pinecone, Chroma) Experience with agent frameworks (e.g. LangChain, LangGraph, or similar) Strong understanding of evaluation frameworks for AI/agent systems Experience implementing CI/CD pipelines and modern engineering practices Exposure ...

Lead AI Architect - Capital Markets/Banking - Global Consulting Firm

Hiring Organisation
Milburn Lewis
Location
London Area, United Kingdom
deployment and hosting Retrieval Augmented Generation (RAG), vector databases, semantic search and embedding techniques Python development and AI frameworks such as PyTorch, TensorFlow and LangChain MLOps frameworks and AI model lifecycle management API integration and enterprise-wide AI solution delivery Presenting architecture solutions to senior stakeholders, governance forums and architecture ...

Director of AI Engineering

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
design and deployment of scalable AI solutions across Python, .NET, and cloud-native platforms Drive adoption of advanced frameworks (PyTorch, TensorFlow, Hugging Face, LangChain) Oversee integration of LLMs (OpenAI, Anthropic, Gemini, Mistral) via enterprise platforms (Azure OpenAI, Vertex AI) Implement RAG architectures and manage vector databases (Pinecone, Weaviate, FAISS, Milvus ...

Data Scientist

Hiring Organisation
Coltech
Location
London Area, United Kingdom
with cloud platforms (AWS, Azure, or GCP) Understanding of statistics, predictive modelling, and data analysis Excellent communication and stakeholder engagement skills Desirable Experience with LangChain, CrewAI, AutoGen, or similar frameworks MLOps/CI-CD experience Vector databases and semantic search knowledge Enterprise-scale AI project experience ...

AI Engineer

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
Bracknell, England, United Kingdom
like Docker, Kubernetes , and CI/CD pipelines Experience working with data stores (SQL/NoSQL) and large datasets Bonus: experience with AI frameworks (LangChain, LlamaIndex, etc.) Why Join? Be the first AI hire — real ownership and influence Work on meaningful, tech-for-good products Modern stack, forward-thinking leadership ...

Artificial Intelligence Engineer - Java/Python

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
Reading, England, United Kingdom
like Docker, Kubernetes , and CI/CD pipelines Experience working with data stores (SQL/NoSQL) and large datasets Bonus: experience with AI frameworks (LangChain, LlamaIndex, etc.) Why Join? Be the first AI hire — real ownership and influence Work on meaningful, tech-for-good products Modern stack, forward-thinking leadership ...

Senior AI Engineer - Consulting

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
client proposals Candidates should have strong experience in AI Engineering, MLOps and cloud-native AI platforms, alongside hands-on knowledge of technologies such as LangChain, LlamaIndex, MLflow, Kubernetes, Docker and CI/CD tooling. Applicants will ideally demonstrate: * Experience working in a major Consulting firm, and/or in industry ...

Management Consultant - Senior Consultant - Data Science

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
environments . Confidence balancing technical delivery with commercial and client needs. Bonus Experience Experience building internal AI tools, copilots or assistants . Exposure to LangChain, LlamaIndex or similar orchestration frameworks . Well‐developed production mindset , with a focus on reliability and maintainability. Benefits What we can offer you: A total ...

Agentic / GenAI Consultant / Senior Consultant

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
quality tools. · AI Engineering (Desirable): RAG pipelines, agentic workflows, MCP, LLM integration (OpenAI, Gemini or other models from Huggingface), LangSmith, TruLens.* Agentic Frameworks (Desirable): LangChain, CrewAI, Autogen, OpenAI Agents, Google ADK.We’re a fantastic team of bright, ambitious people who love to bring the latest tech to real clients ...

AI Architect

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Generative AI & LLMs, RAG (Retrieval-Augmented Generation), Agentic AI frameworks Hands-on with; LLMs (OpenAI, Llama, Claude, Mistral), Vector DBs (Pinecone, Weaviate, FAISS), Frameworks (LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph) Strong Python + ML frameworks (PyTorch/TensorFlow) Experience deploying on AWS, Azure, or GCP Experience leading or influencing technical teams ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
architectures and their integration into enterprise systems You have experience with GenAI development frameworks or orchestration tools such as Semantic Kernel, AutoGen, LangGraph, LangChain, or PromptFlow. You are familiar with core agent communication protocols, including MCP or A2A. You are a person who loves to stay current with the latest ...

Data Scientist

Hiring Organisation
Russell Tobin
Location
London Area, United Kingdom
Looking For We want engineers and scientists who can take AI from concept to production. Strong Experience In LLMs, GenAI, and Agentic AI systems LangChain, LangGraph, LlamaIndex, Semantic Kernel, or similar frameworks RAG pipelines and vector databases AI agents and multi-agent orchestration Python, PyTorch, TensorFlow, Scikit-learn Cloud ...

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London Area, United Kingdom
. Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow Orchestration (LangChain, LangGraph, CrewAI) Knowledge of SLM Finetuning and Distillation is big advantage. Experience and knowledge of Agentic development platforms and experience building and delivery enterprise agentic ...

Associate Director

Hiring Organisation
Experis UK
Location
England, United Kingdom
technical stakeholders • Mentoring and upskilling engineers, building a culture of engineering excellence ────────────────────────────── WHAT WE'RE LOOKING FOR ────────────────────────────── ✅ Expert Python — plus hands-on experience with LangChain, LangGraph, PyTorch, TensorFlow or equivalent ✅ Deep knowledge of LLMs, RAG, prompt engineering, fine-tuning, vector databases, and generative architectures ✅ Production AI/ML delivery experience ...

Mid-Senior AI Engineer

Hiring Organisation
Renude
Location
United Kingdom
experience building backend systems and APIs Hands on experience building agentic workflows, tool-calling pipelines, and stateful orchestration using frameworks such as LangGraph, LangChain, LlamaIndex, AutoGen, CrewAI or similar agent orchestration frameworks Strong experience designing and optimising retrieval systems, including vector stores (Pinecone, Weaviate, Chroma), graph-based RAG architectures, hybrid ...

Founding Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
scalability, and system design Help establish engineering best practices in a fast-moving early-stage environment Tech Stack Python TensorFlow/PyTorch LLM frameworks (LangChain, LangGraph, or similar agentic AI tooling) AWS/Azure cloud platforms (including AI services such as Bedrock) Data engineering tools (e.g. AWS Glue or equivalent ...

AI Engineer

Hiring Organisation
Hypercube Consulting
Location
Glasgow, Scotland, United Kingdom
production cloud environments. Python: Strong capability in developing production-quality AI/ML code. LLMOps & AI Model Management: Familiarity with tools like MLFlow, LangChain, Hugging Face, Kubeflow, or similar platforms. Data Processing: Working knowledge of Databricks/Spark or comparable large-scale data processing tools. SQL: Solid capabilities in data ...

AI Engineer - Financial Services Consulting

Hiring Organisation
Datatech Analytics
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
integrations Collaborating across engineering, architecture and business teams Supporting AI deployment, governance and operational rollout Environment Python, SQL LLMs, prompt engineering, fine-tuning, RAG LangChain, LangGraph, Agent frameworks Vector databases, FastAPI, APIs AWS, Azure, GCP or Databricks CI/CD, MLOps and LLMOps Requirements Strong software or data engineering foundations ...

AI Engineer - Financial Service Consulting

Hiring Organisation
Datatech Analytics
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
integrations Collaborating across engineering, architecture and business teams Supporting AI deployment, governance and operational rollout Environment Python, SQL LLMs, prompt engineering, fine-tuning, RAG LangChain, LangGraph, Agent frameworks Vector databases, FastAPI, APIs AWS, Azure, GCP or Databricks CI/CD, MLOps and LLMOps Requirements Strong software or data engineering foundations ...

AI Solution Architect

Hiring Organisation
Datatech Analytics
Location
Scotland, United Kingdom
with engineering, data, DevOps and business teams • Advising clients on AI platform capability and implementation strategy Environment Python LLMs, prompt engineering, fine-tuning, RAG LangChain, LangGraph, Agent frameworks Vector databases and semantic search MLOps and LLMOps AWS, Azure, GCP, Databricks Containerisation, Kubernetes and GPU infrastructure Requirements • Experience designing enterprise ...