1 to 25 of 128 LangChain Jobs in the UK

Senior AI Architect| London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
multimodal models, and earlier architectures such as GANs and VAEs. Experience across text, code, image, and multimodal generation; advanced prompt engineering; orchestration frameworks (LangChain, LangGraph, LlamaIndex, Semantic Kernel). Hands‐on exposure to both API‐based (Claude, GPT, Gemini) and open‐source (Llama, Mistral) LLM‐based solution design. Agentic ...

Senior Cloud Engineer (Java/Python) - Finance AI Platform

Hiring Organisation
iBSC
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
delivery practices. Preferred Skills Experience with LLM integration, RAG, AI orchestration, or Agentic AI frameworks. Exposure to AI platforms such as Azure OpenAI, OpenAI, LangChain, LangGraph, or Semantic Kernel. Banking or Financial Services domain experience. Candidate Profile Strong engineering and problem-solving skills. Product engineering mindset with a focus ...

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
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 ...

AI Engineer

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
Engineer you should have: Good understanding of Large Language Models (LLMs), prompt engineering, Retrieval-Augmented Generation (RAG), and modern AI frameworks such as LangChain, LangGraph, MCP, with experience developing AI-powered applications. Experience working with vector databases, semantic search, and retrieval optimisation techniques, along with an understanding of context management. ...

AI & ML Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
model endpoints, pipelines, embeddings, vector search) or equivalent cloud‐native AI/ML platforms (e.g. AWS SageMaker, AzureML) and agent orchestration frameworks (e.g. LangChain, LangGraph, ADK). Solid understanding of MLOps – CI/CD, IaC (Terraform), experiment tracking, model registry, and monitoring. Proven experience deploying and operating ML systems ...

Senior AI Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Bonus Points Experience with any of the following would be highly advantageous: AI gateways and model routing Prompt management platforms AI evaluation frameworks LangGraph, LangChain, LlamaIndex, DSPy, CrewAI or similar orchestration frameworks Vector databases and semantic retrieval Knowledge graphs or document understanding systems Building internal AI platforms used by multiple ...

Lead AI Platform Engineer

Hiring Organisation
iBSC
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
practices. Hands-on experience with LLM integration, RAG architectures, AI orchestration frameworks, and Agentic AI solutions. Experience with AI frameworks and tools such as LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, or equivalent. Strong understanding of enterprise architecture, scalability, security, and operational excellence. Preferred Skills Experience with Azure OpenAI, OpenAI, Anthropic ...

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 ...

Staff Software Engineer - Machine Learning

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Strong experience with cloud platforms (AWS, Azure, GCP). Experience with ML frameworks (PyTorch, TensorFlow, scikit‐learn) and Gen AI/Agentic frameworks (LangGraph, LangChain, VectorDBs, RAG). Understanding of responsible AI practices, including guardrails, hallucination mitigation and output quality management. Experience designing and scaling low‐latency, customer‐facing ...

AI/ML Engineers - UK Wide

Hiring Organisation
describe.me
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £150,000 per annum
core ML—supervised, unsupervised, evaluation, regularisation, statistics Production ML experience—deploying, serving and monitoring models at scale LLM and generative AI tooling exposure (LangChain, LlamaIndex, vector databases such as Pinecone, Weaviate or pgvector, RAG patterns, fine-tuning workflows) MLOps platforms (MLflow, Kubeflow, Vertex AI, SageMaker, Databricks or equivalent) Cloud experience ...

AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Data & AI Tooling*** Experience working with structured and unstructured data.* Familiarity with vector stores, embeddings, and document processing pipelines.* Exposure to orchestration frameworks (e.g. LangChain‐style patterns) is desirable.**Domain Experience (Highly Desirable)*** Experience delivering AI or data solutions in insurance or financial services.* Understanding of insurance workflows such ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
management on AKS. Strong hands‐on experience with Azure, including Azure OpenAI, Azure AI Search, AKS, and Databricks. Proven production experience with LangGraph and LangChain, including multi‐step agentic workflows and tool‐calling agents. Hands‐on experience with Azure AI Search or other vector/hybrid search solutions, including vector ...

Senior Data Scientist - ST&S

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
etc.). Ability to move quickly while maintaining code quality, test coverage, and operational excellence. Preferred: Familiarity with AI/ML tools such as LangChain, Haystack, Hugging Face, Weaviate, or similar ecosystems. Hands-on experience with Retrieval Augmented Generation applications, AI agents and systems built around them. Experience using GenAI ...

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 ...

Senior Data Scientist - ST&S

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
etc.).* Ability to move quickly while maintaining code quality, test coverage, and operational excellence. Preferred:* Familiarity with AI/ML tools such as LangChain, Haystack, Hugging Face, Weaviate, or similar ecosystems.* Hands-on experience with Retrieval Augmented Generation applications, AI agents and systems built around them.* Experience using GenAI ...

Enterprise Architect - AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Vertex AI). Generative AI: LLM fine-tuning (LoRA/QLoRA), RAG architecture design, vector databases (Pinecone, Milvus, Weaviate), and agentic frameworks (LangChain, LangGraph, Semantic Kernel). Data pipelines: data lake/lakehouse architectures, ETL/ELT, and data quality/lineage tooling that feed AI systems. Automation, Orchestration & Observability ...

AI Solution Architect - FS Consulting - all levels/banking

Hiring Organisation
Datatech Analytics
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
engineering, data, DevOps and business teams - Advise clients on AI platform capability and implementation strategy Tech environment: Python LLMs (prompt engineering, fine-tuning, RAG) LangChain/LangGraph Agent frameworks Vector databases MLOps/LLMOps AWS/Azure/GCP/Databricks Kubernetes & GPU infrastructure What you'll bring: - Experience designing ...

AI Solution Architect - Financial Service Consulting

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
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 ...

AI Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
cloud security, IAM, cost management. Data & AI Tooling: Working with structured and unstructured data; vector stores, embeddings, document processing pipelines; exposure to orchestration frameworks (LangChain‐style). Domain Experience (Highly Desirable) Experience delivering AI or data solutions in insurance or financial services. Understanding of underwriting, claims, broking, compliance workflows. Experience ...

AI Engineer

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
Technical and Soft Competencies Good understanding of Large Language Models (LLMs), prompt engineering, Retrieval-Augmented Generation (RAG), and modern AI frameworks such as LangChain, LangGraph, MCP. Experience developing AI-powered applications, working with vector databases, semantic search, retrieval optimisation techniques, evaluating, testing and monitoring AI agents and automated workflows, including ...

Manager, Tax Technology and Transformation, AI & Data, London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Demonstrated proficiency in: Rapid prototyping of data science and machine learning solutions on large datasets. Building agentic workflows and autonomous agents using frameworks like Langchain, Semantic Kernel, AutoGen, and LangGraph. Developing and optimizing generative AI models, focusing on prompt engineering and LLMs. Writing production-grade Python applications. Managing version control ...

Dev Ops Lead Virtual Assistant and Automation

Hiring Organisation
BP Energy
Location
Sunbury-On-Thames, London, United Kingdom
models into real-world systems Experience with LLMs, RAG, vector search, conversational AI, or unstructured data pipelines Familiarity with AI tooling/frameworks (e.g. LangChain, LlamaIndex, Haystack, Hugging Face, CrewAI) Experience leading SaaS/cloud-based HR or enterprise platforms Skilled at using data and analytics to identify outcomes ...

AI Solution Architect - Financial Services Consulting

Hiring Organisation
Datatech Analytics
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
partner with engineering, data, DevOps and business teams to deliver end-to-end solutions. Tech environment Python, LLMs (prompt engineering, fine-tuning, RAG), LangChain/LangGraph, agent frameworks, vector databases, MLOps/LLMOps, AWS, Azure, GCP, Databricks, Kubernetes and GPU infrastructure. What we're looking for Proven enterprise ...

AI Software Engineer - eDV Cleared

Hiring Organisation
NSD
Location
London, United Kingdom
Employment Type
Permanent
technically complex challenges Excellent communication and collaboration skills within multidisciplinary teams Nice to have (but not required) Experience with AI frameworks such as LangChain, LangGraph or similar Experience deploying AI workloads within AWS, Azure or GCP Knowledge of MLOps, containerisation or Kubernetes Experience working on National Security, Defence or Intelligence ...