1 to 25 of 64 LangChain Jobs in the UK

AI Architect/AI Engineer

Hiring Organisation
K&K Talents
Location
London Area, United Kingdom
team of AI/software engineers Experience driving productivity and cost optimisations Skills: Python with AI/ML frameworks (PyTorch, TensorFlow). Prompt Engineering, Langchain, Langsmith/Langfuse, Gen AI/Agentic AI, Cloud platforms (Azure AI Foundry, AWS Sagemaker/Bedrock, GCP Vertex AI), MLOps/LLMOps tools (MLflow ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
learning, NLP, and large language models. Strong experience with transformer models, embeddings, vector search, and Generative AI architectures. Practical experience using Hugging Face, OpenAI, LangChain, Retrieval Augmented Generation, and diffusion models. Strong MLOps experience including MLflow, Kubeflow, Airflow, Docker, Kubernetes, and CI and CD tooling. Strong programming skills in Python. ...

Senior AI/ML Consultant

Hiring Organisation
Telefónica Tech (EN)
Location
London, England, United Kingdom
Foundry, AI Search, Document Intelligence, AI Services) Data Science & Machine Learning (Databricks, Python, SKLearn, XGBoost, MLFlow, EDA) Familiarity with LLMs (OpenAI, Prompt Engineering, LangChain) Relevant Azure Data & Computation services (ADLS, ADF, Databricks, SQL Databases) Supporting: Azure ML Services React/CSS/JavaScript Azure infrastructure R, Powershell Kubernetes/Docker ...

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 ...

ML Engineer - LLM RAG AWS MLOps – Bristol (Hybrid)

Hiring Organisation
Avanti
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
background, model evaluation and feature engineering Good communication skills and ability to work cross-functionally Bonus points for: LLM fine-tuning and frameworks like LangChain, Hugging Face or LlamaIndex Semantic search, recommendation engines, time-series or computer vision IaC tools like Terraform or CloudFormation Real-time inference, distributed training ...

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 ...

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. ...

Data Science Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £86,000 per annum
base salary Hybrid working with three days in the London office Work with advanced AI platforms including Azure ML, Azure OpenAI, Databricks, MLflow and LangChain Global exposure and the opportunity to work with senior stakeholders across time zones A collaborative, supportive culture that encourages innovation and professional development What ...

Pre Sales AI Architect

Hiring Organisation
Version 1
Location
Edinburgh, Scotland, United Kingdom
unsupervised learning, GenAI, LLMs, embeddings, MLOps, vector search. Experience designing AI solutions using tools such as Azure ML, AWS SageMaker, Google Vertex AI, Databricks, LangChain, and Hugging Face. Ability to develop architecture artefacts (e.g., HLDs), technical narratives, effort estimates, and proposal content. Exceptional storytelling, writing, and presentation skills; able ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£850 - £950/day
Skills Advanced Python and backend languages. Expertise in prompt engineering, fine-tuning, RAG, and agentic design. Familiarity with AI tools (GitHub Copilot, ChatGPT, SonarQube, LangChain, etc.). Understanding of observability, security, and compliance in AI systems. Experience with containerization and cloud deployments. 5 Days on-site in the London Office ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£850 - £950 per day
Skills Advanced Python and backend languages. Expertise in prompt engineering, fine-tuning, RAG, and agentic design. Familiarity with AI tools (GitHub Copilot, ChatGPT, SonarQube, LangChain, etc.). Understanding of observability, security, and compliance in AI systems. Experience with containerization and cloud deployments. 5 Days on-site in the London Office ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Solutions Architect

Hiring Organisation
MANNING SERVICES LIMITED
Location
London Area, United Kingdom
experience building applications with modern LLMs (GPT, Llama, Mistral, Claude), including prompt engineering and fine-tuning. GenAI & Agentic Frameworks: Practical expertise with GenAI tools (LangChain, LlamaIndex) and agentic frameworks (AutoGen, CrewAI, LangGraph). AI Architecture: Deep understanding of AI/ML architectures—microservices, event-driven systems, RAG, Graph RAG, Agentic ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Sr.Data Engineer

Hiring Organisation
Cognizant
Location
London, United Kingdom
Employment Type
Permanent
data privacy, access control, and secure data exchange protocols. Defining and creating MLOPs pipeline Good to Have Skills GenAI Exposure:Experience with LLMs, LangChain, HuggingFace, synthetic data generation, and prompt engineering. Digital Twin Integration:Familiarity with nVidia Omniverse, AWS TwinMaker, Azure Digital Twin or similar platforms and concepts Visualization Tools ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

Agentic AI Engineer

Hiring Organisation
E.ON
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
systems. Strong proficiency in Python and solid software engineering fundamentals. Proven, hands-on experience building and deploying complex workflows using modern agentic frameworks (e.g., LangChain, LangGraph, CrewAI, AutoGen, or equivalent internal frameworks). Practical experience in connecting agents and products to Retrieval-Augmented Generation (RAG) systems, understanding vector stores, chunking ...

AI/MLOps Platform Engineer

Hiring Organisation
Barclays Bank PLC
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
enterprise use cases. Hands-on experience with Hugging Face libraries and tools for model training, evaluation, and deployment. Knowledge of agentic frameworks (e.g., LangChain, AutoGen) and Model Context Protocol (MCP) for building autonomous AI workflows and interoperability. Awareness of emerging trends in GenAI platforms, open-source MLOps, and cloud-native ...