1 to 25 of 79 LangChain Jobs in the UK

AI Technical Architect

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
Strong expertise in LLMs and RAG architectures , including models such as OpenAI, LLaMA, Mistral or Claude. Hands-on experience with GenAI frameworks such as LangChain, LlamaIndex, AutoGen, CrewAI or LangGraph . Experience designing AI systems using vector databases (e.g. Pinecone, Weaviate, FAISS). Solid understanding of prompt engineering, model tuning ...

AI Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
enterprise-level AI/Gen AI platform/solutions with the client's existing enterprise stack. Hands-on mastery of core GenAI frameworks (e.g., LangChain, LlamaIndex) and practical experience with Agentic AI frameworks and concepts (e.g., AutoGen, CrewAI, LangGraph). Strong working knowledge and practical deployment experience on at least ...

AI Architect

Hiring Organisation
DCV Technologies Limited
Location
North West London, London, United Kingdom
Employment Type
Permanent
discovery through delivery Required Experience Proven experience as an AI Architect/Machine Learning Architect/GenAI Architect Hands-on expertise with LLMs, RAG, LangChain, LangGraph, prompt engineering Strong cloud experience: Azure OpenAI, AWS Bedrock/SageMaker or GCP Vertex AI Experience with Kubernetes, Docker, microservices, API integration Strong knowledge ...

AI Architect Generative AI / LLM / Cloud (Enterprise Scale)

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Permanent
rollout Required Experience Demonstrated experience as an AI Architect, Machine Learning Architect, or Generative AI Architect Strong hands-on expertise with LLMs, RAG architectures, LangChain, LangGraph, and prompt engineering Deep cloud knowledge including Azure OpenAI, AWS Bedrock/SageMaker, or GCP Vertex AI Experience with Kubernetes, Docker, microservices architectures ...

AI Engineer Python Fullstack

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Experience building applications using LLMs (GPT, Llama, Mistral, Claude) including prompt engineering, fine-tuning and evaluation. Hands-on experience with GenAI frameworks such as LangChain, LlamaIndex and agent frameworks like AutoGen, CrewAI or LangGraph . Experience building RAG architectures with vector databases (Pinecone, Weaviate, FAISS). Strong understanding of MLOps ...

Generative AI Architect

Hiring Organisation
167 Solutions Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
similar Cloud & Architecture Azure AI, AWS AI/Bedrock, Google Vertex AI API-led architectures and microservices Security, governance, and responsible AI Frameworks & Tooling LangChain, LlamaIndex, Semantic Kernel or equivalent Integration with enterprise systems (CRM, ERP, collaboration platforms) Desirable Experience in regulated environments AI ethics, governance, and compliance knowledge Background ...

Artificial Intelligence Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£75,000
LLMs (e.g., GPT series, Llama series, Mistral, Claude), including prompt engineering, fine-tuning, and evaluation. Hands-on experience with core GenAI frameworks (e.g., LangChain, LlamaIndex) and Agentic AI frameworks (e.g., AutoGen, CrewAI, LangGraph). Proficiency in MLOps/LLMOps tools (MLflow, Kubeflow, Docker, Kubernetes). Strong working knowledge and practical ...

Artificial Intelligence Engineer

Hiring Organisation
STACKSTUDIO DIGITAL LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
LLMs (e.g., GPT series, Llama series, Mistral, Claude), including prompt engineering, fine-tuning, and evaluation. Hands-on experience with core GenAI frameworks (e.g., LangChain, LlamaIndex) and Agentic AI frameworks (e.g., AutoGen, CrewAI, LangGraph). Proficiency in MLOps/LLMOps tools (MLflow, Kubeflow, Docker, Kubernetes). Strong working knowledge and practical ...

AI Engineer

Hiring Organisation
Akixi
Location
United Kingdom
analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (e.g. TensorFlow, PyTorch and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic and/or AWS Bedrock). Experience with Microsoft Bot Framework, Dialogflow, or similar conversational ...

Lead AI Engineer

Hiring Organisation
Akixi
Location
United Kingdom
analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (e.g. TensorFlow, PyTorch, and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic, and/or AWS Bedrock). Experience with Microsoft Bot Framework, Dialogflow, or similar conversational ...

AI Lead (ML Ops)

Hiring Organisation
ScaleneWorks People Solutions LLP
Location
City of London, London, United Kingdom
payments transformation programs Technical Strong Python skills Experience with ML libraries (Scikit-learn, TensorFlow, PyTorch, XGBoost, etc.) Experience with LLMs/GenAI frameworks (LangChain, RAG, prompt engineering, etc.) Experience in cloud (AWS/Azure/GCP) · Experience in MLOps tools (MLflow, Kubeflow, SageMaker, Azure ML, etc.) API development experience Techno ...

AI Engineer

Hiring Organisation
esure Group
Location
Reigate, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
version control, e.g., Git. Exposure to LLMOps, model monitoring principles, CI/CD and associated tech, e.g., Docker, MLflow, k8s, FastAPI etc. Knowledge of Langchain, huggingface and LLM offerings by 3rd party vendors. Knowledge of OO programming and software design, i.e., SOLID principles. Knowledge and working experience of AGILE methodologies. ...

AI Engineer - Greenfield AI Project - Leeds (Hybrid)

Hiring Organisation
Searchability (UK) Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
with this vacancy only. KEY SKILLS AI, Python, Machine Learning, Software Engineering, Data, APIs, Cloud, Agile, Python, TensorFlow, PyTorch, Scikit-learn, XGBoost, NLTK, OpenAI, LangChain, Pandas, NumPy, MLflow, Kubeflow, Docker, Kubernetes, Azure Machine Learning, Google Vertex ...

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 ...

Lead AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
Python skills and experience developing APIs and production AI systems. Hands on experience with LLMs, embeddings, RAG, vector databases and retrieval frameworks. Familiarity with LangChain, LangGraph or similar agentic frameworks. Solid engineering fundamentals including Docker, Kubernetes and CI/CD. BENEFITS The successful Lead AI Engineer will receive the following ...

GenAI Full Stack Engineer

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. ...

AI Engineer

Hiring Organisation
Reward Gateway
Location
London, England, United Kingdom
providers such as Anthropic, Claude and OpenAI, with the ability to evaluate additional model providers and approaches. Familiarity with LLM tooling ecosystems such as LangChain or LlamaIndex, agentic AI frameworks, vector stores, tracing and logging tools, prompt management platforms, and evaluation frameworks. Strong data engineering capabilities, including dataset creation ...

AI Architect

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
their practical application. And AI FinOps & Model Routing Framework Expertise : Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). Thought Leadership & Open Source : Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. Certifications : Professional-level cloud certifications ...

GenAI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
their practical application. And AI FinOps & Model Routing • Framework Expertise: Hands-on development experience with one or more orchestration frameworks (e.g., LangChain, LlamaIndex, Semantic Kernel). • Thought Leadership & Open Source: Published work (whitepapers, patents), conference speaking engagements, or active contributions to relevant open-source projects. • Certifications: Professional-level cloud certifications ...

Solutions Architect

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
platform. What You’ll Be Doing • Architect and implement enterprise Generative AI solutions using LLMs, RAG pipelines, prompt engineering and frameworks such as LangChain • Design scalable AI systems using Azure OpenAI, OpenAI API, Claude, Bedrock or Vertex AI • Lead the architecture of secure, production-ready solutions across cloud and distributed ...

AI Engineer – Production LLM Systems

Hiring Organisation
Redimeer
Location
City of London, London, United Kingdom
failure modes Practical experience with RAG , vector databases, knowledge graphs, and prompt engineering Experience building multi‐step LLM workflows and agentic systems (e.g. LangChain, LangGraph, Claude Agents SDK, Strands, or custom frameworks) Strong proficiency in Python (or similar language) and developing production APIs/services Cloud experience with ...

Senior AI Engineer

Hiring Organisation
Space Executive
Location
London Area, United Kingdom
thrive in fast-moving, ambiguous environments where experimentation is encouraged What You’ll Work With: Tech Stack Frontend: React Backend: NestJS, Python (FastAPI), LangChain Test Automation: Pact, Jest, Cypress, Pytest (including AI testing) Infrastructure: AWS ECS, PostgreSQL, Kafka Infrastructure as Code: Terraform (native AWS services where possible) CI/ ...

Senior Data Scientist - 12 Month FTC

Hiring Organisation
Vitality Corporate Services Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
etc.) Hands-on experience with LLM-based applications Experience building RAG systems and agentic workflows that leverage external tools Familiarity with agentic SDKs (ADK, LangChain, LlamaIndex, etc.) Proven track record of deploying AI applications into production environments Strong understanding of API development, microservices, and containerization (Docker, Kubernetes) Knowledge of MLOps ...

Senior Data Scientist - 12 Month FTC

Hiring Organisation
Vitality
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
etc.) Hands-on experience with LLM-based applications Experience building RAG systems and agentic workflows that leverage external tools Familiarity with agentic SDKs (ADK, LangChain, LlamaIndex, etc.) Proven track record of deploying AI applications into production environments Strong understanding of API development, microservices, and containerization (Docker, Kubernetes) Knowledge of MLOps ...

Principal AI Software Engineer

Hiring Organisation
Formula Recruitment
Location
London Area, United Kingdom
Requirements: Proven experience designing and productionising RAG pipelines and agentic AI architectures Hands‐on delivery of agent‐based AI systems with orchestration tools (e.g., LangChain, CrewAI) in production. Strong Python engineering skills with solid testing, optimisation, CI/CD, and code quality; Experience implementing and scaling vector databases (Pinecone, Weaviate ...