76 to 100 of 153 OpenAI Jobs in the UK excluding London

SC Cleared Lead AI Engineer (AI adoption & Governance)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
scale production systems, sufficient to embed within delivery teams and be credible on their stack. Model access and platform routes e.g., AWS Bedrock, Azure OpenAI, AI/MCP Gateways, model routing, authentication, and cost optimisation Structured evaluation of tools or techniques, e.g., defining clear hypotheses, baselines, success criteria, and candid ...

AI LLM Technology Architecture Associate Manager

Hiring Organisation
Hackajob Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
looking for experience in the following skills and experience: AI/ML platform technologies and services such as Sagemaker/Vertex/Azure ML, OpenAI, Langchain, AutoML, OCR, STT, feature stores, vector DB AI/ML architectural patterns and best practices e.g. data drift detection, experimentation tracking, RAG, deployment models ...

Senior Applied AI Engineer

Location
Norwich, England, United Kingdom
level Python engineering, writing and reviewing production-quality code for complex multi-agent systems. Agentic Architectures: Deep expertise in agent orchestration frameworks (AWS Strands, OpenAI Agents SDK, Google ADK, DSPy or raw agent loop design). Context & Retrieval: Advanced context engineering expertise, including multi-hop retrieval, knowledge graphs (Neptune/ ...

AI Solution Architect

Location
Belfast, County Antrim, United Kingdom
including large language models and agentic AI (prompt engineering, RAG, tool and function calling, orchestration), on the Microsoft AI stack such as Azure OpenAI, Azure AI Foundry and Azure AI services. Proven experience of technical ownership for an AI product or software project, including architecture, estimation, product planning and user ...

AI Solution Architect

Hiring Organisation
Kainos
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 70 K
including large language models and agentic AI (prompt engineering, RAG, tool and function calling, orchestration), on the Microsoft AI stack such as Azure OpenAI, Azure AI Foundry and Azure AI services. Proven experience of technical ownership for an AI product or software project, including architecture, estimation, product planning and user ...

AI Solution Architect

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
including large language models and agentic AI (prompt engineering, RAG, tool and function calling, orchestration), on the Microsoft AI stack such as Azure OpenAI, Azure AI Foundry and Azure AI services. Proven experience of technical ownership for an AI product or software project, including architecture, estimation, productplanningand user story/ ...

Senior Offensive Security Engineer (Autonomous testing)

Location
City of Edinburgh, Scotland, United Kingdom
counts. You are fluent with tool calling, structured output, the Model Context Protocol, and at least one agent framework or SDK (LangGraph, CrewAI, the OpenAI or Claude Agent SDKs, PydanticAI, or a hand-rolled loop). We are framework-agnostic and interested in your reasoning. You can describe an evaluation ...

Senior AI Engineer

Hiring Organisation
83zero Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£70,000
applications and APIs using Python and FastAPI Develop LLM, RAG and AI agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI framework Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take … LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices Experience with AWS or Azure, Docker and ideally Kubernetes Experience with PostgreSQL, MongoDB ...

Senior Python Developer - AI

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
applications and APIs using Python and FastAPI Develop LLM, RAG and AI agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI framework Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take … LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices Experience with AWS or Azure, Docker and ideally Kubernetes Experience with PostgreSQL, MongoDB ...

Senior AI Engineer

Hiring Organisation
83zero Limited
Location
Glasgow, UK
Employment Type
Full-time
doing: Build production applications and APIs using Python and FastAPIDevelop LLM, RAG and AI agent solutionsBuild RAG pipelines covering embeddings, retrieval and generationWork with OpenAI, Anthropic, Mistral, Llama and similar LLMsUse LangChain, LangGraph, CrewAI or similar AI frameworkWork with vector databases including Pinecone, Qdrant, ChromaDB and PGVectorTake GenAI POCs into … experience with LLMs, Generative AI and RAGExperience with AI frameworks such as LangChain, LangGraph or CrewAIExperience with vector databases and semantic searchExperience with OpenAI, Anthropic, Mistral, Llama or similarGood software engineering, testing and Git practicesExperience with AWS or Azure, Docker and ideally KubernetesExperience with PostgreSQL, MongoDB or similar databasesExperience with ...

AI Software Engineer

Hiring Organisation
Oscar
Location
Leicester, Leicestershire, United Kingdom
Salary
£ 70 K
specialise in AI development.What you'll be doingDevelop production-ready AI-enabled software applications.Build and maintain backend services supporting LLM and ML functionality.Integrate OpenAI, Anthropic and other AI models into enterprise software.Create scalable APIs and microservices for intelligent applications.Work with cloud infrastructure to deploy and monitor AI workloads.Collaborate across Engineering ...

AI Software Engineer

Hiring Organisation
Oscar
Location
Leicester, UK
Employment Type
Full-time
development. What you'll be doingDevelop production-ready AI-enabled software applications. Build and maintain backend services supporting LLM and ML functionality. Integrate OpenAI, Anthropic and other AI models into enterprise software. Create scalable APIs and microservices for intelligent applications. Work with cloud infrastructure to deploy and monitor AI workloads. ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
Cardiff, United Kingdom
already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer ...

IT Security Engineer (AI)

Location
Leeds, England, United Kingdom
CISM, Microsoft AI-500, SANS, TAISE, CCSP or CCSK We'd also value experience across some of the following Microsoft Copilot, Copilot Studio, Azure OpenAI and Azure AI Foundry environments. And in return, you'll get the best from us: Hybrid working - 2 days per week in the office Annual ...

IT Security Engineer (AI)

Hiring Organisation
Leeds Building Society
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
CISM, Microsoft AI-500, SANS, TAISE, CCSP or CCSK We'd also value experience across some of the following Microsoft Copilot, Copilot Studio, Azure OpenAI and Azure AI Foundry environments. And in return, you'll get the best from us: Hybrid working 2 days per week in the office Annual ...

AI Economics & FinOps Lead

Hiring Organisation
WTW
Location
Surrey, United Kingdom
Employment Type
Full Time
Working knowledge of LLM/GenAI pricing structures (input/output token pricing, context caching, batch vs. real-time discounts) across major providers (Azure OpenAI, Anthropic, etc.) Experience with token usage monitoring or metering tools Familiarity with performance optimisation practices, such as instance rightsizing, workload optimisation, and model inference efficiency. ...

Python Developer - GenAI

Hiring Organisation
83zero Limited
Location
Glasgow, UK
Employment Type
Full-time
applications and APIs using Python and FastAPI*Develop LLM, RAG and AI agent solutions*Build RAG pipelines covering embeddings, retrieval and generation*Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs*Use LangChain, LangGraph, CrewAI or similar AI frameworks*Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector*Take … LLMs, Generative AI and RAG*Experience with AI frameworks such as LangChain, LangGraph or CrewAI*Experience with vector databases and semantic search*Experience with OpenAI, Anthropic, Mistral, Llama or similar*Good software engineering, testing and Git practices*Experience with AWS or Azure, Docker and ideally Kubernetes*Experience with PostgreSQL, MongoDB ...

Python Developer - GenAI

Hiring Organisation
83zero Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£55,000
applications and APIs using Python and FastAPI *Develop LLM, RAG and AI agent solutions *Build RAG pipelines covering embeddings, retrieval and generation *Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs *Use LangChain, LangGraph, CrewAI or similar AI frameworks *Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector *Take … LLMs, Generative AI and RAG *Experience with AI frameworks such as LangChain, LangGraph or CrewAI *Experience with vector databases and semantic search *Experience with OpenAI, Anthropic, Mistral, Llama or similar *Good software engineering, testing and Git practices *Experience with AWS or Azure, Docker and ideally Kubernetes *Experience with PostgreSQL, MongoDB ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
applications and APIs using Python and FastAPI Develop LLM, RAG and AI agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI frameworks Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take … LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices Experience with AWS or Azure, Docker and ideally Kubernetes Experience with PostgreSQL, MongoDB ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
Manchester, UK
Employment Type
Full-time
doing: Build production applications and APIs using Python and FastAPIDevelop LLM, RAG and AI agent solutionsBuild RAG pipelines covering embeddings, retrieval and generationWork with OpenAI, Anthropic, Mistral, Llama and similar LLMsUse LangChain, LangGraph, CrewAI or similar AI frameworksWork with vector databases including Pinecone, Qdrant, ChromaDB and PGVectorTake GenAI POCs into … experience with LLMs, Generative AI and RAGExperience with AI frameworks such as LangChain, LangGraph or CrewAIExperience with vector databases and semantic searchExperience with OpenAI, Anthropic, Mistral, Llama or similarGood software engineering, testing and Git practicesExperience with AWS or Azure, Docker and ideally KubernetesExperience with PostgreSQL, MongoDB or similar databasesExperience with ...

Lead AI Engineer

Location
Newcastle upon Tyne, England, United Kingdom
fast-paced learners in our team.* Experience with deploying and scaling AI solutions using at least one major cloud platform: Azure (Foundry, AI Studio, OpenAI, AKS), GCP (Vertex AI, Cloud Run), AWS (Bedrock, SageMaker)* Experience building and automating AI/ML pipelines using tools such as MLflow, Kubeflow, Azure … LangChain, LlamaIndex, CrewAI, Autogen, Google ADK, or similar.* Ability to design and implement RAG pipelines, agentic workflows, MCP and integration with LLM APIs (OpenAI, Anthropic, Hugging Face OR similar).* Proficiency in CI/CD and containerisation: GitHub Actions, Azure DevOps, Docker, Kubernetes. **Nice to haves:*** Familiarity with evaluating ...

Associate AI Agent Platform Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
ship mission‐critical agentic software. The role emphasizes hands-on coding in Python and TypeScript/Node, cloud-native microservices, and exposure to LangGraph, OpenAI/Anthropic SDKs, and AWS. #J-18808-Ljbffr ...

Lead Prompt Engineer for Scalable AI Workflows

Location
Reading, England, United Kingdom
5+ years in software engineering with 2+ years in production prompt engineering, expert Python/Java, and hands-on use of LangChain, LangSmith, and OpenAI Evals. Hybrid UK-based position with equity. #J-18808-Ljbffr ...

Python Software Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £500.00 per day
support a customer with building an AI Chatbot using Python and LlamaIndex. Key Technologies: Python 3.12+ LlamaIndex/RAG Azure AI Foundry/OpenAI Typesense/Vector Search PostgreSQL/Pydantic Plotly Dash Key Duties: Develop and enhance production-grade Python AI applications and chatbot capabilities. Build and improve ...

Agentic AI Architect

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
have experience in handling big teams. You will lead a small, high-output agentic engineering pod migrating AWS Lambda applications to Azure. Inspired by OpenAI’s Harness Engineering model, your primary job is not writing code — it is designing the harness: the scaffolding, constraints, and feedback loops that let Claude ...