126 to 150 of 604 OpenAI Jobs in England

Technical Lead

Location
Greater London, England, United Kingdom
chatbots, voice agents, RAG pipelines and multi-agent architectures. Own prompt engineering practices across the platform - crafting, testing, versioning and optimising prompts for LLMs (OpenAI, Azure OpenAI and open-source models). Implement evaluation frameworks to measure LLM output quality, hallucination rates, latency and cost. Integrate AI models into production … environments and manage model lifecycle, versioning and observability. Leverage Azure Machine Learning, OpenAI APIs and multi-agentic frameworks (LangChain, AutoGen, CrewAI) to build intelligent, data-driven experiences. Champion the use of modern AI development tooling (Cursor, GitHub Copilot, Claude) across the engineering team. Voice AI: STT, TTS and Telephony Lead ...

Senior Developer - AI Enablement

Location
City Of London, England, United Kingdom
Strong hands‐on experience building production APIs/backend services in Python or TypeScript/Node.js. Practical experience integrating LLM APIs (e.g., Anthropic Claude, OpenAI, Mistral) into applications or workflows. Solid understanding of prompt management, structured outputs, tool calling, context handling, and agentic patterns. Experience deploying cloud-native applications ...

Senior Developer - AI Enablement

Hiring Organisation
Henderson Scott
Location
South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
Umbrella rate
Strong hands-on experience building production APIs/backend services in Python or TypeScript/Node.js. Practical experience integrating LLM APIs (e.g., Anthropic Claude, OpenAI, Mistral) into applications or workflows. Solid understanding of prompt management, structured outputs, tool calling, context handling, and agentic patterns. Experience deploying cloud-native applications ...

Forward Deployed AI Engineer London, England, United Kingdom Research and Development

Location
Greater London, England, United Kingdom
experience in a software engineering, solutions engineering, or ML deployment role Proficiency in Python and working knowledge of AI/ML frameworks (e.g., OpenAI, Hugging Face, LangChain, Pinecone, Weaviate) Familiarity with building LLM applications, RAG systems, or conversational AI workflows Experience integrating with enterprise systems via APIs or middleware (e.g. ...

Data Scientist

Location
Greater London, England, United Kingdom
Retrieval‐Augmented Generation, fine‐tuning, or building LLM evaluation suites). Knowledge of embeddings, vector databases, and prompt engineering; experience with frontier model APIs (OpenAI, Anthropic, Google). Experience with MLOps/LLMOps: versioning, monitoring, and iterating models in production. Excellent at agentic coding; skilled at using tools such ...

Software Developer

Hiring Organisation
Innovation24 Ltd
Location
Stockport, United Kingdom
Employment Type
Permanent Contract, Full Time, On-site, Hybrid
Salary
£50,000
Apps, or other Azure resources. Understanding of DevOps practices and CI/CD pipelines. Experience with REST APIs and integrations. Exposure to Azure AI, OpenAI, Copilot technologies, or machine learning solutions. Knowledge of IoT platforms or data-driven applications. Attractive pay, corporate pension scheme, life assurance, healthcare coverage, support program ...

AI Engineer

Location
Slinfold, England, United Kingdom
building and deploying production-grade AI and LLM-powered applications, ideally using Python. Hands-on experience with leading LLM platforms such as AWS Bedrock, OpenAI, Anthropic, or similar technologies. Strong understanding of retrieval-augmented generation (RAG), AI agent design, and modern generative AI architectures. Experience working with cloud infrastructure, deployment ...

Software Engineer II - Applied AI

Location
Greater London, England, United Kingdom
with a strong emphasis on code quality and reliability through comprehensive testing. Extensive experience with generative AI models, mainly as cloud service APIs (e.g., OpenAI). Experience with integrating user feedback to establish self-improving AI applications. Solid understanding of data preprocessing, feature engineering, and model evaluation techniques. Familiarity with ...

Senior Data Consultants London

Location
Greater London, England, United Kingdom
600+ AI experts serving 50+ enterprise clients from 5 global locations, we work side-by-side with top partners – including Anthropic, Databricks, AWS, OpenAI, and Microsoft – to deliver modern AI with speed and measurable impact. We recognise “data” is broad, that’s why we’re keen to speak to those ...

Principal AI Engineer

Location
Greater London, England, United Kingdom
Skills & Experience Deep experience architecting and scaling enterprise-grade AI/ML systems . Proven expertise with cloud AI ecosystems (AWS Bedrock, SageMaker, Azure OpenAI, Azure ML). Strong command of agent frameworks , vector databases , and LLM orchestration tools . Ability to lead multi-disciplinary teams and manage complex ...

AI Tech Pre-sales - UK

Location
City Of London, England, United Kingdom
data science fundamentals, solution lifecycles, and MLOps methodology. Generative AI Knowledge: Experience with LLMs, neural networks, and recommendation systems. Frameworks: TensorFlow, PyTorch, Hugging Face, OpenAI tools. Certifications: Cloud or AI architecture certifications are a plus. About SDG Group and the Role SDG Group is a global consulting firm, fully dedicated ...

Senior AI Engineer

Location
Bradford, England, United Kingdom
about sharing knowledge, mentoring others, and building AI capability across teams rather than working in isolation. Desirable experience with .NET, Azure AI services, Azure OpenAI, Azure AI Search, Azure Machine Learning, SQL Server, cloud‐native development, Semantic Kernel, and production AI/ML deployments. Experience contributing to shared platforms, reusable ...

Data Platform Engineer

Location
Greater London, England, United Kingdom
data services with exposure to AI systems (e.g., AWS DataZone, Bedrock, Redshift, Glue ) and/or Azure data services (e.g., Azure OpenSearch, Azure OpenAI, Fabric, Purview, Data Factory, Synapse ) Proficiency with Python for data processing and pipeline development. Experience in building scalable and resilient data platforms in the public cloud. ...

Lead Security Architect – AI & Data

Location
Salford, England, United Kingdom
cyber security consulting or enterprise security leadership roles. Strong experience securing AI, machine learning and cloud-based services. Expert knowledge of Microsoft Azure, Azure OpenAI, AI Foundry and cloud security principles. Experience leading threat modelling, security architecture reviews and control design activities. Strong knowledge of security frameworks including NIST ...

Senior AI Engineer

Location
Bradford, England, United Kingdom
about sharing knowledge, mentoring others, and building AI capability across teams rather than working in isolation. Desirable experience with .NET, Azure AI services, Azure OpenAI, Azure AI Search, Azure Machine Learning, SQL Server, cloud-native development, Semantic Kernel, and production AI/ML deployments. Experience contributing to shared platforms, reusable ...

Senior Full Stack Engineer

Location
Leeds, England, United Kingdom
follow and applying appropriate human review Experience building production applications or integrations using the Claude API or SDKs (or comparable LLM APIs such as OpenAI or Gemini), including tool use and the Model Context Protocol (MCP) Experience of defining team standards for AI-assisted development and coaching others in their ...

Data and AI - AI Engineer

Location
City Of London, England, United Kingdom
strategy, AI engineering, GenAI solutions, and modern AI architecture patterns. This role is intentionallyplatform-agnostic . While experience with tools such as Anthropic Claude, OpenAI models (e.g. Codex/GPT), and other frontier or open‐source LLMs is valuable, we are primarily looking for individuals whounderstand core AI engineering principles ...

Senior ML Platform Engineer (Agentic Platform) Location: London

Location
Greater London, England, United Kingdom
level, plus willingness to join a paid on‐call rotation. Nice to have: Experience with agent frameworks or durable workflow technologies such as LangGraph, OpenAI Agents SDK, or Temporal. Experience with agent evaluation, simulation, or production feedback loops. Experience designing sandboxed execution environments, delegated authorization for autonomous systems. Hands ...

Senior AI Software Engineer / AI Model Specialist

Location
Greater London, England, United Kingdom
Language Processing (NLP) Generative AI Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) Reinforcement Learning Frameworks & Technologies PyTorch TensorFlow Scikit-learn LangChain Hugging Face OpenAI and Azure OpenAI Services Vector Databases Docker Kubernetes Cloud Platforms Microsoft Azure Azure AI Services Azure Machine Learning AWS or Google Cloud (advantage) Development Practices ...

Applied AI Engineer, Government, International

Location
Greater London, England, United Kingdom
teams, subject matter experts, regional cloud providers, systems integrators, and implementation partners to move from prototype through production. You’ll design architectures using supported OpenAI technologies and approved services, with explicit data, inference, evaluation, and production-readiness boundaries. You will collaborate closely with regional Sales and Solutions Engineering, Global Affairs … with sophisticated international public-sector customers, serving as their hands-on engineering partner to build applications on supported model APIs, Codex, and other approved OpenAI technologies. Work with senior customer stakeholders to identify the best applications of GenAI in their industry and to build/qualify a comprehensive backlog ...

Software Engineer, Model Deployment- ChatGPT Engineering

Location
Greater London, England, United Kingdom
orchestration, configuration management, operational automation, reliability, and capacity management. You will help transform complex operational processes into scalable platform capabilities that enable teams across OpenAI to deploy and manage models with greater confidence and less manual effort. This role is a good fit for engineers who enjoy solving complex operational … reliability engineering, or similar disciplines. Strong systems design, debugging, and operational problem-solving skills. Strong communication skills and experience collaborating across engineering teams. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries ...

Product Engineer, Cyber

Location
Greater London, England, United Kingdom
agent workflows would be useful; we don’t expect expertise across all of them. Frontend experience is welcome but not required. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities … basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. OpenAI’s affirmative action and equal employment opportunity policy statement Background checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest ...

Applied AI Engineer, Startups (Codex)

Location
Greater London, England, United Kingdom
Applied AI Engineer, Startups (Codex) | OpenAI Careers Applied AI Engineer, Startups (Codex) Technical Success - London, UK About the team The Applied AI Engineering team works closely with frontier startups. We are trusted advisors to, and thought partners with, startups to ensure that OpenAI’s technology is deployed safely and effectively … alongside targeted work with individual customers. You’ll build reusable tools and resources that extend your impact, and bring insights from developers back to OpenAI’s Product, Research, and Engineering teams. This role is well suited to someone who enjoys both hands‐on building and sharing what they learn with ...

AI/ML Security Architect

Location
Reading, England, United Kingdom
architecture background combined with genuine AI/LLM security experience. Exposure to technologies such as GCP/Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Anthropic Claude or LangChain/LangGraph would be particularly relevant. This is a cutting-edge opportunity which will shape how AI is securely adopted across ...

AI/ML Security Architect

Location
Greater London, England, United Kingdom
architecture background combined with genuine AI/LLM security experience. Exposure to technologies such as GCP/Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Anthropic Claude or LangChain/LangGraph would be particularly relevant. This is a cutting-edge opportunity which will shape how AI is securely adopted across ...