176 to 200 of 486 OpenAI Jobs in London

Applied AI Engineer, Quants

Location
Greater London, England, United Kingdom
About the Team OpenAI’s Applied AI Engineering team helps organizations turn frontier AI capabilities into safe, reliable, and high-impact production systems. We work with customer executives, product and engineering teams, security leaders, and transformation teams to identify valuable opportunities, accelerate technical implementation, and scale what works. Enterprise deployments … Applied AI Engineer focused on quantitative investment and trading firms, you will partner directly with researchers, engineers and technical leaders to apply OpenAI’s models and Codex to their research and development workflows. You will combine an understanding of how quants work with hands-on technical skills, helping customers identify ...

Python Developer - AI

Hiring Organisation
83zero Limited
Location
City of London, London, 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 ...

Software Engineer, ChatGPT Infrastructure

Location
Greater London, England, United Kingdom
Software Engineer, ChatGPT Infrastructure | OpenAI Careers Software Engineer, ChatGPT Infrastructure Applied AI Infrastructure - London, UK About the Team Our London-based team builds the backend systems that help ChatGPT scale reliably. We work on infrastructure close to the product, partnering with engineering teams to improve the performance, resilience, and operability … containerized environments, or observability tools is useful but not required. We welcome candidates from backend engineering, distributed systems, platform engineering, and reliability backgrounds. 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 ...

AI Engineer

Location
Greater London, England, United Kingdom
optimise prompts for enterprise AI applications Skills & Experience Generative AI/LLMs Large Language Models (LLMs) Generative AI application development GitHub Copilot Claude Code OpenAI GPT/Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java ...

Senior Python Dev 3 Sun

Location
Greater London, England, United Kingdom
architecture, specifically AWS Lambda and S3 storage, including design patterns, performance optimisation, and cost management Practical experience working with AI large language modelssuch as OpenAI's ChatGPT or Anthropic's Claude, whether through API integration, prompt engineering, or AI-assisted product development A university degree in Computer Science, Mathematics ...

Python Software Engineer

Hiring Organisation
VIQU IT
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 500 Daily
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 ...

Python Software Engineer

Hiring Organisation
VIQU IT
Location
London, Covent Garden, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
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 ...

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 ...

Software Engineer- London

Location
Greater London, England, United Kingdom
production software, including designing, testing, and operating services at scale in a cloud environment. Hands‐on experience with modern LLM providers and tooling (e.g., OpenAI, Anthropic, Hugging Face, vector stores, RAG patterns). Familiarity with prompt design, retrieval‐augmented systems, evaluation methods, and safety/guardrail approaches. Ability to reason ...

Energy Trading - Principal Software Engineer 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. Overview Indicium AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting ...

Graduate Azure Cloud & Data Engineer

Hiring Organisation
Reply
Location
London, UK
Employment Type
Full-time
Engineering in Fabric, and DevOps. You'll work directly with leading Azure tools including Azure Data Factory, Logic Apps, Fabric, PowerBI, Databricks, Azure DevOps, OpenAI and so on. Your role will involve creating robust, scalable cloud-native solutions, automating deployments, and ensuring seamless integrations. Our culture is collaborative, fast-paced ...

Fabric Engineer

Location
City Of London, England, United Kingdom
scale projects Experience working with modern Microsoft Fabric and Azure technologies, such as Synapse, Data Factory, Azure Data Lake Storage (Gen2), Purview, Cosmos DB, OpenAI, Azure ML, and AI Foundry Solid understanding of software engineering concepts, with hands‐on experience using Python, Scala or PySpark, data modelling techniques, database technologies ...

Technical Project Manager

Location
Greater London, England, United Kingdom
/DL/NLP/LLM systems in production environments.* Proficiency in Python and modern AI frameworks and tools (e.g. PyTorch, Transformers, Scikit-learn, OpenAI Codex, Claude Code).* Experience with data engineering, APIs, distributed systems, and cloud platforms (Azure/AWS/GCP).* Experience working with structured ...

Solutions Architect, Metronome (AI Native)

Location
Greater London, England, United Kingdom
billing data to better serve their customers. Our customers love our product and approach, and we’re humbled to work with amazing companies like OpenAI, Anthropic, NVIDIA, TogetherAI, HuggingFace, and many others. You'll be joining an experienced team that includes founders who have successfully built and sold startups before. ...

Microsoft Biz Apps Technical Architect (Power Platform and Dynamics CE)

Location
Greater London, England, United Kingdom
eligible to obtain Security Clearance. Experience deploying Microsoft Copilot Studio (formerly Power Virtual Agents) or implementing custom generative AI solutions using Azure OpenAI Service. Familiarity with configuring autonomous agents and utilizing AI-assisted development tools (e.g., GitHub Copilot) to accelerate delivery velocity. Proven track record in scripting complex data transformations ...

Senior Research Scientist - AI Safety

Hiring Organisation
Faculty
Location
London, UK
Employment Type
Full-time
cybersecurity, and international security. That work has been conducted for several leading frontier model developers and national safety institutes, and has been featured in OpenAI's o1 system card and Meta Muse Spark's Safety & Preparedness Report. About the roleAs a Senior Research Scientist at Faculty, you will join ...

Director, Advanced Computational Infrastructure and AI Platforms

Hiring Organisation
Novo Nordisk Pharma
Location
London, UK
Employment Type
Full-time
decisions that reach across research, clinical development and the enterprise. Novo works through 150+ strategic partnerships and 110+ active research collaborations – recent partnerships with OpenAI and Amazon among them. You will be trusted to own your area, make your voice heard and follow through, with clear performance expectations ...

Marketing AI Engineer

Location
Greater London, England, United Kingdom
extending them with scripting when needed (Python and/or JavaScript). Have working familiarity with AI agent frameworks (e.g., LangChain, Claude Agent SDK, OpenAI Assistants) or a demonstrated ability and appetite to ramp quickly. Be experienced integrating with third‐party APIs and working with marketing data structures (e.g., Salesforce ...

Marketing AI Engineer

Hiring Organisation
Sonar
Location
London, UK
Employment Type
Full-time
extending them with scripting when needed (Python and/or JavaScript). Have working familiarity with AI agent frameworks (e.g., LangChain, Claude Agent SDK, OpenAI Assistants) or a demonstrated ability and appetite to ramp quickly. Be experienced integrating with third-party APIs and working with marketing data structures (e.g., Salesforce ...

Senior Software Engineer

Hiring Organisation
Tipalti
Location
London, UK
Employment Type
Full-time
strong focus on backend APIs and services that power AI/LLM-driven functionality in expenses and procurement. Our Current StackReact Node.jsJavaScript & TypeScriptLLM APIs (OpenAI/Anthropic/similar)Vector databases & retrieval pipelinesThat said, our interview process is technology-agnostic. We care more about strong engineering fundamentals, applied AI/ ...

Senior Manager - Enterprise Data & Analytics - AI Factory

Location
Greater London, England, United Kingdom
modern AI capabilities, including Generative AI, Agentic AI, Retrieval Augmented Generation (RAG), intelligent assistants and AI-enabled automation, and enterprise AI ecosystems such as OpenAI, Google, Anthropic and Microsoft.Experience shaping enterprise AI architectures, designing how AI agents interact with enterprise systems, data, business processes and human decision-makers, while guiding ...

Senior AI Engineer - Agentic AI

Location
Greater London, England, United Kingdom
Agentic AI solutions from prototype to production Implement multi-agent orchestration patterns using frameworks such as LangGraph, CrewAI, AutoGen, Semantic Kernel or OpenAI Agents SDK Develop the orchestration backbone for advanced workflows including planning, checkpointing, retries, fallback handling and resumption of long-running processes Build and optimize RAG pipelines, including … database integrations Familiarity with stateful or long-running systems, including checkpointing and resumable workflows Cloud deployment experience (Azure preferred), using services such as Azure OpenAI, AI Foundry or AI Search, with Docker and Kubernetes Understanding of schema validation frameworks (e.g., JSON Schema, Pydantic) and MLOps tools such as MLflow ...

Associate AI Engineer

Hiring Organisation
British Council
Location
London, United Kingdom
Salary
£ 70 K
backend components using appropriate technologies, including Microsoft Power Apps where suitable and Python or JavaScript-based services where pro-code is required.Use Azure OpenAI Service, Azure AI Foundry, Azure Machine Learning and other Azure AI services to build and integrate AI capabilities.Build, test and evaluate AI and generative AI components … responsible AI risks, and the ability to work in an agile, multidisciplinary team and communicate technical issues clearlyDesirableMicrosoft AI stack. Experience with Azure OpenAI Service, Azure AI Foundry, Azure Machine Learning or related Azure AI services.AI engineering tools. Familiarity with frameworks such as PyTorch, TensorFlow, scikit-learn, Hugging Face, LangChain ...

OpenAI Engineer (Cyber Security)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
OpenAI Engineer (Cyber Security) - SC Cleared Remote | SC Cleared | Up to £445 per day (IR35) Are you passionate about applying cutting-edge AI technologies to solve real-world cyber security challenges? We are looking for an experienced OpenAI Engineer (Cyber AI) to play a key role in shaping the future … technologies can improve operational efficiency, automate investigative tasks and support security analysts. What You'll Be Doing Designing and building AI-powered solutions using OpenAI technologies and APIs. Developing proof-of-concepts and prototypes to support SOC and cyber security operations. Creating AI assistants, copilots and agent-based workflows ...

Account Director, Large Enterprise

Location
Greater London, England, United Kingdom
About the team OpenAI’s mission is to build safe artificial general intelligence (AGI) which benefits all of humanity. This long-term undertaking brings the world’s best scientists, engineers, and business professionals into one lab together to accomplish this. In pursuit of this mission, our Go To Market … leading life sciences organizations, including global pharmaceutical manufacturers, medical device companies, and contract research organizations. You’ll help these companies safely and effectively deploy OpenAI’s technology to transform R&D productivity, automate documentation, enhance regulatory workflows, and personalize patient and provider engagement. This role blends scientific literacy, technical depth ...