76 to 100 of 278 OpenAI Jobs in England

Sr. Backend Engineer

Location
Greater London, England, United Kingdom
high degree of autonomy while staying deeply embedded in collaborative engineering culture. Tech Stack: Java 21 (Spring Boot 3), Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), PostgreSQL, Kinesis, AWS, Terraform, GitHub Actions, Node.js, TypeScript, Next.js, React. What you will do Take ownership of complex backend systems from design through production ...

Full Stack Software Engineer (Frontend-leaning)

Location
Greater London, England, United Kingdom
PyData stack). Technology Frontend: TypeScript, Next.js, Tailwind, shadcn/ui, Reactflow, Vercel Backend: Go, TypeScript, Postgres, Encore.dev, Google Cloud Services: GitHub, Sentry, Stytch, OpenAI Perks & benefits (for UK-based full-time employees) Competitive salary Generous EMI options 100% book subsidy Pension Health insurance Custom WFH equipment setup #J ...

Senior Client Partner - AI Solutions

Location
Greater London, England, United Kingdom
healthcare, financial services, energy, telecommunications, retail or high‐tech. Established relationships within hyperscaler or AI platform partner ecosystems (e.g. Microsoft, AWS, Google Cloud, Anthropic, OpenAI) in the UK or Europe. Experience selling AI, data, cloud, digital engineering, product development or consulting services into enterprise or high‐growth mid‐market clients. ...

Senior AI Architect| London

Location
Greater London, England, United Kingdom
design of autonomous and multi‐agent systems, agentic design patterns (ReAct, planning, reflection, tool use, human‐in‐the‐loop), and frameworks (LangGraph, CrewAI, MAF, OpenAI Agents SDK, Google ADK). Proven ability to architect reliable agentic workflows with memory, state management and safe multi‐step task execution at scale. Model … frameworks, and training pipelines. Technical Proficiency – programming in Python, TensorFlow, PyTorch or similar; modern LLM/agent frameworks; cloud AI platforms (Amazon Bedrock, Azure OpenAI/AI Foundry, Google Vertex AI); vector databases; containerization and orchestration (Docker, Kubernetes); distributed computing. Architecture Design – end‐to‐end design of Generative and Agentic ...

Senior Software Engineer

Hiring Organisation
XCEEDANCE LIMITED
Location
London Area, United Kingdom
Testcontainers) to maintain high coverage. Collaborate with QA, DevOps, and Product teams in an Agile (Scrum/Kanban) environment. Integrate LLM-based capabilities (e.g., OpenAI, Gemini, Claude) into Java services via REST/SDK — for use cases such as document extraction, policy summarisation, or intelligent routing. Build or consume vector … integration, vector databases, prompt engineering, or RAG pipeline construction — even in a personal project or hackathon context. Familiarity with REST-based AI APIs (OpenAI, Anthropic, Google Vertex AI, or equivalent). Basic understanding of embeddings, semantic search, and token-based context management. Comfortable reading Python code or notebooks (most ...

Manager, AI Deployment Engineering - Large Enterprise

Location
Greater London, England, United Kingdom
help others, and a desire to pick up whatever knowledge you're missing to make both your team and our customers succeed. 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 … religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. For additional information, please see 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 ...

Remote AI/ML Engineer — LLMs & Generative AI

Location
Greater London, England, United Kingdom
will design, build, and deploy agentic workflows, and predictive models, collaborating with frontend and backend teams to integrate AI features using LangChain, LlamaIndex, and OpenAI/Anthropic APIs. The role requires 3-5 years of experience, strong Python/TypeScript skills, and hands-on experience with LLMs, vector databases ...

AI Software Engineer

Hiring Organisation
F5 consultants
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£70,000
C#/.NET engineer who has moved beyond experimenting with AI and can demonstrate something you've genuinely delivered into production. Experience with Azure OpenAI, Azure AI Search, RAG, Semantic Kernel, vector databases or Python-based AI tooling would be particularly valuable. What ...

AI Engineer UK

Location
Greater London, England, United Kingdom
docs, and a culture of writing things down. What you’ll bring Production experience with LLMs — you’ve shipped systems using model APIs (Anthropic, OpenAI or similar), not just notebooks: system-level prompt design, agent architectures, tool use, RAG. An evaluation habit. You’ve built eval pipelines — golden datasets, regression ...

AI Engineer

Location
Greater London, England, United Kingdom
haves: Publications at top machine learning conferences (e.g. NeurIPS, ICLR, ICML) or in adjacent fields. Familiarity with popular LLM evaluation frameworks such as OpenAI evals. What we offer Competitive base salary depending on skill and experience. Significant equity; we want you to take ownership in Solve Intelligence and share ...

Solution Specialist, AI & Data Services (Pharma)

Hiring Organisation
GlobalData UK Ltd
Location
London, United Kingdom, Castle Baynard
Employment Type
Permanent
domain properly rather than skate over it. Preferred skills & experience Familiarity with MCP, or with LLM tooling such as LangChain, Claude or the OpenAI APIs. Python or similar for data integration and API work. REST APIs, JSON, OpenAPI specifications, Snowflake or other cloud data warehouses. CRM platforms such as Veeva ...

Senior Consultant - Microsoft - AI Business Transformation - TC - FS

Location
Greater London, England, United Kingdom
secure by design. Microsoft Purview — apply governance, sensitivity labels, data loss prevention (DLP) and auditability for responsible, compliant AI. Azure AI (helpful) — Azure OpenAI and Azure AI Foundry for enterprise AI applications. What we offer Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next. Success ...

Forward Deployed Engineer

Hiring Organisation
MarkIT Placements
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
technologies including Next.js, React, FastAPI, Fastify, FastMCP and Hono . Design and implement agentic applications using technologies such as LangGraph, AutoGen, Claude Agent SDK, OpenAI tooling or custom orchestration frameworks . Integrate leading and self-hosted LLMs with tools, data and external systems using MCP and custom connectors . Implement … agents and multi-step AI workflows not simply integrating chat or prompted models. Experience with agent frameworks such as LangGraph, AutoGen, Claude Agent SDK, OpenAI tooling or equivalent. Strong Python and/or TypeScript experience. Strong understanding of OOP, SOLID, 12-factor application development and microservice architecture. Experience building applications ...

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 ...

GenAI & LLM Data Scientist – Enterprise (Hybrid, London)

Location
Greater London, England, United Kingdom
MLOps, deploy AI workflows via APIs or web apps, and stay at the forefront of GenAI with tools like LangChain, Hugging Face and OpenAI, ensuring scalable, secure solutions in a flexible hybrid setup. #J-18808-Ljbffr ...

Python Software Engineer

Hiring Organisation
VIQU IT Recruitment
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per 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
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 ...

AI AGENTS ENGINEER

Location
Manchester, England, United Kingdom
vector databases, embeddings, search systems, or knowledge retrieval. Experience with model governance, audit trails, release control, permissions, or safety‐sensitive AI workflows. Familiarity with OpenAI, Anthropic, Gemini, open‐source LLM/VLM stacks, LangGraph‐style orchestration, or similar agent frameworks. The candidate should understand enough vision and inspection context ...

Data Scientist

Hiring Organisation
Elsevier
Location
London Area, United Kingdom
data science, machine learning, artificial intelligence, NLP, statistics, applied mathematics, computer science, or a related quantitative area. Experience working with frontier LLMs such as OpenAI’s GPTs, Anthropic’s Claude, and Google’s Gemini, including fine-tuning LLMs and/or SLMs. Strong Python skills and a habit of writing ...

Principal AI Engineer

Hiring Organisation
Blend
Location
London Area, United Kingdom
ability to make difficult technical calls, create clarity where there is ambiguity and take responsibility for the outcome. Strong experience with Databricks and Azure OpenAI, which underpin much of our delivery. Nice to have Ontology, knowledge graph or semantic layer experience. Delivery experience in pharma or CPG. Practical experience designing ...

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 ...

AI Architect - SC cleared

Hiring Organisation
Initialize IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
engineers and architects, building technical capability and clear career pathways within the practice Own technical relationships with hyperscaler and frontier model partners (Azure OpenAI, AWS Bedrock, Google Vertex AI, Anthropic, OpenAI) to stay ahead of platform capability Drive reusable accelerators, frameworks, and IP that can be repeated and scaled across … MLOps: evaluation frameworks, observability, cost and latency optimisation, guardrails, and safe deployment at enterprise scale Direct experience with major frontier model providers (Anthropic Claude, OpenAI, Google Gemini, or equivalent) and cloud AI ecosystems (Azure AI/OpenAI Service, AWS Bedrock, Google Vertex AI) Solid understanding of AI governance, responsible ...

Account Director, Large Enterprise | Life Sciences

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 ...

Hybrid AI Engineer — Build Practical, Business‐Impact AI

Location
Greater London, England, United Kingdom
technologies into practical solutions that deliver real business value. You will design, build and deploy AI-powered products using Azure AI Foundry, Azure OpenAI, agentic AI and large language models, shaping how AI is adopted across the organisation within a hybrid working model across the UK estate, including London, Swindon ...