OpenAI Jobs in London

26 to 50 of 147 OpenAI Jobs in London

AI/LLM Full Stack Developer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Flask), and Azure Experience building full web applications (not just websites) Product-focused mindset with attention to UX and code quality Bonus: experience or interest in AI/LLMs (OpenAI, Claude, LangChain, etc.) Preferably from mid-large company environments Interview Process: 30-minute intro (including some technical Qs) Technical task (approx. 3-4 hours) Final interview with programme leadership If More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:

Senior LLM & Multi-Agent Systems Engineer

London, United Kingdom
83zero Ltd
of multi-agent frameworks (CrewAI, AutoGen, LangGraph, Agno, OpenHands, etc.) and when to use them. In-depth knowledge of tokenisation strategies (e.g. BPE, SentencePiece, byte tokenisation), embedding models (e.g. OpenAI Ada, text-embedding-3-large), and their performance implications. Familiarity with knowledge graphs (e.g. Neo4j, LangDB, in-memory graphs) and graph neural networks for reasoning. Strong grounding in probabilistic models More ❯
Employment Type: Contract
Rate: £375/day
Posted:

Senior LLM & Multi-Agent Systems Engineer

London, United Kingdom
83zero Limited
of multi-agent frameworks (CrewAI, AutoGen, LangGraph, Agno, OpenHands, etc.) and when to use them. In-depth knowledge of tokenisation strategies (e.g. BPE, SentencePiece, byte tokenisation), embedding models (e.g. OpenAI Ada, text-embedding-3-large), and their performance implications. Familiarity with knowledge graphs (e.g. Neo4j, LangDB, in-memory graphs) and graph neural networks for reasoning. Strong grounding in probabilistic models More ❯
Employment Type: Permanent
Salary: Up to £375 per day
Posted:

Full Stack Engineer Python React AI

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
/CSS Experience working with both SQL and NoSQL (GraphDB, CosmosDB, Postgres, etc.) Familiarity with cloud development (ideally on Azure ) and containerised deployments Bonus: Exposure to LLM APIs (e.g. OpenAI, Claude), GenAI tooling, and AI product development Why This Team? You'll be joining a well-funded innovation group within a globally recognised organisation, where you'll have direct impact More ❯
Employment Type: Full-Time
Salary: £75,000 - £85,000 per annum
Posted:

Python Developer - AI & Automation

London, United Kingdom
Precise Placements Ltd
and the ability to communicate technical concepts to non-technical stakeholders. Experience with enterprise systems integration (legal or corporate environments a plus). Preferred: Knowledge of AI libraries (eg OpenAI, PyTorch), SQL/NoSQL databases, or Node.js/TypeScript for custom n8n nodes. Experience with Microsoft Power Platform or LangChain frameworks. Benefits £70k-£75k salary + benefits. 25 days holiday More ❯
Employment Type: Permanent
Salary: GBP 70,000 - 75,000 Annual
Posted:

Python Developer – AI & Automation

London, South East, England, United Kingdom
Precise Placements
and the ability to communicate technical concepts to non-technical stakeholders. Experience with enterprise systems integration (legal or corporate environments a plus). Preferred: Knowledge of AI libraries (e.g. OpenAI, PyTorch), SQL/NoSQL databases, or Node.js/TypeScript for custom n8n nodes. Experience with Microsoft Power Platform or LangChain frameworks. Benefits £70k–£75k salary benefits. 25 days holiday (increasing More ❯
Employment Type: Full-Time
Salary: £70,000 - £75,000 per annum
Posted:

Senior Software Engineer (London)

London, UK
Hybrid / WFH Options
Caribou
data into meaningful insights. Experience building machine learning systems with LLMs, RAGs utilising embeddings. Technology Frontend: Typescript, Next.js, Vercel Backend: Go, 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-18808-Ljbffr More ❯
Employment Type: Full-time
Posted:

Generative AI Director (London)

London, UK
JPMorgan Chase & Co
including end-to-end ML model lifecycle management, optimizing training, inference, and monitoring for large-scale AI applications. Knowledge of Generative AI & LLM infrastructure, including AI ecosystems for GPT, OpenAI, and optimizing data ingestion, model scaling, and performance tuning. Proficiency in Python & C++ for building ML pipelines, optimizing AI inference, and ensuring low-latency execution. Expertise in AI-ready infrastructure More ❯
Employment Type: Full-time
Posted:

Generative AI Engineer

City of London, London, United Kingdom
HCLTech
experience in GenAI or LLM-based solution design. Proven experience designing AI solutions for banks, asset managers, insurers, or fintechs. Expertise across a wide spectrum of GenAI technologies (e.g., OpenAI, Google Gemini, Anthropic, Meta Llama, Hugging Face). Familiarity with financial data sources (e.g., market data, transactional data, credit reports) and core systems (e.g., core banking, CRMs, compliance systems). More ❯
Posted:

Generative AI Engineer

London Area, United Kingdom
HCLTech
experience in GenAI or LLM-based solution design. Proven experience designing AI solutions for banks, asset managers, insurers, or fintechs. Expertise across a wide spectrum of GenAI technologies (e.g., OpenAI, Google Gemini, Anthropic, Meta Llama, Hugging Face). Familiarity with financial data sources (e.g., market data, transactional data, credit reports) and core systems (e.g., core banking, CRMs, compliance systems). More ❯
Posted:

Python Developer

West London, London, England, United Kingdom
Hybrid / WFH Options
Bentley Whitaker Search and Selection
a passion for GenAI. Must Have: Strong Engineering skills in Python - 2yrs commercial minimum Any front-End experience is advantageous Experience with GenAI tools (LangChain, LangGraph, etc.) and LLMs (OpenAI, Anthropic, Llama, etc.) Familiarity with monitoring (Langsmith, Langfuse), Git, and vector/NoSQL/SQL databases Eligible for SC Clearance - lived in the UK for 5yrs+ Salary for the Python More ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum, Negotiable
Posted:

Senior Full-Stack Engineer (Python/Django & React)

London, United Kingdom
Hybrid / WFH Options
SPD Technology
design and optimization Excellent problem-solving skills and attention to detail Strong communication skills and the ability to work independently Bonus Points Experience with prompt engineering and LLM integration (OpenAI, Anthropic, etc.) React experience for front-end development Familiarity with real estate industry workflows and CRM systems Experience with AWS services Knowledge of containerization (Docker) and CI/CD pipelines More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Strategic Business Development Lead, EMEA (Tax)

London, United Kingdom
harvey.ai
class team: Harvey is hiring the best talent from DeepMind, Google Brain, Stripe, FAIR, Tesla Autopilot, Glean, Superhuman, Figma, and more. Partnerships: Our engineers and researchers work directly with OpenAI to build the future of generative AI and redefine professional services. Performance: 4x ARR in 2024. Competitive compensation. Role Harvey's Strategic Business Development Leads are domain experts who apply More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Strategic Business Development Lead, EMEA (German-Speaking)

London, United Kingdom
harvey.ai
class team: Harvey is hiring the best talent from DeepMind, Google Brain, Stripe, FAIR, Tesla Autopilot, Glean, Superhuman, Figma, and more. Partnerships: Our engineers and researchers work directly with OpenAI to build the future of generative AI and redefine professional services. Performance: 4x ARR in 2024. Competitive compensation. Role Harvey's Strategic Business Development Leads are skilled lawyers who apply More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Generative AI Lead

London, United Kingdom
Hybrid / WFH Options
Motorway
for complex AI systems. Strong experience building and consuming API services in Python, using FastAPI or similar. Strong experience with LLM frameworks such as langchain, Pydantic-AI, Google ADK, OpenAI's Assistants, litellm, etc (it's not required to know them all), and an understanding of how they facilitate agentic AI development. Strong practical knowledge of prompt engineering techniques and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, APOLITICAL (London)

London, UK
Guardian Jobs
already. Value pragmatic solutions, measurable impact and clean, maintainable code. Are comfortable with GDPR, ISO27001 and privacybydesign principles. Let us know if you have Experience integrating LLM services (VertexAI, OpenAI) and vector DBs (Pinecone). Implemented feature flagging & A/B experimentation. Worked on accessibility, localisation or performancecritical projects. Background in information retrieval or search relevance. This likely wont be More ❯
Employment Type: Full-time
Posted:

AI Innovation Design Manager - Learning & Development

London, United Kingdom
The Boston Consulting Group GmbH
ensure the seamless implementation and adoption of these solutions across the firm. YOU'RE GOOD AT AI application and innovation Designing and building custom GPT agents using platforms like OpenAI's GPTs or API, including prompt engineering, file and API integration, and instruction fine-tuning for specific learning contexts Understanding AI and LLM fundamentals (e.g., model behavior, token limits, embeddings More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Applied AI Engineer (i.AI) - CO - G6

London, United Kingdom
Manchester Digital
following would be beneficial, though all we require is an interest in developing these skills in post: Familiarity with tools for working with Large Language Models via API (e.g. OpenAI, LangChain, LlamaIndex), or in a local context (e.g. HuggingFace transformers). Experience with natural language processing, deep learning and generative AI including prompt engineering. Experience supporting and enabling technical teams More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer

South West London, London, United Kingdom
Hybrid / WFH Options
Stealth IT Consulting Limited
What Were Looking For: Python (FastAPI), Typescript (Express) or similar Frontend Development: React, Next.js, or Vite GenAI tools: LangChain, LangGraph, CrewAI, or Vercel AI (Python or JavaScript) LLM platforms: OpenAI, Anthropic, Mistral, or Llama Cloud: AWS or Azure Containerisation Bonus Points: Experience in building Proof of Concepts (POCs) Client engagement or business development experience Your Responsibilities: Collaborate with the development More ❯
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Power Platform & Data Developer

London, South East, England, United Kingdom
Tenth Revolution Group
document technical solutions. What You'll Bring: Strong experience with Power Automate, Power BI (DAX, data modelling), and Azure Data Factory Exposure to AI/ML tools (e.g. Azure OpenAI, Azure ML, Cognitive Services) Solid understanding of SQL, REST APIs, and cloud data integration Familiarity with Python, R, or similar scripting languages Bonus points for experience with Azure Synapse, Databricks More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Power Platform & Azure Data Developer

London, South East, England, United Kingdom
Tenth Revolution Group
What You'll Bring: Strong experience with Power Automate, Power BI (DAX, data modelling), and Azure Data Factory Exposure to or knowledge of AI/ML tools (e.g. Azure OpenAI, Azure ML, Cognitive Services) Solid understanding of SQL, REST APIs, and cloud data integration Familiarity with Python, R, or similar scripting languages Bonus points for experience with Azure Synapse, Databricks More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

M365 Copilot Engineer

City of London, London, United Kingdom
Adecco
on Microsoft Copilot technologies. Deep understanding of the Microsoft Copilot ecosystem, including Microsoft 365 Copilot, SharePoint Copilot, Teams Copilot, and Security Copilot. Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). Strong knowledge of enterprise architecture, solution design, and system integration. More ❯
Employment Type: Contract
Posted:

M365 Copilot Engineer

London, South East, England, United Kingdom
Adecco
on Microsoft Copilot technologies. Deep understanding of the Microsoft Copilot ecosystem, including Microsoft 365 Copilot, SharePoint Copilot, Teams Copilot, and Security Copilot. Experience with Microsoft Azure services, particularly Azure OpenAI, Azure AD, and integration services (e.g., Logic Apps, API Management). Strong knowledge of enterprise architecture, solution design, and system integration. More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted:

Enterprise Customer Success Manager, EMEA

London, United Kingdom
harvey.ai
class team: Harvey is hiring the best talent from DeepMind, Google Brain, Stripe, FAIR, Tesla Autopilot, Glean, Superhuman, Figma, and more. Partnerships: Our engineers and researchers work directly with OpenAI to build the future of generative AI and redefine professional services. Performance: 4x ARR in 2024. Competitive compensation. Role Overview As an Enterprise Customer Success Manager, you'll play a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Research Scientist

London, United Kingdom
Faculty
misuse capabilities in sensitive areas, such as CBRN, cybersecurity and international security, for several leading frontier model developers and national safety institutes; notably, our work has been featured in OpenAI's system card for o1. Our commitment also extends to conducting fundamental technical research on mitigation strategies, with our findings published in peer-reviewed conferences and delivered to national security More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
OpenAI
London
10th Percentile
£63,000
25th Percentile
£69,688
Median
£91,250
75th Percentile
£120,625
90th Percentile
£145,500