OpenAI Jobs in London

26 to 50 of 186 OpenAI Jobs in London

AI Engineer

South East London, England, United Kingdom
Understanding Recruitment
data science solutions using digital consumer data Develop models and tools using Python, NLP, and machine learning frameworks Explore and integrate state-of-the-art AI from providers like OpenAI, Google, Microsoft, and AWS Conduct research on emerging AI/NLP trends and share knowledge with the wider team Work on a mix of proof-of-concept and full-scale More ❯
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Head of Engineering

Greater London, England, United Kingdom
BuildPrompt
Laravel/PHP, Vue.js/Nuxt, Python Proven track record with cloud platforms (AWS preferred, but multi-cloud experience valued) Experience with LLM deployment strategies - both managed services (Bedrock, OpenAI) and self-hosted solutions Understanding of vector databases, embedding systems, and retrieval architectures Technical Expertise: Full-stack development across modern web technologies Containerisation (Docker) and orchestration platforms (Kubernetes, ECS, or More ❯
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Sr. Data Scientist / Machine Learning Engineer - GenAI

London, United Kingdom
Databricks Inc
influence the product roadmap What we look for: Experience building Generative AI applications, including RAG, agents, text2sql, fine-tuning, and deploying LLMs, with tools such as HuggingFace, Langchain, and OpenAI Extensive hands-on industry data science experience, leveraging typical machine learning and data science tools including pandas, scikit-learn, and TensorFlow/PyTorch Experience building production-grade machine learning deployments More ❯
Employment Type: Permanent
Salary: GBP Annual
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Data Scientist

London Area, United Kingdom
Insurwave Limited
based environments preferred) Solid understanding of core machine learning concepts, algorithms, and evaluation metrics Practical knowledge of LLMs and NLP techniques; experience using frameworks like Hugging Face Transformers or OpenAI APIs Strong Python programming skills to write clean, modular code and experience with core data science libraries Familiarity with software development workflows, including Git, code reviews, and unit testing Comfortable More ❯
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Data Scientist

City of London, London, United Kingdom
Insurwave Limited
based environments preferred) Solid understanding of core machine learning concepts, algorithms, and evaluation metrics Practical knowledge of LLMs and NLP techniques; experience using frameworks like Hugging Face Transformers or OpenAI APIs Strong Python programming skills to write clean, modular code and experience with core data science libraries Familiarity with software development workflows, including Git, code reviews, and unit testing Comfortable More ❯
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QA Engineer

London, United Kingdom
Hybrid / WFH Options
Cornerstone VC
build, maintain, and execute automated test suites. Experience working on AI/LLM projects such as testing model accuracy, correctness, completeness, and performance is a plus. Experience with Azure OpenAI Service, AWS Bedrock, and/or AWS Sagemaker is a plus. Experience in software QA methodologies, tools and processes. Experience in mapping test strategies to requirements, creating detailed test cases More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior AI Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
decisions balancing cost and delivery timelines What we're looking for 4-5 years relevant experience Proficiency in Python or similar programming languages Experience with GenAI tools (LangGraph, CrewAI, OpenAI APIs, Hugging Face) ML fundamentals and LLM expertise (prompt engineering, cost optimization) Cloud platforms (AWS/GCP/Azure) and infrastructure-as-code DevOps tooling (CI/CD, Docker, Kubernetes More ❯
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Senior AI Engineer

London Area, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
decisions balancing cost and delivery timelines What we're looking for 4-5 years relevant experience Proficiency in Python or similar programming languages Experience with GenAI tools (LangGraph, CrewAI, OpenAI APIs, Hugging Face) ML fundamentals and LLM expertise (prompt engineering, cost optimization) Cloud platforms (AWS/GCP/Azure) and infrastructure-as-code DevOps tooling (CI/CD, Docker, Kubernetes More ❯
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Senior AI Engineer

South East London, England, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
decisions balancing cost and delivery timelines What we're looking for 4-5 years relevant experience Proficiency in Python or similar programming languages Experience with GenAI tools (LangGraph, CrewAI, OpenAI APIs, Hugging Face) ML fundamentals and LLM expertise (prompt engineering, cost optimization) Cloud platforms (AWS/GCP/Azure) and infrastructure-as-code DevOps tooling (CI/CD, Docker, Kubernetes More ❯
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Machine Learning Engineer

London Area, United Kingdom
La Fosse
and compliance. What You’ll Do: Develop and deploy machine learning models for anti-money laundering and counter-terrorist financing. Contribute to dynamic monitoring systems using tools like TensorFlow, OpenAI, and LangChain. Help design GenAI pipelines and consensus mechanisms across a distributed agent system. Work alongside DevOps to build scalable, automated ML deployment pipelines. Write clean, well-documented code using More ❯
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Machine Learning Engineer

City of London, London, United Kingdom
La Fosse
and compliance. What You’ll Do: Develop and deploy machine learning models for anti-money laundering and counter-terrorist financing. Contribute to dynamic monitoring systems using tools like TensorFlow, OpenAI, and LangChain. Help design GenAI pipelines and consensus mechanisms across a distributed agent system. Work alongside DevOps to build scalable, automated ML deployment pipelines. Write clean, well-documented code using More ❯
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AI Solution Architect (AI Agents, Retail / eCommerce)

Central London, London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
AI/ML and serverless computing. Proficiency in JavaScript, TypeScript, Node.js, React.js, and Express.js for building full-stack applications. Experience with AI/ML frameworks such as TensorFlow, PyTorch, OpenAI API, or LangChain. Knowledge of microservices architecture, containerization (Docker, Kubernetes), and event-driven patterns. Strong understanding of API design, including REST, GraphQL, and WebSockets. Familiarity with DevOps practices, CI/ More ❯
Employment Type: Contract, Work From Home
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Senior Data Scientist

London Area, United Kingdom
Liberty Towers
LLaMA, Claude, or similar, including fine-tuning, prompt engineering, and deploying models in production environments. Strong proficiency in Python, with expertise in using frameworks like Hugging Face Transformers, LangChain, OpenAI APIs, or other LLM orchestration tools. A solid understanding of tokenization, embedding models, vector databases (e.g., Pinecone, Weaviate, FAISS), and retrieval-augmented generation (RAG) pipelines. Experience designing and evaluating LLM More ❯
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Senior Data Scientist

City of London, London, United Kingdom
Liberty Towers
LLaMA, Claude, or similar, including fine-tuning, prompt engineering, and deploying models in production environments. Strong proficiency in Python, with expertise in using frameworks like Hugging Face Transformers, LangChain, OpenAI APIs, or other LLM orchestration tools. A solid understanding of tokenization, embedding models, vector databases (e.g., Pinecone, Weaviate, FAISS), and retrieval-augmented generation (RAG) pipelines. Experience designing and evaluating LLM More ❯
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Senior Data Scientist

London, United Kingdom
Hybrid / WFH Options
FourPointZero Recruitment Ltd
Experience : Production experience with GPT, Claude, LLaMA, including fine-tuning, prompt engineering, and deployment Python Proficiency : Strong skills with ML frameworks (TensorFlow, PyTorch) and LLM tools (Hugging Face, LangChain, OpenAI APIs) Vector Understanding : Solid knowledge of embeddings, vector databases (Pinecone, Weaviate, FAISS), and RAG pipelines NLP Fundamentals : Text preprocessing, language modelling, and semantic similarity Cloud Experience : AWS ecosystem knowledge (SageMaker More ❯
Employment Type: Permanent
Salary: £100000 - £120000/annum + Package + Benefits
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Senior Software Engineer

City of London, London, United Kingdom
Stealth AI Startup
to debug an API contract. Thrive in an early-stage, high-ownership environment—prototype today, deploy tomorrow, iterate next week. Bonus Points Experience deploying or consuming LLM-powered services (OpenAI, open-source models, RAG, vector stores) can be a bonus. However, we consider many great candidates without previous AI experience. What we're offering: Base salary from More ❯
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Senior Software Engineer

London Area, United Kingdom
Stealth AI Startup
to debug an API contract. Thrive in an early-stage, high-ownership environment—prototype today, deploy tomorrow, iterate next week. Bonus Points Experience deploying or consuming LLM-powered services (OpenAI, open-source models, RAG, vector stores) can be a bonus. However, we consider many great candidates without previous AI experience. What we're offering: Base salary from More ❯
Posted:

Senior Software Engineer

South East London, England, United Kingdom
Stealth AI Startup
to debug an API contract. Thrive in an early-stage, high-ownership environment—prototype today, deploy tomorrow, iterate next week. Bonus Points Experience deploying or consuming LLM-powered services (OpenAI, open-source models, RAG, vector stores) can be a bonus. However, we consider many great candidates without previous AI experience. What we're offering: Base salary from More ❯
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Generative AI Engineer

London, England, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
A growing Microsoft Partner Consultancy are looking for a passionate AI Consultant join their impressive team. The role is home-based, with some element of travel to client sites when required, and to company conferences and events. For this reason More ❯
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Data Architect

London, United Kingdom
Mars, Incorporated and its Affiliates
Job Description: The Food & Nutrition Data Architect will be a key driving force in transforming the Food & Nutrition (F&N) business segment. Working closely with our partners, you will have overall accountability for data solution design, including Analytics, Visualisation, Dashboards More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Network Security Engineer - London

London, United Kingdom
Hybrid / WFH Options
OpenAI
OpenAI's IT Engineering organization advances the mission of deploying artificial general intelligence (AGI) for the benefit of all by delivering secure, scalable, and resilient technology solutions. Our team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower … OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your … network infrastructure. If you excel in cross-functional settings and have a proven track record of delivering innovative, secure network solutions, this role offers a unique opportunity to shape OpenAI's security-first, automation-driven network ecosystem. In this role, you will: Design, build, implement, and maintain secure, scalable, and performant network infrastructure, automation workflows, and network security solutions. Drive More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer London

London, United Kingdom
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 More ❯
Employment Type: Permanent
Salary: GBP Annual
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Solutions Engineer

London Area, United Kingdom
TurinTech AI
tools, SDKs, or APIs. Strong communication skills — capable of bridging the gap between engineering, product, and enterprise stakeholders. Bonus: experience working with AI/ML tooling (e.g. Hugging Face, OpenAI, LLMs, vector databases, etc.) Bonus: background in consulting, technical pre-sales, or solutions architecture. 🌍 Why Join Us? Help define the developer experience of tomorrow — where AI does the heavy lifting. More ❯
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Solutions Engineer

City of London, London, United Kingdom
TurinTech AI
tools, SDKs, or APIs. Strong communication skills — capable of bridging the gap between engineering, product, and enterprise stakeholders. Bonus: experience working with AI/ML tooling (e.g. Hugging Face, OpenAI, LLMs, vector databases, etc.) Bonus: background in consulting, technical pre-sales, or solutions architecture. 🌍 Why Join Us? Help define the developer experience of tomorrow — where AI does the heavy lifting. More ❯
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AI SME/Trainer

Central London, London, United Kingdom
Peregrine
privacy, copyright, and ethical considerations in AI adoption. Degree in Computer Science, Data Science, Media Technology, or a related field. Hands-on experience with AI platforms and tools (e.g., OpenAI, Adobe Firefly, Synthesia, RunwayML, Jasper, ChatGPT, etc.). Background in media production, journalism, or digital marketing is highly desirable. About us: At Peregrine, we see beyond the immediate and look More ❯
Employment Type: Permanent
Salary: £70,000
Posted:
OpenAI
London
10th Percentile
£63,875
25th Percentile
£65,000
Median
£91,250
75th Percentile
£98,125
90th Percentile
£111,250