26 to 50 of 199 OpenAI Jobs in London

Senior Software Engineer

Hiring Organisation
Immersum
Location
London, UK
/ML: Experience building AI-enabled products using Python, ML/NLP workflows, modern databases and frontier models such as Claude, OpenAI or Gemini ...

Golang Engineer

Hiring Organisation
Immersum
Location
London Area, United Kingdom
/ML: Experience building AI-enabled products using Python, ML/NLP workflows, modern databases and frontier models such as Claude, OpenAI or Gemini ...

Golang Engineer

Hiring Organisation
Immersum
Location
City of London, Greater London, UK
/ML: Experience building AI-enabled products using Python, ML/NLP workflows, modern databases and frontier models such as Claude, OpenAI or Gemini ...

Full Stack Engineer

Hiring Organisation
Navys
Location
London, UK
Familiarity with Azure services including Azure Functions, Azure SQL, Key Vault and Blob Storage Exposure to AI or LLM based tooling such as Claude, OpenAI, Azure AI or LangChain Experience in legal tech, fintech or another highly regulated domain What Navys Offers Competitive salary plus meaningful equity at an early ...

Full Stack Engineer

Hiring Organisation
Navys
Location
Greater London, England, United Kingdom
Familiarity with Azure services including Azure Functions, Azure SQL, Key Vault and Blob Storage Exposure to AI or LLM based tooling such as Claude, OpenAI, Azure AI or LangChain Experience in legal tech, fintech or another highly regulated domain What Navys Offers Competitive salary plus meaningful equity at an early ...

Senior AI Solutions Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fluency in low‐code automation and integration platforms such as n8n, Tray.io, Workato, or Zapier, and in agentic patterns using LLM APIs from Anthropic, OpenAI, or similar. Confident hands‐on coding in Python and TypeScript, comfortable building REST and webhook integrations, testing APIs (for example with Postman), and working with ...

Senior Generative AI Architect

Hiring Organisation
Levy Global
Location
London, UK
science, and business stakeholders Driving AI innovation, scalability, security, and responsible AI practices Key skills: Generative AI/LLMs RAG (Retrieval-Augmented Generation) Azure OpenAI, AWS Bedrock, or Vertex AI LangChain, LangGraph, LlamaIndex Python Hugging Face, PyTorch, TensorFlow Cloud Architecture (Azure/AWS/GCP) AI/ML Architecture experience ...

Senior Generative AI Architect

Hiring Organisation
Levy Global
Location
City of London, Greater London, UK
science, and business stakeholders Driving AI innovation, scalability, security, and responsible AI practices Key skills: Generative AI/LLMs RAG (Retrieval-Augmented Generation) Azure OpenAI, AWS Bedrock, or Vertex AI LangChain, LangGraph, LlamaIndex Python Hugging Face, PyTorch, TensorFlow Cloud Architecture (Azure/AWS/GCP) AI/ML Architecture experience ...

Senior Generative AI Architect

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
science, and business stakeholders Driving AI innovation, scalability, security, and responsible AI practices Key skills: Generative AI/LLMs RAG (Retrieval-Augmented Generation) Azure OpenAI, AWS Bedrock, or Vertex AI LangChain, LangGraph, LlamaIndex Python Hugging Face, PyTorch, TensorFlow Cloud Architecture (Azure/AWS/GCP) AI/ML Architecture experience ...

Lead AI Engineer - Media Workflows

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Salary: £90,000–£100,000 base • Bonus: 10% annual bonus • Working model: Hybrid (2 days per week in Soho, London) • Tech stack: Python, Azure, OpenAI APIs, CI/CD, Docker, observability • Visa sponsorship: Cannot currently sponsor Interested? Please apply below. ...

Principal AI Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
coaching capability Experience with some of the following technologies or ecosystems: Amazon Bedrock and SageMaker Claude/Anthropic Azure AI Foundry or Azure OpenAI Databricks Vector databases and RAG architectures Agentic AI orchestration frameworks and MCP servers Model and data lifecycle management Desirable Experience Experience working within public sector ...

Java Software Engineer

Hiring Organisation
Michael Page
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
exposure to at least one of: LLM API integration, vector databases, prompt engineering, or RAG pipeline construction * 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 ...

Java Software Engineer

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
exposure to at least one of: LLM API integration, vector databases, prompt engineering, or RAG pipeline construction * 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 ...

Java Technical Lead

Hiring Organisation
Michael Page
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
near-production) experience with at least one of: LLM API integration, vector databases, prompt engineering, or RAG pipeline Familiarity with REST-based AI APIs (OpenAI, Anthropic, Google Vertex AI, or equivalent) and a working understanding of embeddings, semantic search, and Comfortable reading Python code or notebooks (most AI libraries ...

Full Stack Engineer

Hiring Organisation
Hotspex
Location
London, UK
deployment (Vercel/Netlify, Supabase, serverless). You own the whole surface from UI to infrastructure AI-native — you've built with Anthropic and OpenAI APIs, you understand tool use, embeddings, MCP, and agentic workflows. You don't just prompt — you architect systems around LLMs Claude Code proficiency is essential ...

Full Stack Engineer

Hiring Organisation
Hotspex
Location
London, England, United Kingdom
deployment (Vercel/Netlify, Supabase, serverless). You own the whole surface from UI to infrastructure AI-native — you've built with Anthropic and OpenAI APIs, you understand tool use, embeddings, MCP, and agentic workflows. You don't just prompt — you architect systems around LLMs Claude Code proficiency is essential ...

AWS Cloud Consultant

Hiring Organisation
Lambert Labs
Location
London, UK
.NET applications using Docker on either Amazon ECS, Amazon EKS or AWS Elastic Beanstalk. Building applications or workloads with Foundational Models such as OpenAI’s GPT or Anthropic Claude, preferably via Amazon Bedrock. Managing databases on AWS using Amazon RDS, Amazon DynamoDB or Amazon DocumentDB. Continuous integration and delivery ...

AWS Cloud Consultant

Hiring Organisation
Lambert Labs
Location
Greater London, England, United Kingdom
.NET applications using Docker on either Amazon ECS, Amazon EKS or AWS Elastic Beanstalk. Building applications or workloads with Foundational Models such as OpenAI’s GPT or Anthropic Claude, preferably via Amazon Bedrock. Managing databases on AWS using Amazon RDS, Amazon DynamoDB or Amazon DocumentDB. Continuous integration and delivery ...

Python Developer

Hiring Organisation
Station
Location
London, UK
doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance, reliability, and scalability Contributing to architectural decisions in a growing engineering team ...

Python Developer

Hiring Organisation
Station
Location
City of London, London, United Kingdom
doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance, reliability, and scalability Contributing to architectural decisions in a growing engineering team ...

Python Developer

Hiring Organisation
Station
Location
City of London, Greater London, UK
doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance, reliability, and scalability Contributing to architectural decisions in a growing engineering team ...

AI Engineer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum + Bonus & Benefits Package
platform - no plug-and-play, all innovation. What We're Looking For Proven experience in building AI/ML systems, ideally with Azure OpenAI, Azure Cognitive Services Azure Machine Learning. Strong Python skills and familiarity with modern AI frameworks (e.g., LangChain, Hugging Face, PyTorch). Deep understanding of LLMs, vector ...

AI & Innovation Consultant - Value Driven, Financial Services

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day + Umbrella engagement
databases, prompt engineering, model evaluation). Ability to interpret technical designs, data schemas, and integration patterns. Familiarity with cloud-based AI services (e.g., Azure OpenAI, AWS Sagemaker, Databricks, Microsoft Fabric). Delivery & Vendor Engagement Experience working with development teams using agile delivery methodologies. Comfortable coordinating across internal stakeholders, technology teams ...

Product Manager AI & Transformation

Hiring Organisation
KEYSTONE EMPLOYMENT GROUP NO.1 LIMITED
Location
Central London, London, United Kingdom
Employment Type
Temporary
Salary
From £24.68 to £28.78 per hour
Cloud, Delivery Tooling & Technical Literacy: Experience with Microsoft cloud and delivery tools such as Azure DevOps, Azure services,Dynamics 365, Azure AI services, Azure OpenAI, Azure AI Foundry or related enterprise platforms; and/or experience with coding, scripting, APIs, integrations or technical prototyping. ...

Senior Data Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Adam, SGD, Gradient Descent, etc. Ability to adjust weights for full or partial tuning of LLMs. Hands‐on experience with large language models (e.g., OpenAI, Anthropic, Llama), prompt engineering, fine‐tuning/customization, and embedding‐based retrieval. Intermediate to expert proficiency in Python (NumPy, Pandas, SpaCy, scikit‐learn, PyTorch/ ...