76 to 100 of 133 OpenAI Jobs in London

1+ year of fullstack experience (open to senior/staff-level engineers too) Production experience with Model Context Protocol (MCP) is highly desired Experience working with LLMs, RAGs, Langchain, OpenAI, Claude etc is beneficial Generative AI Product experience Production-grade Python skills Frontend experience with Vue + TypeScript , or React and a willingness to learn Vue Understanding of web performance More ❯

1+ year of fullstack experience (open to senior/staff-level engineers too) Production experience with Model Context Protocol (MCP) is highly desired Experience working with LLMs, RAGs, Langchain, OpenAI, Claude etc is beneficial Generative AI Product experience Production-grade Python skills Frontend experience with Vue + TypeScript , or React and a willingness to learn Vue Understanding of web performance More ❯

large legacy system into a modern, scalable cloud-native product Design and implement new architecture using AWS microservices, PostgreSQL, Node.js, React, and TypeScript Use AI-assisted tools such as OpenAI, LangChain, Claude, or Hugging Face to enhance efficiency, code quality, and testing Establish clean engineering practices, including CI/CD, automation, and testing frameworks Work closely with product and technical More ❯

large legacy system into a modern, scalable cloud-native product Design and implement new architecture using AWS microservices, PostgreSQL, Node.js, React, and TypeScript Use AI-assisted tools such as OpenAI, LangChain, Claude, or Hugging Face to enhance efficiency, code quality, and testing Establish clean engineering practices, including CI/CD, automation, and testing frameworks Work closely with product and technical More ❯

any LLM user to integrate, scale, secure and optimize their LLM inference across 200+ providers in a few clicks. A highly scalable, reliable and secure infrastructure that exposes simple, OpenAI-compatible APIs, that every product or tool can use. The API allows access to any of the LLM providers, taking care of API compatibility while adding telemetry, analytics, load balancing More ❯

any LLM user to integrate, scale, secure and optimize their LLM inference across 200+ providers in a few clicks. A highly scalable, reliable and secure infrastructure that exposes simple, OpenAI-compatible APIs, that every product or tool can use. The API allows access to any of the LLM providers, taking care of API compatibility while adding telemetry, analytics, load balancing More ❯

LEAD Full Stack Developer - Laravel | High-Growth SaaS | Hybrid (London) LEAD Full Stack Developer role- Essential: Proven experience working with LLMs (e.g., OpenAI, Anthropic, Hugging Face) or applied AI projects. Nice to have: Broader AI/ML exposure, such as model fine-tuning, prompt engineering, or integration into production systems. Join a profitable, fast-growing SaaS company going through a More ❯

accessible to all . We're developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Character.AI, Anthropic and beyond. What You'll Do Develop and maintain company-wide information security policies and frameworks (US: SOC 2, NIST, GDPR; UK: ISO 27001, Cyber More ❯

that Google can't answer. You need to be the kind of person who thrives on this. TechnicalFoundation You should have hands-on experience with: Working with AI APIs (OpenAI, Anthropic, or similar platforms) Building Python applications and scripts for real-world use cases Understanding prompt engineering and AI system design Integrating systems and troubleshooting complex technical issues Learning new More ❯

code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress for end-to-end testing Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp and more Our tech culture We follow an agile development process with fortnightly sprints. We keep meetings to a minimum, but the ones we do have More ❯

code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress for end-to-end testing Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp and more Our tech culture We follow an agile development process with fortnightly sprints. We keep meetings to a minimum, but the ones we do have More ❯

Looking For 1-3+ years of experience in full stack development (React + Node or equivalent stack) Experience integrating and fine-tuning LLMs, embeddings, or vector search (e.g. OpenAI, LangChain, Pinecone, Lovable and Google’s Agent Development Kit or equivalent vide coding platforms) Strong frontend sensibility (you care how things feel and look , not just how they run) Comfort More ❯

Looking For 1-3+ years of experience in full stack development (React + Node or equivalent stack) Experience integrating and fine-tuning LLMs, embeddings, or vector search (e.g. OpenAI, LangChain, Pinecone, Lovable and Google’s Agent Development Kit or equivalent vide coding platforms) Strong frontend sensibility (you care how things feel and look , not just how they run) Comfort More ❯

coaching from your manager and the technical leads on your team. You'll also regularly interact with world-famous researchers and other incredible staff, including alumni from Anthropic, DeepMind, OpenAI and ML professors from Oxford and Cambridge. In addition to Junior roles, Senior, Staff and Principal RE positions are available for candidates with the required seniority and experience. Person Specification More ❯

London/Hybrid) Salary : £100k–140k Equity : 1–3% (founding-level) Hybrid working: Central London, 3 days p/week in office. Tech Stack: TypeScript, Node.js, React, Python, LangChain, OpenAI/Anthropic I’m working with a YC-backed startup that’s building the next generation of AI-native analytics . This is a seed-stage, well-funded company with More ❯

exports and API-based data. Extensive experience designing end-to-end AI solutions. Broad understanding of fund accounting concepts. Proficiency in Excel, SQL and BI Tools. Experience with Azure OpenAI and Azure Cloud Services. Experience with GPT-4/5 and embedding models. Hands on technical skills with Python and Distributed Systems. In line with the Conduct Regulations 2003, when More ❯

exports and API-based data. Extensive experience designing end-to-end AI solutions. Broad understanding of fund accounting concepts. Proficiency in Excel, SQL and BI Tools. Experience with Azure OpenAI and Azure Cloud Services. Experience with GPT-4/5 and embedding models. Hands on technical skills with Python and Distributed Systems. In line with the Conduct Regulations 2003, when More ❯

exports and API-based data. Extensive experience designing end-to-end AI solutions. Broad understanding of fund accounting concepts. Proficiency in Excel, SQL and BI Tools. Experience with Azure OpenAI and Azure Cloud Services. Experience with GPT-4/5 and embedding models. Hands on technical skills with Python and Distributed Systems. In line with the Conduct Regulations 2003, when More ❯

exports and API-based data. Extensive experience designing end-to-end AI solutions. Broad understanding of fund accounting concepts. Proficiency in Excel, SQL and BI Tools. Experience with Azure OpenAI and Azure Cloud Services. Experience with GPT-4/5 and embedding models. Hands on technical skills with Python and Distributed Systems. In line with the Conduct Regulations 2003, when More ❯

Benefits Are you passionate about building real-world AI applications that deliver measurable business impact? We’re working with a fast-growing applied AI consultancy, backed by alliances with OpenAI, NVIDIA, and other global leaders , and they’re seeking a Senior Applied AI Solutions Engineer to join their growing London-based team. 💡 Why this role? Build and deploy enterprise-grade More ❯

Benefits Are you passionate about building real-world AI applications that deliver measurable business impact? We’re working with a fast-growing applied AI consultancy, backed by alliances with OpenAI, NVIDIA, and other global leaders , and they’re seeking a Senior Applied AI Solutions Engineer to join their growing London-based team. 💡 Why this role? Build and deploy enterprise-grade More ❯

solving, and an understanding of secure, public-sector development practices. Key Responsibilities Design & Development: Design, build, and deploy robust AI applications and features using Azure AI Services (e.g., Azure OpenAI, Cognitive Search, Document Intelligence) or Microsoft Copilot Stack . Copilot Implementation: Specialise in the development, customisation, and integration of Microsoft Copilot solutions, including Copilot for Microsoft 365 and the development … requirements. Essential Skills & Experience Proven AI Development Experience: Demonstrable commercial experience in developing and deploying AI solutions, specifically within the Microsoft Azure AI ecosystem . Microsoft Copilot/Azure OpenAI: Hands-on, practical experience with Microsoft Copilot (e.g., Copilot for M365, building custom Copilots) or Azure OpenAI Service (GPT models, embeddings, prompt engineering). Technical Proficiency: Strong programming skills in More ❯

Top 10 and a proactive approach to identifying and mitigating security vulnerabilities during development. Experience designing and deploying Retrieval-Augmented Generation (RAG) pipelines, working with LLM APIs (AWS Bedrock, OpenAI, Azure OpenAI), and using frameworks like LangChain or LangGraph. Strong knowledge of SDLC principles, CI/CD pipelines, and modern engineering practices. Excellent communication and collaboration skills to partner across More ❯

LEAD Full Stack Developer - Laravel High-Growth SaaS Hybrid (London) LEAD Full Stack Developer role- Essential: Proven experience working with LLMs (e.g., OpenAI, Anthropic, Hugging Face) or applied AI projects. Nice to have: Broader AI/ML exposure, such as model fine-tuning, prompt engineering, or integration into production systems click apply for full job details More ❯

are looking for a Software Consultant with a Polyglot mindset and has experience working with AI-related technologies. The ideal candidate will have experience engineering around AI platforms, ideally OpenAI Builders, MCP servers, etc and have experience developing proof-of-concept workflows to demonstrate the MCP platform’s capabilities. Skills: Experience in ideally two of the following Typescript, Java, Golang More ❯