26 to 41 of 41 OpenAI Jobs in Central London

prestigious Research Lab in London looking for exceptional Research Scientist to join their world-class team. This lab is composed of researchers from elite institutions and industry labs including OpenAI, Google DeepMind, and Microsoft AI, and is focused on advancing the SOTA in LLMs, reinforcement learning, and deep learning for complex systems. The team is building the models with the More ❯

years in data science, with a strong preference for experience in the insurance or financial services sector. Experience working with LLMs and NLP frameworks such as Hugging Face or OpenAI is a strong advantage. Proven experience managing and mentoring a team of data professionals, with a commitment to fostering a collaborative environment. If this role looks of interest, please apply More ❯

Bonus Skills Built custom eval pipelines using tools like Ragas , TruLens , or your own scoring systems Experience tuning open-source models (e.g., Mistral, LLaMA, Falcon) or working with APIs (OpenAI, Anthropic, Cohere) Exposure to agentic systems , tools + memory management, or multi-step reasoning chains Experience in fast-paced, early-stage startup environments 🧪 Why This Role Is Unique You’ll More ❯

track record of building or deploying LLM-based systems in production Hands-on experience with frameworks like LangChain, LangGraph, or custom-built agent orchestration setups Familiarity with LLM APIs (OpenAI, Anthropic, Mistral, etc.), embedding stores, retrieval pipelines (e.g. Weaviate, Pinecone), and eval tooling Comfort building and testing AI workflows that interact with external APIs, file systems, simulations, and toolchains Bonus More ❯

Were hiring AI Engineers to help build two new football-focused chatbots for betting audiences. Youll be responsible for designing, building, and deploying AI-powered conversational agents using LangGraph, OpenAI functions, and RAG techniques. This is a hands-on engineering role where you get to ship real-time chatbots that deliver dynamic, contextual betting insights to end users. Responsibilities: Build … conversational AI flows using LangGraph and OpenAI function-calling Integrate live sports data, betting odds, and user context into dynamic responses Implement memory handling, tool usage, and RAG pipelines Collaborate on system design, prompt tuning, and architecture decisions Optimize performance for speed, stability, and user satisfaction Skills & Experience: Proven experience with LangChain or LangGraph Strong Python skills and experience working More ❯

it. You’ll be deploying real features to real users, fast. You’ll be responsible for architecting and shipping AI-powered features using tools like PydanticAI, LangGraph, FastAPI, and OpenAI/Anthropic APIs. You’ll build and orchestrate intelligent agents and RAG pipelines, moving quickly to prototype, test, and launch in days, not months. Working closely with product, design, and More ❯

Head of AI Product Engineering London (4/5 days pw on-site) Up to £210k + equity A newly formed role with a huge remit to bring the product roadmap to life. Opportunity to transform cutting-edge AI research More ❯

Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using More ❯

Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

no-code layer), AWS/GCP optional Requirements: Required 7+ years in full-stack development (strong back-end bias) Experience with: LLM APIs and context/state management (Claude, OpenAI, etc) Workflow engines like n8n or Make Designing secure multi-tenant SaaS products Scaling DBs and infra across real-time chat and long-term memory Nice-to-Have Built or More ❯

About Ankar Innovation is the key to solving society's greatest challenges, and IP (intellectual property) plays a pivotal role in encouraging, driving, and capitalising on innovation. At Ankar AI, our mission is to empower IP and R&D teams More ❯

paced environments and loves shipping real products. 🛠️ Tech Stack Frontend : Vue.js Backend : FastAPI Cloud/DevOps : GCP, GitHub Actions Data : Supabase, Postgres/PostGIS, Vertex Pipelines AI : LLMs (Gemini, OpenAI, Anthropic, etc.) 📍 Location Hybrid: 3+ days/week in London 💼 What You’ll Do Build across the stack with high autonomy and ownership Collaborate with a driven, high-performance team More ❯

skills/responsibilities: Exchange 2016 to Exchange Online Migration Technical Project Management experience Intune configuration General Windows and associated Infrastructure skills – VMware, Mimecast, AD, EV etc. Desirable skills: Azure OpenAI M365 Copilot Citrix DaaS Please apply ASAP for more information. More ❯

Hybrid - 2/3 days in London Salary - Up to £120k ⚙️ Stack Frontend : Vue.js Backend : FastAPI Infra : GCP, GitHub Actions Data : Supabase, Postgres/PostGIS, Vertex Pipelines AI : Gemini, OpenAI, Anthropic, etc. 📍 Setup Hybrid: 3+ days/week in Central London (WeWork) 💡 You’re probably a fit if: You’ve built and shipped real things You care about clean code More ❯