21 of 21 Permanent Anthropic Claude Jobs in London

tuning, feature engineering, and MLOps practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) architectures, vector databases ...

LLMs, and integrate AI capabilities across platforms. About the Role Lead the design, implementation, and fine-tuning of LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models). Build and optimize RAG pipelines , vector databases, and prompt engineering strategies. Develop AI-powered applications integrating LLMs ...

fine-tuning (supervised/unsupervised) MLOps/LLMOps and AI observability Hands-on experience building enterprise RAG solutions using LLMs (e.g. OpenAI, Llama, Mistral, Claude) and vector databases (Pinecone, Weaviate, FAISS, etc.) Practical experience with GenAI frameworks such as LangChain, LlamaIndex, and agentic frameworks like AutoGen, CrewAI, LangGraph Strong ...

Runtime: Python (FastAPI), Node.js. Datastores: PostgreSQL, MongoDB (as appropriate), Redis (caching/sessions). Vectors/Embeddings: Chroma (or similar). AI Models & APIs: Claude (Anthropic), Gemini (Google); Amazon Nova Canvas (vision), Deepgram (audio). AI Dev Tools: LangChain or CrewAI (orchestration), MCP servers (integration), GitHub Copilot/… Claude Code. Infrastructure: AWS (serverless functions), Docker (primarily for custom MCPs). Frontend (when needed): React/Next.js (for dashboards/admins, used selectively). Competencies & Behaviours Communicates clearly with technical and non-technical teammates. Takes ownership from concept to deploy and through maintenance. Balances technical excellence with pragmatic ...

Engineering (Python/TypeScript) with 3+ years in a leadership role. Tech Stack: Extensive hands-on Azure experience and deep practical knowledge of LLMs (Claude, OpenAI, Gemini). Innovation: Practical understanding of MCP (Model Context Protocol) and tool-calling for LLMs. Domain: Proven experience with financial data . Familiarity ...

with GPU services for AI workloads Bonus · Exposure to professional services, finance, tax, or regulated workflows · You actively use modern AI coding tools (Cursor, Claude Code, etc.) · Strong instincts for developer experience and internal tooling Why Revax · Real ownership over core backend infrastructure · Work directly with founders on high ...

Python | FastAPI | Systems Location: London based - hybrid Salary: £100,000 - £160,000 + equity Tech Stack: Backend: Python (FastAPI) Cursor, Claude Code AWS Are you a backend engineer who cares more about building robust systems than chasing AI hype? We are working with a recently funded Series A technology ...

will come to rely on our guidance. Here is what you will actually do: Become an expert-level user of generative AI platforms (Claude, ChatGPT, Gemini, Copilot, Perplexity, Grok) Master Model Context Protocol (MCP), API, and build our library of data integrations Test, evaluate, and grade AI tools ...

needed A background in creative technology, software development, and digital design gained form working in a creative agency. Experience with multiple LLM platforms (OpenAI, Claude, Gemini, Llama etc) Familiarity with generative image APIs (Midjourney, Stable Diffusion, DALL-E etc) Fluency in creative coding and prototyping tools (e.g., Python, JavaScript ...

Azure, including DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket ...

Practical security and data privacy awareness Linear or similar planning tools Experience with image modelling AI systems AI-assisted development using tools such as Claude Code Why Join/Projects This venture studio partners directly with large creators (often with 1M+ followers) as co-founders, meaning every product launches ...

find the fix to unblock the deal. Be a "Force Multiplier" with AI: We believe in efficiency. You will use modern tools like Claude and Gemini to write quick scripts, debug data errors, or analyze file structures, allowing you to move faster than a traditional engineer. Build Confidence ...

cargo-cult engineering Ego-less culture with direct, constructive feedback Comfort working asynchronously and learning independently AI-native approach using tools like Cursor or Claude Code to move faster ...

coding experience . This can be at work, or in your own time. The client are AI-first and heavily utilize tools such as Claude and Cursor . If you have not used these or similar tools yet. This position is probably not for you. Backend Engineering experience using ...

designs into responsive, accessible interfaces Experience creating reusable component libraries Mobile development (React Native, iOS, Android) - nice to have AI & Tools Uses AI assistants (Claude, Cursor, etc.) effectively to accelerate work Keeps up with AI developments in design and applies them practically Can critically evaluate AI-generated output Views ...

DynamoDB), DigitalOcean Data: MySQL, Redis, NoSQL stores Dev tools: GitHub, CI/CD, Docker AI & Automation: LLM APIs, vector databases, agentic workflow tools, n8n, Claude Code, Cursor Who We Are Looking For We know no one ticks every box, but proven experience in leading engineering teams and building … committed to creating an inclusive environment for all employees. Tags/Skills: Lead Software Engineer, Laravel, React, Python, AWS, AI/ML, n8n, Claude Code, Cursor, Docker, Startups, DevOps ...

Senior Software Engineer/Developer (LLM TypeScript Node API) London/WFH to £100k Are you a senior technologist with experience of productionising LLMs? You could be joining a scaling tech company that has developed ...

experience with modern web frameworks (ReactJS, Python, AWS) & APIs, as well as a working knowledge with back-end Python. AI development tooling such as Claude Code and Cursor is encouraged. Our technical tests will be testing candidates both with and without AI support. Who are Greenpixie? Greenpixie … APIs that power our products. Developing full-stack applications using React and Next.js., with a Python Back-end. Build AI-driven product features with Claude Code, and continuously refine the prompts, patterns, and team workflows around it. Use frontend frameworks such as shadcn and tailwind-ui to build features ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java/Microservices/ ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This … Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java/Microservices/ ...

Manager you'll head up a team of nine AI Engineers whilst remaining hands-on with coding. Your primary focus will be on using Claude code (an other AI tools and frameworks) throughout the development lifecycle from initial requirements shaping through to deployment to improve speed and efficiency … strong knowledge of modern software architecture, including microservices, APIs and Cloud technologies You have used AI tools in a large commercial enterprise e.g. Claude, Cursor, Windsurf, Prompt or Context engineering You have strong code review skills You are delivery focussed and champion the clients' needs Apply now to find ...