1 to 25 of 151 Permanent Anthropic Claude Jobs in the UK excluding London

Lead Ai Engineer

Hiring Organisation: Sanderson
Location: Slough, Berkshire, UK
Employment Type: Full-time

Generative AI initiatives. What You'll Do Design, develop, and fine-tune Large Language Models (LLMs) and Generative AI solutions using frameworks like OpenAI, Anthropic Claude, Gemini, or open-source models. Build and optimise RAG pipelines, vector databases, and prompt engineering strategies for enhanced AI responses. Develop … APIs. Strong experience around Agentic Ai experience leading or mentoring Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs (OpenAI, Anthropic, Azure OpenAI). Expertise in prompt engineering, fine-tuning techniques, and vector databases (Pinecone, FAISS, ChromaDB). Strong understanding of transformer architectures and attention ...

Founding Engineer (Full Stack / Backend)

Hiring Organisation: Affinity Labs
Location: Slough, Berkshire, UK
Employment Type: Full-time

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 ...

AI Prompt Engineering Consultant

Hiring Organisation: Staffworx
Location: Slough, Berkshire, UK
Employment Type: Full-time

systems in new, high-impact ways. THE ROLE Prompting & Reasoning Systems Design, test and optimize prompts for leading frontier models (GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek). Apply advanced prompting strategies: Chain-of-Thought, ReAct, Tree-of-Thoughts, Graph … Computer Science, AI/ML, Engineering, or related fields. Experience deploying or fine-tuning open-source LLMs. TECH STACK LLMs: GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek Frameworks: LangChain, LlamaIndex, Haystack, AutoGen, CrewAI Tools: GitHub Copilot, Cursor, LangSmith, LangFuse, Weights ...

Lead AI Engineer

Hiring Organisation: Sopra Steria
Location: Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum

Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen AI) and digital assistant solutions such ...