2 of 2 Anthropic Claude Jobs in East London

connect people and intelligent systems in new, high-impact ways. What Youll Do 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-of-Thoughts,Program-of-Thoughts … frameworks and governance. Background in 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 & Biases, MLflow, Humanloop Cloud: Azure More ❯

you see a problem, you solve it. When you don't know something, you figure it out. You own outcomes, not tasks. Demonstrable AI experience - You've used GPT, Claude, or other AI systems not just casually, but purposefully. You understand APIs. You've built things. You have examples that prove you can ship. Python proficiency - You write clean … 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 ❯