15 of 15 Permanent Anthropic Claude Jobs in the City of London

similar TypeScript-based agent frameworks. Design agent evaluation strategies using real-world execution data and human-in-the-loop signals. Integrate LLM APIs (OpenAI, Anthropic, Hugging Face, etc.) into product workflows and backend services written in TypeScript and Golang. Prototype and ship AI-powered product capabilities across the platform … private gym Team offsites twice a year Enhanced parental leave Regular team socials Tech Stack AI Backend: TypeScript, Mastra, Vercel AI SDK Model Integration: Anthropic (Claude), Google Gemini, OpenAI, Perplexity Agent Development: Multi-agent orchestration, structured outputs, tool use, streaming, human-in-the-loop workflows Cloud: AWS, BigQuery ...

cases across departments Develop reusable AI automation templates Help establish internal AI standards and best practices Tech Environment AI & Agents Advanced reasoning models (e.g. Claude) Code generation models (e.g. Codex) Prompt engineering & evaluation frameworks RAG architectures Embeddings & vector search (desirable) Orchestration & Automation Agent orchestration frameworks (e.g. Antigravity) Power Automate ...

leadership style — mentoring engineers, shaping best practices ────────────────────────── Core stack: Python · Rust · Java · Amazon Bedrock · SageMaker · Vertex AI · LangGraph · Pydantic AI · LangFuse · MLFlow · Databricks · Datadog · Claude Code · Docker · K8s · Terraform · Vector DBs · Graph DBs ────────────────────────── London hybrid (2 days/week) Competitive Salary and benefits Not eligible for visa sponsorship ────────────────────────── Interested ...

deploying machine learning models using frameworks such as PyTorch, TensorFlow, or scikit-learn. LLM Experience: Proven experience working with large language models (e.g. GPT, Claude, Gemini) in production environments, including prompt engineering, evaluation, and safety considerations. Strong Engineering Skills: Proficiency in Python and TypeScript, with experience building APIs, microservices ...

opportunity. Tech stack Python (FastAPI, Django or Flask) - experience across Rust, Golang, C++ useful AWS (experience with Azure or GCP also useful) Cursor and Claude Code SQL and strong database design What you will work on Designing and building backend systems that power a complex AI platform Developing ingestion ...

JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry on Top If you’ve dabbled in Infrastructure as Code (Terraform), messed around with Docker/ ...

skills in automation, CI/CD pipelines, and Infrastructure as Code (CDK, terraform) Programming experience in either python or typescript. Agentic AI coding experience. (Claude, codex, cursor etc) Comfortable working in a remote, collaborative engineering team Working Style Fully remote role Collaboration with international engineering teams Flexible, modern remote ...

technologies. A growth mindset and passion for continuous learning. Understanding and hands-on experience with Transformer models and LLMs (e.g., GPT, LLaMA, Mistral, Claude). Skills in fine-tuning, prompt engineering, and building RAG pipelines. Familiarity with Agent Frameworks (LangChain, LlamaIndex, CrewAI, AutoGen). Knowledge of reinforcement learning methods ...

communication skills, and the ability to influence stakeholders across the business. Practical, hands-on experience using AI tools including large language models such as Claude or comparable platforms, and Microsoft Copilot to solve real business problems. You are comfortable building working solutions, not just describing them, and can demonstrate ...

playbook. AI-Native is Non-Negotiable This isn't a nice-to-have. It's a hard requirement. You already use AI tools (Claude Code, Cursor, ChatGPT, Copilot) daily in your product work. Not as an experiment. As your workflow. You write specs with AI. You analyse data with ...

proficiency in Python and extensive experience with relevant AI/ML/NLP libraries (e.g., Hugging Face Transformers, spaCy, NLTK). AI-driven SDLC: Claude Code, Codex. Experience using Cursor, Windsurf, Replit, and GitHub Copilot. Google Stitch. LLM Expertise: Proven experience developing applications leveraging state-of-the-art LLMs … e.g., GPT series, Llama series, Mistral, Claude), including prompt engineering, fine-tuning, and evaluation. GenAI & Agentic Frameworks: Hands-on mastery of core GenAI frameworks (e.g., LangChain, LlamaIndex, Langfuse) and practical experience with Agentic AI frameworks and concepts (e.g., AutoGen, CrewAI, LangGraph, OpenClaw, NemoClaw, agent planning, tool use integration, multi ...

Model Development & AI Systems Design Design and train predictive models using AWS SageMaker Develop LLM-powered systems via AWS Bedrock (including Claude integration) Build RAG pipelines combining structured and unstructured data Develop evaluation frameworks for accuracy, bias, and robustness Apply best practices in feature engineering and experimentation 🤖 AI Agent … Science Advanced Python & SQL Statistical modelling & ML algorithms Feature engineering Experiment design & evaluation AWS ML Stack SageMaker (training, endpoints, pipelines) Bedrock (foundation models incl. Claude) Lambda (serverless inference) S3, Glue, Athena CloudWatch IAM & security best practices AI-Native Tooling Foundation models for reasoning workflows Code-generation tooling for automation ...

diagnostics), implement token budget caps and ROI tracking per task type. Use AI coding tools as a force multiplier. We use tools like Claude Code and Cursor daily and we are actively pushing towards multi-agent workflows — orchestrating parallel AI sessions to scaffold connectors, generate tests, and prototype solutions … believe that a well-structured codebase and clear task scoping are more valuable than heroic individual effort. You use AI-assisted development tools (Claude Code, Cursor, GitHub Copilot, or equivalent) as part of your daily workflow — not as a novelty, but as a core part of how you write ...

thrive here if you: Have strong product and UX instincts. You care how things feel, not just how they work Use AI development tools (Claude Code, Cursor) as a real part of your workflow Come from a startup, scale-up, or agency background where … with founders, sharing opinions, and moving fast Have thick skin, good humour, and a collaborative streak The stack: React · Next.js · Python (FastAPI) · AWS · Terraform · Claude Code · Cursor What we offer: Up to £100,000 base salary Share options Hybrid working. 2 days/week at a brand new Central ...

Product Engineer – Claude Code/AI Agents Hybrid – 1/2 days per week in London Salary very much dependant on skills and experience Do you have a background in software development/product engineering and experience in using AI Agents for producing code? Do you like to question … position in a start up environment, where there is a plan to move from an outsourced platform development model to inhouse, using Claude Code. You won’t be writing code, but you will be constantly thinking about architecture, assessing plans, guiding AI execution and validating outputs. You will ...