1 to 25 of 65 Anthropic Claude Jobs in England

/NLP libraries (e.g., Hugging Face Transformers, spaCy, NLTK). Experience with state-of-the-art LLMs (e.g., GPT series, Llama series, Mistral, Claude), including prompt engineering, fine-tuning, and evaluation. Hands-on experience with core GenAI frameworks (e.g., LangChain, LlamaIndex) and Agentic AI frameworks (e.g., AutoGen, CrewAI, LangGraph ...

libraries (e.g., Hugging Face Transformers, spaCy, NLTK). 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. Strong grasp of advanced techniques such as complex task decomposition for agents, reasoning engines, knowledge graphs, autonomous ...

with API development using FastAPI, Flask, or Django. Knowledge of Docker and containerized deployments. Hands-on experience with LLM models such as OpenAI GPTs, Claude, Gemini, LLaMA, or Mistral. Expertise in applying prompt engineering techniques to improve model performance and reliability. Experience in implementing robust evaluation frameworks and Responsible ...

work inside a high-calibre engineering organisation and worked closely with product. What you'll do Design and deploy LLM/RAG systems (GPT, Claude, Gemini) powering content generation, semantic search, and personalised learning experiences Build Knowledge Graph capabilities to underpin agentic workflows ...

systems Comfortable working in ambiguous environments and iterating on non-deterministic systems Bonus Experience (Nice to Have) AI-assisted development tools (e.g. Copilot, Codex, Claude Code) Fine-tuning models and understanding when to use it vs RAG or prompting Experience with real-time systems, multimodal AI, or search technologies ...

Next.js Mobile: React Native 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). Competencies & Behaviours Communicates clearly with technical and non-technical teammates. Takes ownership from concept to deploy and through maintenance. Thinks in systems + design for reuse across a portfolio. Balances technical excellence with pragmatic delivery to meet ...

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 ...

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 ...

products demonstrating high-quality UI/UX, performance, and maintainable code (GitHub or demos encouraged). Experience with AI-assisted development tools such as Claude Code, OpenAI Codex, CodeRabbit, Aikido, v0, or similar, along with familiarity using AI-enhanced IDEs (e.g. VS Code with Copilot, Cursor, Antigravity ...

engineering (Azure, Kubernetes, serverless, DevOps) Python and relational databases (SQL) Data platforms, ETL/ELT, and analytics AI tools and LLM integrations (e.g. GPT, Claude, Gemini) Security, governance, and regulated environment experience Why this team? Work in a high-performing, cooperative team Exposure to advanced AI and data technologies ...

into a .NET ecosystem not building models from scratch. You will design, develop, and deliver production-ready features that rely on services such as Anthropic Claude, AWS Bedrock, and OpenAI. AI-assisted development will be a core part of your workflow, and you will help shape … practices for AI integration across the codebase Lead by example through AI-assisted development workflows Pair with developers and support adoption of tools like Claude Code or Cursor Build observable, maintainable systems with strong logging, cost tracking, and guardrails Must Have 5+ years experience with C#/.NET Core ...

ability to quickly adopt and apply emerging AI technologies. You will also be comfortable working with AI coding tools such as Cursor, Copilot, Claude Code, or similar as part of your day-to-day development workflow. Nice to Haves Healthcare or pharmaceutical data systems, working with complex and regulated ...

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/ ...

tools Experience with Gemini and/or NanoBanana Pro or any other image modelling AI systems Experience with AI-assisted development using tools like Claude Code Previous startup experience is ideal. Employee Benefits Base salary of £90,000, with a guaranteed increase post-fundraise 25 days holiday + ...

This isn’t your typical “we use AI” environment. Engineering here is genuinely LLM-first. Think day-to-day development powered by tools like Claude Code and Codex, with engineers actively shaping how AI integrates into real production workflows. 💻 What you’ll be doing • Owning features ...

operationalising AI workflows in a marketing or ecommerce context - not just using tools, but systematising them Strong prompt engineering skills across LLMs (GPT-4, Claude, Gemini) with a track record of production-grade outputs Hands-on with automation platforms: n8n, Make, or Zapier, connected to real marketing use cases ...

analysis and self-serve data exploration Redis for caching and task queues GitHub, Codeship and Heroku for seamless code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress for end-to-end testing Third party APIs: OpenAI, Stripe ...

FICC, Macro trading, Bonds or ABS Nice to have: - Prior experience as a tech lead - Excellent academics - Your AI-specific knowledge will center around Anthropic Claude, LlangChain and LlamaIndex McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

driven applications and services utilising Python. Build and manage RESTful APIs with FastAPI. Integrate and oversee Large Language Models via OpenAI API or Claude (Anthropic) API. Implement robust data access layers using SQLAlchemy. Enhance performance and scalability by leveraging Redis for caching, session management, and task coordination. Develop ...

driven applications and services utilising Python. Build and manage RESTful APIs with FastAPI. Integrate and oversee Large Language Models via OpenAI API or Claude (Anthropic) API. Implement robust data access layers using SQLAlchemy. Enhance performance and scalability by leveraging Redis for caching, session management, and task coordination. Develop ...

. The Mission Design and scale a commercial agent ecosystem , enabling smarter, faster decision-making across multiple domains. Tech Stack Snowflake | Python | OpenAI/Claude APIs | LangGraph/CrewAI | dbt | SQL What we’re looking for Experience building production AI/multi-agent systems (LangChain, LangGraph, CrewAI, AutoGen, etc. ...

environment Beneficial/Nice-to-Have Skills: Exposure to AI/LLM integrations or AI-powered features Familiarity with modern agentic engineering tools (e.g., Claude Code, Copilot) Experience with video platforms or analytics systems Benefits: Competitive salary (up to £70K) and stock options Flexible remote working Recognition for ownership ...

Bash, Terraform, C...) Must be able to write high quality Automation/scripts from scratch. AI Tooling: experience and projects using the likes Claude, OpenCode, Cursor...). Communication: articulate, empathetic, curious, positive, enjoying working on a variety of problems in a fast-paced environment, with diverse teams, with drive ...

with a modern twist: you will be expected to lead the charge on AI-driven development . We want someone who leverages tools like Claude Code, GitHub Copilot, and Figma Make to accelerate delivery without sacrificing an ounce of engineering discipline. What youll be doing: Lead Architecture: Design ...

ability to learn new languages quickly (our current stack includes TypeScript/React, Python, and PostgreSQL) •⁠ ⁠Already use AI coding tools (e.g. Cursor, Claude Code, Copilot) to materially increase output •⁠ ⁠Thrive being given problems and architecting solutions, not waiting for project specs — you should be the best person ...