1 to 25 of 55 Anthropic Claude Jobs in London

/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 ...

maintain retrieval pipelines using embeddings, vector databases, hybrid search methods, and effective chunking strategies Use AI coding assistants such as Cursor, GitHub Copilot, and Claude Code to accelerate development while maintaining ownership of outcomes and documenting best practices Standards & Enablement Establish and enforce engineering best practices, coding standards … Deep technical expertise in LLMs, RAG, agentic workflows, prompt engineering, embeddings, vector databases, and hybrid search techniques Hands-on experience with leading LLM providers (Anthropic Claude, OpenAI), including model selection, evaluation, and optimization Expert-level Python development skills and fluency with AI coding assistants (Cursor, GitHub Copilot, Claude ...

maintain retrieval pipelines using embeddings, vector databases, hybrid search methods, and effective chunking strategies Use AI coding assistants such as Cursor, GitHub Copilot, and Claude Code to accelerate development while maintaining ownership of outcomes and documenting best practices Standards & Enablement Establish and enforce engineering best practices, coding standards … Deep technical expertise in LLMs, RAG, agentic workflows, prompt engineering, embeddings, vector databases, and hybrid search techniques Hands-on experience with leading LLM providers (Anthropic Claude, OpenAI), including model selection, evaluation, and optimization Expert-level Python development skills and fluency with AI coding assistants (Cursor, GitHub Copilot, Claude ...

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 ...

models - OpenAI, Cohere, sentence-transformers, BGE ● Re-ranking - Cohere Rerank, cross-encoders, ColBERT ● Document processing - Unstructured.io, LlamaParse, Apache Tika ● LLM providers - OpenAI (GPT-4+), Anthropic (Claude), Azure OpenAI ● Languages - Python, Rust ● Evaluation - RAGAS, custom evaluation harnesses, LangSmith ● Observability - OpenTelemetry, LangSmith/LangFuse, Grafana ● Infrastructure - Kubernetes (AKS) Qualifications ● Bachelor ...

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 ...

initiatives through an ROI lens Cloud and AI knowledge, including LLMs, RAG, prompt engineering, and modern AI tooling Solid Python knowledge Familiarity with Claude and similar frontier models Production experience using LangChain PhD, MSc or BSc in a AI/ML or similar discipline Desirable RAG architectures, embeddings ...

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 ...

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 ...

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 ...

doing things properly. Tech stack • Python (FastAPI, Django or Flask), experience with Rust, Golang or Java • AWS (Azure or GCP also relevant) • Cursor and Claude Code • SQL and strong database design What you’ll be doing • 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/ ...

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 ...

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. ...

. 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. ...

etc.). You've designed and built reusable systems used by others (component libraries, internal platforms, or open source). You have experience with Claude Code or other AI coding tools. You've built products or tooling for capital markets or financial services. How We Work Small teams, high ...

professional software development experience. Strong experience with Next.js, React, and TypeScript. Strong advocate for and power user of LLM-enabled development tools such as Claude Experience building RESTful and/or GraphQL APIs. Understanding of server-side rendering (SSR), static site generation (SSG), and modern frontend performance optimisation. Experience ...

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 ...

Python) and experience with modern data stacks. Practical experience using AI tools for analytics and understanding of the wider AI landscape such as Claude and Cursor. THE BENEFITS Opportunity to build a modern, AI-enabled analytics capability. High exposure to senior leadership and strategic decision-making. Influence major transformation ...

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 ...

Audience and creative effects Frequency and saturation dynamics Work with large-scale impression-level and enriched datasets AI-Driven Workflows Use tools like ChatGPT, Claude, Copilot to accelerate analysis and insight generation Explore automation and AI-assisted measurement workflows What We’re Looking For Core Experience 5–8+ years ...