1 to 25 of 49 Permanent Anthropic Claude Jobs in London

Artificial Intelligence Engineer

Hiring Organisation
STACKSTUDIO DIGITAL LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
/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 ...

AI Engineer Python Fullstack

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Strong Python development experience with AI/ML/NLP libraries (Hugging Face, spaCy, NLTK). Experience building applications using LLMs (GPT, Llama, Mistral, Claude) including prompt engineering, fine-tuning and evaluation. Hands-on experience with GenAI frameworks such as LangChain, LlamaIndex and agent frameworks like AutoGen, CrewAI ...

AI Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

AI Architect

Hiring Organisation
Charles Simon Associates Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
fine-tuning (supervised/unsupervised) MLOps/LLMOps and AI observability Hands-on experience building enterprise RAG solutions using LLMs (e.g. OpenAI, Llama, Mistral, Claude) and vector databases (Pinecone, Weaviate, FAISS, etc.) Practical experience with GenAI frameworks such as LangChain, LlamaIndex, and agentic frameworks like AutoGen, CrewAI, LangGraph Strong ...

AI Engineer

Hiring Organisation
Reward Gateway
Location
London, England, United Kingdom
Generative AI solutions using LLMs, RAG architectures, agents, and responsible AI practices. Use AI coding assistants such as Cursor, GitHub Copilot, and Claude Code to accelerate development while maintaining ownership of outcomes and documenting best practices and repeatable patterns. Manage cloud infrastructure and platform operations, including AWS, Kubernetes … platform engineering skills, including AWS, Kubernetes, Docker, infrastructure as code, and modern observability tooling. Hands‐on experience with leading LLM providers such as Anthropic, Claude and OpenAI, with the ability to evaluate additional model providers and approaches. Familiarity with LLM tooling ecosystems such as LangChain or LlamaIndex, agentic ...

Solutions Architect

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
enterprise Generative AI solutions using LLMs, RAG pipelines, prompt engineering and frameworks such as LangChain • Design scalable AI systems using Azure OpenAI, OpenAI API, Claude, Bedrock or Vertex AI • Lead the architecture of secure, production-ready solutions across cloud and distributed environments • Act as a trusted technical advisor ...

Applied AI Engineer

Hiring Organisation
Total Recruitment Group
Location
London, United Kingdom
Employment Type
Permanent
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 ...

Senior Data Scientist

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
self serve across all teams Create proactive alerting for metric changes, anomalies and system issues AI First Development Use tools such as Cursor, Codex, Claude Code and Windsurf daily Write clean structured code that is easy for AI agents to navigate Contribute to internal data tooling and AI driven ...

Product Engineer

Hiring Organisation
Affinity Labs
Location
City of London, London, United Kingdom
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 ...

Lead AI Automation Engineer

Hiring Organisation
PaymentGenes
Location
City of London, London, United Kingdom
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 ...

Senior Data Scientist/Researcher

Hiring Organisation
Monq
Location
City of London, London, United Kingdom
building the MLOps layer on the go and you'll help define it. We use AI coding tools - Cursor and Claude Code - as part of the daily workflow, not as a novelty. Why This Is a Rare Opportunity Most data science roles hand you a well-defined problem with ...

AI Research Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
office (South West London, 20 minutes from Waterloo Station) • Tech stack: Python, GCP (Vertex AI, Model Garden, BigQuery, Cloud Run), LLMs (OpenAI, Gemini, Claude, Llama), vector databases, RAG, Docker, CI/CD • Sponsorship: Not currently available Interested? Please apply below. ...

Senior Full Stack Engineer

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
APIs: API design and integration (REST & GraphQL). Databases: SQL, NoSQL, real-time, etc. 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/ ...

Backend Engineer (AI Platform) - London

Hiring Organisation
Revax
Location
London, England, United Kingdom
with GPU services for AI workloads Bonus · Exposure to professional services, finance, tax, or regulated workflows · You actively use modern AI coding tools (Cursor, Claude Code, etc.) · Strong instincts for developer experience and internal tooling Why Revax · Real ownership over core backend infrastructure · Work directly with founders on high ...

Senior Machine Learning Engineer

Hiring Organisation
Burns Sheehan
Location
London Area, United Kingdom
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 ...

Senior Full-Stack Engineer – Web Platform & Integrations

Hiring Organisation
Broadlab
Location
City of London, London, United Kingdom
Familiarity with AWS or similar cloud environments and deploying production web applications. AI-Assisted Engineering – Experience using AI development tools (e.g. GitHub Copilot, ChatGPT, Claude, or similar) as part of a modern engineering workflow. Collaboration – Experience working closely with data engineering or backend teams in data-driven organisations. Must ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
Prism Digital
Location
City of London, London, United Kingdom
source tools with users, or meaningful side projects Strong engineering fundamentals and ability to learn new technologies quickly AI coding tools including Cursor, Copilot, Claude Code, or similar Nice to Haves Healthcare or pharmaceutical data systems Biotech or regulatory data experience Multi-tenant SaaS architecture Enterprise platform deployments Data ...

Data / ML Engineer

Hiring Organisation
martee ai
Location
London Area, United Kingdom
team and clients real-time visibility into model health and forecast outputs 🤖 You love AI tools and use them to build shit fast—Cursor, Claude, Copilot, whatever gets the job done 📣 Clear communicator who documents well and cares about reliability, not just shipping fast 💃 Excited to work ...

Software Engineer

Hiring Organisation
Squirrel
Location
City of London, London, United Kingdom
agency and a bias for action, comfortable making decisions under uncertainty Preferred Previous founder experience or strong entrepreneurial drive AI-native developer workflow (e.g., Claude Code, Cursor, concurrent/cloud agents) Experience with AWS and CDK Familiarity with CI/CD, TDD, and DevOps UI/UX design skills ...

Python AI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
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. ...

Software Engineer

Hiring Organisation
Primis
Location
City of London, London, United Kingdom
pipelines and front-end outputs About You: Strong expertise in Python, Typescript, SQL and PostgreSQL. Experience building APIs or distributed systems. AI exposure - Cursor, Claude, GitHub Copilot. Experience leading on projects end-to-end with full ownership and autonomy. If you would like to find out more information, please ...

DevOps Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
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 ...

AI Engineer

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Founding Engineer

Hiring Organisation
Pharosyn
Location
London, England, United Kingdom
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 ...