23 of 23 Anthropic Claude Jobs in London

AI Prompt Engineer

Hiring Organisation
Staffworx
Location
London, England, United Kingdom
high-impact, production-ready ways. THE ROLE Prompting, Reasoning & Agentic Systems Design, test, and optimize prompts for leading frontier models (GPT-4.x/5, Claude 3+, Gemini, LLaMA, DeepSeek, and emerging open-weight models). Apply advanced prompting and reasoning techniques, including: Chain-of-Thought, ReAct, Tree-of-Thoughts ...

Applied AI Engineer - GenAI Consulting

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship high-impact ...

Lead AI Engineer

Hiring Organisation
Sopra Steria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen AI) and digital assistant solutions such ...

AWS Cloud Engineer

Hiring Organisation
Lambert Labs
Location
Greater London, England, United Kingdom
using Docker on either Amazon ECS, Amazon EKS or AWS Elastic Beanstalk. Building applications or workloads with Foundational Models such as OpenAI’s GPT, Anthropic Claude, Amazon Bedrock API. Managing databases on AWS using Amazon RDS, Amazon DynamoDB or Amazon DocumentDB. Continuous integration and delivery (CI/ ...

Senior Data Scientist

Hiring Organisation
Albert Bow
Location
London Area, 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 Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
Engineering (Python/TypeScript) with 3+ years in a leadership role. Tech Stack: Extensive hands-on Azure experience and deep practical knowledge of LLMs (Claude, OpenAI, Gemini). Innovation: Practical understanding of MCP (Model Context Protocol) and tool-calling for LLMs. Domain: Proven experience with financial data . Familiarity ...

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 ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
Morris Sinclair Recruitment
Location
Central London, West End, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
experience, specifically with AWS (compute, storage, networking, IAM, KMS, observability). Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models. Expertise in modern SDLC and DevOps: CI/CD (e.g., Jenkins/GitLab), infrastructure as code (e.g., Terraform/CloudFormation), automated testing ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £425 per day
experience, specifically with AWS (compute, storage, networking, IAM, KMS, observability). Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models. Expertise in modern SDLC and DevOps: CI/CD (e.g., Jenkins/GitLab), infrastructure as code (e.g., Terraform/CloudFormation), automated testing ...

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 ...

AI Engineer, Agentic AI, Python, Pycharm, LLM, Agentic

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day + Outside IR35
LangGraph, Vertex AI Agent Builder, Bedrock Agents, AgentKit, CrewAI , and custom orchestration. Build LLM-powered applications using models including GPT-4o/5, Llama3, Claude, Gemini 2.5 Pro, Bard , and enterprise-grade LLM deployments. Implement RAG and CAG architectures using Pinecone, OpenSearch, Google GenAI Search , and custom vector stores. … LLMs BERT, Word2Vec, Universal Sentence Encoder, NLTK, embeddings, fuzzy matching, topic modelling LLM experience: GPT-3.5/4o/5, Llama2/3, Claude, Gemini, Bedrock models, SQuAD fine-tuning, custom RAG agents AI Search & Vector Innovations Pinecone, OpenSearch, LangChain/LangGraph, LangIndex, Vertex AI Search, Vector ...

Senior Java/ Python Engineer

Hiring Organisation
Deloitte
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
implementing solutions using AWS. Practical cloud-native experience, specifically with AWS. Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models. ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
Location: London based - hybrid Salary: £100,000 - £160,000 + equity Tech Stack: Backend: Python (experience with FastAPI or Django or Flask beneficial) Cursor, Claude Code AWS - experience with Azure & GCP beneficial Are you a backend engineer who cares more about building robust systems and being part ...

Quantitative Developer

Hiring Organisation
Global TechForce
Location
London Area, United Kingdom
system. This role is for a specialist who doesn't just use tools but masters the underlying architecture. You will be responsible for integrating Claude (Anthropic) and advanced AI frameworks into a live production environment to generate alpha in the Equity Options markets. The Technical Challenge: Data … routing. Key Responsibilities System Architecture: Build an end-to-end automated trading system from scratch using a modern, AI-first stack. AI Integration: Leverage Claude and LLMs for signal extraction, code optimization, and autonomous strategy refinement. High-Performance Computing: Implement predicate pushdown and efficient Parquet/Arrow storage ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
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 ...

Unreal Engine VR Developer

Hiring Organisation
Cappfinity Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
talking to clients and non-technical stakeholders Self-directed and happy to figure things out without hand-holding Comfortable using AI coding tools (e.g. Claude Code, Cursor, or similar) and understanding where they help, where they break, and how to guide them to useful output Nice to Have ...

Senior Software Engineer

Hiring Organisation
Monq
Location
London Area, United Kingdom
developing the Monq platform. You'll work across the full stack: APIs, frontend, database, infrastructure. We move fast with AI-native tooling — Cursor, Claude Code, and agentic workflows are part of how we build, not something we're "exploring." This is a foundational role where your code ships … around PostgreSQL and ORMs You're comfortable with AWS, Docker, Terraform, and owning the full deployment pipeline You use AI coding tools daily — Cursor, Claude Code, Copilot, or similar — and have opinions on how to get the most out of them You can take a loosely defined problem, define ...

Fullstack Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Backend: Java 21, Kafka, Postgres, Docker, Terraform Frontend: SolidJS, TypeScript Infra: AWS (Serverless & Containers), Confluent AI Ops: Heavy daily use of AI Coding Assistant (Claude Code) Who You Are Keep current with tech advancements and think forward Flow state is in architecture, managing agents, code quality - not just writing … experience welcome) Frontend experience in SolidJS preferred, or React/Vue/Svelte with willingness to switch Proven experience integrating LLM APIs (OpenAI, Anthropic, Gemini, etc.) Already using AI tools daily for productivity gains Write clean, tested, documented code with security and performance in mind Comfortable in fast-moving ...

Artificial Intelligence Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
designed by the architecture team. • Build and deploy production grade models using Python, ML and NLP techniques. • Work with modern LLMs including GPT, Llama, Claude and Mistral. • Contribute to solution development while learning best practice from senior engineers and architects. • Collaborate closely with client facing teams and technical leads … experience with Python for machine learning or NLP. • Hands on exposure to modern LLMs and ability to work with models such as GPT, Llama, Claude or Mistral. • Understanding of how to implement AI solutions rather than build foundational models. • Ability to work collaboratively and contribute ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
designed by the architecture team. * Build and deploy production grade models using Python, ML and NLP techniques. * Work with modern LLMs including GPT, Llama, Claude and Mistral. * Contribute to solution development while learning best practice from senior engineers and architects. * Collaborate closely with client facing teams and technical leads … experience with Python for machine learning or NLP. * Hands on exposure to modern LLMs and ability to work with models such as GPT, Llama, Claude or Mistral. * Understanding of how to implement AI solutions rather than build foundational models. * Ability to work collaboratively and contribute ...

AI Architect

Hiring Organisation
Harnham
Location
London Area, United Kingdom
client requirements into practical, scalable AI solutions. • Guide engineers on best practice, technical direction and solution implementation. • Work with model families including GPT, Llama, Claude and Mistral. • Engage directly with stakeholders to define challenges, shape transformation programmes and set solution strategy. • Act as a technical leader within a newly … solutions. • Expertise in Python and modern ML/NLP practices. • Hands on experience working with LLMs such as GPT, Llama, Claude or Mistral. • Ability to communicate complex technical concepts clearly to both technical and non technical audiences. • Experience guiding engineers or setting technical direction within AI solution delivery. ...

Software Engineer (Rust/TypeScript)

Hiring Organisation
Axiōma Search
Location
London Area, United Kingdom
backend infrastructure, CI pipelines, and low-level debugging Ship fast without cutting corners on quality Tech Stack: TypeScript (primary), Rust (when performance matters), AWS, Claude Code/Cursor. What you'll need Clear evidence you're a top-percentile engineer - fast promotions, competitive programming, notable projects, or similar Strong … agnostic - they care more about how you think than what you've used) Excellent problem-solving ability Already comfortable with AI-assisted dev tools (Claude Code, Cursor, etc.) High agency - you're self-driven and don't wait to be told what to do Happy ...