1 to 25 of 43 Anthropic Claude Jobs in the UK

Generative AI Architect

Hiring Organisation
167 Solutions Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
across modern AI/ML ecosystems Track record of translating emerging technologies into measurable outcomes Technical Expertise Generative AI & LLMs Large Language Models (GPT, Claude, Llama, Mistral or similar) Prompt engineering, fine-tuning, RAG (Retrieval Augmented Generation) Multimodal AI (text, image, audio, video) Agentic frameworks and orchestration AI/ ...

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 ...

Lead AI Engineer

Hiring Organisation
hackajob
Location
United Kingdom
skills and team working. Desirable Demonstrable experience with modern deep learning frameworks (e.g. PyTorch, TensorFlow), fine-tuning or distillation of LLMs (e.g., GPT, Llama, Claude, Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
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 ...

AI Engineer Apprentice

Hiring Organisation
QA
Location
Langthwaite Grange Ind Estate, South Kirkby, Pontefract, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£24,000 per annum
e.g. neural networks, NLP, transformers) Proficiency in Python and ML frameworks (e.g. PyTorch, TensorFlow) Familiarity with LLM APIs and open-source models (e.g. GPT, Claude, Whisper) Understanding of agentic AI frameworks (e.g. LangChain, AutoGen) A passionate, motivated and driven person Desirable skills: Experience with ASR or captioning tools Knowledge ...

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 ...

Lead AI Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
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 ...

Principal Forward Deployed Engineer

Hiring Organisation
Immersum
Location
United Kingdom
Full-stack development capability across modern technologies Client-facing experience or technical consulting skills AI curiosity and hands-on experimentation with tools like ChatGPT, Claude, GitHub Copilot For Principal Engineers: 8+ years delivering complex, enterprise-grade software Proven AI/ML expertise with production deployment experience Advanced knowledge ...

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 ...

AI Engineer - OpenAI/Python - Birmingham

Hiring Organisation
Harvey Nash
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
driven applications and services utilizing 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 ...

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 ...

Full Stack Developer - AI-Ready

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
/CD, containers, and modern deployment practices Ability to think about systems holistically, including performance, security, and reliability AI & Modern Development Practical experience using Claude for programming efficiency and tools such as GitHub, Copilot, Cursor, or similar Understanding of where AI adds value in the software development lifecycle Interest ...

AI Developer

Hiring Organisation
Resourgenix Ltd
Location
United Kingdom
Employment Type
Permanent, Work From Home
Supabase, PostgreSQL, or similar Hands on experience with AI/ML tooling : embeddings, LLM libraries, vector databases Familiarity with AI assisted development tools (Cursor, Claude Code, etc.) Background in a startup, consulting firm, or mature engineering environment Ability to work independently, own problems end to end, and operate ...

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 ...