1 to 25 of 50 Anthropic Claude Jobs in the South East

Lead Ai Engineer

Hiring Organisation
Sanderson
Location
Slough, Berkshire, UK
Employment Type
Full-time
Generative AI initiatives. What You'll Do Design, develop, and fine-tune Large Language Models (LLMs) and Generative AI solutions using frameworks like OpenAI, Anthropic Claude, Gemini, or open-source models. Build and optimise RAG pipelines, vector databases, and prompt engineering strategies for enhanced AI responses. Develop … APIs. Strong experience around Agentic Ai experience leading or mentoring Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs (OpenAI, Anthropic, Azure OpenAI). Expertise in prompt engineering, fine-tuning techniques, and vector databases (Pinecone, FAISS, ChromaDB). Strong understanding of transformer architectures and attention ...

Founding Engineer (Full Stack / Backend)

Hiring Organisation
Affinity Labs
Location
Slough, Berkshire, UK
Employment Type
Full-time
Runtime: Python (FastAPI), Node.js. 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). Frontend (when needed): React/Next.js (for dashboards/admins, used selectively). Competencies & Behaviours Communicates clearly with technical and non-technical teammates. Takes ownership from concept to deploy and through maintenance. Balances technical excellence with pragmatic ...

AI Prompt Engineering Consultant

Hiring Organisation
Staffworx
Location
Slough, Berkshire, UK
Employment Type
Full-time
systems in new, high-impact ways. THE ROLE Prompting & Reasoning Systems Design, test and optimize prompts for leading frontier models (GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek). Apply advanced prompting strategies: Chain-of-Thought, ReAct, Tree-of-Thoughts, Graph … Computer Science, AI/ML, Engineering, or related fields. Experience deploying or fine-tuning open-source LLMs. TECH STACK LLMs: GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek Frameworks: LangChain, LlamaIndex, Haystack, AutoGen, CrewAI Tools: GitHub Copilot, Cursor, LangSmith, LangFuse, Weights ...

AI Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £300 per day
based on AWS AgentCore- Multi-agent orchestration frameworks (AWS Strands Agents, LangGraph, or similar)- Large Language Model (LLM) integration and fine-tuning- Experience with Claude, GPT-4, or similar foundation models- Prompt engineering and chain-of-thought reasoning RAG & Knowledge Systems:- Retrieval-Augmented Generation (RAG) pipeline implementation- Vector database ...

Senior Software Engineer

Hiring Organisation
Immersum
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Woking, Surrey, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Dartford, Kent, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Crawley, West Sussex, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Brighton, East Sussex, UK
Employment Type
Full-time
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 Software Engineer

Hiring Organisation
Immersum
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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 ...

Mid-Level Ruby on Rails Engineer

Hiring Organisation
Zivio
Location
Brighton, England, United Kingdom
Experience with Git and continuous integration tools Experience with Heroku Tech Stack Ruby on Rails 8 Ruby 3.4+ Stimulus/Javascript OpenAI/Claude LLMs Docker Terraform AWS Heroku Elasticsearch Day to day activities Carry out development tasks as part of 6-week development cycle Plan and architect solutions ...

Senior Full Stack Engineer - Python/React or Angular

Hiring Organisation
Venator Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
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 ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Southampton, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Woking, Surrey, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Dartford, Kent, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Crawley, West Sussex, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Brighton, East Sussex, UK
Employment Type
Full-time
peace needed for deep "flow" state work. LLM's: All staff have access to Gemini Pro via our Google Workspace account. ChatGPT Pro or Claude Pro are also available if you have a preferred LLM. Magento Focus Our Ecommerce focus is primarily on Magento 2 with Hyvä Commerce. ...

Java Developer - AI/LLM

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
/microservices. Deep understanding of legacy migration strategies and service decomposition. AI/LLM Implementation Skills Hands-on experience with AI development tools (e.g., Claude Code, GitHub Copilot) and Model Context Protocol (MCP). Experience integrating AI into CI/CD pipelines and building AI-powered automation. Knowledge ...

Java Developer - AI first development

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
/microservices. Deep understanding of legacy migration strategies and service decomposition. AI/LLM Implementation Skills Hands-on experience with AI development tools (e.g., Claude Code, GitHub Copilot) and Model Context Protocol (MCP). Experience integrating AI into CI/CD pipelines and building AI-powered automation. Knowledge ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
/SNS, DynamoDB, RDS) NestJS or equivalent back-end frameworks Microservices and event-driven architectures We also actively embrace AI coding assistants (such as Claude Code) to speed up development, improve code quality and reduce repetitive work — and we encourage engineers to use these tools effectively. What ...