Contract Anthropic Claude Jobs in London

8 of 8 Contract Anthropic Claude Jobs in London

AI Prompt Engineer - Future Talent

London, United Kingdom
Staffworx Limited
and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. ?? What Youll Do Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere). Experiment with advanced prompting techniques; Chain-of-Thought, ReAct, Tree-of-Thoughts, and more. Deploy AI/ML pipelines using Azure ML, AWS SageMaker … Knowledge of ethical AI, bias mitigation, responsible AI principles. Bachelors or Masters degree in Computer Science, AI/ML or related field. Tech Stack LLMs: GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere Frameworks: LangChain, LlamaIndex, Haystack Tools: GitHub Copilot, Cursor, PromptLayer, Weights & Biases Cloud: Azure ML, AWS SageMaker, Google Vertex AI, Databricks Infra: Python, Docker, Kubernetes, SQL More ❯
Employment Type: Contract
Posted:

AI Prompt Engineer

London, United Kingdom
Brightbox GRP Ltd
across the organisation. Key Responsibilities: Develop, test, and refine high-quality prompts tailored for DealCloud, Filament Sifter, and Capsa use cases. Work closely with AI vendors such as ChatGPT, Claude, and Perplexity to enhance prompt performance and relevance. Support the design and implementation of AI-powered chatbots within DealCloud to improve user interaction and automation. Collaborate with data engineers … strategies. Skills and Experience: More than 3 years of experience in AI, NLP, or prompt engineering. Proven track record of designing and optimising prompts for LLMs such as ChatGPT, Claude, Gemini, or Perplexity. Strong understanding of generative AI principles, prompt chaining, context window management, and token efficiency. Proficiency in Python and experience with AI/ML frameworks like TensorFlow More ❯
Employment Type: Contract
Rate: £400 per day
Posted:

Enterprise Solution Architect (Intacct & Paxus)

London, South East, England, United Kingdom
KBC Technologies UK LTD
validation preferred. • Hands-on experience with Azure OpenAI GPT-4/5, embedding models, and Azure cloud services • Strong background in Python, distributed systems, and enterprise architecture • Knowledge in Claude Code for agentic coding and AI-powered development. More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

AI Prompt Engineer

East London, London, United Kingdom
Staffworx Limited
connect people and intelligent systems in new, high-impact ways. What Youll Do 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-of-Thoughts,Program-of-Thoughts … frameworks and governance. Background in 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 & Biases, MLflow, Humanloop Cloud: Azure More ❯
Employment Type: Contract
Rate: market rates, outside IR35, remote first, UK but 1-2 days on site
Posted:

Prompt Engineer

City of London, London, United Kingdom
TXP
LLMs & Responsible AI £775/day Inside IR35 | End of FY | Hands-on Prompt Engineer needed for a government AI programme. Design and evaluate prompts across multiple LLMs (ChatGPT, Claude) to support policy and business use cases. The Role Craft and refine prompts using advanced techniques (ReAct, Chain-of-Thought, ART) Build multi-agent workflows and context-aware LLM More ❯
Employment Type: Contract
Rate: £650 - £750/day
Posted:

Prompt Engineer

London, South East, England, United Kingdom
TXP Technology x People
LLMs & Responsible AI £775/day Inside IR35 | End of FY | Hands-on Prompt Engineer needed for a government AI programme. Design and evaluate prompts across multiple LLMs (ChatGPT, Claude) to support policy and business use cases. The Role Craft and refine prompts using advanced techniques (ReAct, Chain-of-Thought, ART) Build multi-agent workflows and context-aware LLM More ❯
Employment Type: Contractor
Rate: £650 - £750 per day
Posted:

AI Prompt Engineer - Future Talent

London, United Kingdom
Staffworx Limited
and deploy scalable GenAI solutions that connect people and intelligent systems in new ways. What Youll Do Design, test, and refine prompts for leading LLMs (GPT-4/5, Claude, Gemini, Mistral, LLaMA, Cohere) click apply for full job details More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

AI Prompt Engineer

London, United Kingdom
Staffworx Limited
connect people and intelligent systems in new, high-impact ways. What Youll Do Prompting & Reasoning Systems Design, test and optimize prompts for leading frontier models (GPT-4/5, Claude 3 click apply for full job details More ❯
Employment Type: Contract
Rate: GBP 1 - 2 Annual
Posted:
Anthropic Claude
London
10th Percentile
£388
25th Percentile
£534
Median
£700
75th Percentile
£733
90th Percentile
£850