AI Prompt Engineer

1 week ago

London Area, United Kingdom Staffworx Full time £90,000 - £120,000 per year

AI Prompt Engineer - Future Talent

Technically sharp
AI Prompt Engineer

You'll design and optimize prompts, build LLM-powered applications, and deploy scalable GenAI solutions that connect people and intelligent systems in new ways.


What You'll 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, Vertex AI, or Databricks.
  • Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures.
  • Build APIs and microservices for scalable AI deployment.
  • Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed up iteration.
  • Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow.


You'll Bring

  • Strong Python skills and experience with LangChain, Transformers, Hugging Face.
  • Solid grasp of LLM behavior, prompt optimization, and data engineering.
  • Familiarity with vector databases (FAISS, Pinecone, ChromaDB).
  • Hands-on with Linux, Bash/Powershell scripting, cloud environments.
  • Creative problem-solver with excellent communication and collaboration skills.
  • Curious, adaptable, and passionate about staying at the edge of Generative AI.


Nice to Have

  • Experience with PromptOps tools (PromptLayer, Humanloop, LangFuse).
  • Knowledge of ethical AI, bias mitigation, responsible AI principles.
  • Bachelor's or Master's 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, PyTorch

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