AI Prompt engineer

Posted 1 day 18 hours ago by Opus Recruitment Solutions Ltd

£200 - £450 Daily
Contract
Not Specified
Other
London, United Kingdom
Job Description
Prompt Engineer (AI & Data) - Junior to Experienced
Remote work - United Kingdom
Competitive day rate
AI | LLMs | RAG | Healthcare Tech | Data Engineering
Tech for Good | Real-World Impact | Ethical AI

We're Hiring: Full Stack Developer for Generative AI ApplicationsAre you a seasoned developer excited about the future of AI? We're looking for a Full Stack Developer with a strong Back End foundation and a passion for building innovative applications powered by Generative AI.
Whether you're working with startups launching their first AI product or helping larger companies integrate LLMs into existing platforms, you'll be at the forefront of transforming ideas into intelligent, scalable solutions.

What You'll Be Doing
  • Designing, testing, and refining prompts for LLMs (OpenAI, Claude, etc.)
  • Building prompt libraries and evaluation frameworks
  • Structuring unstructured data (PDFs, notes, forms) into usable formats
  • Working with RAG pipelines and vector databases (FAISS, Pinecone, etc.)
  • Embedding LLMs into user-facing healthcare tools (eg, AI assistants, in-context help)
  • Collaborating with product, design, and clinical teams to ship real features
What You'll Bring
  • Experience with LLMs and prompt engineering (OpenAI, Anthropic, etc.)
  • Familiarity with structured (SQL, JSON, CSV) and unstructured data
  • Exposure to vector stores and retrieval-augmented generation (RAG)
  • Strong Python skills and comfort working with APIs and data pipelines
  • Bonus: experience in healthcare, accessibility, multilingual interfaces, or regulated environments
Why Join?
  • Work on AI that actually helps people-200,000+ users and counting
  • Be part of a mission-driven team focused on ethical, responsible AI
  • 29 days holiday + BHs, pension, health insurance, Perkbox & more
  • Hybrid flexibility with offices in West London & the Wye Valley
Interested?
Let's chat. Drop me a message or apply directly-happy to share more!