Founding Full Stack AI Engineer
đź’° Up to ÂŁ90k + equity
🌍 Remote UK (occasional travel to London or Leeds)
A VC-backed AI start-up on a mission to transform how deals get done is looking for a Founding Full Stack AI Engineer to join their fast-moving team. You’ll play a pivotal role in shaping the product and technical vision from day one—building a scalable platform that blends cutting-edge AI with a slick user experience.
This is the perfect role for someone who thrives in an early-stage environment, enjoys tackling complex problems end-to-end, and wants their code to have immediate, visible impact.
🔧 What You’ll Be Doing
* Designing secure, scalable APIs in Python/FastAPI
* Building and optimising Retrieval-Augmented Generation (RAG) pipelines
* Owning vector databases (pgvector, Weaviate, FAISS) and embedding strategies
* Integrating OpenAI / Bedrock models and developing guardrails & evaluation flows
* Ingesting and structuring data for high-performance retrieval and analytics
* Building clean, fast UIs with React / Next.js
* Shaping cloud architecture (AWS, Docker, ECS) and CI/CD pipelines
* Working directly with the founders to set the product and technical roadmap
💡 What You’ll Bring
* 5+ years’ full-stack experience with Python + React/Next.js
* Proven hands-on AI engineering — RAG systems, embeddings, hybrid search
* Solid cloud & data skills (AWS, SQL/NoSQL, containerisation)
* Familiarity with LangChain / LlamaIndex and LLM evaluation tools a bonus
* Start-up mindset — proactive, hands-on, and comfortable with ambiguity
🚀 Why Join
* Founding-team impact with meaningful equity
* Build a groundbreaking AI product from the ground up
* Flexible remote-first working, with optional London meetups
* Competitive salary and a culture that values innovation and autonomy
Sound like a good fit? Hit apply and let’s chat!