Ai Solution Engineer - Full-Stack / Rails Engineer (Barcelona)

Join to apply for theAI Solution Engineer - Full-stack / Rails Engineer (Barcelona)role atYuma AI (YC W23).Be among the first 25 applicants.About Yuma AI: Yuma is building a complete orchestration platform that deploys autonomous AI agents dedicated to customer support in e-commerce. We are one of the leaders in this space, supporting over 150 paying customers. Our agents replicate human capabilities by taking actions and retrieving information from external services as needed.Our platform automates over 80% of support tickets for top merchants through Yuma. Founded by Guillaume Luccisano, a 3rd‑time YC founder, we have a team of 20 dedicated talents and are in our 10th consecutive month of double‑digit growth, aiming to quadruple revenue in 2026.Role OverviewWe are a small team of 5 engineers working at startup speed. The backend is a Ruby on Rails API with Postgre SQL, Redis, and Sidekiq;
the frontend uses Next.Js and React. We handle millions of support tickets and e-commerce...