Fullstack Engineer – Series B AI Startup | Spain (100% Remote)Se anima a todos los posibles solicitantes a que se desplacen y lean la descripción completa del puesto antes de presentar su candidatura.I’m partnered with a fast‑scaling AI startup, fresh off a Series B raise, looking for an early hire Developer to shape the next generation of their platform. You'll build the GenAI behind some of the products that you use every single day.This is a role for hands‑on builders who enjoy owning systems end‑to‑end, from backend architecture to clean, functional UI. You’ll work on production‑scale APIs, and tooling that powers real‑time generative AI applications.You’ll work withRuby on Rails, React, TypeScriptRESTful APIs and PostgreSQL (Prisma)Containerisation and orchestration (Docker, Kubernetes)CI/CD (GitLab, GitHub Actions), AWS/GCPTesting (RSpec, Jest, React Testing Library)You bringSolid full‑stack experience in startup or product‑led teamsSQL Databases, ideally PostgreSQLAbility to design, build,



and deploy production‑ready features end‑to‑endProficiency in database design, API development, and performance optimisationSolid GitHub or code samples that show technical depth and curiositySeries B funding and strong traction with enterprise, media, and government clientsWork directly on real‑time generative AI systems at production scaleCollaborate with senior engineers in a small, high‑impact team with no bureaucracyOwn architecture decisions, ship fast, and see your work xcskxlj go live in weeks100% remote across Europe | Adaptable hours | Equity includedIf you want to build the infrastructure and interfaces that make AI talk, get in touch.Seniority levelMid‑Senior levelEmployment typeFull‑timeJob functionEngineering, Information Technology, and DesignIndustriesSoftware DevelopmentIT System Custom Software DevelopmentBroadcast Media Production and Distribution#J-18808-Ljbffr

📌 Full Stack Engineer (Madrid)
🏢 Talent
📍 Madrid