Full Stack Engineer

Fullstack Engineer – Series B AI Startup | Spain (100% Remote)

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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 with

Ruby on Rails, React, TypeScript
RESTful APIs and PostgreSQL (Prisma)
Containerisation and orchestration (Docker, Kubernetes)
CI/CD (GitLab, GitHub Actions), AWS/GCP
Testing (RSpec, Jest, React Testing Library)

You bring

Solid full‑stack experience in startup or product‑led teams
SQL Databases, ideally PostgreSQL
Ability to design, build, and deploy production‑ready features end‑to‑end
Proficiency in database design, API development, and performance optimisation
Solid GitHub or code samples that show technical depth and curiosity
Series B funding and strong traction with enterprise, media, and government clients
Work directly on real‑time generative AI systems at production scale
Collaborate with senior engineers in a small, high‑impact team with no bureaucracy
Own architecture decisions, ship fast, and see your work xcskxlj go live in weeks
100% remote across Europe | Flexible hours | Equity included

If you want to build the infrastructure and interfaces that make AI talk, get in touch.
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function

Engineering, Information Technology, and Design

Industries

Software Development
IT System Custom Software Development
Broadcast Media Production and Distribution

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