Looking for a Full-Stack Engineer. Salary : €60k-€80k Hybrid : BCN 3 Days, Remote : 2 Days. We're a SaaS AI hiring startup, founded in October 2025.
One of the founders has +20 years of recruiting experience, founded and, and has tested every ATS on the market — he'll be a heavy daily user.
AI Interviews / Agents + Omnichannel / All-In-One : WhatsApp + LinkedIn + Email. Primarily the US, but general from day one.
Risks : Like in any startup, they exist, and we'll explain them during the interview.
Investors : +10 successful entrepreneurs with exits in their projects.
Tech & Challenges
Ship Features Fast, Build Platform as You GoDesign and ship end-to-end features (Next.Js frontend → FastAPI backend → Supabase)Identify when manual deploys / testing / monitoring hurt, automate them.Create reusable patterns for common integration needs (data-access, webhooks, auth, data sync)You'll ship the feature this week, automate the deployment next week, extract patterns the month after.
Integration Architecture for HR Tech StackDesign API patterns that work for ATS, HRIS,, LinkedIn,



email providers, and future integrations.Build webhook handlers, auth flows (OAuth, JWT), data sync pipelines.Safe Deployment & MonitoringSet up monitoring / tracing for every feature you ship (know what breaks and where)Create deployment automation as manual deployment pain increases.Build internal tooling to make deployments safe, routine, and low-friction.Know when to ask for help setting up observability, then automate it for next time
4+ years professional software engineering (full-stack)
~ Proven ability to ship features end-to-end (Next.Js + Python / FastAPI preferred)
~ Experience with monorepos, deployment automation, CI / CD, Docker.
~ You are a heavy user of AI coding agents (Claude, Cursor, GitHub Copilot, or similar) and LLMs in your daily workflow. AI-assisted development is not optional - it will be expected and enforced.
You own features from first commit to production monitoring. You

📌 Fullstack React/ Python Developer (Cataluña)
🏢 AI hiring startup
📍 Cataluña