Descripción de la oferta
Build the infrastructure powering the next generation of AI companies We’re partnering with one of Europe’s most ambitious AI infrastructure startups to hire the first engineering leader for their new Barcelona hub. This company is building the revenue engine for AI agents, helping AI-native companies transform usage into accurate, scalable and compliant billing. Backed by top-tier investors, the company has already raised $33M in pre-seed & seed funding at a valuation above $100M . Why this role is special This is not a “maintain legacy systems” role. This is not a “manage people and sit in meetings” role. You’ll join at the earliest stage and become the founding technical hire in Barcelona , working directly with an elite founding team to build the engineering culture, product and future team from the ground up. You’ll have real ownership, real influence and the chance to shape a company from day one. The Founding Team You’ll work alongside operators who have already built category-defining companies: CEO previously scaled a company to $250M ARR and a $4.4B valuation CPO previously founded and sold a billing infrastructure company to Salesforce Early engineers and advisors from Stripe, Meta & Palantir The Barcelona office will become the company’s founding engineering hub in Europe. What you’ll do As Founding Engineering Lead, you’ll combine hands-on building with technical leadership. You’ll: Architect and ship core product features from scratch Build systems around pricing intelligence, usage tracking, billing and margin analytics Own the full lifecycle: architecture → deployment → scale Work directly with the founders on technical strategy and product direction Define engineering culture and best practices for the Barcelona hub Hire and mentor the first local engineering team This is a role for someone who loves building fast, solving hard technical problems and having massive ownership. Tech Environment You don’t need experience in every technology listed below — strong engineers learn quickly. Current stack: Go (Golang) TypeScript / Node.js AWS ClickHouse Distributed systems & event-driven architecture Engineering culture: Full-stack mindset High autonomy & low ego Fast execution over bureaucracy AI tools fully embraced (Cursor, Claude Code, etc.) Pragmatic engineering with strong product thinking What we’re looking for We’re looking for builders. People who thrive in ambiguity, move fast and enjoy creating things from zero to one. Ideal background: 7+ years in software engineering Experience in high-growth startups or scale-ups Strong backend fundamentals + ability to work across the stack Experience shipping production systems end-to-end Exposure to complex infrastructure, billing, payments, usage tracking or distributed systems Leadership potential: mentoring, technical ownership, hiring involvement Strong signals: Experience at companies like Stripe, Palantir, Meta or top-tier infrastructure startups Founding engineer experience Fintech / infra / developer tools background AI-native workflow and strong leverage from AI tools Why join now? Rare opportunity to join an elite team extremely early Massive ownership and technical influence Barcelona-based founding team High-impact product at the center of the AI ecosystem Strong compensation + meaningful equity upside Opportunity to build and lead your own engineering team If you’re excited by difficult technical problems, ambitious founders and building something category-defining from day one — we’d love to speak with you.
