Founding Solutions Engineer

About the role

Quick facts We’re a global e-invoicing platform operating in 30+ countries Revenue grew 10x last year and is on track to triple again this year to €3M ARR Role: first dedicated post-sales hire. Own customer implementations end-to-end and build the post-sales function from scratch alongside the founders and engineering team Looking for: 2–5 years of experience in technical, customer-facing, or implementation roles. Strong coding fundamentals, clear communication, and high ownership Compensation: €50–70k + ESOP Based in Madrid, working in person from our office in El Viso -- Over the last few years, we’ve built a product customers genuinely love. More than 200 companies have implemented Invopop using only our API docs and support channels. As we move upmarket, larger enterprises need more hands-on technical support to design, build, and launch their integrations successfully. That’s why I’m looking for a Founding Solutions Engineer to help us build the post-sales function from scratch. You’ll work directly with engineering teams at some of the world’s fastest-moving tech companies to get them live across multiple countries. You’ll debug integrations, answer hard technical questions,