Senior Software Engineer

Python • FastAPI • React.js • GCP • Early Engineer€85k–€100k + meaningful equity | Amsterdam (Hybrid)Working with a payments startup that’s already doing what most early-stage companies are still talking about. They’re live in production, routing real transactions, with real merchants, and just landed a €2.1 million seed round. Recently raised from a top-tier European B2B SaaS investor, on the back of strong commercial traction.Small team. High bar. No room for passengers.Why does this one stand out? Early… but not chaos, foundations are already in placeProduct is live, solving real problems in a complex payments ecosystemAlready working with scaling startups and global brandsYou’ll have real influence across architecture, product, and teamYou’re not joining a team… you’re helping build itThis is one of those roles where, in 12–18 months, you either say:“Glad I got in early”or“ damn it, wish I had.”What you’ll be working on;Building and scaling a payments orchestration platformRouting transactions in real-time across multiple providersDesigning systems that need to be reliable, fast, and correctOwning features end-to-end (idea → production → iteration)Stack:Python (FastAPI)ReactGCP, Terraform, CI/CDWhat they’re looking for 🎯5+ years building and shipping real productsBackend-leaning full-stackStrong fundamentals > specific frameworksCloud experience (GCP or AWS)Someone who enjoys ownership, ambiguity, and building things properlyThe offer 💰€85k–€100k + equityHybrid, flexible, grown-up cultureReal impact from day one on a live productClear path to Staff / Lead as the team scalesIf you want early-stage energy without the “we’re still figuring it out” chaos, this is a very good one.Just strong people, a real product, and proper upside.2026 is going to be big for them. If you want in early, now’s the time. 👊