Senior Full-Stack Product Engineer (Startup, SaaS, Amsterdam)

Over 2 million food & beverage (F&B) businesses operate in the EU. 60% face failure within their first year 80% in five years. SOUS is here to change that. We’re building a platform that empowers independent F&B creators to thrive - unlocking new revenue streams, cutting costs, and scaling online growth with ease. From e-commerce to delivery management to building loyal communities, we’re reimagining how independent F&B brands grow in a digital-first world. In just two years, we’ve scaled rapidly, onboarded top talent, and brought in over €8M in sales for our clients. Now, we’re evolving - transitioning to a SaaS-first model that will shape the future of the €100B independent F&B market. To make this vision a reality, we’re searching for a Senior Full-Stack Product Engineer who’s as excited about building great products as they are about leading a team. If you’re ready to roll up your sleeves, write brilliant code, and influence the technical direction of a high-growth startup, we’d love to meet you. Tasks Code, Build, and Ship (70%-80% of your time): - Develop and refine our core backend (Django) and frontend (React + TypeScript). - Create and improve APIs for users, orders, shipping, and partner tools. - Build smart integrations with tools like Shopify and Mendrix. - Scale and optimize cloud hosting on GCP (and AWS in the future). - Ensure our stack is clean, scalable, and future-proof. Product Engineering (20%-30% of your time): - Architect and scale multi-tenant SaaS solutions for the next phase of SOUS. - Collaborate with product, design, and operations teams to align technical plans with business goals. - Set the bar for code quality, testing (TDD/BDD), and CI/CD workflows. - Mentor developers to help them grow while creating a culture of engineering excellence. - Identify opportunities to innovate and improve. Requirements Hands-On Experience: - You’ve been in the trenches as a full-stack developer for 10+ years, and you