Senior Full-Stack Developer (Next.js + Supabase)

SpecialStays is a family‑run business that develops and operates distinctive holiday homes in Belgium and the Netherlands, combining real estate expertise with active hospitality management. We are now building a digital platform to match the quality of our properties and are looking for a Senior Next.js and Supabase Developer to own our authentication layer. As part of the hiring process, you will complete a quick technical trial to build a secure, production‑ready login and sign‑up form using Next.js and Supabase. Your core responsibilities will include implementing secure authentication flows, utilising Server Actions to handle credentials safely, and enforcing Row Level Security policies to protect user data. You should have at least five years of development experience, with a minimum of two years working with Next.js and Supabase, along with strong TypeScript and PostgreSQL skills. A solid understanding of CSRF protection, session management, and secure cookie handling, as well as proficiency with Tailwind CSS, is also required. During the two‑to‑three‑hour trial, we will evaluate your Server Action implementation, middleware routing, clean code structure, responsive UI , and your ability to implement at least one RLS policy. If you are passionate about building secure, scalable digital experiences that reflect the quality of our holiday homes, we would love to hear from you.