Senior Full-Stack Engineer

We’re looking for a senior full-stack engineer to inherit an existing production codebase and extend a SvelteKit/TypeScript + Supabase + Vercel platform for high-traffic spend-and-redeem campaigns. You should be comfortable working in a live environment, improving reliability, and delivering practical, commercially sensible solutions. The role involves strengthening backend/API capabilities, ensuring data security, and supporting scalable, stable platform growth.