Full-Stack Developer for WebApp to optimize

Looking for an experienced full-stack developer to work on a web platform focused on security hardening, performance optimisation, and SEO improvements. The project involves backend (Node.js / Express / Prisma / PostgreSQL) and frontend (Next.js 15 / React 19) work... (Budget: $30 - $250 USD, Jobs: Express JS, Full Stack Development, Next.js, Node.js, PostgreSQL)