**Description:** We’re building a custom, data\-driven web application that will keep evolving over time. This is a real product/system with database logic, admin workflows, user roles, and ongoing improvements; not a marketing site, landing page, or WordPress project. We’re looking for a Brazil\-based Full Stack Developer (solo or a small team) who can take ownership of delivery, maintenance, and continuous iteration. You’ll work directly with the founder, under NDA, with a long\-term collaboration mindset. **Responsibilities:** * Build and evolve a custom web application with both frontend and backend ownership * Design and implement APIs, business logic, and database structure * Create and maintain admin panels for frequent data entry and updates * Implement user authentication, roles, and permissions * Improve performance, reliability, and scalability as the product grows * Maintain the existing system: bug fixes, refactors, upgrades, and new features * Propose practical technical improvements (architecture, tooling, security, DX) * Communicate clearly: progress updates, tradeoffs, and realistic timelines What This Is NOT * Not a WordPress site * Not a short\-term freelance gig * Not a design\-only role **Requirements:** * Based in Brazil (mandatory) * Strong experience with both frontend and backend development * Experience building web applications with database and admin panels * Comfortable working on long\-term projects, not one\-off builds * Able to maintain, improve, and scale an existing system * Willing to work under NDA **Nice to have:** * Experience with SaaS or internal platforms * Experience owning projects end\-to\-end * Ability to suggest architecture and process improvements * Familiarity with secure development practices (auth, data protection, auditability) **Benefits:** * Long\-term collaboration (not a short gig) * Direct access to decision\-making (work with the founder, fast feedback loops) * Flexible engagement model: * monthly retainer, or * phased delivery (milestones) with ongoing maintenance * Opportunity to shape a real system and improve it continuously
João Silva
Indeed · HR
João Silva
Indeed · HR
