Full Stack Web Developer
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Job Description
Full Stack Developer taking ownership of data-driven web applications evolution in Brazil. Collaborating directly with the founder, focusing on maintenance, improvement, and scaling.
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
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
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