Senior Fullstack Developer ( Express.js / React )

99x Brazil, a established tech company with over 10 years of experience, is seeking a Senior Fullstack Developer to join their team. This role offers an exciting opportunity to work with Express.js and React technologies while leading and shaping the technical direction of various projects. The position combines technical expertise with leadership responsibilities, as you'll be involved in both hands-on development and mentoring team members.

The role demands a strong background in fullstack development, with particular emphasis on Express.js for backend services and React for frontend interfaces. You'll be working in a fully remote environment with flexible hours, making it an ideal position for developers who value work-life balance. The company offers multiple employment models (CLT/PJ/Cooperativa) to suit your preferences, along with competitive compensation including performance-based bonuses.

As a senior developer, you'll be responsible for designing and developing scalable web applications, leading technical architecture decisions, performing code reviews, and collaborating with cross-functional teams. The position requires 5+ years of experience in software development, proficiency in Node.js ecosystem, and experience with both MongoDB and PostgreSQL databases.

The company provides excellent growth opportunities through mentoring, online courses, and access to the latest technology. They maintain a strong presence in serving clients across North America and Europe, offering exposure to diverse, international projects. The role combines technical challenges with leadership opportunities, making it perfect for experienced developers looking to make a significant impact while continuing to grow their skills.