Senior Frontend Developer (ReactJS)

Job Title: Senior UI Developer – ReactJS / Next.js / TypeScript Location: Sao Paulo, Brazil (Hybrid) Experience Level: 10 Years (Mid-Senior Level) Employment Type: Contract Job Description: We are seeking a highly skilled and experienced Senior UI Developer with a strong background in ReactJS, Next.js, TypeScript, and Unit Testing. The ideal candidate will have a proven track record of building scalable, responsive, and high-performance web applications. This role requires a collaborative mindset, excellent problem-solving skills, and the ability to work effectively in a fast-paced environment. The successful candidate will be responsible for designing, developing, testing, and maintaining complex UI components, as well as collaborating with cross-functional teams to deliver high-quality products. Key responsibilities include: • Designing and implementing reusable UI components using ReactJS, Next.js, and TypeScript • Developing and maintaining unit tests for UI components • Collaborating with designers and product managers to ensure design consistency and alignment with business objectives • Participating in code reviews and ensuring adherence to coding standards • Troubleshooting and debugging complex issues in a timely manner • Staying up-to-date with the latest trends and best practices in frontend development • Mentoring junior developers and providing guidance on best practices and technical skills • Participating in agile development methodologies, including daily stand-ups, sprint planning, and retrospectives