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, attention to detail, and the ability to lead UI development initiatives from concept through execution.

Key Responsibilities:

• Develop and maintain modern, scalable front-end applications using ReactJS and Next.js.
• Write clean, efficient, and well-documented code using TypeScript.
• Implement unit testing frameworks (e.g., Jest, React Testing Library) ...