Lead React Developer

This a Full Time position is hybrid São Paulo, Brazil

working with US clients. We offer: Salary R$20,000 gross monthly 3 days on site / 2 days at home Vale Refeição / Alimentação R$ 992,00 Plano de Saúde Bradesco ( Descontos Sujeito a Alteração) Plano Odontológico Bradesco Seguro de Vida Auxílio Creche

Required Qualifications: Strong proficiency in

ReactJS

and its ecosystem (Hooks, Context API, Redux, etc.). Excellent command of

JavaScript (ES6+)

and

TypeScript

. Solid understanding of

HTML5

,

CSS3

,

SASS/LESS

, and responsive design principles. Experience with

frontend build tools

such as Webpack, Babel, Vite, or similar. Familiarity with

RESTful APIs

,

GraphQL

, and

frontend integration

patterns. Hands-on experience with

unit testing frameworks

(Jest, React Testing Library, Cypress). Strong understanding of

frontend performance optimization

techniques. Excellent problem-solving and leadership skills. Effective communication skills in

English and Portuguese

(both written and verbal).