Lead Frontend Developer (React.js) (Portugal office) (вакансія неактивна)

Requirements:
— at least 5 years of development experience with JavaScript;
— good experience with React.js (functional components approach);
— strong knowledge of Redux (thunk, redux-saga, redux-toolkit);

• experience with payment systems (Stripe, Braintree...)
• “mobile first” principle, experience with development for mobile browsers
• web applications optimizations (PageSpeed/Lighthouse scores)

— understanding of RESTful API;
— experience with building responsive layouts;
— knowledge of SASS (‘styled-components’ will be a plus);
— experience with implementing common analytics tools (e.g. Google Analytics, Facebook Pixel, Amplitude, etc.);
— ability to maintain clean Git environment;
— ability to navigate through the existing codebase, maintain, review and improve it;
— English — intermediate level;

Will be a plus:
— experience with Next.js;
— experience with Google Maps API;

Responsibilities:— developing user interfaces using React.js best practices;
— improving existing features and refactoring existing codebase;