Frontend Developer, Mid-level

Frontend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1-10H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

108 days ago

Salary

0

Seniority

Senior

Job Description

Frontend Developer, Mid-level

Milenium Intermediacoes Financeiras

• Build mobile and web applications using React Native (Expo) and Next.js, including integrations with APIs and native features • Implement front-end architecture best practices, component organization, and code reuse • Work closely with the back-end team to integrate with REST APIs • Perform code reviews, propose improvements, and maintain consistent quality standards • Monitor performance, identify bottlenecks, and apply optimizations • Ensure a good user experience (UX) and accessibility

Job Requirements

  • Experience with React Native (Expo)
  • Experience with Next.js for production web applications
  • Proficiency in JavaScript, TypeScript, HTML, and CSS
  • Knowledge of key fundamentals:
  • State and lifecycle
  • Hooks
  • Context API / Zustand / React Query (preferred)
  • Navigation and routing
  • SSR, SSG, ISR rendering and loading optimization

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