Hybrid Mid-level Front-end Developer

Posted 2 hours ago

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About the role

  • Pleno Front-end Developer at Mutant responsible for developing modern, scalable and performance-driven applications. Collaborate with a talented team to innovate and evolve in technology.

Responsibilities

  • Strong experience with JavaScript ES6+ and TypeScript
  • Proficiency in SPA concepts, componentization, immutability, functional programming, and code organization
  • Knowledge of front-end architecture best practices (separation of concerns, SOLID adapted to the front-end, Clean Code)

Requirements

  • Solid experience with JavaScript ES6+ and TypeScript
  • Proficiency in SPA concepts, componentization, immutability, functional programming, and code organization
  • Knowledge of front-end architecture best practices (separation of concerns, SOLID adapted to the front-end, Clean Code)
  • Experience with Vue (2 and 3) and/or React 18+
  • Hooks, Composition API, componentization and modular architecture
  • State management with Pinia, Vuex or Context API
  • React Router or Vue Router
  • Experience with TanStack Query (React Query/Vue Query) for server-state management
  • Integration with REST APIs
  • Use of Axios or Fetch
  • Authentication via JWT/OAuth2
  • Global error handling and caching strategies
  • Integration with multiple backend services (BFF is a plus)
  • TailwindCSS, Sass or CSS Modules
  • Experience with libraries such as MUI, Ant Design, Chakra UI or similar
  • Creation of reusable components and Design Systems
  • Responsive design (mobile-first)
  • Basic accessibility knowledge (WCAG/ARIA) and UX best practices
  • Organization by modules/domains
  • Lazy loading and code splitting
  • Performance optimization (memoization, reducing re-renders, bundle optimization)
  • Experience with DevTools/Lighthouse
  • Vite, Webpack or similar
  • Unit testing with Jest or Vitest
  • E2E testing with Cypress or Playwright
  • ESLint, Prettier and code quality best practices
  • Git (GitHub, GitLab or Bitbucket)
  • Experience with CI/CD
  • Docker (desirable)
  • Package publishing and versioning (a plus)

Benefits

  • Medical and dental insurance
  • Life insurance
  • Commuting allowance (transportation)
  • Meal and food allowance
  • Wellhub (Gympass)
  • Childcare assistance
  • Support for children with disabilities
  • Performance bonus
  • Birthday day off
  • Alelo Multibenefits
  • Allya - partnerships and discounts via the app
  • Pet health plan

Job title

Mid-level Front-end Developer

Job type

Experience level

Mid levelSenior

Salary

R$5,000 - R$10,000 per month

Degree requirement

No Education Requirement

Location requirements

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