Senior Javascript Developer - React

Accountabilities:

• • Architect and develop robust, scalable web applications using React.js and Next.js, ensuring maintainability, reliability, and a strong user experience.
  • Own significant frontend features throughout the complete lifecycle, from technical design and implementation to rollout and continuous improvement.
  • Drive frontend performance optimization, including server-side rendering, static generation, bundle size, Core Web Vitals, caching, debugging, and browser performance.
  • Collaborate with product, design, and other engineering teams to define and deliver features that improve user engagement.
  • Design and integrate REST-based third-party APIs and ensure reliable communication between frontend applications and external services.
  • Establish and maintain high engineering standards through code reviews, refactoring, testing practices, and pragmatic technical debt reduction.
  • Lead initiatives to improve frontend architecture, development workflows, deployment pipelines, and overall application quality.
  • Mentor junior and mid-level developers, share knowledge, and help strengthen the team’s frontend engineering capabilities.
  • Evaluate emerging web technologies, frameworks, and development practices and recommend improvements where they can create meaningful value.

  Requirements:

  • 5+ years of professional experience building production web applications with JavaScript.
  • 5+ years of professional experience with React.js, including strong knowledge of functional components, hooks, state management, context, memoization, rendering behavior, and lifecycle concepts.
  • Hands-on production experience with Next.js, including server-side rendering, static generation, and routing.
  • Strong command of ES6+, TypeScript, HTML, CSS, and a state management library such as Redux or a comparable solution.
  • Proven experience designing and integrating REST-based third-party APIs.
  • Demonstrated experience with frontend performance optimization, debugging, browser testing, and modern web performance practices.
  • Experience with modern build tooling such as Webpack, Babel, or equivalent technologies, as well as frontend deployment pipelines.
  • Track record of leading code reviews, refactoring legacy code, and improving engineering standards.
  • Strong problem-solving skills, with the ability to independently analyze, clarify, scope, and translate requirements into effective technical solutions.
  • Strong attention to detail and a well-developed understanding of UI/UX and visual interfaces.
  • Familiarity with Google Lighthouse and PageSpeed Insights and their use in driving measurable performance improvements is preferred.
  • Knowledge of SEO best practices for server-rendered applications, component libraries, design systems, and monorepo tooling is advantageous.
  • Experience with automated testing tools such as Jest, React Testing Library, Playwright, or Cypress is a plus.
  • Familiarity with feature flagging, progressive rollouts, and asynchronous or distributed team environments is desirable.
  • Prior experience mentoring developers or leading technical initiatives is preferred.
  • Clear, confident communication skills, with the ability to both challenge ideas constructively and respond positively to feedback.
  • A curious, proactive, collaborative mindset and a genuine interest in building practical products that solve real problems.

  Benefits:

  • Competitive salary based on skills and experience.
  • Fully remote work, enabling collaboration with a globally distributed team.
  • Flexible working hours and autonomy over your schedule.
  • Five-day work week designed to support a healthy work-life balance.
  • Team retreats and offsites for collaboration, connection, and recharging.
  • Meal vouchers and employee benefits, including health insurance.
  • Internal learning tracks and opportunities to expand your development expertise.
  • Company merchandise and additional employee perks.