Senior Frontend Developer - Javascript/TypeScript

About The Role

Key Responsibilities

• Design, develop, and maintain frontend components for web-based services.
• Build and manage frontend systems for CLO-SET and PLUGIN.
• Develop and maintain internal Backoffice Admin tools and design system components.
• Enhance frontend systems to improve user experience and performance.
• Continuously improve development environments, optimize code, and adopt best practices.
  

Must-Have Qualifications

• 7+ years of professional frontend development experience.
• Strong proficiency in JavaScript (6+ yrs) and TypeScript (4+ yrs).
• Excellent knowledge of HTML, CSS, and REST APIs (5+ yrs).
• Hands-on experience with React (5+ yrs) and/or Vue.js (3+ yrs).
• Expertise in state management libraries such as MobX, Redux-Saga, or Recoil.
• Experience with CSS-in-JS libraries such as Emotion.js (3+ yrs) or Styled Components.
• Familiarity with module bundlers like Webpack or Rollup.
• Strong understanding of website performance measurement and optimization techniques.
• Excellent communication skills to collaborate effectively with cross-functional global teams.
  

Good To Have

• Hands-on experience with Next.js (3+ yrs) or other SSR platforms.
• Knowledge of test automation, writing test cases, and implementing CI/CD pipelines.
• Experience in service monitoring & performance tuning using Datadog, Sentry, or similar tools.
• Understanding of SEO, Responsive Web Design, Cross-Browser compatibility, and modern UX techniques.
• Fluent or native-level English communication skills for international collaboration.