Empresa: Kstack
Role Summary We are looking for a creative, detail-oriented Frontend React Developer with hands-on experience building dynamic, high-performance web applications. The ideal candidate has a strong foundation in front-end architecture, writes clean and maintainable code, and has a solid understanding of modern JavaScript frameworks and development practices. In this role, you will leverage modern AI-powered productivity tools and work closely with UI/UX designers, back-end engineers, and global cross-functional teams to build scalable user interfaces and deliver exceptional user experiences. Key Responsibilities • Design, develop, and maintain efficient, reusable, and reliable React.js components for enterprise web applications. • Partner with UI/UX designers to translate wireframes, mockups, and user stories into polished, high-quality user interfaces. • Optimize front-end applications for speed, performance, responsiveness, and cross-browser compatibility . • Integrate front-end applications with RESTful APIs, GraphQL endpoints, and back-end services . • Actively participate in code reviews, sprint planning, and daily stand-ups within an Agile development environment. • Troubleshoot and resolve front-end defects, memory leaks, and performance bottlenecks across modern browsers. • Create and maintain technical documentation, component libraries, and front-end development standards. • Stay current with emerging front-end technologies, web standards, and engineering best practices to drive continuous improvement. • Leverage AI-powered development tools to accelerate feature development, code refactoring, unit testing, and technical documentation. Technical & Mandatory Skills React & Front-End Core Stack • 3+ years of professional front-end development experience building modern web applications with React.js . • Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3/SCSS . • Solid understanding of state management tools and patterns, including Redux Toolkit, Context API, Zustand, or Recoil . • Hands-on experience with asynchronous request handling, API integration, and JSON data using Axios or the Fetch API . • Familiarity with modern front-end build pipelines and development tools, including Webpack, Vite, Babel, and npm/pnpm/yarn . • Strong understanding of responsive design frameworks and styling libraries such as Tailwind CSS, Material UI, Styled Components, or Bootstrap . • Experience with Git-based version control and development workflows using platforms such as GitHub, Azure DevOps, or GitLab . Quality & Engineering Standards • Good understanding of testing frameworks and tools such as Jest, React Testing Library, or Cypress . • Understanding of browser rendering behavior, DOM manipulation, and front-end performance optimization techniques . AI Tools Experience Hands-on experience using modern AI-powered tools to improve developer productivity, including: • GitHub Copilot or Cursor for AI-assisted code generation and refactoring. • ChatGPT, Claude, or enterprise Generative AI assistants for rapid debugging, algorithm design, and technical documentation. • AI-powered tools for code analysis, testing, or code completion . Preferred Qualifications • Exposure to modern React frameworks such as Next.js , as well as Server-Side Rendering (SSR) and Static Site Generation (SSG) concepts. • Familiarity with CI/CD pipelines for front-end application deployments. • Basic understanding of Web Content Accessibility Guidelines (WCAG) and SEO best practices. • Familiarity with Agile project management tools such as Azure DevOps or Jira . Soft Skills • Communication: Strong written and verbal English communication skills, with the ability to collaborate effectively with global development teams. • Analytical Thinking: Strong problem-solving skills with excellent attention to detail and UI precision. • Ownership & Accountability: Ability to take ownership of features from technical task breakdown through production release. • Adaptability: Eagerness and ability to quickly learn new libraries, frameworks, and engineering tools.