Frontend Developer - React.js/TypeScript

<p><p><b>Description :</b><br/><b><br/></b></p><p><p><b>Job Title :</b> Mid-to-Senior Front-End Developer(UI Developer).</p><p><br/><b>Experience :</b> 3 to 7 Years Experience.</p><br/><b>Location :</b> Noida, Dehradun, Gondia On-site (5 days/week).<br/><br/><b>Employment Type :</b> Full-time.<br/><br/><b>Why This Role Matters :</b><br/><br/></p><p>Were building a mission-critical analytics platform that processes millions of data points daily for thousands of professionals.<br/><br/>The work you do will directly affect the speed, accuracy, and usability of a platform.<br/><br/>This role is perfect for engineers who are already strong in modern front-end development and want to deepen their expertise in real-time systems, high-performance data visualization, and scalable architectures.<br/><br/><b>What Youll Do :</b><br/><br/></p><p>- Develop high-performance, responsive applications using React and TypeScript.<br/><br/>- Implement real-time streaming using Server-Sent Events (SSE), WebSockets, and Pub/Sub messaging with fallback strategies.<br/><br/>- Build data-rich visualizations with Apache ECharts, D3.js, or Highcharts.<br/><br/>- Optimize UI performance for large-scale datasets and thousands of concurrent users.<br/><br/>- Write and maintain unit, integration, and E2E tests.<br/><br/>- Collaborate with designers, backend engineers, and product managers in an Agile environment.<br/><br/>- Ensure accessibility compliance.<br/><br/>- Debug, troubleshoot, and fix production issues.<br/><br/><b>Must-Have Skills :</b><br/><br/></p><p>- React & TypeScript.<br/><br/>- JavaScript (ES6+) fundamentals.<br/><br/>- Data visualization libraries : Apache ECharts, D3.js, Highcharts, Chart.js, or Recharts.<br/><br/>- SSE, WebSockets, Pub/Sub messaging.<br/><br/>- SCSS/SASS, CSS Modules, or CSS-in-JS.<br/><br/>- State management.<br/><br/>- REST and GraphQL API integration.<br/><br/>- Performance optimization techniques.<br/><br/>- Accessibility best practices.<br/><br/>- Git-based workflow.<br/><br/><b>Preferred Skills :</b><br/><br/></p><p>- Experience in analytics and dashboards.<br/><br/>- Micro-frontend architectures (Webpack Module Federation, Single-SPA).<br/><br/>- Component library creation and npm publishing.<br/><br/>- CI/CD pipelines, Docker.<br/><br/>- PWA development.<br/></p><br/></p> (ref:hirist.tech)