UI Developer

Job Description

Job Title: UI Developer Required Experience: 4?7 Years Experience Location: Noida, Dehradun ? On-site (5 days/week) Employment Type: Full-time Job Summary We?re building a mission-critical analytics platform that processes millions of data points daily for thousands of professionals. The work you do will directly affect the speed, accuracy, and usability of a platform. 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. What You?ll Do ? Develop high-performance, responsive applications using React and TypeScript. ? Implement real-time streaming using Server-Sent Events (SSE), WebSockets, and Pub/Sub messaging with fallback strategies. ? Build data-rich visualizations with Apache ECharts, D3.js, or Highcharts. ? Optimize UI performance for large-scale datasets and thousands of concurrent users. ? Write and maintain unit, integration, and E2E tests. ? Collaborate with designers, backend engineers, and product managers in an Agile environment. ? Ensure accessibility compliance. ? Debug, troubleshoot, and fix production issues. Must-Have Skills ? React & TypeScript ? JavaScript (ES6+) fundamentals ? Data visualization libraries: Apache ECharts, D3.js, Highcharts, Chart.js, or Recharts ? SSE, WebSockets, Pub/Sub messaging ? SCSS/SASS, CSS Modules, or CSS-in-JS ? State management ? REST and GraphQL API integration ? Performance optimization techniques ? Accessibility best practices ? Git-based workflow Preferred Skills ? Experience in analytics and dashboards ? Micro-frontend architectures (Webpack Module Federation, Single-SPA) ? Component library creation and npm publishing ? CI/CD pipelines, Docker ? PWA development