Description :
Job Title : Mid-to-Senior Front-End Developer(UI Developer).
Experience : 3 to 7 Years Experience.
Location : Noida, Dehradun, Gondia On-site (5 days / week).
Employment Type : Full-time.
Why This Role Matters :
Were 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 Youll 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.(ref : hirist.tech)