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Frontend Developer - React.js/TypeScript

INFO ORIGIN TECHNOLOGIES PRIVATE LIMITED
Multiple Locations
3 - 7 Years

Posted on: 10/10/2025

Job Description

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.


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