Frontend Developer

13 hours ago

uttar pradesh, India Info Origin Inc. Full time

New Opportunity for Front-End Developer(UI Developer) || Immediate to 30days Joiners


Job Title: Mid-to-Senior Front-End Developer(UI Developer)

Experience: 3–7 Years Experience

Location: Noida, Dehradun, Gondia – On-site (5 days/week)

Industry: Data & Analytics Platform

Employment Type: Full-time

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Why This Role Matters

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

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