Senior UI Developer

2 weeks ago

Noida, Uttar Pradesh, India Infoorigin Inc Full time ₹ 12,45,000 - ₹ 15,58,198 per year

Role: UI Developer

Location: Noida, UP

Work Mode: Onsite

Employment Type: Full-Time

Interview Mode: Video or In Person

Job Description

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, , 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, , Highcharts, , 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

Job Type: Full-time

Pay: ₹1,245, ₹1,558,198.09 per year

Application Question(s):

  • What is your total IT experience?
  • How many years of experience do you have with React/ React.Js?
  • Do you have experience with Typescript and Javascript?
  • Have you worked with data visualization libraries like ECharts, , Highcharts, or
  • Have you integrated applications with GraphQL APIs?
  • Are you experienced with SCSS/SASS, CSS Modules, or CSS-in-JS?
  • Are you fine with working onsite role (5 Days Work from Office) at Noida Location?
  • Do you have Notice period of 30 days or less?

Work Location: In person

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