React Frontend Developer

2 days ago

Lucknow, Uttar Pradesh, India Ardem Data Services Full time ₹ 12,00,000 - ₹ 24,00,000 per year

React Frontend Developer Mobile Responsive UI & Testing

Location: Remote

Shift: EST hours

Company: ARDEM Incorporated

Position Overview:

ARDEM is seeking an experienced Frontend Developer to enhance our existing React-based loan amortization desktop application by extending it with full mobile responsiveness and comprehensive testing. This role focuses on adapting and optimizing the current web application for iPad and iPhone devices, ensuring a seamless and consistent user experience across all viewports without developing a separate mobile app.

Key Responsibilities:

  • Extend existing React components using responsive CSS to ensure optimal usability on iPad and iPhone devices.
  • Adapt complex financial data tables and interactive interfaces for touch-friendly mobile interaction while preserving full desktop functionality.
  • Implement progressive enhancement techniques to scale features effectively across varying device sizes.
  • Identify and resolve edge cases in the data transformation pipeline and improve application robustness.
  • Develop comprehensive technical test cases to validate component behavior, data flow, and API integrations.
  • Debug and resolve CSS layout and rendering issues across devices, screen sizes, and orientations.
  • Collaborate with backend and QA teams to ensure high-quality, stable, and performant releases.

Required Skills & Experience:

  • Strong proficiency in React, JavaScript (ES6+), and modern CSS (Flexbox, Grid, media queries).
  • Proven experience extending existing codebases to add responsive functionality (not limited to greenfield development).
  • Experience building and optimizing financial or data-intensive web applications for responsiveness.
  • Solid understanding of progressive enhancement and adaptive design patterns.
  • Expertise in unit testing, integration testing, and writing detailed test documentation.
  • Hands-on experience with Zustand or similar state management libraries.
  • Familiarity with service-layer architectures and data transformation workflows.

Tech Stack:

  • Frontend: React (functional components, hooks), Zustand (state management), TanStack Table (React Table)
  • Backend: / Python APIs
  • Architecture: Desktop-first application to be extended for mobile

Nice to Have:

  • Experience working on financial or loan management applications.
  • Familiarity with Salesforce API integrations.
  • Understanding of web accessibility standards (WCAG).
  • Experience optimizing large datasets or data tables for mobile devices.

Deliverables:

  • Responsive enhancements for existing desktop components.
  • Mobile-optimized layouts that extend, not replace, desktop functionality.
  • Comprehensive test suite with fully documented test cases.
  • Strengthened code architecture and error handling.
  • Detailed technical documentation outlining the mobile optimization strategy.

Additional Requirements

This opportunity enhances your work life balance with allowance for remote work. To be successful your computer hardware and internet must meet these minimum requirements:

  1. Laptop or Desktop:

  2. Operating System: Windows

  3. Screen Size: 14 Inches
  4. Screen Resolution: FHD
  5. Processor: I5 or higher
  6. RAM: Minimum 8GB (Must)
  7. Type: Windows Laptop
  8. Software: AnyDesk
  9. Internet Speed: 100 MBPS or higher

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