React Frontend Developer

React Frontend Developer Mobile Responsive UI & Testing

Location:

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:

  Node.js / 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:

• Operating System:

  Windows

• Screen Size:

  14 Inches

• Screen Resolution:

  FHD (19201080)

• Processor:

  I5 or higher

• RAM:

  Minimum 8GB (Must)

• Type:

  Windows Laptop

• Software:

  AnyDesk

• Internet Speed:

  100 MBPS or higher