UI Developer minimum 4 yrs with React.JS 1 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: 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.
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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
• Processor: I5 or higher
• RAM: Minimum 8GB (Must)
• Type: Windows Laptop
• Software: AnyDesk
• Internet Speed: 100 MBPS or higher

Role: Full Stack Developer

Industry Type: BPM / BPO

Department: Engineering - Software & QA

Employment Type: Full Time, Permanent

Role Category: Software Development

Education

UG: B.Tech/B.E. in Computers

Responsibilities:

Develop and maintain user-facing features for web applications

Collaborate with the design team to implement responsive and visually appealing interfaces

Ensure the technical feasibility of UI/UX designs

Optimize applications for maximum speed and scalability

Stay updated on emerging frontend technologies and industry best practices

Troubleshoot and resolve bugs and performance issues

Work closely with backend developers to integrate frontend components with server-side logic

Participate in code reviews and contribute to a collaborative development environment

Skills:

Proficient in HTML, CSS, and JavaScript

Experience with modern JavaScript frameworks (e.g., React, Angular, or Vue)

Strong understanding of responsive design and cross-browser compatibility

Familiarity with version control systems (e.g., Git)

Knowledge of build tools and package managers (e.g., Webpack, npm)

Ability to translate design mockups and wireframes into code

Excellent problem-solving and debugging skills

Strong communication and collaboration skills

Attention to detail and a passion for delivering high-quality user experiences

Qualifications:

Bachelor's degree in Computer Science, Web Development, or a related field (or equivalent work experience)

Proven experience as a Frontend Developer or similar role

Portfolio showcasing previous frontend projects and development work is a plus

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a desired structure is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Job Requirements:

• Strong development and fundamental knowledge of React Native.
• Minimum 1 year of hands on experience in React Native is required for this position
• Leverage native APIs for deeper integrations with iOS/Android platforms.
• Work with engineers, designers, product managers.

Skills Required : React-Native, JavaScript, ES6, REDUX, API, Firebase, Android setup, iOS Setup