UI/UX Developer(PWA - Mobile Web)

  • Contract

Company Description

For More Open Positions Visit us at:
http://recruiting.woongjininc.com/


Our Mission

WOONGJIN, Inc. is a rapidly growing team who provides a range of unique, exceptional, and enhanced services to our clients. We have a strong moral code that includes the service of goodness without expectations of reward. We are motivated by the sense of responsibility and servant leadership.

Job Description

We are looking for a skilled UI/UX Developer to design and develop a Progressive Web App (PWA) based Mobile Web for a Warehouse Automation System. This project involves creating a mobile-friendly interface for warehouse users who utilize Object Detection AI Models to perform Damage Detection Automation. The web application will run on mobile devices and enable real-time AI-driven inspection of warehouse inventory.

The ideal candidate should have experience in PWA development, UI/UX design for mobile-first applications, and optimizing performance for real-time image processing. You will work closely with AI engineers, backend developers, and warehouse operation teams to build a seamless and intuitive mobile web experience.

Key Responsibilities:

  • UI/UX Design & Development
    • Design responsive and intuitive UI for mobile warehouse users using React.js (or Vue.js/Angular)
    • Ensure smooth image rendering, annotation tools, and real-time damage detection visualization
    • Implement user-friendly interfaces for capturing images, annotating detected damage, and interacting with AI results
  • Progressive Web App (PWA) Development
    • Develop a mobile-first PWA with offline capabilities using Service Workers & Cache API
    • Optimize performance for real-time AI model integration and warehouse operations
    • Implement push notifications, local storage, and background sync to enhance usability
  • Image Processing & UI Enhancements
    • Implement Canvas API / WebGL for displaying bounding boxes (Rounding Box) on detected damage areas
    • Develop zoom-in & pan functionalities for users to inspect specific image regions
    • Work with AI engineers to integrate Object Detection model outputs into the UI
  • Cross-Browser & Mobile Compatibility
    • Ensure smooth UI performance across various mobile browsers (Chrome, Safari, Edge, Firefox)
    • Optimize UI for touch interactions, gestures, and warehouse mobile devices (scanners, tablets, rugged devices)
  • Collaboration & Testing
    • Work closely with backend engineers, AI developers, and warehouse operation teams
    • Conduct user testing with warehouse inspectors to refine usability and workflow efficiency
    • Debug and resolve UI performance issues in a warehouse network environmt

 

Salary: 

Middle level (5-8 years): $82,000 - 83,000/yr.

Senior level (9+ years): $95,000 - 96,000/yr.

Contract Period: 3 months

Qualifications

  • UI/UX Development
    • 3+ years of experience in mobile-friendly web UI/UX development
    • Strong skills in HTML5, CSS3, JavaScript (ES6+), TypeScript
    • Experience with React.js, Vue.js, or Angular (React.js preferred)
    • Knowledge of responsive design principles (Material UI, Tailwind CSS, Bootstrap, etc.)
  • PWA & Web Performance Optimization
    • Experience developing Progressive Web Apps (PWA) using Service Workers & Cache API
    • Strong understanding of Web Performance Optimization (Lighthouse, Lazy Loading, CDN, etc.)
    • Experience in offline-first development using IndexedDB or LocalStorage
  • Image Processing & AI Integration
    • Experience with Canvas API, WebGL, or SVG-based UI enhancements
    • Implementing bounding boxes, overlays, and real-time image manipulation
    • Understanding of RESTful APIs & WebSockets for AI model integration
  • Warehouse & Industrial UI Considerations (Preferred)
    • Experience designing UI/UX for industrial, warehouse, or logistics environments
    • Knowledge of touch-based UI/UX design for rugged mobile devices & barcode scanners
  • Other Skills
    • Familiarity with Git, CI/CD pipelines for frontend development
    • Strong problem-solving skills and ability to debug browser & mobile-specific issues
    • Good communication skills and ability to work in a cross-functional team

Preferred Qualifications:

  • Experience with AI-based applications or object detection UI
  • Understanding of Mobile Web Accessibility (WCAG, ARIA standards)
  • Prior work in warehouse automation, logistics, or industrial software

Why Join Us?

  • Cutting-Edge AI Integration – Work with real-time Object Detection models in an operational warehouse environment
  • PWA Development for Industrial Use – Build a scalable, high-performance mobile web app for warehouse automation
  • Impactful Work – Directly contribute to efficiency improvements in logistics and quality control
  • Collaborative & Innovative Team – Work with AI engineers, warehouse teams, and backend developers

Additional Information

All your information will be kept confidential according to EEO guidelines.

 *** NO C2C ***

I'm interested