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Experience

Products I've helped ship.

From point-of-sale systems and payment integrations to admin dashboards and mobile apps — a timeline of the teams and products I've worked on.

  1. Dec 2024 — Present

    CurrentFull-Time1 yr 11 mos

    Full Stack Developer

    株式会社ALPHA TRADINGTokyo, Japan
    • Built internal inventory and sales tools, streamlining operations and reducing manual effort by 30%.
    • Developed a React admin dashboard for KPI visualization, helping managers make faster decisions.
    • Implemented QR code scanning for employee attendance tracking.
    • Designed and deployed scalable backend infrastructure with Node.js and AWS.
    • Integrated Amazon S3 for secure storage and handling of files and media.
    • React
    • Node.js
    • AWS
    • Amazon S3
    • TypeScript

  2. Sept 2023 — Dec 2024

    Full-Time1 yr 4 mos

    Full Stack Developer

    EOS Systems Sdn Bhd
    • Built POSBoleh, a point-of-sale solution for F&B merchants with an Android app, QR table ordering, and an admin dashboard.
    • Developed the POSBoleh Android app for Sunmi terminals using Flutter and Dart, and published it on the Sunmi Store.
    • Created a React and Node.js QR ordering system for 24/7 self-service, improving order accuracy.
    • Built backend services with AdonisJS, MySQL, and AWS to support more than 10,000 monthly transactions.
    • Integrated the WhatsApp Business API for onboarding, OTP authentication, rewards, and customer engagement.
    • Flutter
    • Dart
    • React
    • Node.js
    • AdonisJS
    • MySQL
    • AWS
    • WhatsApp Business API
    • POS

  3. Oct 2022 — Sept 2023

    Internship1 yr

    Full Stack Developer (Internship)

    Dex Labs Sdn Bhd
    • Developed a MERN role-based access control dashboard, reducing server load by 50% after replacing WordPress.
    • Implemented an AWS reporting microservice that cut report generation time by 60%.
    • Migrated legacy WordPress systems to MERN, modernizing the UI and improving responsiveness.
    • Built a dashboard to track payment terminals across multiple locations.
    • Improved Android payment app stability to increase uptime and user satisfaction.
    • MongoDB
    • Express.js
    • React
    • Node.js
    • AWS
    • Android
    • POS

  4. Aug 2021 — Oct 2021

    Internship3 mos

    Mobile Application Developer (Internship)

    MSP Systems (M) Sdn Bhd
    • Redesigned a CRM app's interface in Flutter to improve user adoption and retention.
    • Refactored legacy code into Flutter's BLoC architecture, reducing crashes and improving maintainability.
    • Integrated performance monitoring to support 99.9% uptime and a smoother user experience.
    • Improved app usability and responsiveness, reducing user complaints by 40%.
    • Flutter
    • Dart
    • BLoC
    • Mobile development
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