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Houy Sengleang

Experience

Where I've worked and what I was responsible for.

  1. 2026 – now

    Peng Huoth Group logo

    Full Stack Developer

    Peng Huoth Group · Phnom Penh, Cambodia

    • Build web admin systems and REST APIs in Laravel for the group's business operations, from database design to deployment.
    • Built the NestJS backend API for the Peng Huoth mobile app.
    • Extend the Angular web admin with new features for managing the mobile app.
    • Set up and configure the staging and production servers our applications run on.
    • Troubleshoot production issues and make practical performance and reliability fixes.
    LaravelNest.jsAngularPHPTypescriptMySQLRESTful APIsLinux
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  2. 2023 – 2025

    Wintech Software Development logo

    Backend Developer (R&D Officer)

    Wintech Software Development · Phnom Penh, Cambodia

    • Pawn System: Architected and developed a robust Loan and Pawn Management System using Laravel as the core framework.
    • API Architecture: Designed and implemented secure, scalable RESTful APIs to handle complex financial transactions, pawn collateral tracking, and interest calculation schedules.
    • API Documentation: Documented the entire RESTful API enabling smoother collaboration with the frontend team and reducing integration bugs.
    • Feature Development: Built critical modules for loan origination, repayment tracking, and automated penalty calculations with centralized validation and transactional writes.
    • Background Processing: Leveraged Redis-backed queues for heavy lifting tasks like batch interest calculations and mass notification sending, preventing system lag during peak hours.
    • System Optimization: Optimized database queries and backend logic to support high-volume transactions across multiple branches.
    LaravelPHPMySQLRESTful APIsDocker
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