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  • Taguig City, Philippines
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usherkielvin/README.md

👋 Hi, I'm Usher Kielvin!

👨‍💻 Backend Developer | @ National University

I am a 2nd-year Information Technology student specializing in Mobile and Web Applications. I am passionate about building robust backend architectures, managing database systems, and optimizing DevOps workflows.


🛠️ My Tech Stack

Java Go PHP JavaScript Spring Boot Laravel React Postgres MongoDB MySQL Git Docker


🔭 What I'm Working On

🏛️ Capstone Project: Developing an integrated Inventory and Hiring System for Ashcol Airconditioning Corporation.

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  1. project-arise project-arise Public

    Project Arise is a gamified personal operating system built with React Native + Expo. It combines disciplined self-management (quests, habits, journaling, streaks) with a trading-focused workflow (…

    TypeScript

  2. lottosimulator-backend lottosimulator-backend Public

    Spring Boot backend for a lottery simulation system with betting, results, wallet, and real-time processing.

    Java

  3. lottosimulator-mobile lottosimulator-mobile Public

    Expo + React Native frontend for a lottery simulation system with betting, tickets, results, wallet, and real-time sync.

    TypeScript

  4. ashcol-android ashcol-android Public

    Ashcol Android is a mobile application built for a field service management system, allowing users to create service requests, track tickets, and receive real-time updates through Firebase integration

    Java 1

  5. cephra-queue-system cephra-queue-system Public

    Java + PHP queue management system for EV charging stations, implementing priority queues, bay allocation, and real-time event-driven sync across a dual-interface architecture.

    Java 2 3

  6. arisebank-atm arisebank-atm Public

    An interactive ATM simulation developed in Java Swing for academic demonstration, replicating core banking services like cash operations and utility payments.

    Java