Engineering Scalable Software & Modern Experiences.
A showcase of mobile applications, full-stack web platforms, and system architectures built with clean code and modern development methodologies.
Open Healthcare Management System (OHMS)
Built for SME medical clinics as an Applied IT team project (CSG3303), OHMS streamlines patient medical records, scheduling, and prescriptions through an enterprise-grade Laravel web architecture. To solve clinic-wide multi-provider concurrency, I implemented real-time synchronization utilizing AWS Lambda paired with DynamoDB Streams, containerized services with Docker, and configured automated CI/CD deployment via AWS CodePipeline and Elastic Beanstalk under strict HIPAA and GDPR data encryption standards. This deepened my expertise in distributed cloud architectures, serverless event streaming, and compliance-driven healthcare engineering.
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QR Walkie-Talkie (audioqr)
Born out of curiosity about extreme offline data transmission, this Flutter personal project enables real-time push-to-talk voice communication between smartphones using animated QR codes as the sole transport medium, completely eliminating internet, Bluetooth, or local networks. I engineered a custom binary packet protocol featuring CRC-32 integrity checksums, a hierarchical Master QR frame-batching protocol for self-healing packet reassembly, an AES-GCM encrypted pairing handshake, and a low-bitrate (16kbps) AAC-LC speech pipeline. Building this gave me deep mastery in binary network protocols, low-latency audio compression, and real-time computer vision pipelines.
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Social Platform
Conceived as an interactive social media platform built with Laravel, Inertia.js, and Vue 3, this system solves the challenge of safe online communities by deploying machine learning directly into user interactions. I architected a dual-layer moderation pipeline combining an on-device TensorFlow.js model that screens imagery and detects minors locally to protect privacy before upload, backed by server-side verification and a low-latency WebSockets architecture for instant messaging, live presence, and dynamic feed updates. This project honed my capability in integrating client-side machine learning with event-driven full-stack ecosystems at scale.
