Ratchanon Noknoy

Healthcare Software Engineer

Working with nurses and staff to deliver production-ready Next.js apps in 30 days and optimizing legacy SQL databases by 96%.

Experience

  • Mar 2025 – Sep 2025

    • Optimized legacy SQL database structure for 400K+ records, cutting retrieval time by 96% (24h → <1h).
    • Built a production-ready Next.js app in 30 days independently, now used actively by the municipality.
    • Processed 10K+ patient records, quickly mastering data handling and cutting manual workload by 80%.
    • Worked closely with nurses and frontline staff to rapidly implement solutions for real-world OPD workflows.
    • SQL
    • Next.js
    • ETL Pipelines
    • RESTful APIs
  • May 2024 – Sep 2024

    • Fixed legacy PHP systems and race conditions, restoring full production stability independently.
    • Developed a web frontend for ITA 2024, improving internal workflow efficiency and usability.
    • Deployed and configured MySQL, enabling real-time scheduling on legacy infrastructure.
    • PHP
    • MySQL
    • Frontend Development
    • Version Control

Projects

  • 2025

    Sole engineer optimizing a legacy database supporting 400K+ records. Mastered undocumented schemas to design complex JOINs, slashing retrieval time by 96% (24h → <1h).
    Screenshot of Legacy SQL Optimization
    • SQL
    • ETL Pipelines
    • Data Modeling
  • 2025

    Independently built and deployed a production-ready Next.js app in 30 days for Kamphaeng Phet Municipality. Automated workflows to reduce manual workload by 80%.
    Screenshot of Municipal Telemedicine App
    • Next.js
    • Tailwind CSS
    • RESTful APIs
  • 2024

    Resolved critical production race conditions in a legacy PHP monolith, restoring 100% system stability for daily hospital operations and regulatory audits.
    Screenshot of Legacy PHP Modernization
    • PHP
    • System Modernization
    • Debugging
  • 2024

    Developed a modern web frontend and configured MySQL infrastructure to enable real-time scheduling and usability improvements for hospital staff.
    Screenshot of ITA 2024 Portal
    • MySQL
    • Frontend Development
    • Deployment