Hi!, I am

John Vhern

Software Engineer / System Implementation

Passionate about building clean, scalable applications and intuitive digital experiences. I specialize in turning ideas into functional, user-friendly solutions with a focus on modern development practices.

Skills & Expertise

A comprehensive toolkit honed through years of building scalable applications and delivering exceptional user experiences.

Frontend Development

  • HTML
  • CSS
  • Tailwind CSS
  • Bootstrap
  • WinForms

Backend Development

  • Java
  • C#
  • MSSQL
  • JavaScript
  • SQLite

Design & UX

  • Adobe XD
  • Canva
  • Prototyping
  • Branding
  • Minimalism

Mobile & Tools

  • Git
  • GitHub
  • Android
  • Auth
  • OkHttp

Featured Projects

A showcase of impactful solutions I've built, from concept to deployment, solving real-world challenges.

Featured

RosalES Profiling System

The RosalES Profiling System helps educators monitor student development using standardized assessments, automating grouping and identifying delays.

  • WinForms
  • C#
  • .NET Framework
  • MSSQL
  • IText7
  • BCrypt
Featured

GCT QR Attendance System

The GCT QR Attendance System is an offline desktop tool for tracking attendance with QR codes and barcode scanners, featuring session management, ID generation, reporting, and secure MSSQL + bcrypt authentication.

  • WinForms
  • C#
  • .NET Framework
  • MSSQL
  • IText7
  • BCrypt
  • QRCoder

LED Strip Remote App

An Android app that turns your phone into a remote control for SMD 5050 LED light strips using the built-in IR blaster.

  • Java
  • Android SDK
  • Consumer IR API

Work Experience

A journey through innovative companies where I've contributed to meaningful projects and grown as a developer.

Freelance Fullstack Software Developer

Feb - Present 2025

Project Based

Aklan

Developed and deployed two school-focused desktop applications—a Learner Profiling & Assessment System and a Student Attendance System—using C#, WinForms, and MSSQL. These systems streamlined academic processes by enabling performance reporting, real-time attendance tracking, and data export features. Both solutions were designed with educators and administrators in mind, ensuring alignment with DepEd standards and improving the efficiency of school record management.

Key Achievements:

  • Built end-to-end full-stack desktop applications that digitized student performance profiling and attendance tracking.
  • Implemented barcode-based check-in, reporting, and export features (CSV, print-ready reports) that reduced manual work for teachers and admins.
  • Delivered solutions aligned with DepEd reporting standards, ensuring compliance and usability in school operations.
  • Enhanced usability for educators by adding admin modules for student profiles, class sections, and assessment/attendance logs.
  • Maintained clean and collaborative development workflows through Git/GitHub version control.

Technologies:

  • C#
  • .NET Framework
  • WinForms
  • MSSQL
  • BCrypt
  • IText7
  • QRCoder

IT Support Intern

Jan - April 2025

Asia Pacific Medical Center - Aklan

Judge Martelino, Kalibo

Served as an IT Support Intern at Asia Pacific Medical Center – Aklan, providing technical assistance for network and desktop systems across hospital departments. Gained hands-on experience in network configuration, hardware maintenance, and troubleshooting, contributing to the reliability of hospital IT operations.

Key Achievements:

  • Diagnosed and resolved network and endpoint issues, ensuring smooth daily operations for medical staff.
  • Configured routers, cabling, and workstations, strengthening the hospital’s IT infrastructure.
  • Awarded Top Performing Intern and Top Network Team Intern for outstanding contributions.

Technologies:

  • Ruijie
  • PACS
  • Cisco Meraki
  • RIS

Let's Connect

Ready to bring your next project to life? Let's discuss how we can work together to create something amazing.

Send me a message