Loading Portfolio...

Hello, I'm Justin Phong

Full Stack Software Engineer, building robust solutions from front-end interfaces to back-end logic. Open to exploring new and exciting projects.

github [#142] Created with Sketch.

//EXPERIENCE

Where I've made impact

Software Engineer (Semiconductor)

Greatech

May 2025 - Mar 2026 • 10 Months

  • Spearheaded end-to-end software development for the WDB Thermo Scientific machine, covering system design, implementation, and site acceptance testing
  • Provided technical support for global clients, including Intel and Samsung, ensuring reliable system performance in production environments
  • Designed and implemented multi-threaded automation sequences using C# and MVVM, integrating MSSQL for data logging and traceability
  • Developed an automated recovery system to handle runtime exceptions and reduce machine downtime and operator intervention
  • Led debugging and root cause analysis (RCA) during internal testing to improve software stability and performance
  • Mentored and guided new hires in understanding project architecture and development workflow
WDB Machine
C# WPF MVVM XAML Beckhoff PLC TwinCAT SSMS

IT Application Developer

Singapore Aerospace Manufacturing (SAM)

Oct 2024 - Apr 2025 • 6 Months

  • Led digital transformation initiatives by developing and standardising internal web-based approval and workflow systems across SAM regional offices in Singapore, Thailand, and Malaysia
  • Collaborated with the Human Resources department to digitise legacy paper-based processes, developing custom web applications that streamlined approvals and eliminated manual documentation
  • Designed and implemented role-based access management features for the company’s internal portal, improving system security and operational control
  • Developed and maintained full-stack enterprise web applications using ASP.NET Core MVC, C#, JavaScript, HTML5, CSS3, Bootstrap, and MSSQL to support internal business operations
  • Engineered a C# .NET Zebra Label Generator integrated with Oracle database retrieval and wireless printing, significantly reducing raw material misplacement and decreasing material waste by 80% at the Thailand manufacturing facility
ASP.NET Core MVC C# .NET JavaScript HTML5 CSS3 Bootstrap MSSQL Oracle DB Zebra Printer

//PROJECTS

Things I've Built

Discovered Security Issue on University Portal

Portfolio still updating, please visit Github for more projects.