A selection of architectural challenges focusing on business problems, trade-offs, and quantifiable impact.
Building a high-availability refund portal with AWS Edge logic to securely handle overpaid tuition refunds with minimal infrastructure cost.
Replacing fragmented PHP scripts with a centralized Python ETL platform for attendance and student data synchronization.
Creating a cross-language authentication and authorization blueprint that standardized security behaviour across Python, PHP, TypeScript, and React services.
Re-architecting a 39,000+ total annual transactions payment infrastructure to comply with Bank Indonesia SNAP regulations, achieving zero-downtime migration.
Internal dashboards, legacy systems, and rapid prototypes I have engineered.
| Project | Role | Stack |
|---|---|---|
| Alumni Community Portal Active | Technical Lead | Next.js, Flutter, FastAPI, Firebase, Redis |
| Student ETL Data Pipeline | Data Engineer | Python, Pandas, SQL, Automation Scripts |
| Biometric Attendance Pipeline | Data Engineer | Python, PyZK, Hardware Integration |
| VA SNAP API | Backend Developer | PHP, MySQL |
| Employee Portal Microservice | FullStack + Auth Architecture | React, FastAPI, PostgreSQL |
| Student Re-Registration System | Backend Maintenance | PHP (Legacy), Python Workers |
| Internal Calendar App | FullStack Developer | Vue 3, FastAPI, CodeIgniter 4 |
| School Subsidy Reporting | FullStack Developer | PHP, jQuery, MySQL, Excel Generation |
| Parent Refund System | FullStack Developer | React, PHP, MySQL |
| Event Landing Pages (PICF 2024/BEBRAS/Pesta) | Frontend Developer | Astro, Vue 3, GSAP |
| New Student Admissions (PSB) Landing Page | Frontend Developer | Vue 3, AWS CloudFront, S3 |
| Parent Communication Log | FullStack Developer | PHP, jQuery, MySQL |
| Employee Portal (Legacy) | Support & Maintenance | Joomla, PHP, MySQL |
| Finance System (Legacy) | Support & Maintenance | ASP.NET, MSSQL Server |