Serverless Refund Portal & Cloud Ops
AWS CloudFront, AWS S3, CloudFront Functions
I re-architect legacy systems into
stable, scalable platforms.
Software Engineer in Backend & Data
I build backend services, data pipelines, and internal tools for BPK PENABUR Jakarta
My work spans SNAP BI API compliance, microservice migration, and ETL automation for student and staff data — supporting 30,000+ users and processing 39,000+ total annual transactions.
Case Studies
View all case studies →Building a high-availability refund portal with AWS Edge logic to securely handle overpaid tuition refunds with minimal infrastructure cost.
Enterprise ETL Modernization & IoT
Python, Pandas, PyZK (IoT)
Replacing fragmented PHP scripts with a centralized Python ETL platform for attendance and student data synchronization.
Notes
Read all notes →How teams fall into the microservice trap—and a practical path to escape it with a modular monolith and a measured migration plan.
A guide to recognizing overengineering and strategies to keep your systems lean, maintainable, and focused on real user needs.
A practical guide to understanding technical debt, when to address it, and when to strategically delay repayment.