Engineering Notes & Software Insights
Deep dives into system design, product architecture, workflow systems, and practical lessons from building custom software for businesses, startups, and public-sector teams.
Building SIREKA 2.0: How Period-Based Scheduling Transformed Government Financial Reporting
A deep dive into upgrading SIREKA from a generic document upload system into a configurable, period-aware reporting platform with scheduling engine, document matrix, and monitoring workspace. I break down the architecture choices, tradeoffs, and operating constraints behind software that survives real production pressure.
Research notes from the build floor.
High-density thinking on architecture, product strategy, security, and performance from the team shipping these systems.
Kijang Mas Tala: How Three Institutions Came Together to Solve a Decades-Old Land Problem
The story of how Pemkab Tanah Laut, BPN, and PN Pelaihari collaborated to fix land certificates stuck under original transmigrant names — and how the ISDN digital platform made it scalable.
Building Banksam Trashure: Turning Waste Into a Digital Economy
How a digital waste bank app connects communities with organic and inorganic waste collectors through Pick-Up and Drop-Off services — and why the reward model is the key to changing behavior.
What I Learned Building Software for Indonesian Local Government
Lessons from building SIREKA, Kijang Mas Tala, SIMPKB, and other government systems — about status design, permissions, workflow modeling, and the gap between how software should work and how government actually works.
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