In-depth write-ups of the engineering behind shipped products — the problem, the solution, the architecture, the performance work, and the results. 2 case studies and counting.
Scaling story-based English learning to 5M+ learners
How I helped take iStoria from founding to 5M+ learners — an offline-first Flutter architecture across a 50+ module codebase, growth features from streaks and a social leaderboard to the iStro AI companion, and a release cycle cut from four weeks to one across 800+ merged PRs.
An open-source cached PDF viewer for Flutter, adopted across thousands of apps
An open-source Flutter package for native, cached PDF viewing on iOS and Android — wrapping the platform renderers with on-device caching so documents open instantly and work offline. 130+ stars, 500+ pub.dev likes, 43K+ downloads.