I turn ideas, operational needs, and repetitive work into useful digital products. My work sits at the intersection of mobile development, modern web experiences, and practical automation.
An offline Python library, CLI, and Windows desktop app that converts legacy or HTML-disguised .xls files into safe, modern .xlsx workbooks while preserving useful formatting.
Python Tkinter CLI Desktop automation · Extracted from workflows used by DCApps
Reusable Node.js packages for validating workbooks, inspecting bounded Google Drive downloads, and performing verified uploads with dry runs and manifests.
Node.js Google Drive API Spreadsheet validation Security boundaries · Live product
Matching Dart and JavaScript implementations of a configurable 10-year cardiovascular-risk lookup, verified against shared golden cases for consistent mobile and web results.
Dart JavaScript Shared fixtures Medical safety · Web app · Google Play
Validated content models and deterministic, privacy-safe lifestyle guidance rules implemented for both Dart and JavaScript runtimes.
Dart JavaScript Cross-platform models Privacy-safe rules · Web app
More utilities
- CSV to Excel Converter — batch CSV conversion with drag-and-drop and automatic workbook formatting.
Understand the real problem → design the smallest useful solution
→ build for maintainability → verify the critical paths → improve from feedback
I care about correct data, clear UX, efficient systems, and code that remains understandable after the first release.
- Extracting reusable, testable components from production mobile and web products
- Publishing automation tools with explicit security and data-provenance boundaries
- Building shared Dart and JavaScript foundations for consistent cross-platform behavior
