D. Delivery
Three-app Kotlin Multiplatform delivery platform with dual video proof of delivery, expanding-radius dispatch, live tracking, and server-enforced cash-on-delivery reconciliation.
Case studies
Every project here started as a workflow that was breaking — dispatch by phone call, proof by memory, pricing by guesswork, reconciliation by spreadsheet. Each case study covers the problem, the approach, the engineering decisions that were harder than they look, and where the build actually stands.
Three-app Kotlin Multiplatform delivery platform with dual video proof of delivery, expanding-radius dispatch, live tracking, and server-enforced cash-on-delivery reconciliation.
Three-role snow removal management platform with live dispatch mapping, GPS fleet tracking, map-based area measurement, photo verification, and Stripe escrow payments.
Mobile-first outreach platform with Google OAuth, Drive lead import, personalised campaign composition, automated follow-ups, and real-time open tracking.
Also in the portfolio
Earlier products, each with a written case study and a recorded walkthrough.

A Kotlin Multiplatform maintenance workflow bringing contractor assignment, proof of work, progress visibility, and manager approval into one mobile system.

Role-based communication with real-time announcements, Firebase architecture, and offline-friendly usage across students, faculty, and admin.
Multi-role institutional attendance with offline capture, background sync, head-of-department analytics, and an append-only audit log.
Event coordination with real registration, per-event chat, season leaderboards, and coach performance tracking.
Start the conversation
Tell us what you want to build, what workflow is breaking, or what existing app needs a premium upgrade.