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Taras Drab

@tarasdrab

Senior .NET MAUI Developer at Clearion, building offline-first utility field apps with real-time mapping and location tracking.

Ukraine

Message

At Clearion - An ARCOS Company, I developed a cross-platform field service application for electrical utility networks, first with Xamarin.Forms and later .NET MAUI. I implemented Esri-powered maps and real-time field-worker visualization, along with background location tracking across iOS, Android, and Windows.

I built offline-first workflows with SQLite persistence and synchronization with Esri backend services, including conflict handling and recovery. I also optimized memory use and led key parts of the Xamarin.Forms to .NET MAUI migration.

At eBillity, I developed a cross-platform employee time-tracking application and migrated it from Xamarin.Forms to .NET MAUI. My work included location tracking, offline storage and synchronization, and integrations for Stripe payments, OAuth, and PDF invoices; I also used Claude Code and Codex for code generation, refactoring, and debugging.

Experience

Work history, roles, and key accomplishments

Senior Mobile Developer

Clearion - An ARCOS Company

Dec 2021 - Jul 2026 (4 years 7 months)

Developed and maintained a cross-platform field service application for electrical utility networks, migrating from Xamarin.Forms to .NET MAUI. Implemented geospatial features, background tracking, offline-first workflows, and synchronization.

C#Xamarin Forms .NET MAUI ArcGIS SDKs SQLite Offline First Background Location Updates Synchronization Performance Optimization Claude Code Codex

Senior Mobile Developer

eBillity

Aug 2017 - Jul 2026 (8 years 11 months)

Developed and maintained a cross-platform employee time-tracking app for iOS, Android, and Windows, migrating from Xamarin.Forms to .NET MAUI. Integrated background location tracking, native maps, Stripe payments, OAuth, and PDF viewing.

C#Xamarin Forms .NET MAUI Background Location Updates Native Maps SQLite Stripe OAuth PDF Native APIs

Software Engineer

DevMetro

Jun 2017 - Dec 2019 (2 years 6 months)

Developed cross-platform mobile applications with Xamarin.Forms for various clients, handling the full lifecycle from setup to publishing. Also contributed to ASP.NET projects and backend development.

C#SQL .NET Xamarin Forms WPF ASP.NET Angular

Software Engineer

IT-Enterprise

Nov 2015 - Jun 2017 (1 year 7 months)

Worked on development and maintenance of an enterprise ERP system, implementing new features, improving functionality, and optimizing SQL queries. Participated in troubleshooting and bug fixing.

C#SQL .NET