Abbas Sabetghadam · Mobile Application Developer

Professional Summary

Mobile Application Developer with hands-on experience across modern cross-platform stacks and native Android development. Recent work focuses on React Native with Expo, building and testing mobile applications on physical devices and integrating them with existing backend and Web3 ecosystems. Previous mobile work includes native Android (Java) with ASP.NET MVC backend integration, and cross-platform mobile development with Xamarin.Forms targeting both Android and iOS. Backend and API experience in C#/.NET, Node.js and TypeScript supports building complete, integrated mobile applications rather than isolated UI.

Core Competencies

React Native Expo Native Android (Java) Xamarin.Forms Cross-Platform Mobile REST API Integration Backend Integration Device Testing & Debugging C# / .NET Backend TypeScript / JavaScript

Mobile Development Skills

Modern Cross-Platform

React Native
Expo (SDK 57)
TypeScript
JavaScript
Expo Configuration & Build
Device Testing (physical Android)

Native Android

Android
Java
Android Studio
Android SDK
Background Services
Native Device APIs

Cross-Platform .NET

Xamarin.Forms
C#
.NET
Android & iOS Targets
Shared UI & Business Logic

Mobile Integration

REST APIs
Authentication & API Integration
Backend Integration
Debugging on Physical Devices
Error Handling & Data Sync

Backend & Data

C# / .NET Backend
ASP.NET MVC & Web API
Node.js / TypeScript
SQL Server / MongoDB
API Design

Tooling & Workflow

Git & GitHub
Expo CLI
Android Debug Bridge (ADB)
Docker (backend side)
CI/CD basics

Featured Mobile Projects

SeedGenesis Mobile — React Native / Expo

React Native · Expo SDK 57 · TypeScript · Android · SeedGenesis ecosystem integration

Built a mobile client for the SeedGenesis ecosystem using React Native and Expo, with recent development and configuration against Expo SDK 57.
Ran and tested the application on a physical Android device, handling the build, install and debug cycle through Expo tooling and ADB.
Integrated the mobile app with the SeedGenesis backend, covering seed balances and harvesting-related functionality as implemented in the current codebase.
Worked on the harvesting workflow, including QR scanning of seed-related identifiers where the current implementation supports it.
Connected the mobile client to the related desktop/web platform where the ecosystem requires shared data, keeping the mobile and web sides consistent.
Iterated on the mobile experience directly on-device rather than relying only on emulators, to catch real-device behaviour early.

Jandro — Native Android with ASP.NET MVC Backend

Android · Java · Android SDK · ASP.NET MVC · SQL Server

Developed a native Android application in Java using Android Studio and the Android SDK.
Implemented a background service to collect call and SMS data on the device and transmit it to a remote backend.
Integrated the Android client with an ASP.NET MVC web portal and backend, which stored and displayed the collected data for remote monitoring.
Handled the mobile-to-backend contract directly — request format, authentication and error handling — rather than working only on the UI side.

Probin — Cross-Platform Mobile with Xamarin.Forms

Xamarin.Forms · C# · .NET · Android · iOS

Built a cross-platform mobile application with Xamarin.Forms targeting both Android and iOS from a shared C# codebase.
Used a shared UI and business-logic layer across platforms, with platform-specific handling only where required.
Focused on the mobile client, including screens, navigation and integration with the supporting backend.

Supporting Backend & Integration Experience

Full-Stack / Backend Developer Selected Projects

Kabby · Ecomsys · Coinatik

Developed backend services and management portals using ASP.NET MVC and ASP.NET Core that mobile and web clients integrate with.

Built REST endpoints, authentication and data-sync logic used by client applications, including the Jandro backend, the Ecomsys platform and Coinatik's exchange workflows.

Worked with SQL Server, PostgreSQL and stored procedures as the data layer behind the APIs consumed by mobile and web clients.

ASP.NET CoreASP.NET MVCC#REST APIsSQL ServerPostgreSQL

Mobile-Relevant Web & App Experience 2024 – 2026

Arbify.site · AIConnective · SaaS Accounting Platform

Built client-facing applications in React, Next.js and Node.js where mobile and web clients share the same backend APIs.

Worked on API design, authentication and real-time data transport (WebSocket) — the same integration concerns that mobile clients depend on.

ReactNext.jsNode.jsTypeScriptREST APIsWebSocket

Engineering Approach

I treat a mobile app as a client of a larger system, not as an isolated UI. That means understanding the API contract, authentication, state management and error handling on the device, and how those depend on backend behaviour. I build and debug on physical devices rather than only on emulators, because real-device testing catches issues that an emulator will not. Across React Native, native Android and Xamarin.Forms work, my focus has been on shipping a mobile client that behaves correctly against its backend, not just on getting the screens to render.

Most source code is private due to client confidentiality. Built by Abbas Sabetghadam · Published under Sabetsoft