Full Stack Systems Developer, MAUI.NET, C#, Android Native

FusionHit

contract

Posted on: 9/17/2025

Origin: • 🇨🇷 Costa Rica

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Mid-LevelSenior

AndroidJava.NETSQLite

About the role

Develop Windows and Android applications that host and map API/IPC interfaces to biometric workflows using MAUI.NET libraries.
Create, test, and maintain software installers and deployment packages (.MSIX and .APK).
Implement and document WebAPI and IPC mechanisms for accessing biometric workflows externally from browser and non-MAUI apps.
Build sample applications to demonstrate API/IPC usage for both platforms.
Collaborate on diagnostic tools to monitor and visualize real-time server and device activity.
Participate in phased development from core workflows to simpler APIs and eventually browser-based integration support.
Contribute to repository management and ensure all project assets are documented and version-controlled.

BS/MS in Computer Science or a related field with 5+ years of full-stack development experience.
Strong experience with MAUI.NET development for cross-platform applications (Android and Windows).
Advanced proficiency in C# and understanding of Android native development (Java).
Deep knowledge of API design and IPC integration.
Experience interfacing with USB devices and implementing asynchronous device communication (.aar on Android, .dll on Windows).
Familiarity with SQLite and other local database solutions.
Hands-on experience deploying and debugging mobile apps (APK generation, device configuration, logs).
Comfort with configuring, testing, and documenting APIs using tools like Postman.
Excellent written and verbal communication skills in English (C1 preferred, strong B2 may be considered).
Must reside and have work authorization in Latin America.
Must be available to work with significant overlap with Mountain Standard Time (MST).