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

We are looking for a Full Stack Systems Developer to join our high-impact project developing biometric authentication infrastructure for IB360 Client. In this role, you’ll work with cross-platform technologies to bridge hardware and software—integrating biometric workflows, USB sensors, and APIs within Android and Windows environments using .NET MAUI. The ideal candidate will bring deep experience in low-level device handling, cross-platform deployment, and API bridging.

The IB360Client project simplifies complex biometric enrollment, identification, and verification processes, encapsulating them into API workflows for fast and secure deployment. You will help expand these capabilities across web, desktop, and mobile platforms, while future-proofing the system for browser-based integrations.

Location: Must reside and have work authorization in Latin America.
Availability: Must be available to work with significant overlap with Mountain Standard Time (MST).

The Ideal Candidate Has:

• 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).

Key Responsibilities:

• 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.

Perks of working at FusionHit:

• Certified as a Great Place to Work, offering a supportive and inclusive work culture.
• Work from home position
• Private Medical Insurance
• Corporate Access to FusionHit Udemy Account
• Personal and Professional Development Courses & Certifications
• Flexible Schedule
• 3 Sick Days per year
• Birthday Off
• Extra Days for Special Occasions
• Team Building Meal Reimbursement
• Equipment Granted
• Monthly Recognitions
• High Impact Committees

Are you curious already?

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FusionHit Culture Video: www.youtube.com/watch?v=3u66tkPjdps