Android Developer – Accessibility + NFC

I'm, building an Android productivity utility that requires system-level app monitoring and conditional enforcement.

What you'll build

• Foreground app monitoring logic
• Conditional enforcement layer (interrupt / redirect / overlay)
• NFCtriggered state changes
• Permission onboarding flows
• Reliable background execution across Android versions

Looking for a senior Android (Kotlin) developer with experience in:

• AccessibilityService (foreground app detection + enforcement)
• Overlay / drawover permissions
• Foreground services + background reliability
• NFC (NDEF reading + intent handling)
• UsageStatsManager
• Handling OEM battery restrictions (Samsung/Xiaomi/etc.)
• Google Play policy compliance for Accessibility apps

Must have

• Shipped at least one app using AccessibilityService
• Experience with apps that control or restrict other apps
• Strong understanding of Android execution limits and bypass scenarios

Contract duration of less than 1 month. with 40 hours per week.

Mandatory skills

Flutter, Dart, Mobile App Development, Firebase, API Integration, iOS, Android, React Native, iOS Development, FlutterFlow, App Design, , Hybrid App Development, Mobile App