Embedded Android Developer (AOSP / GMS-Free Systems)

Contract / Freelance (with potential for long-term collaboration)

Job Description:

We are looking for a skilled Embedded Android Developer to help us create a custom Android OS for our POS terminals without Google Mobile Services (GMS). The goal is to provide a reliable alternative Android experience, including a custom app store and essential APIs, while maintaining performance, security, and branding control.

You’ll work closely with our product and hardware teams to deliver a firmware solution that meets both technical and business requirements.

Responsibilities:

Build and customize Android AOSP firmware (Android 12–14) for POS devices
Remove all GMS components and replace with functional alternatives
Integrate third-party solutions such as:
Aurora Store, Aptoide, or custom app store
Mapbox or OpenStreetMap for mapping
OneSignal or private solutions for push notifications
Mozilla Location Service or HERE for geolocation
Customize device branding (boot screen, model ID, system info)
Ensure compatibility with core apps and POS use cases
Provide OTA update capabilities (optional)
Collaborate with hardware vendors and internal QA

Requirements:

Proven experience with Android AOSP builds and customization
Strong knowledge of embedded systems and Android frameworks
Experience working with non-GMS Android environments
Familiarity with APK sideloading and third-party app store integration
Understanding of privacy, security, and compliance requirements
Ability to work independently and deliver high-quality code

Nice to Have:

Experience with POS devices or Android kiosks
Knowledge of Linux build systems and OTA delivery
Previous work with MicroG, Mapbox, or similar SDKs

Location:

Remote-friendly
Preference for availability in EST or compatible time zones

How to Apply:

Please include:

A short introduction describing your relevant experience
Links to your GitHub, portfolio, or past projects (if available)
Your hourly or project-based rate

We’re building smart, user-friendly POS solutions and need a developer who’s passionate about Android innovation outside the Google ecosystem. If that sounds like you, we’d love to hear from you!

Job Types: Contract, Temporary

Pay: $27.10 - $32.63 per hour

Compensation Package:

1099 contract
Hourly pay
Performance bonus

Schedule:

Choose your own hours

Work Location: Hybrid remote in Miami, FL 33172

3nStar, Inc.

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