Android Developer for App Store Release Delivery

Pinecrest Systems

Freelance · Remote · Flexible hours

About the role

Pinecrest Systems is launching an integration project that ties together billing, CRM, and internal APIs. We need an Android Developer to design and implement the client‑side logic that securely communicates with these services while delivering a smooth user experience.

Key responsibilities

• Build new Android modules to consume RESTful and GraphQL endpoints from billing, CRM, and internal APIs.
• Implement authentication flows and token management across multiple services.
• Optimize network calls and handle offline scenarios with caching strategies.
• Collaborate with backend engineers to define contract specifications and error handling.
• Write unit and UI tests to ensure reliability of integration features.

Must-have skills

• Strong proficiency in Kotlin and Java for Android development.
• Experience integrating third‑party APIs and handling complex data models.
• Familiarity with Retrofit, OkHttp, and modern Android architecture components.
• Understanding of secure token storage and OAuth flows.

Nice to have

• Knowledge of CI/CD pipelines for Android apps.
• Experience with Jetpack Compose.
• Background in billing or CRM system integrations.