Contact person: Android App Feature Integration

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Location: Mohali, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"My Android project is ready for the next phase and I want an experienced developer to wire in three core services:

• User authentication – secure sign-in/sign-up (email, Google, or another trusted provider)
• In-app purchases – Google Play Billing v5 with test and production variants fully working
• Push notifications – reliable FCM delivery with deep-link routing inside the app

The codebase is clean Kotlin with basic screens in place; feel free to refactor where it improves stability or performance. I will hand over the current Git repository along with design assets and expect you to commit incremental changes so I can review progress.

Acceptance is straightforward: the APK installs on Android 8-14, each feature above passes a functional test script I’ll supply, and the build is Play-Store-ready with no lint or release blockers.

If you have recent experience shipping these exact capabilities and can outline your planned approach (libraries, architecture patterns, test strategy), let’s get started." (client-provided description)