Position - Mobile Integration Engineer. Experience - 4 to 7 Years. Work Mode - Remote. Work Time - US-East Coast time zone. Primary Key Skills - Android SDK, Reactive Native, RxJava, Payment SDK, APIs. Roles and Responsibilities: - SDK Integration & Development - Study and integrate our digital payments mobile SDK into the Mobile application. - Expose, maintain, and manage the source code of the Mobile application. - Compile, configure, and test our mobile SDK in internal test environments. Desired Candidate Profile - Between 4 to 7 Years experience in Android app development, React Native. - Strong knowledge of the Android SDK, Android Jetpack components, and integration with Bluetooth devices and payment SDKs/APIs. - Experience with REST, SOAP, and JSON for remote data handling. - Familiarity with third-party libraries, APIs, and Google Play Store deployment. - Understanding of RxJava, memory management, and mobile UX/UI best practices. - Solid grasp of the full mobile development lifecycle and modern mobile architecture. Soft Skills & Other Requirements - Strong analytical, logical, and communication skills. - Willingness to learn continuously with the support of documentation and teammates. - Ability to travel as needed for customer or team requirements. - Motivated, enthusiastic, and capable of taking ownership of tasks and projects.