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Posted Apr 26, 2026

Android Developer (Volunteer - Unpaid)

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This is a remote position. This is not a paid opportunity (Volunteer Opportunity: 30 hrs / week) Job Title: Android Developer Location: Remote Employment Type: Temporary Volunteer Work Authorization: All except H1B transfers About the Role:   We are seeking a skilled and passionate Android Developer to join our innovative R&D and product development team at SAN R&D Business Solutions. In this role, you’ll design, develop, and maintain high-performance Android applications that deliver exceptional user experiences and align with our mission of building smarter, more sustainable technology solutions. This temporary volunteer role allows you to enhance your mobile development skills while working alongside industry professionals.   Key Responsibilities: - Design, develop, and maintain Android applications that interact with IoT devices and sensors - Implement data gathering from Bluetooth, Wi-Fi, and/or embedded hardware-based sensors - Work with APIs, MQTT/BLE/HTTP protocols to retrieve, stream, or sync real-time data - Store and process collected data efficiently (locally or via cloud) - Collaborate with firmware, backend, and hardware teams to optimize performance - Write clean, maintainable code with proper documentation and testing - Ensure cross-device compatibility and responsive performance - Troubleshoot and debug device communication and data sync issues  Qualifications: - 3+ years of Android development experience (Java and/or Kotlin) - Hands-on experience integrating IoT devices or sensor-based data streams - Familiarity with Bluetooth (BLE), NFC, Wi-Fi Direct, or other connectivity standards - Experience with background services, WorkManager, and data caching techniques - Proficient in RESTful APIs, WebSockets, or MQTT for real-time communication - Working knowledge of SQLite/Room DB or cloud sync (e.g., Firebase, AWS IoT) - Strong debugging, version control (Git), and problem-solving skills What's in for you: - Opportunity to work alongside senior leaders in a cross-functional, fast-paced setting. - Potential transition into a paid role or equity opportunity based on performance and company growth. - Certificate of recognition and professional references. - Freedom to experiment and contribute ideas to shape the company’s future.
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