Full Stack Mobile Developer (Flutter, C# / .NET)
Tech Tactix Advisory GroupRio de Janeiro, BRHá 4 dias
Descrição da vagaAdvanced English communication skills (C1 level), both written and spoken. 7+ years of professional software development experience, with strong expertise in mobile development. Proven experience with Flutter / Dart for cross-platform mobile applications. Working knowledge of C# and .NET , with the ability to contribute to backend services. Deep understanding of Bluetooth Low Energy (BLE) implementation. Experience with mobile battery optimization techniques for background processes. Successful track record of publishing and maintaining apps in the App Store and Google Play. Experience integrating with Microsoft Azure services . Familiarity with Firebase (Authentication, Crashlytics, Analytics), Sentry , and PostHog . Familiarity with in-app payment systems (such as Authorize.net, Stripe) Strong problem-solving abilities and attention to detail. Prior experience in health or medical app development is a plus.
Company Description
US based health technology company to be disclosed during the interview process.
Role Description
We are seeking a Full Stack Mobile Developer to join our team and take ownership of our health monitoring mobile application. This application integrates with a Bluetooth-enabled ring pulse oximeter to collect health data throughout the night.
The ideal candidate will be a hands-on developer with expertise in both mobile development (Flutter / Dart) and backend technologies (C# / .NET), capable of ensuring seamless device integration, reliable overnight data collection, and robust backend connectivity with Azure services.
Responsibilities
- Lead the development and maintenance of cross-platform mobile flagship application using Flutter / Dart for iOS and Android.
- Optimize Bluetooth connectivity with the ring pulse oximeter device.
- Address mobile battery optimization challenges to guarantee reliable overnight data collection.
- Introduce in app features to provide payments, notifications, and support (chat)
- Manage the release process for both the Apple App Store and Google Play Store.
- Collaborate with backend developers on Azure-hosted .NET services, contributing to backend development when required.
- Ensure compliance with health data security and privacy standards.
- Work independently while providing technical leadership within the team.
Qualifications
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Mobile Developer • Rio de Janeiro, BR
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