Full Stack Mobile Developer

Tech Tactix Advisory Group; Blumenau; Presencial; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A healthcare technology advisory firm in Brazil seeks an experienced Full-Stack Mobile Developer to lead the development of a critical mobile app. This role involves both mobile and backend responsibilities, requiring expertise in Flutter/Dart and C#/.NET technologies. The successful candidate will work independently while collaborating with a skilled team, contributing to innovations that impact patient outcomes and ensuring robust integration and data handling. Competitive salary and professional growth opportunities offered.

Serviços

Competitive salary based on experience

Professional growth and development opportunities

Collaborative team culture

Qualificações

• 7+ years of experience in software development with a focus on mobile.
• Successful publication and maintenance of apps in the App Store and Google Play.
• Prior experience in health or medical app development is a plus.

Responsabilidades

• Lead mobile development for cross-platform applications using Flutter/Dart.
• Implement Bluetooth connectivity with the pulse oximeter.
• Optimize Android battery performance for overnight data collection.
• Manage app releases on the Apple App Store and Google Play Store.
• Collaborate with backend developers on Azure services.

Conhecimentos

Flutter / Dart

Bluetooth Low Energy (BLE)

C#

Azure

English proficiency (C1)

Ferramentas

GitHub

Firebase

Sentry

PostHog

App Store Connect

Google Play Console

Descrição da oferta de emprego

About the Role I am supporting a US healthcare client in hiring a Full-Stack Mobile Developer to take end-to-end ownership of their flagship mobile application. In this role, you will serve as the sole mobile developer , responsible for evolving an app that pairs with a Bluetooth-enabled pulse oximeter ring to capture overnight sleep data and securely upload it to the cloud.

You won’t be working in isolation—while you’ll lead all mobile-focused design and development, you’ll collaborate closely with a team of experienced C# / .NET backend engineers. You’ll also contribute to backend features related to sleep-study processing and data workflows, helping shape the overall product experience from device integration through clinical-grade data analysis.

This is an opportunity to own a critical mobile product in a modern health-tech environment, working with senior engineers to deliver technology that directly impacts patient outcomes. The ideal candidate will haveexpertisein both mobile development (Flutter / Dart) and backend technologies (C# / .NET), and be capable of ensuring seamless device integration, reliable overnight data collection, and robust backend connectivity with Azure services.

Key Responsibilities

Lead the development and maintenance of cross-platform mobile applications using Flutter / Dart for iOS and Android.

Implement andoptimizeBluetooth connectivity with the ring pulse oximeter device.

Address Android battery optimization challenges to guarantee reliable overnight data collection.

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 whenrequired.

Ensure compliance with health data security and privacy standards.

Work independently while providing technical leadership within the team.

Requirements

Professional level English comprehension (spoken, reading / writing)

7+ years of professional software development experience, with strongexpertisein 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 Android battery optimization techniques for background processes.

Successfultrack recordof publishing andmaintainingapps in the App Store and Google Play.

Experience integrating with Microsoft Azure services .

Familiarity with Firebase (Authentication, Crashlytics, Analytics), Sentry , and PostHog .

Advanced English communication skills ( C1 level ), both written and spoken.

Strong problem-solving abilities and attention to detail.

Prior experience in health or medical app development is a plus.

Technical Skills

Primary: Flutter / Dart, Bluetooth LE, iOS, Android

Secondary: C#, .NET, Azure, Firebase

Tools: GitHub, Sentry,PostHog, App Store Connect, Google Play Console

What We Offer

The opportunity to develop innovative health technology with real impact.

Competitive salary based on experience.

Professional growth and development opportunities.

A collaborativeteamculture that values independence and initiative.