Mobile Developer (iOS and Android)

Career Summary

Circadia Health is a rapidly scaling, Series B healthcare AI company transforming senior care through predictive analytics and agentic AI workflows across 300+ skilled nursing facilities and expanding into home health and hospice. We are looking for a seasoned Executive Assistant to serve as a force multiplier across people, culture, and executive coordination.

Responsibilities

• Keep the company running smoothly, our people well-supported, and our leadership well-prepared
• Handle select personal and logistical matters for the CEO with discretion and care
• Play a critical role in designing, developing, and maintaining native iOS and Android applications
• Integrate mobile applications with RESTful APIs and real-time services to support healthcare workflows
• Develop and maintain communication layers between mobile apps and the Circadia Contactless Monitor (IoT devices)
• Implement robust offline support, caching strategies, and synchronization for intermittent connectivity scenarios common in clinical environments
• Integrate mobile applications with AWS services for authentication, push notifications, and real-time data streaming
• Write unit tests and integration tests using XCTest and JUnit/Espresso to ensure code quality and reliability
• Create and maintain comprehensive documentation for mobile architecture, integration patterns, and release processes

Qualifications

• Advanced knowledge of Swift and the iOS SDK, including SwiftUI, UIKit, Combine, and async/await
• Advanced knowledge of Kotlin and the Android SDK, including Jetpack Compose, Coroutines, and Flow
• Strong understanding of mobile architecture patterns (MVVM, MVI, Clean Architecture) and dependency injection
• Experience integrating with RESTful APIs and real-time data sources (WebSockets, MQTT, server-sent events)
• Understanding of AWS services relevant to mobile (Cognito, Pinpoint, IoT, MSK)
• Deep understanding of user-centered design principles, design thinking methodologies, and usability best practices specific to mobile
• Knowledge of HTTP(S) as a protocol, including TLS, certificate pinning, and authentication flows
• Strong understanding of mobile security best practices, including secure storage, biometric authentication, and data protection
• Experience with TDD and mobile testing frameworks (XCTest, JUnit, Espresso)
• Familiarity with App Store Connect and Google Play Console release workflows