Join Circadia Health, a Series B healthcare AI company transforming senior care through predictive analytics and agentic AI workflows across 300+ skilled nursing facilities. Your work will directly impact patient care, serving 30k+ patients daily (scaling to 100k+) through Circadia Contactless Monitor IoT devices.
• Build, develop, and maintain native iOS applications using Swift, SwiftUI, and UIKit
• Implement modern iOS architecture patterns (MVVM, MVI, Clean Architecture) and reusable components
• Optimize app performance, memory usage, and battery consumption across iPhone and iPad
• Ensure adherence to Apple's Human Interface Guidelines and App Store submission requirements
• Build, develop, and maintain native Android applications using Kotlin and Jetpack Compose
• Implement modern Android architecture components (ViewModel, LiveData, Room, Navigation)
• Optimize app performance across a wide range of Android devices and OS versions
• Ensure adherence to Material Design guidelines and Google Play Store requirements
• Integrate mobile applications with RESTful APIs and real-time services
• Collaborate with backend engineers to define API contracts
• Implement robust offline support, caching strategies, and synchronization
• Develop communication layers between mobile apps and IoT devices (BLE, Wi-Fi, cloud protocols)
• Work with AWS IoT for real-time device telemetry, configuration, and updates
• Build interfaces for device pairing, provisioning, and diagnostics
• Integrate mobile apps with AWS services (Cognito, Pinpoint, IoT, MSK)
• Implement OAuth, JWT, and biometric authentication
• Manage push notifications across APNs and FCM via AWS Pinpoint
• Write unit and integration tests using XCTest (iOS) and JUnit/Espresso (Android)
• Implement UI testing with XCUITest and Android Espresso
• Conduct code reviews and maintain high coding standards
• Manage patient data using local persistence (Core Data, Realm, Room, SQLite)
• Optimize data queries and synchronization strategies
• Implement secure local storage with encryption at rest
• Implement secure key storage (Keychain, Keystore), certificate pinning, encrypted communications
• Ensure compliance with HIPAA and platform privacy requirements
• Regularly update apps to address vulnerabilities and OS updates
• Create comprehensive documentation for mobile architecture and release processes
• Manage CI/CD pipelines (Fastlane, Xcode Cloud, GitHub Actions)
• Coordinate App Store and Google Play releases
• Advanced knowledge of Swift and iOS SDK (SwiftUI, UIKit, Combine, async/await)
• Advanced knowledge of Kotlin and Android SDK (Jetpack Compose, Coroutines, 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)
• Understanding of AWS services (Cognito, Pinpoint, IoT, MSK)
• Deep understanding of user-centered design principles and usability best practices for mobile
• Knowledge of HTTP(S), TLS, certificate pinning, and authentication flows
• Strong understanding of mobile security best practices
• Experience with TDD and mobile testing frameworks (XCTest, JUnit, Espresso)
• Familiarity with App Store Connect and Google Play Console
• Experience with cross-platform frameworks (React Native, Flutter, Kotlin Multiplatform)
• Proficiency in TypeScript or C++
• Experience with Google APIs (Maps, Health, Firebase) and Apple frameworks (HealthKit, CoreBluetooth, CallKit)
• Experience with mobile DevOps tooling (Fastlane, Bitrise, Xcode Cloud)
• Design acumen — translating complex healthcare workflows into intuitive mobile interfaces
• Experience with Bluetooth Low Energy (BLE) and IoT device communication
• Languages: Swift, Kotlin, Objective-C (legacy), Java (legacy), TypeScript (optional)
• iOS: SwiftUI, UIKit, Combine, Core Data, CoreBluetooth, HealthKit
• Android: Jetpack Compose, Android Jetpack, Coroutines, Room, WorkManager
• Cross-Platform (optional): React Native, Flutter, Kotlin Multiplatform
• Backend: REST, GraphQL, WebSockets, MQTT
• Cloud: AWS (Cognito, Pinpoint, IoT, MSK), Firebase
• Databases: SQLite, Core Data, Room, Realm
• Testing: XCTest, XCUITest, JUnit, Espresso, Mockito
• CI/CD: Fastlane, Xcode Cloud, GitHub Actions, Jenkins, CircleCI
• Meaningful employee stock options
• 100% company-paid medical, dental, vision
• 401(k) with match
• Generous PTO
• Wellness programs (gym membership reimbursement, virtual fitness classes)
• Mental health resources (counseling, meditation apps)
• Collaborative environment working with designers, engineers, scientists, and clinicians
