Lead Android Developer

Description

Our client is an innovative manufacturer of medical devices in the United States that produces devices and software applications.
You will be leading the development of a security-critical Android mobile gateway application used to communicate with wearable cardiac-monitoring devices for a major U.S. healthcare provider.
The work involves building a highly reliable, secure, medical-grade communication layer between Android devices and a wearable sensor, operating within an MDM/Device Owner environment and adhering to regulatory requirements.

Requirements

• 6+ years of hands-on Android development experience
• Strong proficiency in Kotlin
• Practical experience with Bluetooth Low Energy (BLE)
• Proven background in technical leadership or team-leading roles
• Excellent communication skills and ability to work effectively in a team
• Strong analytical and problem-solving abilities
• Proficiency in English with the ability to communicate directly with clients

Nice-to-Have

• Secure storage, encryption, certificate pinning
• Background services architecture (WorkManager, foreground services)
• IoT/embedded experience, collaboration with firmware teams
• Custom protocol design (BLE characteristics, binary formats)
• Experience in medical/regulated environments
• Performance profiling, stability engineering
• MDM/Kiosk mode, Device Owner expertise

Job responsibilities

• Own and drive the architecture of the Android gateway application
• Lead BLE Central-mode integration with a wearable medical device
• Ensure stable background operation and power-efficient connectivity
• Implement secure communication flows, encrypted data handling and privacy-driven design
• Integrate MDM/Device Owner configurations, kiosk mode and device-level restrictions
• Provide technical leadership, code reviews, mentoring, and best-practice enforcement
• Collaborate closely with firmware, backend, QA and security teams
• Participate in regulatory reviews, compliance discussions and security assessments