Senior Android Engineer

About the role

This fully remote position is for a Senior Android Engineer who will work on cutting‑edge mobile security and fraud‑prevention technologies. You will design and enhance Android SDKs and mobile applications that provide device intelligence and detection capabilities for a globally distributed team.

Key responsibilities

• Lead development, maintenance, and optimization of Android SDKs and mobile apps focused on device intelligence, fraud detection, and security.
• Design and implement advanced detection signals while improving performance, stability, scalability, and reliability.
• Build and enhance mobile applications and developer tools using modern Android technologies such as Jetpack Compose and Kotlin.
• Collaborate with backend engineers, product managers, analysts, and security researchers to deliver end‑to‑end solutions.
• Research, prototype, and evaluate new methodologies to strengthen mobile intelligence and detection systems.
• Analyze post‑deployment data to improve server‑side logic, detection accuracy, and overall product effectiveness.
• Maintain open‑source Android projects and demo applications, improving developer experience.
• Translate UI designs into high‑quality mobile interfaces following Android best practices.

Required profile

• 5+ years of professional experience in native Android development at a senior level.
• Strong background in information security, mobile security, or fraud‑prevention technologies.
• Proven ownership of Android applications and SDKs across the full development lifecycle.
• Deep understanding of Android internals and mobile system behavior.

Required skills

• Android development
• Kotlin
• Jetpack Compose
• Android SDK
• Mobile security
• Fraud detection technologies
• Open‑source contribution