Senior Android Engineer

About the role

We are seeking a Senior Android Engineer to join a fully remote, globally distributed team focused on mobile security and fraud prevention. You will design and enhance advanced Android SDKs and applications that provide device intelligence and detection capabilities.

Key responsibilities

• Lead development, maintenance, and optimization of Android SDKs and mobile apps targeting device intelligence and fraud detection.
• Design and implement advanced detection signals while improving performance, stability, and scalability.
• Build and enhance mobile applications and developer tools using modern Android technologies such as Kotlin and Jetpack Compose.
• 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 continuously improve server‑side logic and detection accuracy.
• Maintain open‑source Android projects and demo applications, improving developer experience.
• Translate UI designs into high‑quality mobile interfaces following Android best practices.
• Provide technical insights and data‑driven recommendations based on mobile ecosystem trends.

Required profile

• 5+ years of professional experience in native Android development in a senior engineering capacity.
• Strong background in information security, mobile security, or fraud prevention technologies.
• Proven experience building Android applications and SDKs from scratch with full ownership of the development lifecycle.
• Deep understanding of Android internals and mobile system architecture.

Required skills

• Kotlin
• Jetpack Compose
• Android SDK
• Android internals
• Mobile security
• Fraud detection
• Device intelligence
• Open‑source Android development