Senior Android Engineer

About the role

This fully remote position is for a Senior Android Engineer who will help shape cutting‑edge mobile security and fraud‑prevention technologies. You will work in a globally distributed team, designing advanced Android SDKs and applications that deliver device intelligence and detection capabilities.

Key responsibilities

• Lead development, maintenance, and optimisation of Android SDKs and mobile apps focused on device intelligence, fraud detection and security.
• 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 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.
• Analyse 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 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 development
• Android internals
• Mobile security
• Fraud detection technologies
• Open‑source Android project maintenance