Senior Android Engineer

About the role

We are looking for an experienced Senior Android Engineer to join our Fraud Prevention Team. You will design and build scalable Android SDKs and cross‑platform components that power multiple product teams worldwide.

Key responsibilities

• Design, develop and maintain Android SDKs, libraries and reusable platform modules.
• Collaborate with product teams to abstract common patterns into shared tools.
• Build and maintain cross‑platform components in Flutter, ensuring consistency with iOS.
• Optimize SDKs for performance, memory usage, battery efficiency and reliability.
• Implement clean architecture (MVVM/MVI), robust error handling, thread management and lifecycle‑aware components.
• Integrate instrumentation, logging and work closely with QA, CI/CD and DevOps for seamless releases.

Required profile

• 4‑6 years of professional Android development experience.
• Strong proficiency in Kotlin and Java with deep understanding of Android SDK internals.
• Experience building, distributing and maintaining Android SDKs used across multiple apps.
• Familiarity with Flutter/Dart or willingness to work in cross‑platform environments.
• Solid grasp of OOP, design patterns, SOLID principles and clean code.

Required skills

• Kotlin, Java
• Android SDK, Gradle, multi‑module architecture
• Flutter, Dart
• CI/CD pipelines, test automation
• RESTful APIs, offline storage, Proguard/R8, SSL pinning
• Android Profiler, LeakCanary, StrictMode

What we offer

• Competitive salary with potential equity.
• Health benefits, flexible PTO and learning budget.