Senior Android Developer - Cryptographic

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Responsibilities:

Core Development: Responsible for feature development and architecture optimization of the MPC Wallet Android client, ensuring code quality and maintainability.

Security Implementation: Participate in client-side implementation of security-related modules including key management, MPC signing flows, and device binding.

Cross-Platform Collaboration: Align interfaces (API/Proto) with iOS, backend, and Web teams to ensure multi-platform consistency and compatibility.

Performance Optimization: Continuously optimize app startup speed, memory usage, network requests, and UI rendering performance.

Quality Assurance: Write unit and integration tests, participate in code reviews, and drive engineering standards and CI/CD pipeline development.

Technical Research: Track new technologies in the Android ecosystem, evaluate and introduce suitable tools and frameworks for the team.

Requirements:

5+ years of native Android development experience, with a track record of shipping commercial products end-to-end.

Proficient in Kotlin (primary language), familiar with Java.

Solid command of Android SDK and Jetpack components (Lifecycle, ViewModel, Navigation, Room, WorkManager, etc.).

Familiar with Jetpack Compose or traditional View system; capable of independently building complex UI.

Familiar with common architecture patterns: MVVM / MVI / Clean Architecture.

Familiar with networking frameworks (OkHttp, Retrofit), serialization (Protobuf / JSON), and dependency injection (Hilt / Koin).

Familiar with Android security mechanisms: KeyStore, encrypted storage, certificate pinning, code obfuscation / hardening.

Good code review habits; familiar with Git workflows (feature branching, PR review).

Adept at using AI-assisted tools (e.g., GitHub Copilot, Cursor, ChatGPT) to boost development efficiency; demonstrates an AI-augmented development mindset.

Strong communication skills; able to collaborate effectively with multi-platform teams.

Nice to Have(Preferred)