Android System Engineer

Solana Labs

full-time

Posted on: 9/16/2025

Origin: • 🇺🇸 United States • California, New York

✨ AI Apply

Mid-LevelSenior

AndroidJavaKotlinVaultWeb3

About the role

Lead design and implementation of secure cryptographic solutions tailored for Android smartphones.
Develop the UI layer for transaction authorization and signing on Solana.
Create API interfaces to interact with blockchain software wallets.
Build and maintain a system service responsible for transaction validation, key setup, and key management.
Work with partners to implement and maintain the Trusted App for secure key generation and signing.
Collaborate with software and hardware partners and oversee their development deliverables.
Integrate with the broader Solana Mobile Android application ecosystem.
Design and build Android UI components, system services, and compliance test suites.
Create and maintain automated test harnesses using Android Cuttlefish virtual devices.
Take end-to-end ownership of Android system software activities: design, implementation, and integration.

Strong proficiency in C, C++, Java, and Kotlin.
Deep understanding of Android architecture, especially system services and hardware abstraction layers (HALs).
2+ years of experience in Android system software development.
5+ years of total professional software engineering experience.
Solid foundation in applied cryptography and Trusted Execution Environments (TEEs).
Experience working with or integrating secure hardware and vendor SDKs.
Ability to lead cross-functional development and integration efforts.
Familiarity with Android Cuttlefish or similar virtual devices (Nice to have).
Interest or experience in blockchain applications and ecosystem tools (Nice to have).
Contributions to open-source Android or security-related projects (Nice to have).