Senior Android System Engineer — Secure Wallet & Blockchain

Framework Ventures; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Framework Ventures is looking for a Senior System Software Engineer (Android) to design secure cryptographic solutions and build system services for the Solana blockchain. You will implement transaction authorization UI and collaborate with partners to integrate secure hardware. Required skills include strong proficiency in C, C++, Java, Kotlin, and a solid background in Android architecture and applied cryptography. Join a dedicated team driving innovation in mobile web3 applications.

Qualifications

• Strong proficiency in C, C++, Java, and Kotlin.
• Deep understanding of Android architecture, especially system services and 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.

Responsibilities

• Design and implement a secure cryptographic solution tailored for Android smartphones.
• Develop the UI layer for transaction authorization and signing.
• Create API interfaces for blockchain wallets.
• Build and maintain a system service for transaction validation.
• Integrate with the broader Solana Mobile Android application ecosystem.

Skills

C

C++

Java

Kotlin

Android architecture

Applied cryptography

Cross-functional development

Job description

Framework Ventures is looking for a Senior System Software Engineer (Android) to design secure cryptographic solutions and build system services for the Solana blockchain. You will implement transaction authorization UI and collaborate with partners to integrate secure hardware. Required skills include strong proficiency in C, C++, Java, Kotlin, and a solid background in Android architecture and applied cryptography. Join a dedicated team driving innovation in mobile web3 applications.