Senior Systems Software Engineer

About This Role

About Us:

QuantumGate is dedicated to developing and commercializing cutting-edge post-quantum cryptographic solutions. Our mission is to safeguard enterprise digital environments through innovative protocols and applications that address the evolving challenges of the post-quantum era.

About the role:

We are looking for a versatile engineer who can work across multiple domains of our complex project while maintaining strong security practices. You'll develop in different languages and layers—from Android/AOSP and system services to infrastructure—and ensure security is baked into everything.

Key Responsibilities:

• Develop across multiple areas: C/C++, Java, Golang—using the right tool for the job
• Own security implementation: design secure components, implement cryptographic solutions, conduct threat assessments, manage vulnerability patching
• Build and customize AOSP with security hardening
• Build system modifications and toolchain work
• System framework and service development
• Security updates and patch integration

Move fluidly between project domains as needed:

• Android application and system-level work
• Infrastructure and DevOps focused work
• Linux system hardening
• Drive security culture: implement best practices, code reviews, vulnerability management
• Automate and script for builds, testing, deployments

Preferred Qualifications:

• Android/AOSP knowledge: Comfortable building from source, understanding frameworks, modifying system services
• Multi-language capability: Strong in at least 1 of the following: C/C++, Java, Golang and willing to learn others.
• Security mindset: Understanding of cryptography, threat modeling, vulnerability management
• Linux fundamentals and scripting/DevOps experience
• Versatility & Ownership: comfortable context-switching across different project areas and driving decisions independently

Join us to drive innovation and shape the future of technology!