Senior Systems Software Engineer

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.

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.

• 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 toolc...