Math Libraries Engineer, Post Quantum Cryptography

Job Description

Job Title: Senior Math Libraries Engineer, Post Quantum Cryptography. Location: Santa Clara, California, United States; Remote (US, CA)

Your work will directly impact security software stacks across a wide range of processors, from edge devices to data center GPUs.

Responsibilities:

• Develop and optimize scalable, high-performance cryptographic primitives, algorithms, and building blocks for GPU architectures.
• Design robust long-term software architectures compatible with multiple generations of hardware;
• Collaborate with internal teams (product management, engineering) and external partners to understand feature and performance requirements.
• Deliver timely releases of the cuPQC Software Development Kit (SDK).
• Influence the creation of APIs, documentation, and the overall developer experience.

Qualifications:

• PhD or MSc in Applied Mathematics, Computer Science, or related field (or equivalent experience).
• 5+ years of experience designing and developing software for cryptography in low-latency or high-throughput environments.
• Strong mathematical foundations;
• Advanced C++ skills, including modern design paradigms (template meta-programming, SFINAE, RAII, constexpr).
• Strong collaboration, communication, and documentation habits.

Preferred / Nice to Have:

• Experience developing widely-used libraries.
• CUDA C++ and GPU computing experience.
• Knowledge of contemporary software automation setups (CMake, CI/CD, sanitizers).
• Strong understanding of mathematical foundations and cryptographic algorithms, including finite field arithmetic, lattice-based cryptography, and cryptographic hash functions.

Benefits & Compensation:

• Competitive base salary: $184,000–$287,500 (Level 4), $224,000–$356,500 (Level 5), depending on experience and location.
• Eligibility for equity and benefits;
• Work in a diverse, inclusive environment with equal opportunity employment.
• Remote work flexibility within US locations.