Quantum Computing Libraries Engineer

Job Description

Job Title: Senior Quantum Computing Libraries Engineer. Location: Santa Clara, CA, USA - New York, NY, USA

Responsibilities:

• Research, develop, and optimize GPU-accelerated algorithms across multiple hardware generations.
• Develop innovative high-performance computing (HPC) algorithms to scale quantum circuit simulations.
• Design and build high-performance software libraries for quantum computing and quantum system simulations;
• Collaborate closely with NVIDIA Research, Developer Technology, and Product Management teams on quantum computing, HPC, and machine learning initiatives.
• Work with external partners and researchers to understand technical requirements and use cases.
• Provide technical leadership and mentorship to engineering teams.
• Analyze the performance of GPU, CPU, multi-GPU, and multi-node implementations to identify optimization opportunities.
• Improve algorithmic efficiency and software implementation performance for large-scale quantum simulations.

Qualifications:

• Strong C++ and Python programming skills with experience in software design, functional testing, and performance testing.
• Experience programming GPUs in multi-threaded and multi-node MPI environments.
• Expertise in hardware-aware optimization techniques.
• Experience using agentic coding tools;
• Demonstrated experience developing scientific software for quantum simulations, such as circuit simulators, compilers, or hybrid computing systems.
• PhD or MSc in Computer Science, Applied Mathematics, Physics, or a related engineering/science field, or equivalent practical experience.
• 8+ years of relevant experience.
• Strong collaboration, communication, and documentation skills.

Preferred:

• Experience with quantum computing and deep learning frameworks such as Qiskit, Cirq, PennyLane, TensorFlow, TNQVM, or PyTorch.
• Proven experience with HPC technologies and communication algorithms.
• Expertise in numerical methods, Hamiltonian integrals, and quantum simulation techniques;
• Experience working in agile software development environments within globally distributed organizations.

Benefits and Compensation:

• Base salary range:
  • Level 4: $184,000–$287,500 USD annually
  • Level 5: $224,000–$356,500 USD annually
• Eligibility for equity compensation and comprehensive employee benefits;
• Opportunity to work with one of the world’s leading accelerated computing and AI companies.
• Access to cutting-edge quantum computing, HPC, and GPU technologies.
• Collaborative environment with highly skilled engineering and research teams.