GPU Performance Engineer (CUDA)

Location: Hybrid in NY, New York, United States, with flexible in-office days

Salary: $165,000–$300,000 base pay annually, plus potential discretionary bonus and benefits

Company

hirify.global is a quantitative investment management and trading firm applying technology, artificial intelligence, data science, and quantitative research to financial markets.

What you will do

• Design and implement GPU-accelerated kernels for financial computation workloads.
• Optimize GPU code for throughput, latency, and memory efficiency across current and next-generation hardware, including Blackwell and Rubin.
• Develop precision-management procedures for FP8/FP4 training and inference in financial applications.
• Profile and optimize workloads using NVIDIA Nsight Systems and Nsight Compute.
• Build reusable GPU libraries and abstractions for modeling teams.
• Evaluate and integrate RAPIDS, CUTLASS, cuBLAS, and TensorRT for financial use cases.

Requirements

• BS or MS in Science, Technology, Engineering, or Math.
• At least 1 year of experience required; 4–10 years preferred.
• Expert-level CUDA programming, including kernel development, memory management, and stream and graph optimization.
• Deep understanding of GPU architecture, including SM structure, warp scheduling, memory hierarchy, registers, shared memory, L1/L2, and HBM.
• Experience profiling and optimizing GPU workloads.
• Strong C++ and Python skills, with familiarity with mixed-precision computation and numerical stability.
• Demonstrated ability to deliver meaningful speedups on real workloads rather than only benchmarks.

Nice to have

• Background in HPC, scientific computing, or computational finance.
• Experience with multi-GPU and multi-node GPU programming using NCCL or MPI.
• Familiarity with GPU-accelerated data-processing frameworks such as RAPIDS and cuDF.

Culture & Benefits

• Hybrid work policy with flexible in-office days and a home-office setup budget.
• Fully paid medical and dental insurance for employees and dependents, plus employer-paid life and disability insurance.
• Competitive 401(k) match, generous vacation, unlimited sick days, and paid caregiver leave.
• Tuition reimbursement and sponsorship for conferences and training.
• Onsite gyms with laundry service, wellness activities, casual dress, snacks, and game rooms.