Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. Join us and help build the platform engineers turn to ship AI products.

We’re seeking a GPU Kernel Engineer to join our team at the cutting edge of AI acceleration, where your code directly impacts the performance of state-of-the-art machine learning models. As a GPU Kernel Engineer, you'll craft the foundation that powers modern AI workloads, optimizing every microsecond of computation to enable breakthrough applications. You'll work in a fast-paced, intellectually stimulating environment where technical excellence is paramount and your contributions directly influence production systems serving millions of users across numerous products.

Driving model performance optimization Design and implement high-performance GPU kernels for key ML operations, including matrix multiplications, attention mechanisms, and mixture-of-experts routing Write and optimize code using CUDA, PTX assembly, and architecture-specific techniques Apply advanced performance optimization methods such as memory coalescing, warp‑level programming, tensor core acceleration, and compute/memory overlap Performance & Innovation Identify and resolve performance bottlenecks using tools such as Nsight Systems, Nsight Compute, and Torch Profiler Present technical contributions at industry conferences (e.g., NVIDIA GTC, AWS re:Invent)



Strong understanding of GPU architecture and programming paradigms: Synchronization techniques and race condition mitigation Proficient in C++ and GPU performance profiling tools Knowledge of CUDA C++ API, memory access patterns, bandwidth optimization, numerical precision and quantization strategies, and modern GPU features such as tensor cores and async operations Contributions to open‑source GPU projects Research publications or conference presentations on GPU performance Competitive compensation, including meaningful equity ~100% coverage of medical, dental, and vision insurance for employee and dependents ~ Flexible PTO policy including company‑wide Winter Break (our offices are closed from Christmas Eve to New Year's Day) ~ Paid parental leave ~ Fertility and family‑building stipend through Carrot ~ Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities Apply to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward‑thinking team, we would love to hear from you. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

We are an Equal Chance Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable). #

📌 Software Platform Engineer (Montreal)
🏢 Baseten
📍 Montreal