GPU Driver Developer

Bolt Graphics is a semiconductor startup based in Sunnyvale, CA building the fastest and most efficient graphics processors. We pride ourselves on our first principles approach to solving problems. We are energized by our mission to reduce the barrier of entry for content creation and consumption. Our goal is to enable everyone to easily create, simulate and consume immersive experiences as vividly as they can imagine them.

*Our Values*

• Be Fearless: Unmute yourself. Test boundaries and get proven right.
• Remain Adaptable: Stay comfortable in a continuously changing world. If you’re wrong, concede and move on.
• Educate Your Ego: Selflessly collaborate towards our shared purpose.

About The Role

We’re looking for an experienced GPU Driver Developer. You will focus the design, development, implementation, and toolchain of a high-performance host-side driver stack and API for our proprietary RISC-V GPU architecture.

We are looking to fill a range of Junior to Senior roles.

What You'll Do

• Focus on the design of a low-level path-tracing, graphics, and compute API for our proprietary GPU
• Play a key role in the development of User & Kernel Mode Drivers that can be executed on a host CPU running Windows or Linux, or embedded on a RISC-V CPU running Linux
• Coordinate with the GPU Compiler team to communicate with the GPU through PCIe or on-board shared memory
• Coordinate with the GPU Standards Development team to implement functionality required by industry standard APIs that overlay our proprietary GPU driver
• Develop a toolchain for development, optimization, and debugging

Qualifications

• Bachelor’s/Master’s degree in Computer Engineering, Computer Science, or related field
• Industry experience with high-performance graphics and compute drivers
• Experience developing drivers for Windows and Linux
• Deep understanding of User Mode and Kernel Mode driver development
• Good understanding of modern GPU APIs such as Vulkan, Metal, DirectX, CUDA, and SYCL
• Strong knowledge of CPU architecture and microarchitecture
• Strong proficiency in C/C++ programming
• Experience with code analysis, IR (LLVM, MLIR, ISPC), and LLVM and GCC internals
• Demonstrated ability to ship high-quality production software

Preferred Qualifications

• Understanding and experience with RISC-V and vector processors
• Experience with PCIe bus communications
• Experience co-designing hardware architectures
• Understanding of path and ray tracing

*Compensation Range:* $175,000–$250,000 per year (California). This range represents the anticipated base pay for this role; the final offer may vary based on qualifications, experience, and location.

Benefits

• Medical, Dental, & Vision - 100% covered premiums
• Equity - Stock Options
• 401(k) match
• WFH Equipment Reimbursement
• Generous Paid Time Off

Bolt is committed to building a diverse and inclusive environment in which we recognize and value each other’s differences as well as fostering a culture that promotes its core values: Professionalism, Integrity, and Respect. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, or status as a protected veteran.