GPU Compiler 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 ValuesBe 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 RoleWe’re looking for highly experienced GPU Compiler Developer. You will focus on the design, development, implementation, and toolchain of a high-performance compiler stack for our proprietary RISC-V GPU architecture. You will play a key role in developing the GPU execution environment and transforming shader IR code into highly optimized machine code.We are looking to fill a range of Junior to Senior roles.What You'll DoFocus on the development of the LLVM-based compiler backend for a RISC-V vector execution environment transforming shader IR code into highly optimized machine codePlay a key role in the development of the GPU execution environmentDesign optimization passes for parallel vector workloads and proprietary intrinsicsCollaborate with hardware architects to optimize performance and efficiencyCoordinate with the GPU Driver team to communicate with the host through PCIe or on-board shared memoryDevelop host-side GPU emulation and evaluation environmentsDevelop a toolchain for development, optimization, and debuggingQualificationsBachelor’s/Master’s degree in Computer Engineering, Computer Science, or related fieldIndustry experience with GPU compilers. Deep understanding of GPU architectures and toolchainsDeep understanding of parallel programming languages for GPUs Deep understanding of compiler operationDeep understanding of computer architecture and microarchitecture, including memory hierarchy, instruction flow, vectorization, and other modern processorsStrong proficiency with C++ and assemblyExperience with code analysis, IR (LLVM, MLIR, ISPC), and LLVM and GCC internalsDemonstrated ability to ship high-quality production softwarePreferred QualificationsUnderstanding and experience with RISC-V and vector processorsExperience implementing an RTOS environment and/or device firmwareExperience with PCIe bus communicationsExperience co-designing hardware architecturesUnderstanding of path and ray tracingCompensation Range: $175,000–$220,000 per year (California). This range represents the anticipated base pay for this role; the final offer may vary based on qualifications, experience, and location.BenefitsMedical, Dental, & Vision - 100% covered premiumsEquity - Stock Options401(k) matchWFH Equipment ReimbursementGenerous Paid Time OffBolt 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.