GPU Compiler Architect (LLVM/RISC-V)

Bolt Graphics; Sunnyvale (CA); On-site; USD 175,000 - 220,000; Full time

Benefits offered by this job

Medical, Dental & Vision 100% covered

Stock Options

401(k) match

WFH Equipment Reimbursement

Generous Paid Time Off

Job summary

Bolt Graphics is seeking an experienced GPU Compiler Developer in Sunnyvale, CA to design, implement, and optimize a high-performance compiler stack for our proprietary RISC-V GPU architecture.

You will transform shader IR into optimized machine code, develop the LLVM-based backend, and collaborate with hardware and driver teams to maximize performance and efficiency. This role ranges from junior to senior levels and offers a competitive package.

Qualifications

• Bachelor’s/Master’s degree in Computer Engineering, Computer Science, or related field.
• Industry experience with GPU compilers.
• Deep understanding of GPU architectures and toolchains.
• Deep understanding of parallel programming languages for GPUs.
• Deep understanding of compiler operation.
• Deep understanding of computer architecture and microarchitecture, including memory hierarchy, instruction flow, vectorization, and other modern processors.
• Strong proficiency with C++ and assembly.
• Experience with code analysis, IR (LLVM, MLIR, ISPC), and LLVM and GCC internals.
• Demonstrated ability to ship high-quality production software.

Responsibilities

• Focus on the development of the LLVM-based compiler backend for a RISC-V vector execution environment transforming shader IR code into highly optimized machine code.
• Play a key role in the development of the GPU execution environment.
• Design optimization passes for parallel vector workloads and proprietary intrinsics.
• Collaborate with hardware architects to optimize performance and efficiency.
• Coordinate with the GPU Driver team to communicate with the host through PCIe or on-board shared memory.
• Develop host-side GPU emulation and evaluation environments.
• Develop a toolchain for development, optimization, and debugging.

Skills

GPU compilers

LLVM

C++

Assembly

RISC-V

Shader IR

Parallel programming

Toolchain

GCC internals

Education

B.S./M.S. in CS/CE

Tools

LLVM

MLIR

ISPC

GCC internals

Job description

Bolt Graphics is seeking an experienced GPU Compiler Developer in Sunnyvale, CA to design, implement, and optimize a high-performance compiler stack for our proprietary RISC-V GPU architecture.

You will transform shader IR into optimized machine code, develop the LLVM-based backend, and collaborate with hardware and driver teams to maximize performance and efficiency. This role ranges from junior to senior levels and offers a competitive package.