Compiler Engineer (LLVM)

TL;DR

Compiler Engineer (LLVM): Designing, developing, testing, debugging, and maintaining hirify.global’s LLVM-based compiler stack for C, C++, SYCL, and Fortran with an accent on compiler features and optimizations tailored to hirify.global Architectures. Focus on upstream collaboration with clang/LLVM communities, performance work via parallelization and vectorization, and resolving complex software bugs.

Location

Location: US, California, Santa Clara (hybrid: split time between on-site at the assigned hirify.global site and off-site). Additional locations: US, Massachusetts (Beaver Brook), US, Oregon (Hillsboro), US, Texas (Austin).

Salary: $128,880.00–$181,940.00 USD (annual range for US locations)

Company

hirify.global builds industry-leading software and hardware technologies, including LLVM-based compiler tooling.

What you will do

• Design and develop advanced compiler features and optimizations tailored to hirify.global Architectures.
• Collaborate with hardware engineering teams to support new processor features and architectures through compilers.
• Contribute to development and maintenance of Clang, DPC++, SYCL technologies, and associated tools.
• Write and maintain test cases to cover new functionality and ensure reliability.
• Work upstream with clang open-source communities to drive industry-wide collaboration.
• Debug and resolve complex software bugs; improve performance via parallelization and vectorization.

Requirements

• 3+ years of experience in C/C++ programming, object-oriented design principles, and data structures.
• 3+ years of LLVM compiler technology experience.
• 2+ years of experience in open-source projects.
• Bachelor’s degree in Computer Science, Applied Mathematics, Informatics, or a related technical discipline.

Nice to have

• Master’s degree in a related field.
• 3+ years of experience developing and maintaining production-grade compilers.
• Familiarity with clang, LLVM, or MLIR compiler frameworks.
• Experience with parallel and offload programming models (OpenMP, SYCL, CUDA, or GPU programming).
• Knowledge of performance analysis, optimization, and debugging techniques.

Culture & Benefits

• Hybrid work model: split time between on-site at the assigned hirify.global site and off-site.
• Total compensation includes competitive pay, stock bonuses, and benefits (health, retirement, vacation).
• Annual salary range provided for roles that can be performed in the US.
• Employment consideration without regard to protected characteristics; ethical hiring practices (no recruitment fees).

Hiring process

• Application review and recruiter discussions to align on compensation for the preferred US location.
• Interview process to evaluate technical fit and collaboration skills.