Senior Compiler Engineer (LLVM)

Location: Toronto, Canada; hybrid work model with time split between the assigned hirify.global site and off-site work.

Annual salary: CAD 155,888–220,069, dependent on location and experience.

Company

hirify.global develops software and compiler technologies for heterogeneous computing across CPUs, GPUs, and accelerators, supporting AI, HPC, processor platforms, and open-source ecosystems.

What you will do

• Design, develop, test, debug, and maintain advanced compiler technologies and software components.
• Implement compiler features, resolve complex defects, and improve compiler-generated code performance and efficiency for hirify.global CPU architectures.
• Analyze real-world applications, workloads, and benchmarks to identify optimization opportunities.
• Conduct functional, performance, scalability, and stress testing to ensure product quality and reliability.
• Partner with hardware architects and platform teams to enable new processor capabilities, and collaborate with global engineering, validation, and performance teams.
• Contribute to open-source compiler initiatives and industry standards while providing technical leadership and mentorship.

Requirements

• Bachelor's degree in Computer Science, Applied Mathematics, Informatics, or a related technical field.
• 6+ years of professional software development experience and advanced knowledge of C/C++.
• Strong background in object-oriented programming, algorithms, and data structures.
• Experience optimizing software for CPU performance and efficiency.
• Excellent analytical, debugging, and problem-solving skills.

Nice to have

• Master's degree or PhD in Computer Science, Electrical Engineering, or a related discipline.
• Ability to independently drive technical investigations and deliver solutions.
• Strong communication and collaboration skills in global engineering environments.
• Experience with vectorization technologies and parallel programming models such as OpenMP.
• Experience developing compilers with LLVM or similar compiler frameworks.
• Knowledge of assemblers, linkers, and low-level system software.
• Strong understanding of compiler optimizations, code generation, and CPU architecture.
• Experience analyzing and tuning software performance across complex workloads.
• Familiarity with performance profiling and analysis tools such as perf or equivalent solutions.

Culture & Benefits

• Hybrid work model combining on-site work at the assigned hirify.global site with off-site work.
• Collaboration across global engineering, validation, hardware, and performance teams.
• Opportunities to contribute to open-source compiler initiatives and industry standards.
• Accessibility accommodations are available for applicants and employees with disabilities.