System Software Engineer (AI)

Location: Hybrid role based in Montreal, Canada

Salary: CAD 120,000–180,000 per year base salary, plus equity, benefits, and RRSP

Company

hirify.global is a startup building foundational technology for performance, scalability, and resiliency in large-scale AI data center clusters.

What you will do

• Design and implement communication and execution primitives for large-scale AI models running across thousands of GPUs.
• Collaborate across the software stack to shape foundational infrastructure for next-generation AI models.
• Analyze the software-hardware interface to identify and resolve performance bottlenecks in distributed training and inference.
• Conduct performance benchmarking and characterization on multi-node clusters.

Requirements

• Strong proficiency in C++ and Python.
• Deep understanding of systems programming fundamentals, including memory management, concurrency, and operating system internals.
• Proficiency in a Linux development environment.
• Bachelor’s or Master’s degree in Computer Engineering, Computer Science, or a related field.
• Ability to work in a hybrid role based in Montreal, Canada.

Nice to have

• Experience with GPU programming using CUDA and performance optimization for parallel architectures.
• Familiarity with distributed AI frameworks such as PyTorch, JAX, or DeepSpeed.
• Familiarity with inference engines such as vLLM, SGLang, Dynamo, or TRT-LLM.
• Hands-on experience with large-scale cluster orchestration and telemetry tools.

Culture & Benefits

• Work alongside experienced builders and operators developing early-stage foundational technology.
• Collaborate across remote and on-site locations in the United States and Canada.
• Meaningful equity, benefits, and RRSP contributions.
• Environment centered on trust, integrity, respect, shared responsibility, and professional growth.