Staff Software Engineer

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3 days ago

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OnX

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OnX is a leading technology solution provider serving businesses, healthcare organizations, and government agencies across Canada. We combine deep technical expertise into a full suite of flexible technology solutions - including Generative AI, Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions. From developing and deploying modern AI-enabled applications and the secure, scalable infrastructure platforms on which they run, to managing, monitoring, and optimizing their operations, OnX delivers comprehensive technology solutions for its clients' transformative business initiatives.

1001 - 5000 employees

Founded 1983

📋 Description

• Design, build, and ship system-level software, frameworks, and tools that unlock performance on advanced hardware. • Write Rust-based software that is performant, reliable, and safe, alongside code in C/C++ and Python where needed. • Collaborate with hardware teams to co-design solutions that maximize specialized compute architectures. • Architect and implement distributed systems, APIs, and libraries that scale across clusters and heterogeneous environments. • Dive deep into performance bottlenecks, debugging at the intersection of hardware and software. • Mentor engineers, guide design reviews, and help shape technical direction while staying close to the codebase.

🎯 Requirements

• 10+ years of software engineering experience, with a strong track record of shipping production systems. • Proficiency in Rust, with deep experience building performance-critical, concurrent, or systems-level applications. • Strong background in HPC, GPU/accelerator programming (CUDA, ROCm, OpenCL), or distributed systems. • Solid understanding of computer architecture, parallelism, and performance optimization. • Familiarity with AI/ML frameworks (e.g., PyTorch, TensorFlow, JAX) and their hardware interactions. • Proven track record of building APIs, SDKs, or developer tools used in production environments. • Experience mentoring engineers and leading architectural discussions. • Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or related field (PhD a plus).

🏖️ Benefits

• 100% company-paid health insurance for employees *and* qualified dependents, because your family’s health matters to us too • Flexible Time Off (FTO) to rest, recharge, and take the time you need — no accruals, just trust • Company-paid life insurance to provide peace of mind • Company contribution to your Flexible Spending Account (FSA) to help with healthcare and dependent care costs • Optional add-ons like extra life insurance and critical illness protection if you want additional coverage • Paid holidays off so you can truly unplug • Work From Anywhere — flexibility to do your best work from wherever life takes you • A supportive culture that values balance, wellbeing, and being human