Principal Software Engineer - Kubernetes

Software International (SI) supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to small and mid-sized organizations in Canada/US. We are currently hiring multiple Principal Software Engineers - Kubernetes for our client in the Toronto area, which specializes in OS development for AI and data stacks.

Principal Software Engineer - Kubernetes

Fulltime, Perm

$140,000 - $170,000 as base salary depending on overall experience + stock options + 3 weeks vacation + benefits

Onsite - downtown Toronto, ON, Canada

Our client is building the world’s first operating system for data and AI. Like iOS, Windows and Linux, our client’s end-to-end OS offers ever‑evolving, automatically operated, best‑of‑breed open‑source components tailored to each of their clients unique needs.

Our client is looking to add multiple Principal Software Engineers with strong experience in Kubernetes and systems development. In this role, you can expect to play a crucial role in building our platform features, as well as creating production‑level AI applications. The role requires a strong commitment to code quality and cross‑functional collaboration as well as a deep sense of ownership.

Our client’s team culture is proactive, supportive and collaborative which leads to the growth and expansion of their platform and helps deliver exceptional results for clients.

• Lead the design, development, and evolution of the data and AI operating system
• Define and implement architectural patterns and best practices across engineering teams
• Provide technical mentorship to engineers at all levels and help grow their capabilities
• Drive technical vision and strategy in alignment with business objectives
• Solve complex systems‑level problems and make critical technical decisions
• Collaborate with product and business stakeholders to translate requirements into technical solutions
• Champion engineering excellence, code quality, and sustainable development practices
• Influence the technical roadmap and participate in strategic planning

• Bachelor's degree in Computer Science, Engineering, or Mathematics; advanced degree preferred
• 8+ years of software engineering experience with a proven track record of technical leadership
• Deep expertise in distributed systems, cloud architecture, and large‑scale data processing
• Experience architecting and implementing complex software systems from concept to production
• Strong understanding of software design patterns, algorithms, and data structures
• Expertise with Kubernetes, infrastructure as code, containerization, and orchestration technologies
• Excellent communication skills with the ability to explain complex technical concepts to both technical and non‑technical audiences
• Track record of mentoring and growing engineering talent
• Demonstrated ability to balance technical excellence with business requirements
• Experience working in fast‑growing startups and managing ambiguity

• Cutting‑edge AI and ML technologies and applications
• Deep expertise in Kubernetes ecosystem
• Advanced data platform architecture
• Techniques for scaling both systems and engineering organizations