Full Stack Engineer

Principal Software Engineer

Remote | Canada

Iperium is working with a global SaaS digital health and wellness technology company to hire a Principal Software Engineer for a senior, hands-on technical leadership role.

This role sits at Principal / Staff level and is focused on architecture ownership, platform scalability, and technical direction across a complex, cloud-native SaaS product.

What you’ll be doing

• Own and evolve the architecture of a large-scale SaaS platform, ensuring scalability, resilience, security, and performance.
• Lead technical decision-making across core systems and major initiatives.
• Remain hands-on in high-impact areas of the codebase.
• Mentor senior and junior engineers and set engineering standards.
• Partner with product and executive leadership to align technology with business goals.
• Evaluate and introduce new technologies, frameworks, and tooling where they add real value.
• Drive best practices across secure coding, testing, reliability, and delivery.

Tech stack

• Front end: Angular, TypeScript, React, Tailwind
• Backend: Java, C#, Python
• Architecture: Microservices, REST APIs, cloud-native design
• Cloud & infra: AWS / Azure / GCP, Docker, Kubernetes
• DevOps: CI/CD pipelines, Terraform, Ansible
• Data: PostgreSQL, MySQL, MongoDB, Cassandra

What we’re looking for

• 10+ years of professional software engineering experience.
• Strong background in system architecture and SaaS platform design.
• Hands-on experience with Angular in production environments.
• Solid backend engineering experience with one or more of Java, C#, or Python.
• Deep cloud and microservices experience.
• Strong DevOps mindset with real-world production experience.
• Experience operating in regulated or data-sensitive environments.
• Excellent communication skills and the ability to influence technical direction without people management.