Principal Software Engineer, Platform

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Software Engineer, Platform based in Canada.

This is a senior technical leadership role focused on defining and scaling frontend engineering excellence across a modern, fast-growing SaaS organization. You will establish the “golden path” for frontend development, shaping architecture, standards, and systems that enable teams to deliver high-quality products at speed. The role blends hands-on engineering with strategic platform leadership, requiring deep expertise in frontend systems, developer experience, and large-scale web architecture. You will work closely with design systems, platform engineering, and AI developer experience teams to modernize how frontend code is built, tested, and deployed. A key part of the mission is enabling consistent, scalable patterns across teams while improving reliability, performance, and usability. This is a high-impact role where your decisions will shape engineering practices across the entire organization.

• Define and drive the organization-wide technical strategy for frontend engineering, including architecture, standards, and scalable patterns.
• Establish best practices for data layer design, state management, testing frameworks, build systems, and design systems.
• Partner with AI Developer Experience teams to build and improve AI-assisted frontend development workflows and feedback loops.
• Embed with engineering teams to solve complex technical problems, spending significant time in hands-on development.
• Drive platform-wide operational excellence initiatives, including metrics, tooling standards, and engineering consistency.
• Influence technical strategy and decision-making across product and platform teams through clear communication and leadership.
• Collaborate with design systems, frontend platform, and product engineering teams to deliver shared, reusable solutions.
• Mentor and coach engineers, elevating frontend engineering practices and architectural maturity across the organization.

Requirements:

• Expert-level proficiency in JavaScript and modern frontend frameworks and ecosystems.
• Strong experience building scalable frontend architectures, including GraphQL-based data layers.
• Deep understanding of testing strategies, accessibility standards, localization, build systems, and performance optimization.
• Proven ability to lead organization-wide technical initiatives and influence engineering direction at scale.
• Strong balance of hands-on engineering and strategic architectural thinking.
• Experience building developer platforms, tools, or systems focused on developer experience.
• Ability to navigate ambiguity, prioritize high-impact work, and operate effectively in complex environments.
• Excellent communication skills with experience influencing both engineering teams and executive stakeholders.
• Strong collaboration and relationship-building skills across cross-functional teams.
• Openness to using AI tools to enhance productivity and engineering effectiveness.

Benefits:

• Competitive industry-aligned salary with equity participation.
• Comprehensive medical, dental, and vision coverage with dependent support.
• Pension contributions and long-term financial planning support.
• 16 weeks fully paid parental leave for all new parents.
• Health and wellness stipend to support physical and mental well-being.
• Home office, internet, and communication stipends for remote work.
• Flexible working hours and remote-first work environment.
• 21 days of vacation plus 80 hours of sick leave annually.
• 11 paid company holidays and regular company-wide events and learning sessions.