Principal Software Engineer - Mobile Platform

Role Overview

Current Focus

• Set technical direction for the hybrid mobile platform across React Native, iOS, and Android.
• Decide what should be shared, what should remain native, and how the layers work together.
• Turn the architecture into shipped production code with performance, reliability, and observability foundations.
• Deliver a React Native surface in production within six months, supported by stable platform capabilities.
• Lead Staff and Senior engineers through the migration.
• Scale adoption across major product teams and establish trusted platform patterns.

Experience

• Experience building or significantly evolving a large-scale cross-platform mobile architecture in production.
• Experience leading a meaningful migration of a mature mobile product while it remained live and growing.
• Principal-level technical leadership across multiple teams and difficult architectural decisions.
• Organization-wide influence through platforms, standards, or technical direction adopted across multiple groups.
• Hands-on technical depth and comfort with difficult implementation details.
• Strong engineering judgment and ability to reason from first principles.

Technical Knowledge

• Shared-code runtimes, native boundaries, bundle delivery, and performance profiling on real devices.
• Deep fundamentals across both iOS and Android platforms.
• Mobile performance, reliability, crash monitoring, and optimization at scale.
• Shared capabilities, libraries, abstractions, and infrastructure used across multiple engineering teams.
• Engineering fundamentals including data structures, complexity, and system-level trade-offs.

Nice to Have

• Deep production experience with React Native and React internals.
• Rust or C/C++ experience for portable mobile libraries.
• Open-source contributions to React Native, Flutter, Kotlin Multiplatform, Expo, or the wider ecosystem.
• Mobile CI/CD experience with release trains and over-the-air updates at scale.
• Experience using AI tooling in engineering work.

About the Team

Benefits

• Equity packages, inclusive parental leave, an annual wellbeing and connection allowance, and flexible leave options.

Hiring Process

• Hiring decisions consider experience, skills, passion, and contribution to Canva and its culture.
• Interviews are conducted virtually.