Senior UI Engineer - Objective-C/C++ (iOS/macOS) - Affinity

Canva is seeking a Senior UI Engineer to join the Affinity team, focusing on developing high-performance, elegant user interfaces for iOS and macOS applications. This role involves building UIs in C++ and Objective-C, contributing to architectural decisions, and optimizing code for responsiveness and performance. The position is based in London, United Kingdom, with flexibility in work arrangements to empower team members to achieve their goals.

Key responsibilities include building high-performance UIs in C++ and Objective-C, contributing to architectural decisions across shared libraries and components, optimizing code for responsiveness and performance, ensuring the UI feels native to macOS and iOS across various input methods, debugging and improving complex systems within the Affinity product suite, collaborating with design and QA teams to deliver pixel-perfect implementations, and continuously learning to keep pace with Apple's evolving frameworks.

The ideal candidate will have several years of experience in Objective-C and C++, hands-on iOS or macOS development experience with strong knowledge of Xcode, a proven ability to build high-quality, maintainable applications, strong GUI development skills for Mac and iOS with a focus on usability and performance, a solid foundation in object-oriented design and design patterns, experience with vector, DTP, or imaging applications (a plus), high attention to detail and pride in writing clean, reliable code, and clear communication skills with a passion for learning, collaboration, and solving complex problems.

Canva offers equity packages to share in the company's success, an inclusive parental leave policy supporting all parents and carers, an annual Vibe & Thrive allowance to support wellbeing, social connection, and office setup, and flexible leave options to empower employees to recharge and support personal needs.