Senior UI Engineer (Objective-C/C++)

TL;DR

Senior UI Engineer (Objective-C/C++): Building and optimizing high-performance, elegant user interfaces for the Affinity product suite with an accent on native macOS and iOS integration. Focus on architectural contributions, performance optimization, and delivering pixel-perfect UI components for professional creative software.

Location: Must be based in or able to work from the London office (Hybrid)

Company

Canva is a global design platform empowering everyone to create professional-quality visual content.

What you will do

• Build high-performance, elegant UIs using C++ and Objective-C.
• Contribute to architectural decisions across shared libraries and components.
• Optimize code for responsiveness, memory usage, and performance.
• Develop UI that feels native to macOS and iOS, supporting mouse, touch, and stylus inputs.
• Debug and improve complex systems within the Affinity product suite.
• Collaborate with design and QA teams to deliver pixel-perfect implementations.

Requirements

• Several years of professional experience in Objective-C and C++.
• Hands-on iOS or macOS development experience with strong knowledge of Xcode.
• Strong GUI development skills for Mac and iOS with a focus on usability.
• Solid foundation in object-oriented design and design patterns.
• Clear communication skills and ability to solve complex technical problems.
• Must be able to work from the London campus.

Nice to have

• Experience with vector, DTP, or imaging applications.

Culture & Benefits

• Equity packages to share in company success.
• Inclusive parental leave policy.
• Annual Vibe & Thrive allowance for wellbeing and office setup.
• Flexible leave options to support personal recharge and work-life balance.
• Access to a vibrant office environment with catered food and collaborative workspaces.