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

TL;DR

Senior UI Engineer (Objective-C/C++): Building high-performance, elegant UIs for the Affinity product suite with an accent on responsiveness, memory usage, and native macOS/iOS feel. Focus on optimizing code for mouse, touch, and stylus inputs, and contributing to architectural decisions across shared libraries.

Location: Hybrid in London, UK

Company

A global design platform redefining how the world experiences design through intuitive creative software applications.

What you will do

• Develop 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 overall performance.
• Build native-feeling interfaces for macOS and iOS, supporting mouse, touch, and stylus inputs.
• Debug and improve complex systems across the Affinity product suite.
• Collaborate with design and QA to deliver pixel-perfect UI implementations.

Requirements

• Several years of professional experience in Objective-C and C++.
• Hands-on iOS or macOS development experience with strong knowledge of Xcode.
• Proven ability to build high-quality, maintainable applications.
• Strong GUI development skills for Apple platforms with a focus on usability.
• Solid foundation in object-oriented design and design patterns.
• Must be based in or able to work hybrid from London, UK.

Nice to have

• Experience with vector, DTP, or imaging applications.

Culture & Benefits

• Equity packages for employees.
• Inclusive parental leave policy for all parents and carers.
• Annual Vibe & Thrive allowance for wellbeing, social connection, and office setup.
• Flexible leave options to support personal recharge and social good.
• Flexible work arrangement allowing a balance between office and remote work.