Senior iOS Engineer

Senior iOS Engineer

Ciklum

Remote, Poland

About the role:

As a Senior iOS Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. You will work alongside other iOS developers, web engineers, Ui/Ux designers, and data scientists and will be a key driver in shaping mobile experiences. This is a "full ownership" role where you will participate in every step of the process: from ideation and design to architecture, deployment, and maintenance. In this environment, you will have a direct influence on technological choices and the technical direction of the mobile product.

Responsibilities:

• Full Ownership Development: Work in a cross-functional team alongside Product, Design, and Data Science to build and maintain high-impact features;
• Architectural Leadership: Lead the technical direction of the iOS app through the adoption of best practices, SOLID principles, and modern tooling;
• Quality & Testing: Take full responsibility for code quality, maintaining high unit test coverage and implementing functional tests;
• Reactive Programming: Design and implement complex features and dynamic views using Swift;
• Performance & Monitoring: Proactively monitor app performance and stability and troubleshoot complex issues;
• Collaborative Design: Work closely with the UX/UI team, to ensure designs are ready for development and meet high accessibility standards;
• Mentoring: Inspire and coach less experienced colleagues, fostering a culture of technical excellence and constructive feedback.

Requirements:

• 5+ years of professional experience in iOS development with a proven track record of shipping Swift-based applications;
• Mastery of Swift and component-based UI development (SwiftUI);
• Experience with Reactive Programming (Combine);
• Deep expertise in integrating complex RESTful APIs, SDKs, and handling rich media/push notifications;
• Extensive experience in XCTest and XCUITest;
• Inclusive Design: Solid knowledge of VoiceOver, text-size scaling, and building accessible UIs for a global audience;
• Localization: Experience developing multi-language UIs with dynamic views;
• Understanding of the iOS build process and app configuration, and experience integrating with CI/CD pipelines;
• Knowledge of SOLID principles and high-level engineering practices.

Desirable:

• Cross-platform experience: Familiarity with Kotlin or React Native;
• Android knowledge: While we don't have an Android app yet, experience in this area is a plus;
• Experience with Proof of Concept (POC) development for new features;
• Prior experience with performance monitoring tools like Sentry;
• Experience with TDD.