Senior iOS Developer – FinTech Mobile Applications

The position is with a Warsaw-based client, a leader in the online banking industry providing innovative, secure, and user-friendly mobile banking solutions to a broad customer base.

• At least 4 years of experience in mobile development, including 2+ years dedicated to iOS.
• Strong proficiency in Swift (version 5+) and experience working with Xcode.
• Hands-on experience with version control systems like Git, Bitbucket, or GitHub.
• Deep understanding of object-oriented and protocol-oriented programming (OOP/POP).
• Knowledge of design patterns, especially MVVM.
• Practical familiarity with software engineering principles such as SOLID, YAGNI, KISS, DRY.
• Experience with SwiftUI and UIKit.
• Solid experience integrating apps with backend services through REST API and WebSocket.
• Experience with CI/CD tools such as Jenkins or TeamCity.
• Ability to write comprehensive automated tests including unit, snapshot, and UI tests.

Nice to have:

• Competencies in Android development.

• Develop and maintain iOS mobile applications using Swift and Xcode to ensure high-quality user experiences.
• Implement new features emphasizing performance, scalability, and usability.
• Apply architectural patterns such as MVVM to develop robust, maintainable applications.
• Integrate mobile apps with backend services using REST APIs and WebSockets for real-time data exchange.
• Write and maintain unit, snapshot, and UI tests to guarantee application reliability.
• Collaborate with backend developers and QA engineers to deliver innovative solutions.
• Participate in code reviews, uphold coding standards, and optimize development processes.
• Support CI/CD automation for smoother build and deployment workflows.

Only candidates with an existing legal right to work in the European Union will be considered for this role.