Senior Staff iOS Engineer - Poland / Remote

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Requirements:

• 8+ years of professional iOS development experience, with deep proficiency in Swift and SwiftUI.
• Demonstrated experience implementing and optimizing solutions that leverage complex networking (HTTP/S, DNS, VPN/WireGuard) and security measures.
• Knowledge and experience shaping requirements and interfaces with backend service teams.
• Strong familiarity with Network Extensions, Web Extensions, URLSession, and Core Data, as well as advanced performance optimization.
• Commitment to maintaining a high bar for code quality with unit tests (XCTest) and adherence to Apple’s guidelines.
• Excellent ability to translate technical concepts, provide mentorship, and maintain collaborative relationships.
• Passionate about app performance, logging, analytics, monitoring, and system health.
• Able to work directly with product and UX to prototype, test, and develop concepts.

Responsibilities:

• Design and implement high-quality iOS features using Swift, SwiftUI, Combine, and modern architectures.
• Build sophisticated solutions that integrate with network protocols (HTTP/S, DNS, VPN/WireGuard) and Web Extensions.
• Continuously improve app performance, scalability, and stability through proactive optimization and rigorous testing.
• Collaborate with engineers, Product Managers, UI/UX Designers, and cross-functional leaders to drive strategic alignment.
• Guide senior developers in their technical expertise and drive high-impact code review processes.
• Lead the adoption of evolving Apple frameworks, guidelines, and best practices.