Senior iOS Developer

🏢 IO Connect Services · all IO Connect Services jobs
📍 Mexico
📅 Posted 2026-08-30 · via Himalayas
🏷 iOS-Development,Mobile-Development,Software-Engineer,IOS-Engineering,Mobile-Engineering,Senior-IOS-Developer,Senior-IOS-Engineer,Senior-Mobile-Developer,Senior-Mobile-App-Developer,Senior-Mobile-Development,Senior-Mobile-Application-Developer-(IOS-Android),iOS-Developer
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We are looking for a Senior iOS Developer to join our team and help build high-quality, scalable, and innovative mobile applications. As a senior member of our development team, you will lead iOS projects, mentor junior developers, and collaborate with cross-functional teams to deliver top-tier mobile experiences.
Responsibilities

- Design, develop, and maintain advanced applications for iOS platform.

- Write clean, maintainable, and scalable code using Swift, SwiftUI and Obj-C.

- Collaborate with product managers, designers, and backend developers to define app requirements and user experiences.

- Ensure performance, quality, and responsiveness of applications.

- Work with APIs, message brokers, databases, and cloud services to integrate mobile applications with backend systems.

- Identify and resolve performance bottlenecks and bugs.

- Maintain up-to-date knowledge of iOS development best practices and emerging trends.

- Ensure applications comply with security and data privacy regulations.

Requirements

- 5+ years of experience in iOS application development.

- Proficient with Objective-C, Swift, SwiftUI, Combine, Cocoa Touch and UIKit.

- Categories/Protocols/Patterns (MVVM, MVC, Clean in iOS, Delegate/Protocol/etc).

- Proficiency in RESTful APIs, GraphQL, and third-party integrations.

- Unit and UI Testing code for robustness, including edge cases, usability, and general reliability

- Familiarity with CI/CD pipelines and version control (Git).

- Understanding of Apple’s design principles and interface guidelines.

- Experience in using swift package manager.

- Experience with performance and memory tuning with tools such as Instruments.

- Familiar with software development lifecycle (SDLC), programming design patterns and SOLID principles.

- Excellent problem-solving, communication, and leadership skills.

- Knowledge of security best practices for mobile applications.

Nice to have

- Experience with modularization and large codebases.

- Knowledge of Flutter or React Native for cross-platform development.

- Published apps on the Apple App Store.

- Experience in the Fintech industry and credit card payments systems.

Originally posted on Himalayas

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