Senior Mobile Application Developer

Solid-ICT; Ataşehir; On-site; TRY 150,000 - 230,000; Full time

Job summary

Solid-ICT in Turkey is seeking a Senior Mobile Application Developer with strong Android Kotlin expertise and hands-on iOS Swift experience to own cross‑platform features within a global team.

You will contribute to the Jetpack Compose transition, design and maintain scalable Android and iOS applications, collaborate with UX/UI, backend and product teams, and ensure high performance and pixel-perfect UI across languages and regions.

Qualifications

• 8+ years of Android application development experience.
• 3+ years of native iOS development with Swift.
• Proficient in Kotlin with Jetpack Compose.
• Strong knowledge of iOS SDK, UIKit, SwiftUI; MVVM/VIPER/Clean Architecture.
• Experience with RESTful APIs, JSON, Alamofire, and automated testing.
• Experience with multi-layered architectures and large development teams.
• Familiarity with Git/CI-CD tools.
• Experience with Agile/Scrum.
• Excellent communication and collaboration skills.

Responsibilities

• Develop and maintain Android apps using Kotlin, with iOS in Swift as needed.
• Contribute to the team's transition to Jetpack Compose.
• Build apps using MVVM and architecture patterns.
• Design, develop, test, and maintain cross-platform applications.
• Collaborate with UX/UI, backend, and product teams for seamless solutions.
• Optimize performance and pixel-perfect UI/UX.
• Collaborate with a large team and participate in Scrum workflows.
• Participate in on-call rotation and code reviews.
• Share knowledge and participate in technical interviews.
• Stay updated with Android and iOS trends and best practices.

Skills

Android

Kotlin

Swift

MVVM

Agile/Scrum

REST APIs

Git CI/CD

Education

Bachelor's or Master's in CS/Software Engineering

Tools

Jetpack Compose

UIKit

SwiftUI

Alamofire

XCTest

XCUITest

Jenkins

GitHub Actions

Fastlane

Job description

We're looking for a Senior Mobile Application Developer with strong Android expertise and solid iOS development experience to join our mobile team. You'll take ownership of features across both platforms, contribute to our Jetpack Compose transition, and help maintain high-quality, scalable applications used by a global, multilingual user base.

Responsibilities

• Develop and maintain Android applications using Kotlin, with hands-on contribution to iOS development in Swift as needed.
• Contribute to the team's transition to Jetpack Compose.
• Build applications using MVVM (and where relevant, VIPER/Clean Architecture on iOS) to ensure clean, maintainable, and scalable code.
• Design, develop, test, and maintain high-quality applications across Android and iOS.
• Optimize applications for multiple languages and regions.
• Collaborate with UX/UI, backend, and product teams to deliver seamless cross-platform solutions.
• Optimize performance, responsiveness, and ensure pixel-perfect UI/UX.
• Collaborate with a large development team and contribute to Scrum methodology workflows.
• Participate in the on-call rotation system.
• Conduct code reviews, actively participate in technical interviews, and share knowledge with the team.
• Stay current with Android and iOS trends and best practices.

Qualifications

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• 8+ years of experience in Android application development; 3+ years of hands-on experience developing native iOS applications with Swift.
• Strong expertise in Kotlin, with solid knowledge of Jetpack Compose.
• Strong knowledge of iOS SDK, UIKit, SwiftUI, and modern architectural patterns (MVVM, VIPER, Clean Architecture).
• Solid understanding and hands-on experience with MVVM architecture.
• Hands-on experience with RESTful API's, JSON, Alamofire, and automated testing (XCTest, XCUITest) on iOS.
• Proven experience working with multi-layered architectures and large development teams; track record in high-traffic, large-scale mobile applications.
• Proficiency with Git/CI-CD tools (Jenkins, GitHub Actions, Fastlane).
• Experience with global, multilingual application development.
• Familiarity with Agile/Scrum workflows.
• Excellent communication, problem-solving, and interpersonal skills — comfortable collaborating across large, cross-functional teams.
• A proactive and collaborative approach to technical challenges and team dynamics.