Senior Mobile Application Developer

Solid-ICT; Ataşehir; On-site; TRY 200,000 - 320,000; Full time

Job summary

Solid-ICT in Turkey is seeking a Senior Mobile Application Developer with strong Android experience and solid iOS development. You will own features across both platforms and contribute to Jetpack Compose transition.

You will design, develop, test, and maintain high-quality apps for global multilingual users, collaborate with UX/UI, backend, and product teams, and stay current with Android and iOS trends. This role requires leadership in Scrum teams and on-call rotation.

Qualifications

• Bachelor's or Master's in CS or related field.
• 7+ years Android development; 3+ years native iOS with Swift.
• Strong Kotlin skills and Jetpack Compose knowledge.
• Solid knowledge of iOS SDK, UIKit, SwiftUI, and MVVM/VIPER/Clean Architecture.

Responsibilities

• Develop and maintain Android apps using Kotlin with hands-on iOS Swift as needed.
• Contribute to transition to Jetpack Compose.
• Build apps with MVVM (and VIPER/Clean Architecture on iOS).
• Collaborate with UX/UI, backend and product teams.
• Participate in on-call rotation and code reviews.

Skills

Android development (Kotlin)

iOS development (Swift)

Jetpack Compose

MVVM architecture

VIPER/Clean Architecture

RESTful APIs / JSON

Git / CI-CD (Jenkins, GitHub Actions,

Education

Bachelor's or Master's in Computer Science, Software Engineering, or related field

Tools

Xcode

Jenkins

GitHub Actions

Fastlane

XCTest / XCUITest

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.
• 7+ 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.