Senior Mobile Developer (Android & iOS)

Square One Resources Sp. z o.o.; Warszawa; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading telecommunications and IT company in Poland is looking for a Developer to work on innovative solutions in web hosting and cloud computing. The role involves supporting both iOS and Android development teams, requiring solid experience in Swift, Java, and Kotlin. Candidates should be familiar with modern mobile technologies and UI frameworks. This long-term remote project offers the opportunity to work with cutting-edge technologies.

Qualifications

• Solid experience with Swift, Java, and Kotlin.
• Strong knowledge of MVVM / MVC architecture.
• Hands-on experience with declarative UI like SwiftUI and Jetpack Compose.

Responsibilities

• Analyze requirements and develop technical solutions.
• Implement user stories and tasks, including tests.
• Support refinement process and assess UX feasibility.
• Conduct code reviews, fix bugs, modularize code.
• Work across both iOS and Android teams.

Skills

Swift

Java

Kotlin

MVVM

MVC

SwiftUI

Jetpack Compose

Job description

You will join a telecommunications and IT company, working on innovative solutions in web hosting, cloud computing, and internet services. The role involves supporting both iOS and Android teams to ensure smooth development flow, filling in when needed to maintain delivery speed. The project is long-term, remote, and offers the opportunity to work with modern mobile technologies, architectures (MVVM/MVC), and UI frameworks (SwiftUI, UIKit, Jetpack Compose).

Your responsibilities

• Analyze requirements and develop technical solutions
• Implement user stories and tasks, including tests
• Support refinement process and assess UX feasibility
• Conduct code reviews, fix bugs, modularize code
• Work across both iOS and Android teams

Our requirements

• Solid experience with Swift, Java, Kotlin
• Strong knowledge of MVVM / MVC
• Hands-on with declarative UI (SwiftUI, Compose)
• Comfortable working on both iOS and Android projects
• Languages: Swift, Java, Kotlin (+ ~15% Objective-C in iOS)
• UI: SwiftUI, UIKit, Jetpack Compose
• iOS: SPM modularization, CoreData, Firebase, KeychainAccess, Lottie, Charts, AppDynamics, Tealium