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Programista / Programistka iOS
Build and maintain iOS apps for a healthcare provider, focusing on user experience, automated testing, and a shared iOS Design System using Swift, UIKit/SwiftUI, and MVVM.
Android Developer _ Michał Białas
Build and maintain a high-scale Android app in Kotlin for a logistics and e-commerce platform serving millions across Europe, using Jetpack Compose, MVVM, and CI/CD pipelines.
Android Developer – Plano, TX / Columbus, OH
Designs, builds, and maintains Android apps using Java/Kotlin and MVVM architecture, integrating REST APIs and Android SDK for a 12-month contract role.
Senior Mobile Developer
Build and maintain iOS and Android mobile apps using Swift/SwiftUI and Kotlin/Jetpack Compose, applying modern architectures like MVVM and VIPER.
Android Developer
Build and maintain Android apps for a government systems contractor using Java/Kotlin, MVVM, and UI best practices.
Intermediate IOS Developer New Campinas, São Paulo, Brazil
Build and maintain BEES’ global iOS app using Swift and SwiftUI, ensuring clean architecture, testing, and seamless B2B commerce experiences for retailers worldwide.
Android Developer, Campinas, Brazil (on-site)
Build and maintain Android apps for a major U.S. investment client using Java/Kotlin, Jetpack Compose, and modern testing and CI/CD pipelines.
Software Engineer - iOS
Build and maintain large-scale iOS apps using Swift/SwiftUI, integrate REST APIs and third-party SDKs, and work in a collaborative engineering culture.
Lead, Software Engineer Android
Build and refine the Android driver app using Kotlin and Jetpack Compose, adding features like GPS tracking and Bluetooth integration while collaborating with backend teams.
Full stack AI Developer
Build full-stack AI applications using .NET, C#, React/Next.js, and Node.js, integrating LLMs with RAG, vector search, and tool-calling for scalable business automations.
Mid Android Developer
Build and maintain Android apps using Kotlin, Jetpack Compose, and modern Android architecture; collaborate with clients and cross-functional teams.
Senior Software Engineer
Senior Software Engineer builds and optimizes Flutter-based mobile apps integrated with native iOS/Android, using Swift/Kotlin and REST APIs for a Canadian ecommerce retailer.
Android Developer/Ankara
Leads a team building large-scale Android apps in Kotlin, using Jetpack Compose, MVVM, and Clean Architecture while mentoring engineers and shaping technical standards.
Senior Mobile Application Developer
Build and maintain Android apps in Kotlin and contribute to iOS features in Swift, migrating to Jetpack Compose while ensuring clean, scalable code and pixel-perfect UI across a global user base.
Senior Android Developer
Build and ship Android apps using Kotlin, Jetpack Compose, and modern Android architecture; mentor junior developers and review code.
Senior iOS Engineer – Learning Experience (all genders)
Build and own core iOS learning experiences for Babbel’s AI-first language-learning platform using Swift, SwiftUI, and modern concurrency, shipping a distributable Swift package consumed by the main app.
SENIOR SOFTWARE ENGINEER
Build and maintain cross-platform mobile apps for Android and iOS using .NET MAUI, collaborating with designers and backend teams to deliver polished user experiences.
Senior Software Engineer (iOS)
Builds and maintains Diligent’s iOS apps using Swift/SwiftUI, integrates AI features, and collaborates with global teams to ship secure, scalable governance software.
Expert Android Consultant
Build and maintain the Android app for one of Poland’s largest mobile banking platforms using Kotlin, MVVM, Clean Architecture, and modern Android tooling.