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I need a seasoned Android developer to create a multilingual mobile app built primarily with Kotlin. Dynamic language switching is central to the project, so users must be able to move from one language to another instantly without restarting the app. While performance and scalability matter, the top-line priority is a polished, intuitive UI/UX that feels native in every supported language. The codebase should reflect current Android best practices—proper architecture components, clear separation of concerns, and thoughtful use of coroutines or similar techniques for smooth performance. If Jetpack Compose fits naturally into a Kotlin workflow I’m happy to consider it, but the core requirement is clean, idiomatic Kotlin throughout. To keep the product maintainable, please structure resources so new translations can be dropped in with minimal refactoring. The finished build should run efficiently on a wide device range, handle orientation changes gracefully, and meet Play Store guidelines from day one. Deliverables • Production-ready APK and full source code in a Git repository • Brief setup guide and notes on how to add or update language resources • UI/UX designs (wireframes or mock-ups) that reflect the final build • One revision cycle after initial handoff to iron out translation or layout issues Acceptance criteria • Language can be switched from settings in-app with the new locale applied instantly • All visible text surfaces through string resources—no hard-coded copy • Startup time under two seconds on a mid-range device • No critical or major issues flagged by Android Studio’s lint inspections Please share links or APKs of past multilingual apps you’ve shipped, note any design awards or recognitions for UI work, and give me a realistic timeline from kickoff to store-ready release. I value clear, proactive communication and on-time delivery, and I’m ready to start as soon as I find the right fit.
Projektin tunnus (ID): 40332835
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Aktiivinen 16 päivää sitten
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79 freelancerit tarjoavat keskimäärin $511 USD tätä projektia

Hello, Regarding your project i need to discuss features of the app in detail. i am mobile applications developer and i have more than 8 years of experience developing mobile apps. i have done more than 510+ projects either local or internet based. i am confident i will provide you quality work on time. Let's chat to connect
$500 USD 7 päivässä
8,9
8,9

Hi there, I’ve read your multilingual Kotlin Android app brief and I’m confident I can deliver a native-feeling, instantly switchable language experience with clean architecture, coroutine-backed flows, and a modern Kotlin codebase. I’ll implement dynamic locale switching that applies instantly across all UI without restart, ensure resources are structured for easy translations, and use components like ViewModel, LiveData/Flow, and optional Jetpack Compose where it fits best. The app will be production-ready: fast startup, robust state handling on orientation changes, and a scalable resource strategy that supports new languages with minimal refactoring. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. What is your preferred approach for testing instant locale switching across all screens and dialogs (e.g., automated UI tests or a curated device matrix) to ensure zero flicker or layout shifts during language changes? Best regards, Asad - Start with a mentalist-style hook that shows deep understanding of the client’s hidden pain point or goal.
$250 USD 10 päivässä
8,2
8,2

HELLO, WE HAVE WORKED ON SIMILAR MULTILINGUAL AND HIGH-PERFORMANCE ANDROID APPS AND CAN PROVIDE EXAMPLES. WE COMPLETELY UNDERSTAND YOUR REQUIREMENT FOR A KOTLIN-BASED MOBILE APP WITH DYNAMIC LANGUAGE SWITCHING, SMOOTH PERFORMANCE, AND POLISHED UI/UX. WITH OVER 10+ YEARS OF EXPERIENCE IN ANDROID DEVELOPMENT, I CAN DELIVER: WORKFLOW → Requirement Analysis → finalize languages, app flows, and architecture UI/UX & Design → Jetpack Compose or XML layouts, polished and native-feel interfaces Multilingual Setup → instant in-app locale switching, structured string resources for easy translation addition Performance & Testing → coroutines, clean architecture, orientation handling, Play Store compliance Handoff & Documentation → full source code, setup guide, and one revision cycle I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND GIVE ASSISTANCE FROM ZERO TO PUBLISHING ON THE STORE. I EAGERLY AWAIT YOUR POSITIVE RESPONSE. THANKS
$400 USD 7 päivässä
8,4
8,4

Hi there To build a multilingual Android app where language switching feels instant and native, the most critical part is structuring the app around clean state management and a localization-ready architecture from day one. I’ll approach this by building the app in idiomatic Kotlin with modern Android architecture, clear separation of concerns, and a UI layer designed to handle in-app locale changes smoothly without restart friction. That means I’m focused not just on making translations appear, but on keeping the experience polished across screens, orientations, and device sizes. My process is simple: define the resource and language-switching model first, build the UI and app flow with clean Kotlin patterns, then validate performance, layout behavior, and Play Store readiness before handoff. I’m ready to begin with the app structure and multilingual UI design immediately..
$500 USD 7 päivässä
7,0
7,0

Hi there, I have read your project requirement. You need a Kotlin-based multilingual Android app with instant language switching, strong UI/UX, and a clean, scalable architecture. We will build the app using Kotlin with MVVM architecture, Jetpack Compose for modern UI, and Android’s localization framework with dynamic locale switching (without app restart). All text will be managed via string resources with a modular structure for easy addition of new languages. Coroutines and best practices will ensure smooth performance, fast startup, and scalability across devices. Questions: =========== Which languages do you want to support initially? Do you have UI/UX designs ready or should we design from scratch? Any RTL language support required (Arabic, Hebrew)? Do you need backend/API integration or is this a standalone app? Best Regards, Srashtasoft Team
$500 USD 7 päivässä
7,1
7,1

With over a decade of experience in full stack development, I am well-versed in languages that range from Android to PHP, and from React Native to Flutter which suggests that I will be able to tackle this project with both expertise and versatility. I have a strong background in building clean, efficient applications, and my extensive familiarity with various CMS platforms like WordPress and Shopify grants me the ability to ensure your multilingual app has a backend structure that allows for seamless updates and scalability. Given the importance of UI/UX design for this project, I must emphasize my prowess in this area as well. My outstanding track record includes receiving recognition and awards for my designs, which would undoubtedly work wonders for your app's look-and-feel across all supported languages. Besides, my team comprising gifted professionals skilled in UI/UX, graphics design, and 3D/CAD modeling solidify us as the one-stop solution for all aspects of the project. Moreover, I am a firm believer in transparent communication and on-time delivery; virtues that are crucial in project management.
$250 USD 7 päivässä
7,0
7,0

Hello! As per your project post, you’re looking to build a Multilingual Android App in Kotlin, focusing on dynamic language switching, polished native UI/UX, and maintainable code. The goal is to deliver an intuitive, performant, and scalable app where users can instantly switch languages without restarting, while keeping the interface seamless and fully responsive across all device orientations. My focus will be on delivering a robust Android app featuring: instant language switching, clean Kotlin code with proper architecture components, clear separation of concerns, efficient coroutine usage for smooth performance, structured resource management for easy addition of new translations, orientation-aware layouts, and full Play Store compliance. I specialize in Kotlin-based Android development, leveraging Jetpack components and modern architecture patterns to deliver scalable, maintainable, and high-performing applications. My focus will be on creating a multilingual app that feels natural, fluid, and polished for all users. Let’s connect to discuss target languages, preferred UI design considerations, and the core flows so we can finalize development approach and milestones. Best regards, Nikita Gupta.
$300 USD 22 päivässä
6,6
6,6

Hi! I understand you need a Kotlin-based Android app with smooth, instant multilingual switching, clean architecture, and polished, native-feeling UI/UX. I’ve built several production-ready multilingual apps with Jetpack Compose and architecture components, focusing on performance, maintainability, and seamless locale updates without restarts. I can structure your string resources for easy future translations and deliver a clean, lint-free codebase along with APK, Git repo, and setup notes. Looking forward for your positive response in the chatbox. Best Regards, Arbaz M
$500 USD 3 päivässä
6,5
6,5

As the CEO of Web Crest and a seasoned developer with over 10 years of experience, I am confident that my team and I are equipped to deliver a polished, multilingual Android app exactly in Kotlin as per your project description. We have a solid foundation in dynamic language switching, appreciating how crucial it is for users to seamlessly transition between languages without restarting the app. Our projects always reflect the latest best practices of Android development, ensuring proper architecture components, clean separation of concerns, and skillful use of coroutines or similar techniques. Resource structuring to facilitate easy addition or updates for new translations is something we implement diligently in our designs. We prioritize an efficient performance on a wide range of devices, graceful handling of orientation changes, and compliance with all Play Store guidelines right from the start. Having faced no critical or major issues with Android Studio's lint inspections in any previous projects, we're confident we can exceed your expectations in this regard as well. Our extensive portfolio also includes successful delivery of multilingual apps on which we could provide you screenplay proofs. Moreover, our commitment to clear communication and proactive delivery will ensure that your project is delivered right on schedule.
$500 USD 3 päivässä
6,6
6,6

Hii there, I’m offering a 30 percent discount for this project and would be glad to assist you in developing a multilingual Android app in Kotlin. With experience in Android development and localization, I can create an app that supports multiple languages seamlessly, providing a smooth experience for users across regions. I will structure your app for easy language switching, dynamically load content, and ensure proper handling of RTL and LTR layouts where needed. The app will be fully responsive, optimized for performance, and maintainable so additional languages can be added in the future without hassle. As a dedicated freelancer, I prioritize attention to detail, clear communication, and delivering high-quality, scalable Android applications. I am confident that I can build your multilingual Kotlin app efficiently and reliably. Kind regards, Sohail Jamil
$250 USD 1 päivässä
6,8
6,8

Hello There!!! ★★★★ (Building a Kotlin Android app with instant multilingual switching and smooth native UX) ★★★★ Project understanding: You need a Kotlin-based Android app with seamless dynamic language switching, polished UI/UX, and clean, idiomatic code. It should follow best practices, perform well across devices, and allow new translations with minimal effort. ⚜ Multilingual Android app development in Kotlin ⚜ Instant in-app language switching ⚜ Jetpack Compose or native UI implementation ⚜ Clean architecture with separation of concerns ⚜ Smooth performance using coroutines ⚜ Resource structuring for easy translation updates ⚜ Testing across devices and Play Store compliance I’ve delivered multilingual Kotlin apps with intuitive UI and maintainable code. I’ll ensure your app runs fast, handles orientation changes, and comes with setup notes and one revision cycle. Let’s create this app efficiently and get it Play Store-ready. Warm Regards, Farhin B.
$256 USD 10 päivässä
6,7
6,7

Hi there, The risk here isn't the translation—it’s the "UI Reconstruction." Where most multilingual apps fail is requiring an Activity restart to apply a new locale, which wipes the user’s current state. I build using a CompositionLocal observer pattern that triggers an instant UI refresh, ensuring a seamless language swap without losing a single scroll position or form entry. My "Idiomatic Kotlin" Micro-Strategy: Jetpack Compose + Flow: I’ll utilize a reactive UI layer where every component "observes" the locale state and re-renders instantly without flickering. Clean Architecture (MVVM): Using Coroutines for asynchronous resource loading to ensure a startup time of under 2 seconds on mid-range devices. Zero Hard-Coding: I’ll implement a strict Lint Check to ensure 100% of copy resides in strings.xml. I'll also handle "text expansion" (common in German/Croatian) to prevent layout breakage. Dynamic Scaling: Structured Git repository allowing you to drop in new .xml translation files with zero code refactoring. The "Unfair Advantage": I don't just deliver an APK; I deliver a Scalable Framework. I’ll ensure the build meets all 64-bit and target SDK Play Store guidelines from Day 1. Elite Question: Do you have the translations ready in a spreadsheet, or should I integrate a localization platform like Phrase for easier real-time management? Best Regards, Waqas Ahmad
$500 USD 7 päivässä
6,1
6,1

Hi, I’m a seasoned Android developer with 6+ years of experience building Kotlin apps with clean, maintainable architectures and polished UI/UX. I can develop your multilingual app with dynamic, instant language switching, following Android best practices using Architecture Components, coroutines, and optionally Jetpack Compose for a smooth, native experience. All text will be sourced from string resources for easy translation, and the app will handle orientation changes, perform efficiently across devices, and meet Play Store guidelines. You’ll receive a production-ready APK, full source code in a Git repository, setup notes for adding languages, and one revision cycle to finalize translations or layouts. I prioritize clear communication and on-time delivery to ensure your app is store-ready efficiently. Best regards Asim
$500 USD 4 päivässä
5,7
5,7

Having spent over seven years crafting top-tier mobile apps for a variety of businesses, I am confident that I have the skillset and experience necessary to bring value to your multilingual Android app project. My deep knowledge of Kotlin, Java, and the Android SDK combined with my proficiency in using Jetpack libraries such as ViewModel, LiveData, Navigation and Room would lend itself ideally to your need for clean, idiomatic Kotlin codebase and efficient resource handling. I understand the importance of a strong UI/UX for attracting and retaining users from all linguistic backgrounds hence I take special care in creating native experiences across languages. Moreover, my expertise in working with REST APIs (Retrofit, OkHttp), Firebase (Authentication, Firestore, Realtime DB, FCM Push Notifications) along with incorporating top-tier designs can be instrumental in creating an exceptional app for you.
$350 USD 21 päivässä
5,5
5,5

hi! i have reviewed the details of your project and i can do this!!. we have handled similar projects successfully, and I am confident we can deliver high quality results for you. we prefer clear communication and regular updates so that the project progresses smoothly and meets your expectations. let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in the chat to show relevant examples of our past work. looking forward to your response. mughiraa
$500 USD 7 päivässä
5,6
5,6

Hello, I am Vishal Maharaj, a seasoned Android developer with 20 years of experience in PHP, Software Architecture, Android, Agile Development, Git, Android SDK, Kotlin, and Mobile App Development. I have carefully reviewed your project requirements. To create the multilingual Android app in Kotlin, I will focus on implementing dynamic language switching without app restarts, following Android best practices, and ensuring a polished UI/UX experience. I will prioritize clean, idiomatic Kotlin coding, efficient resource structuring for easy translations, and adherence to Play Store guidelines. I am confident in delivering a production-ready APK, comprehensive source code, setup guide, UI/UX designs, and necessary revisions for a seamless multilingual app experience. Let's discuss further to kickstart this project. Cheers, Vishal Maharaj
$500 USD 5 päivässä
5,1
5,1

Hello, I went through your project description and it seems like that I am a great fit for this job. I have an expert team with many years of experience in PHP, Mobile App Development, Android, Software Architecture, Agile Development, PhoneGap, Git, App Design, Kotlin, Android SDK. Lets connect in chat so that we discuss further. Regards
$500 USD 7 päivässä
4,4
4,4

Hello, I’ve reviewed your project, Multilingual Android App in Kotlin, and I’m genuinely interested. With my experience, I’m confident I can complete it efficiently and to a high standard. I fully understand your goals and the direction of this project. My focus will be on accuracy, quality, and efficiency throughout the process. I am committed to delivering an outcome that meets and exceeds your expectations. I’m a Senior Software Engineer specialising in PHP, Git, Software Architecture and solution design. Over the years, I’ve completed comparable projects that required careful analysis and technical precision. I focus on delivering results that are both technically sound and aligned with client expectations. I have a few questions before we get started. Could you please send me a message in the chat so we can discuss the details? Thanks, Dax Manning
$600 USD 7 päivässä
4,3
4,3

Hello, I reviewed your requirement and understand you need a multilingual Android app in Kotlin with dynamic language switching, polished native UI/UX, and maintainable architecture for future translations. I am a Kotlin/Android developer with 8+ years of experience building high-performance mobile apps, including multilingual solutions with instant locale changes, Jetpack Compose UI, and clean architecture using coroutines for smooth performance. I focus on scalability, Play Store compliance, and responsive design across devices and orientations. Your app will allow users to switch languages instantly via in-app settings, with all text in string resources, startup under 2 seconds, and fully lint-compliant code. I will deliver a production-ready APK, complete source code, setup guide for adding languages, and UI/UX designs, along with one revision cycle for translation/layout adjustments. I can provide examples of shipped multilingual apps with clean design and user-friendly interfaces, and I am ready to start immediately to deliver a high-quality, store-ready build. Thanks, Sukrati
$250 USD 7 päivässä
3,5
3,5

Hi there, I've taken a close look at your project for a multilingual Android app in Kotlin, and I'm confident I can deliver a high-quality solution. You're looking for a polished, intuitive UI/UX that supports dynamic language switching, and I understand the importance of getting this right. With my background in Android development and experience with Kotlin, I'm well-versed in creating apps that meet current best practices, including proper architecture components and clear separation of concerns. My approach would involve starting with a thorough review of your requirements to ensure I fully understand your vision, and then moving on to design and development. I'd focus on creating a seamless user experience, with instant language switching and a native feel in every supported language. Let's discuss your project further - I'd like to explore how I can bring your vision to life, and answer any questions you may have about my approach.
$250 USD 7 päivässä
3,9
3,9

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