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Android Developer with 5+ years of experience in building, improving, and maintaining mobile applications. I specialize in Kotlin and modern Android development, including Jetpack Compose, XML, Coroutines, Room, Retrofit, Ktor, Dagger, Koin, Clean Architecture, MVVM, MVI, and MVP. I have experience with multi-module architecture, local data storage, REST API integrations, background services, CI/CD with GitHub Actions, Google Play publishing, debugging, refactoring, and performance improvements. I also have strong Android reverse engineering experience, including JADX, Smali, Frida, LSPosed, Charles Proxy, SSL pinning bypass, APK analysis, and modification. My goal is to deliver clean, stable, and maintainable solutions that are easy to scale and support.

I tell you directly what I can do for you: • 𝗵𝗶𝗴𝗵-𝗹𝗼𝗮𝗱 𝘀𝗲𝗿𝘃𝗲𝗿𝘀 that process massive data streams without breaking • 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲, 𝘁𝗲𝘀𝘁-𝗽𝗿𝗼𝘃𝗲𝗻 𝗰𝗼𝗱𝗲 (TDD is my default, not an afterthought) • 𝘃𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 ranging from low-level hardware communication (USB/WinAPI) to modern web apps • 𝗳𝗮𝘀𝘁, 𝗳𝘂𝗹𝗹-𝘁𝗲𝘅𝘁 𝘀𝗲𝗮𝗿𝗰𝗵 systems built on Elasticsearch that actually scale • 𝗱𝗲𝗰𝗼𝘂𝗽𝗹𝗲𝗱, 𝗿𝗲𝘀𝗶𝗹𝗶𝗲𝗻𝘁 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀 using Kafka for message brokering • 𝘀𝗲𝗰𝘂𝗿𝗲-𝗯𝘆-𝗱𝗲𝘀𝗶𝗴𝗻 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 where security is integrated, not bolted on • 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝗶𝘇𝗲𝗱 𝗲𝗻𝘃𝗶𝗿𝗼𝗻𝗺𝗲𝗻𝘁𝘀 (Docker/Kubernetes) that deploy predictably • 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗖𝗜/𝗖𝗗 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀 so you can ship features, not fight with scripts • 𝘀𝘁𝗿𝗼𝗻𝗴𝗲𝗿 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗰𝘂𝗹𝘁𝘂𝗿𝗲 through mentorship and team training Hi - you’re still here? Thank you. If you need someone who understands the entire stack - from the metal to the cloud - we’ll be a good fit. Let’s talk. I am a server-side focused engineer who spent over 6 years honing my craft in C# even before my office career began. And I'm don't just write code; I build systems that work across Windows, Linux, and Android. Whether it’s a program communicating directly with hardware via USB or a high-traffic server processing complex data, I deliver clean, stable, and maintainable results. My work is rooted in 𝗧𝗲𝘀𝘁-𝗗𝗿𝗶𝘃𝗲𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗧𝗗𝗗). I believe in building it right the first time so it doesn't break later. Beyond writing code, I have a track record of setting up the infrastructure that runs it - from creating custom Docker images to orchestrating Kubernetes clusters and mentoring the next generation of engineers. 𝗪𝗵𝗮𝘁 𝗜 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵: • 𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀: C#, Java (native for android, Spring Boot), PHP (Laravel, Symfony), JavaScript (Vanilla, jQuery) • 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: Angular (with adaptive/responsive layout expertise) • 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 & 𝗗𝗲𝘃𝗢𝗽𝘀: Kubernetes, Docker (Custom Image Creation), CI/CD Pipelines • 𝗗𝗮𝘁𝗮 & 𝗠𝗲𝘀𝘀𝗮𝗴𝗶𝗻𝗴: Kafka (Message Brokers), Elasticsearch (Full-text Search) • 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: WinAPI, USB-port communication, Security System Development • 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: Windows, Linux, Android I’ve worked both in tight-knit teams and as a solo developer. I expect every project to have its own unique challenges - whether it's a legacy monolith or a greenfield cloud-native app. I’m 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗮𝗱𝗮𝗽𝘁 my stack to your specific needs.

Hi, I am a Mobile application Developer offering services for Android and IOS for 8+ years. I am here to develop your apps according to your requirements. Whether you're building a native Android app or a cross-platform product with shared logic, I can help you ship robust, production-ready solutions faster. 𝗠𝗼𝗯𝗶𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: - iOS: Swift, Objective-C - Android: Java, Kotlin - Cross-platform: Flutter

I'm a developer with 5+ years of experience in Android native development. There are a lot of different applications in my portfolio: messengers, maps, e-commerce, media, IoT clients, business clients, and even games. Many of them work great and carry out their tasks, some of them have become one of the best in their field with hundreds of thousands of pleased active users. I experienced: - Android SDK - Java, Kotlin - Realm, SQLite, Room - Firebase - Dagger 2, Koin - RxJava 1, 2; Coroutines, Flow - OkHTTP, Retrofit, Smack (XMPP) - MVC, MVP, MVVM, MVI - Compose - Clean Architecture, SOLID, GoF, UDF, KISS, DRY и др - AndroidJetpack: Live Data, ViewBinding, Livecycle, Navigation и др. - Git, Github, Gitlab, Bitbucket, Jira, Trello, Redmine, Linux, Crowdin, TravisCI, GitlabCI, Jenkins, Postman, and other instruments Contact me if you want to make your application great!

✅ 100% Client Recommendation ✅ 100% Job Success ✅ 8 years experience Full-time support 30 hrs/week, daily progress report & skype live chat Long-term relationship contract & money-back guarantee I'm here to analyze your ideas and requirements and offer my vision of project realization. Rough estimate will be ready within 36h. If it is acceptable for you, I'll prepare detailed project development plan indicating timeline and budget. I always make sure to bring you upon successive results of highly and creatively qualified results before your deadline and guarantees refund for any unsuccessful results or issues which are responsible for me.

I am a Back End developer with 10+ years commercial development experience. I've graduated in 2016 from Kazakh-British Technical University with Bachelor of Computer Science. I've been working mostly in technology startups, as full stack developer and was always learning new technologies required to run the project successfully, such as: - Backend development(Django, Node.js) - Frontend (React, Redux, ImmutableJs) - Native mobile apps development(iOS, Android) I am an expert in development in Python, JavaScript and Java. I have experience in working with Swift, Objective-C and have a knowledge of C/C++. So I can pick the right instrument for the problem.