Hire the best Android App Developers in Belgrade, RS

Check out Android App Developers in Belgrade, RS with the skills you need for your next job.
  • $50 hourly
    Hey, I'm the CEO at Smart Technologies LLC. Experienced on system engineering & web/mobile services development, I've launched several SaaS in the past & sold some of them. Now my goal is to help other companies make something that people want with our outsourcing services. 💻 Our stack of technologies: ✔️ PHP (Laravel framework); ✔️ Python (Django); ✔️ Java (Spring & Hibernate); ✔️ Node.js; ✔️ MySQL, MongoDB, PostgreSQL; ✔️ AWS, Digital Ocean; ✔️ IoT, C/C++ driver/daemon/desktop app development, and firmware development. 🎯 We work with different projects since 2012 in this industries: ✔️ Network & Telecommunications; ✔️ Food Industry; ✔️ Financial Services; ✔️ Healthcare; ✔️ Supply Chain. Want to know how much will be the development of your project? Would be happy to help you. Contact me any time within the Upwork chat! Kind Regards, Alexander.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Sales
    Management Skills
    Business Development
    Software Development
    C++
  • $45 hourly
    Ever imagined what it's like to partner with a developer who's not only coded for a decade but can also think like a CEO? 💼 From securing #1 spots in hackathons to empowering startups and even government agencies with tech solutions, I combine deep tech skills with strong business sense. Beyond the code, I've also dedicated time to educating the next wave of tech innovators. My clients aren't just launching projects I've developed; they're securing funding, making waves, and even going viral—like the one that scored 3M+ views on Instagram and increased sales by 300% (check it out below) 🚀 "He is skilled in what he does, he is passionate about it and most importantly he does the opposite of the bare minimum and goes over and above to get the job done" - Jason G. ⭐⭐⭐⭐⭐ I'm selective with projects and the folks I team up with. We're on the same page if: 🧠 "You value top-notch quality and won't compromise for a rushed job." 🧠 "Tired of rookie mistakes? I’ve got the experience you seek." 🧠 "You value a developer who gets the business side, not just the code." 🧠 "Want a clear, no-jargon run-through of the project? Let's dive deep." Teaming up with me means: 🌟 Feeling confident with a developer who's as business-savvy as they are tech-smart. 🌟 No more eyeing the calendar—when I set a deadline, I meet it. 🌟 Sleep soundly with minimal bugs; precision is my middle name. 🌟 Experience a seamless journey, free from needless headaches. 🌟 Cut the endless chats; I get features right, fast. 🌟 Rest easy knowing you're with a pro who's been around the block. ...and in the end, watch your idea evolve effortlessly into a polished product.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    JavaScript
    Unity
    Firebase
    Front-End Development
    AR & VR Development
    Game Development
    HTML
    Bootstrap
    CSS
  • $40 hourly
    As an experienced Flutter developer with over 5 years of experience, I specialize in building high-quality mobile apps for both iOS and Android platforms. With a strong background in both Flutter framework and Dart programming language, I am passionate about creating elegant, intuitive, and scalable apps that meet the needs of modern businesses. Throughout my career, I have worked with a variety of clients and industries, from small startups to large corporations. My expertise includes developing custom mobile apps, integrating third-party APIs, and building complex UI/UX designs. I am also proficient in using Firebase for backend development and integrating payment gateways into mobile apps. What sets me apart as a Flutter developer is my attention to detail, focus on quality, and ability to deliver projects on time and within budget. I am committed to working closely with my clients to understand their needs and goals, and to provide them with innovative solutions that meet their specific requirements. If you're looking for a skilled Flutter developer who can deliver top-notch mobile applications, then look no further! Let's discuss your project requirements and get started. What I can do for you: ✅ Expert Mobile Architect Flutter (TDD, DDD) ✅ Flutter State Management (Getx, Provider, Bloc, RxDart, Riverpod) ✅ Offline Mode using local DataSource ( Hive | SQFLite | SharedPref ) ✅ Publish +10 Apps in my career on Google Play & AppStore ✅ CI/CD pipeline TestFlight / App Test(Firebase) & AppStore/PlayStore ✅ - Firebase integration - Authentication, Cloud Messaging (push notifications), Crashlytics, Analytics, Firestore Database. ✅ Worked using Agile (Scrum Methodology) with the latest tools (Trello - JIRA - ClickUp - CodeMagic - Git - Slack ..etc) ✅ Online sync / Caching ✅ GraphQL / REST API ✅ Android development (Kotlin/Java) - Jetpack Compose ✅ Worked as a team leader using Agile (Scrum Methodology) with the latest tools (Trello - JIRA - ClickUp - CodeMagic - Git - Slack ..etc) ✅ Understanding Patterns: MVC, MVVM, Delegate, Notification ✅ Singleton, Clean architecture, Dependency Injection ✅ Multi Threads App (Excellent Speed & Stability from the lowest device to the good ones) ✅ Unit testing / Mockito
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    FlutterFlow
    JetPack
    Mobile App
    Android SDK
    Firebase
    Mobile App Development
    Firebase Cloud Firestore
    Java
    Kotlin
    Dart
    Android
    iOS
    SwiftUI
    Flutter
  • $70 hourly
    More than ten years of software development experience, including extensive work with Android's NFC (HCE+MIFARE), Bluetooth, BLE & Cryptography APIs. The most recent example of my work is Kisi's Android app (Kisi is a well-known provider of access control systems): ✅ The application was rearchitected from the ground up following the Clean Architecture guidelines; ✅ I did several sub-projects related to client-specific hardware, including but not limited to BLE, NFC, and Beacons-specific work; ✅ I also performed a refactoring of the big chunk of firmware which communicates with Android devices and secure NFC cards (MIFARE DESFire product family); ✅ I've introduced the number of initiatives aimed at increasing the project's health - setting up CI/CD, adding a suite of automated tests and code quality checks, and so on. The results speak for themselves - currently, the Kisi Android app is one of the most highly ranked access control apps in the Google Play market. Some keywords that may help you find me: Architectures: Clean/VIPER, MVP, MVVM, MVI - you name it Languages: Java, Kotlin, Dart Tests: JUnit, Espresso, Robolectric, Mockito CI/CD: Bitrise, Github Actions Connectivity: BLE, NFC HCE, extensive work with NFC tags (MIFARE cards and similar ones), iBeacon Miscellaneous: Android Architecture Components, Wear OS, RxJava, Kotlin Coroutines, Blinkup SDK, and many, many more.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Git
    NFC
    RxJava
    Tablet
    Smartphone
    Application Security
    Kotlin
    Java
    Android
    Firebase
    Native App Development
  • $35 hourly
    Hi, my name is Vladimir Bulgakov. All my life I am engaged in programming. The last seven years I have been developing computer applications for android. Before that I was doing web sites using php. I have a degree from the Computing Center of the Siberian Branch of the USSR. After graduation, I developed the software for the construction industryy: lifting equipment selection automation, work schedules, registration and cancellation of materials. I have extensive experience in programming, including the last six years I have been developing Android applications. I like Android because it is really exciting developing for such small but powerfull devices. Programming languages and tools: Android SDK, Google Play Services, Fragment API Java Core, Kotlin, OkHttp, RxJava, Git, JavaScript, php, jQuery Html, SQL I enjoy programming and developing new appications.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Core Java
    Android SDK
    JavaScript
    PHP
    Kotlin
    CSS
    Git
    jQuery Mobile
    Android
  • $45 hourly
    Hello, My name is Nikola Djokic, and I am a software engineer with more then 10 years of experience. In last nine years I have been focused on Mobile platforms, Android in particular. After spending last four years in corporate environment as Tech Lead on multi milion dolar project, I am now back to freelancing, and consulting. I can offer wide range of services, from working solo, to engaging my network of associates and running more complex projects from idea to publishing and further. I hope that we will work together! Nikola
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Video Stream
    Mobile Advertising
    Engineering Management
    iOS Development
    Mobile App Development
    Android
    Java
    Kotlin
    Product Management
  • $50 hourly
    Greetings! I'm Sava, an Android Developer with over six years of experience in creating top-notch mobile applications. I specialize in delivering: - Fast & Efficient Development: I work swiftly without compromising on quality, ensuring timely delivery of exceptional Android apps. - Comprehensive Android Knowledge: Proficient in Java and Kotlin, with expertise in Jetpack Compose for modern UI development. - Core Android Components: Mastery of activities, fragments, services and more. - Popular Libraries & Frameworks: Experienced with Jetpack Compose, XML, Custom Views, SQL, REST, JSON, Retrofit, Coroutines, Dagger, LiveData, Room, MVP/MVVM, CameraX, Glide/Picasso and much more. - Everything Android: WearOS, Android TV, Android Auto - Strong Debugging Skills: Efficient problem-solving for smooth app operation. - Architectures: Proficient in Clean Architecture, MVVM and MVP, ensuring scalable and maintainable codebases. Let's collaborate to bring your Android app ideas to life! 🚀 Reach out to discuss your project needs.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    C++
    Java
    C#
    Kotlin
    Android Studio
    Android Room Persistence
    Android
    Android SDK
  • $15 hourly
    Flutter developer with over 5 years of experience. Always looking for new challenges and opportunities. ✅ Mobile Architect Flutter/Dart ✅ Flutter State Management ( Bloc,Provider, Riverpod ) ✅ Offline Mode using local DataSource ( Hive, SQFLite, SharedPref ) ✅ Publish Apps on Google Play & AppStore ✅ REST API ✅ Firebase integration - Authentication, Firestore Database... ✅ Understanding and using guidelines: Material Design, MVVM, Clean architecture ✅ UI/UX design and progamming
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Mobile App Development
    Flutter
    Java
    Android
  • $55 hourly
    I'm a engineer with experience in bringing products to life from the idea drawing board. If you need execution or are just looking for contractor help for your inhouse Android apps - I can definitely help you ship it! - I'm experienced with Android (Java, Kotlin) and reactive paradigm (MVVM, RxJava) - Can manage delivery and breaking up into individual tasks, given a larger-scale goal/task
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Software Design Pattern
    Embedded C
    Genetic Algorithm
    Algorithms
    Software Architecture & Design
    Reactive Programming
    Unreal Engine
    AOSP
    C++
    C
    Kotlin
    Java
    Android
  • $23 hourly
    I'm experienced developer in various desktop and web apps mostly using C# and .NET Framework. (For web, HTML and CSS, JQuery and JavaScript using as well) Also I do have experiences in Android studio
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Java
    Android Studio
    .NET Framework
    ASP.NET MVC
    Desktop Application
    Web Application Development
    C#
  • $20 hourly
    Software engineer specializing in web applications using Spring Boot and React. I have successfully developed and implemented an ERP system and an employee task management system for a company with 60 employees, demonstrating my ability to handle complex, large-scale projects. My approach to project management is lean and systematic, focusing on efficiency and effectiveness. This methodology ensures that projects are completed on time and within budget while maintaining high standards of quality. I excel at overseeing projects from inception to completion, carefully planning each phase and adapting to any challenges that arise. In addition to my technical skills in Spring Boot and React, I have extensive experience in project management within both government and private sectors. This includes managing a construction company, where I honed my skills in coordinating diverse teams and navigating the unique challenges of the industry. My ability to deliver robust, scalable solutions tailored to client needs is underpinned by my commitment to performance and user experience. I am ready to bring your ideas to life with professionalism, precision, and a deep understanding of both the technical and managerial aspects of web application development
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Client-Server Framework
    API
    Websockets
    Jupyter Notebook
    WordPress
    C++
    JavaScript
    CSS
    Python
    React
    Spring Boot
  • $20 hourly
    I am an open-minded, adaptive and passionate young professional with strong programming and analytical skills. I am interested in Software systems, Distributed computing , Mobile development, artificial intelligence.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    Web API
    Linux
    Embedded System
    Qt Framework
    Android SDK
    Android UI Design
    Android NDK
    AOSP
    C++
    Kotlin
    Java
    Angular
  • $25 hourly
    Hi, I have work experience in the IT companies for more than 5 years. My current main area of interest is Android application development and I have more than 3 years of experience in creating, testing and publishing Android apps. I have very good troubleshooting and debugging skills developed over the years of working. I am a patient, thorough person with high attention to details, but also with a lot of enthusiasm and creativity. My goal is to do a fairly deal and to meet the expectations of every customer. I am looking forward to any possible successful cooperation. I am working with Android Studio, Java and Kotlin both. Additionally, so far I was using the following Platforms/Technologies/Tools: Firebase, Push Notification,Windows Server, SQL, Linux, SQLite, NetBeans, JSON and a lot of third part libraries and also I am familiar with RxJava and Android design patterns.
    vsuc_fltilesrefresh_TrophyIcon Android App Development
    JSON
    Mobile App Testing
    Mobile App Development
    Android
    Kotlin
    Java
    SQL
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