Hire Android SDK developers

New applications are created for the Android operating system in the Java programming language using the Android Software Development Kit.

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V.K.
    Middle Mobile Developer
Android and Ruby on Rails Developer

I specialize in native Android applications and my experience in this area is 5 years. Depending on the project that needs to be done, I can work independently to complete my tasks on time, but I also enjoy brainstorming and collaborating with my colleagues.

When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project.

I have worked on projects of different sizes, stages and have performed different roles across software development industry.

I also have experience in Ruby on Rails development.

  • USD 30.00 / hr
  • USD 4800.00 / mo.
  • Ukraine

P.S.
    Senior Mobile Developer
Android Developer

Huge part of my programming experience was the Android development. I have a good knowledge of the Android SDK, an experience of adaptive UI and optimizing code to achieve a better performance.

I have experience with:

  • Java, Kotlin
  • Dependency Injection (Dagger 2)
  • Rest API (Volley, Retrofit)
  • MVP pattern
  • RxJava, RxAndroid, RxJs
  • Cloud Services (Firebase, AWS)
  • Media files playback (recording, editing, storage, and streaming)
  • Local data storage (e.g. Realm, SQL)
  • Stress testing (there are a lot devices to test apps in any version of Android, that allows me to catch all the bugs).

Prefer to have good relations with customers and also to discuss all aspects of the product.

  • USD 35.00 / hr
  • USD 5600.00 / mo.
  • Belarus

R.G.
    Middle Mobile Developer
Android Developer with more then 2 years of commercial experience

A forward thinking developer offering more than two years of experience designing, implementing, integrating, testing and supporting Android applications for mobile and tablet devices on the Android platform.

Skills: Tools and Technologies: GraphQL, RxJava, Android SDK, Android Studio, Retrofit2, Glide, Gson, Dagger2, OSM, WebSockets, BLE, Hibernate, JPA, FlyWay, Coroutines Patterns: MVP, MVC, MVVM Languages: Java, Kotlin, C++ Frameworks: Spring, TensorFlow Data storing: MySQL, PostgreSQL, SQLite, Realm, Room Data languages: JSON, GraphQL APIs: Google APIs, Firebase, UploadCare, Youtube Soft Skills: Communications, teamwork, organization Miscellaneous: RESTful Web Services, HTML, CSS, Bootstrap

Highlights:

  • Created a lot of user-friendly, aesthetically pleasing and fully functional applications for Android
  • Proficient in object-oriented design, data structures, problem solving, complexity analysis, and debugging
  • Developing strong backend side which can be used for all mobile platforms
  • Have strong understanding of material guidelines, client - server architecture principles, mobile development life-cycle
  • Always using Android best practices and adding multiple screen dimensions support

My purpose is to help you realize your ideas and bring your vision to the mobile market. Also it involves building an app from scratch or updating existing apps, building strong restful apis, adding multiple screen support, etc.

  • USD 35.00 / hr
  • USD 5600.00 / mo.
  • Ukraine

K.K.
    Senior Mobile Developer
CEO/Fullstack Senior iOS/Android Mobile Developer

✅ Over 5+ years of the experience in the domain; ✅ 30+ successfully developed applications;

Skill Set (Android and iOS) :

  • Android SDK, Java, iOS 8,9, Objective C, Swift
  • Google Maps, OSM, GPS Location, Map Clustering, Place API, Navigation
  • Video streaming (RTSP/RTMP)
  • Push notification (GCM)
  • Social framework such as Facebook, Twitter, Google+ and Instagram
  • Integration with Web Service( XML, JSON, REST/SOAP)
  • Parse
  • Bar-code/QR Code scanner
  • Database Management( SQLite ,CoreData )
  • In App Purchase
    -Augmented reality (location based)

If you work with me, you would get a good adviser as well as a skilled developer. Robust, highly-readable and easily maintainable code is guaranteed!

  • USD 40.00 / hr
  • USD 6400.00 / mo.
  • Ukraine

A.M.
    Senior Mobile Developer
Android developer

Within 4 years I'm involved in Android development. One of my main skills is to create professional, responsive, intuitive mobile applications for Android.

I know how to create quality android apps. I am responsible and always in touch with my clients. These stories when a freelancer hasn't communicated with a customer for several days are not about me. Also, I complete tasks on time because I understand that it is important for you.

I am a responsible worker. I do my work with the full dedication and strive for excellent quality. From my side, I guarantee high-quality work while doing it as fast as possible. I am available to start work immediately and up to 40 hours per week.

Technical Skill Set:

  • Good understanding of Core Java, Kotlin concepts (oops, collections and multithreading)
  • Experience working with different versions of Android, and how to deal with different screen sizes
  • Familiarity with RESTful APIs to connect Android applications to back-end services (Retrofit, OkHttp, Websockets)
  • Experience with offline database storage (Sqlite, Realm)
  • Knowledge of the open-source Android ecosystem and the libraries available for common tasks. Android SDK (Fragment API, Bluetooth/BLE API, Camera API, Service API, BroadcastReceiver, Job Scheduler API)
  • Android Testing (Robolectric, Mockito, Espresso, UI Automator, Junit, Hamcrest)
  • Image processing (Picasso, Glide, Fresco)
  • Google Play Services (Maps/Places, Location, GCM, AdMob/DFP, Drive, Face Detection)
  • Firebase (Auth, Database, Notifications, Analytics, Cloud Functions, Crash Reporting etc.)
  • Social networks (Facebook SDK, Twitter SDK, Instagram SDK, Vkontakte SDK)
  • Proficient understanding of code versioning tools, such as Git
  • Strong knowledge of Android UI design principles, patterns, and best practices (Support libraries, Custom views, Custom themes/styles)
  • Ability to understand business requirements and translate them into technical requirements.

Looking forward to work with you!

  • USD 40.00 / hr
  • USD 6400.00 / mo.
  • Belarus

V.B.
    Middle Mobile Developer
I'm an Android (Java) developer.

I have most 3.5 years of experience in mobile development. I can implement every part of Android development from idea to publishing in Google Play. Let me describe my skills:

Android:

  • Native Android app development
  • Java, Android Studio, Gradle, Proguard
  • Android SDK
  • UI and UX, Material Design, fast UI prototyping (Figma, Sketch, Gimp)
  • Mobile advertising (Admob, Amazon, Appodeal, Facebook, Mopub, Chartboost, Unity Ads, Yandex and other)
  • Firebase (Events, Push Notifications, Crashlytics, Performance monitoring, In-App Messaging, Remote Config)
  • Bigquery (report in datastudio)
  • Social integration (Facebook, Twitter)
  • Cloud storage integration (Google Drive, Dropbox, OneDrive)
  • Fragments and broadcast receivers
  • Data offline usage (SQLite, Realm)
  • Payments (Google Payments, Revenuecat SDK)
  • GPS, Maps
  • Memory leaks
  • Multiple devices (and screen sizes/resolutions) support
  • json/protobuf

Other skills:

  • English skills (talk and write)
  • Jira
  • Agile Methodologies
  • Git, Gitflow

Libraries: Retrofit 2, Glide, ButterKnife, LeakCanary, Robolectric, EventBus, Picasso and other

If you can't see here something that you need, then it doesn't mean that I can't handle it, just ask me.

  • USD 35.00 / hr
  • USD 5600.00 / mo.
  • Ukraine

Y.M.
    Senior Mobile Developer
Android App Developer Java SE Developer

I'm a senior Android App developer with extensive experience in building high quality Android Apps. My main ability is to create a professional, responsive, intuitive and successful mobile applications for Android . I will be happy to assist you in the successful implementation of your projects in the shortest possible time. I'm ready to work to work 24/7, full time or part time.

  • USD 35.00 / hr
  • USD 5600.00 / mo.
  • Belarus

V.P.
    Senior Mobile Developer
Senior/Lead Android Engineer

I have solid experience with Android SDK, creation of client-server applications, HTTP REST protocol, Google Play Services and other related fields of Android apps development.

Also have experience with dozens of third party development and project management tools: Jira, Fabric, Git/SVN

Experience with third parties APIs: Foursquare, Facebook, Twitter

Experience in creating custom views / view components for tablet/phones

  • USD 40.00 / hr
  • USD 6400.00 / mo.
  • Ukraine

D.S.
    Senior Mobile Developer
Android | iOS Developer

For the last 7 years my primary field of work is a Mobile Development (Android and iOS), and in general I have more than 10 years of experience in software development for different platforms. As a responsible person, skilled and ambitious professional I would like to use all my knowledge, experience and strong technical background to help you bring your ideas to Mobile Platforms. I know how to work hard, learn quick, and be a part of a team. Also, in software development it is always important be open and honest and I am ready for that.

Main skills:

  • Native Android app development
  • Native iOS app development
  • Java, Android Studio, Maven, gradle
  • Xcode, Swift, Cocoapods, Objective-c
  • UI and UX, Material Design, fast UI prototyping
  • Custom UI of any complexity (custom views, animations, themes)
  • Flawless and pixel perfect UI
  • Multiple devices (and screen sizes/resolutions) support

List of different third party technologies I am familiar with:

  • Push Notification (Firebase Cloud Messaging )
  • Social Network Integration (Facebook SDK, Twitter)
  • Payments (Stripe SDK)
  • Online Data Storage (Amazon AS3 SDK)
  • Local Database Storage (SQLite,including SQLCipher, Realm)
  • Mobile Analytic (Fabric: Crashlytics & Events)
  • Network interaction (REST, Retrofit, Alamofire, Json, SOAP, GET/POST data,)
  • Hardware (Camera, sensors)
  • Google Tesseract OCR system Integration
  • Third-party UI libraries
  • GPS, Maps
  • Multi-threading
  • Email and SMS sending
  • Video and Audio streaming
  • Android NDK
  • C / C++
  • PHP
  • Git, Gitflow
  • Qt, MFC

If you can't see here something that you need, then it doesn't mean that I can't handle it, it means I had too much to fit in! Just ask me.

  • USD 40.00 / hr
  • USD 6400.00 / mo.
  • Russia

A.S.
    Senior Mobile Developer
Senior Android Developer

I develop mobile apps since 2014, which you can see in the portfolio below.

My projects vary from GPS fitness tracking apps to accounting platforms, and also include popular titles like Los Angeles Film Festival client app.

I either use design assets from an in-house designer or create them myself using mobile design guidelines.

Usually, the collaboration starts with a video call, where we can discuss project details and their implementation, after which a client can request an estimate and receive daily updates about the progress.

  • USD 40.00 / hr
  • USD 6400.00 / mo.
  • Ukraine

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