Hire Android developers

Android is an operating system based on the Linux kernel with a user interface based on direct manipulation, designed primarily for touchscreen mobile devices such as smartphones and tablet computers.

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D.Y.
    Senior Mobile Developer
Mobile Developer - iOS/Android, VR/AR, React Native, Flutter

Looking to commit to a long term and challenging project requiring extensive programming skills in Mobile Application Development. I have a solid background in creating complex mobile applications for iOS/Android platforms and more, including implementing virtual and augmented reality using Unity and ARkit/ARcore frameworks.

Skills & Technicals Expertise:

  • Development of cross-platform hybrid and/or native mobile applications targeting iOS, Android and Mobile Web;
  • Object Oriented techniques, including common OO and web/mobile application design patterns;
  • Java, Objective-C and/or Swift, and in-depth knowledge of the iOS/Android SDK;
  • cross platform mobile development with ReactNative or Flutter;
  • AR/VR, Google Daydream, Google Cardboard, Oculus Rift, HTC Vive
  • Core Data, SQL Server, PostgreSQL, and other relational database programming and design;
  • jQuery, jQuery Mobile, Twitter Bootstrap, Angular, React and Knockout;
  • Geo-location/mapping/Postgres GIS/Web services (SOAP, REST);

Additionally:

  • Understanding of offline storage, threading, and performance tuning of mobile applications;
  • Push notification services;
  • Application/Web Servers: Tomcat; Jboss; Apache; LAMP ;
  • Cloud services: Amazon AWS (EC2, RDS, S3), Parse;

Passionate about the mobile marketing, have extensive knowledge about it and constantly develop my mobile programming career with strong desire to innovate.

  • USD 42.00 / hr
  • USD 5400.00 / mo.
  • Ukraine

J.J.
    Senior Mobile Developer
Software Development

I work mainly on my own development projects. However, I occasionally work on external projects, not just for the fee, but also to maintain, improve and verify my development skills. My current passion is iPhone application programming, as well as Android and other mobile platforms.

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

I.V.
    Senior Backend Developer
Senior .Net and Database Developer

I'm a senior .Net and Database developer with extensive experience in building high quality sites.

My areas of expertise include:

  • C#, Python
  • ASP.NET MVC, .NET Core
  • WPF / WinForms
  • SQLServer, MySQl, PostgreSQL, MongoDb, CouchDb
  • JS, Angular (1, 1.5, 2, 4, 5, 6), TypeScript
  • Azure (+ Web Jobs)

My experiences range from building responsive mobile sites that work well cross-browser to building scalable sites for the financial services industry. I like working on projects with a team that cares about creating beautiful and usable interfaces.

It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects.

I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with.

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

M.P.
    Senior Fullstack Developer
Full stack web developer with 5 years of experience

Mainly, I work on web back-end, have experience in Golang and server-side Node.js.

In the front-end and mobile development, I have experience with React + Redux and React Native for Android.

Also, I know and use the Algorithms and Data Structures: graphs, string algorithms, dynamic programming, greedy algorithms, finite automatons. Can create parsers with special grammar or do other tasks with computer science knowledge.

In the infrastructure, I have experience in Docker, Docker Swarm, Digital Ocean.

For databases, I usually use MongoDB and Redis. Also, I use embedded databases, e.g. SQLite and BoltDB.

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

A.N.
    Senior Mobile Developer
java/Kotlin developer

Experienced Java/Kotlin Developer.

Summary:

  • Over 8 years of software and webapps development;
  • Took part of lots of enterprise projects (portfolio with the selected products can be found below);
  • Fluent in Spring Boot and many related frameworks and technologies;
  • Striving for the SOLID design, but not forgetting about pragmatic approach;
  • High self-organization and discipline.

Technologies:

Java, Kotlin, Javascript, HTML, CSS, Sptring Boot, Spring Framework, RESTful services, Git, PostrgeSQL, MySQL, Hibernate, JPA, JUnit, TestNG, Mockito, Selenium Webdriver, Selenide, Jenkins, Bamboo, Azure DevOps, Docker, and many, many more.

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

M.C.
    Senior Mobile Developer
iPhone, iPad, Android solutions

I am a highly-qualified professional with a five-years experience in developing mobile applications for Android, iPhone, iPad. I have successfully launched over 50 projects in various domains and technologies, ranging from simple apps to complicated projects.

My main objective is a process-oriented approach that combines experience and creativity to find the most productive solutions and succeeding results. I am proficient enough in working in close collaborations with offshore clients as well. Flexibility and keeping ahead with technologies are my strengths, so I can guarantee the high quality of the work done.

Experience with iOS technologies:

  • Xcode, Objective-C
  • databases: CoreData( MagicalRecords including), SQLite
  • internet and server side interactions(AFNetworking library): REST API, SOAP, JSON, Parse, Google API
  • maps: iOS MapKit Framework, Google Maps API, Yandex SDK
  • social networks: Twitter API, Facebook SDK, VK SDK
  • storage: local storage, cloud storage (icloud, dropbox)
  • multimedia (photo, video, audio)
  • tools: Redmine, Git, SVN, SoapUI, DBMS (database management systems), Crashlytics
  • notification/reminders: Local Notifications / APNS,EventKitUI
  • in-app purchases
  • iAd

Experience with Android technologies:

  • Android studio, Java
  • Google Play Services and Patterns
  • Android libraries: Android Support Design Library, Android Support Library (v4, v7 appcompat, v7 cardview, v7 recyclerview), ActiveAndroid, RxJava, Retrofit, Picasso, UIL, ButterKnife, EventBus, Amazon
  • databases: Amazon DynamoDB, SQLite, Couchbase Lite Android
  • storage: local storage, cloud storage (Amazon S3, Couchbase Lite Android, dropbox)
  • multimedia (photo, video, audio)
  • tools: - Redmine, Git, SVN, SoapUI, DBMS (database management systems), Crashlytics
  • internet and server side interactions(AFNetworking library): REST API, SOAP, JSON, Parse, Local/Push-Notifications, Google API, GSON, GeoJson, Amazon SES
  • MVP
  • Google Android Maps Utils
  • in-app purchases

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

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

Y.S.
    Senior Mobile Developer
Expert Native iOS, Android developer/Augmented Reality (ARKit, ARCore)

Ambitious and results-oriented Mobile Application (iOS/Android) Developer with extensive knowledge, solid technical expertise and an “always get my job done” credo. Passionate about the mobile marketing and constantly striving to learn new technologies with strong desire to innovate.

Looking to get committed and make significant contributions into a large software development company that mainly focus on creating complex and challenging mobile application solutions.

Technical Skills & Expertise:

  • iPhone iOS SDK: UI, Fragments API, Location and Sensors API, SQLite, AsyncTask, Activity Lifecycle, Services, Maps, Material Design;

  • Object-Oriented design pattern and implementation in Swift and Objective C;

  • Cocoa/Cocoa Touch, Three20, Cocos2d, Sparrow, JDK, C Standard Library;

  • Geo-location/mapping/Postgres GIS

  • Web services (REST, SOAP);

  • Java Core: io, multi-threading, collections, generics, etc

  • Android SDK: activity lifecycle, fragments api, location and sensors, content providers, services, material design, etc

Crossplatform framework: Flutter

Databases: MySQL, SQLite

Cloud services: Amazon AWS (EC2, RDS, S3), Parse

Preferred workflow: Trello/Basecamp + Git + Slack

I am easy to communicate with and can work either independently or inside a team.

  • USD 40.00 / hr
  • USD 6400.00 / 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

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

O.H.
    Middle Mobile Developer
Quality-Focused iOS/Android Developer

I started out in IT as a QA specialist working on various web and mobile projects. Later on I learned and got hands on experience in Java and Objective-C. At first I use those primary for testing automation, but then I realized that I want to move forward and become a mobile developer.

During the years of my professional career I studied a lot about software quality and most common mistakes that developers usually do. This allows me to produce more accurate estimates for new similar tasks, and leverage my own solutions to make those best suited for end customers.

I have 2+ years of programming experience and took part in dozens of projects as a full stack mobile developer.

My tech stack includes:

  • Android development (Kotlin/Java)
  • iOS platform development (Swift/Objective-C)
  • creating cross-platform apps with Flutter
  • Cocoa/CocoaTouch, CoreData, UIKit, CoreAnimation, CoreGraphics, CoreLocation, Security framework, etc
  • Apple Watch apps, Augmented reality (ARKit/ARCore)
  • moderate experience in HTML5/CSS3, JavaScript
  • 3rd party services integration (RESTful, Websockets)
  • FireBase, Parse, AWS
  • Git, Trello, Asana, Jira, Slack, etc

  • USD 37.00 / hr
  • USD 5900.00 / mo.
  • Ukraine

M.S.
    Senior Mobile Developer
Web and mobile developer (iOS, Android, PHP, Java, Angular, Node)

I have been living custom software development for over 15 years. By now, I have developed web and mobile applications for such brands as Western Union, Channel, Audi, Volkswagen, Sainsbury's, and other. Several apps reached top and #1 positions in app stores in various categories.

To implement apps from idea to the store, I collaborate with my team of talented iOS and Android developers, front-end and back-end engineers, UI/UX designers, business analysts, and testers.

Advantages for you: – full-cycle software development partner (UI design, development, project management, testing) – 12-month warranty period (no kidding!) – easy to communicate

Key skills: – Front-end – Angular, React, JavaScript, Vue.js, HTML5, TypeScript – Back-end – Java EE, PHP, Node.js, Laravel, Yii2 – Mobile native – iOS, Android, Swift, Objective-C, Java, Kotlin – Mobile cross-platform – React Native, NativeScript, Electron – Databases – PostgreSQL, MySQL, MongoDB, Oracle, Redis, SQLite

Specialize in FinTech, InsureTech, e-health apps, Uber-like apps, social networking apps, geofencing apps.

I look forward to working on your project!

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

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