Top Upwork Freelancers

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  1. Sreekanth Prasad Bellur Natraj

    Sreekanth Prasad Bellur Natraj

    Senior iOS developer

    United Kingdom - Tests: 4

    Having gained 5 years experience in iOS development, I have developed various iOS applications in difference sectors. I have gained expertise in Core graphics, Quartz core, Push-notification, In-App Purchase, AV-Foundation, Core Data, SQLite, In-app purchase, CF-Network, Security framework, Core Text, Image IO, Map-Kit, Core Location, Address Book, DRM, Map Kit, Cloud services, Game center, web-services (Restful and Soap) and media frameworks along with open source API integration. I have excellent skills in Objective C programming language and also have experience with developing Android applications. I am self motivated and willing to learn. I am looking for opportunities to develop/ maintain innovative and creative iOS applications. I have worked with teams before and am currently managing many app development for a company. I have worked on both standalone app and also network based apps.

    $20.00 /hr
    0 hours
    5.00
  2. Katsuro Inoue

    Katsuro Inoue

    Top Mobile Developer

    Japan - Tests: 4 - Portfolio: 1

    Hello Welcome to visit my profile As the title indicate,I am a top mobile developer I have been developing program for 10+ years and I have full experience of program development Recently I have been developing mobile app & games I have developed many mobile apps & games for 4 years If you have any idea, I can make Best Product My main skills 1 IOS development (iPhone,iPad,object-c swift) 2 Android development(Android SDK,Java) 3 Backend and Web Service 4 Social SDK 5 Desktop development My best happy is to make client satisfaction I will always work hard and hope successful on oDesk Thanks Katsuro Inoue

    $50.00 /hr
    3 hours
    5.00
  3. Alexey P.

    Alexey P.

    Java/Android/SQL/Web Developer

    Russia - Tests: 3 - Portfolio: 3

    During last three years I develop enterprise web-application using JavaEE technologies. Working on projects, commonly I have used products of IBM (WebSphere AS, WebSphere MQ, IBM DB2), but I have an experience with Tomcat as application server and Oracle and Firebird as a RDBMS. Also, I have a lot of practice using Delphi as a tool for developing of Windows applications as rich client for databases and user interfaces for electronic equipment. I am looking for an opportunity to develop a web-based software in conjunction with mobile applications and databases.

    $10.00 /hr
    0 hours
    5.00
  4. Pavel Tisunov

    Pavel Tisunov

    Full stack iOS/Rails/PostgreSQL/Node.JS developer

    Russia - Tests: 2 - Portfolio: 2

    Take a look at my portfolio. I do iOS app development along with Web app development using Node.js, Ruby on Rails with Service Oriented Architecture, PostgreSQL, Backbone.js, Ember.js. Old overview: Over the past 9 years, I have developed various software projects from kernel-mode drivers to employee tracking and forex trading systems. My skills include experience in C/C++/Delphi/C#/AutoIt and a little of F# I have worked on system level software without any GUI as well as on various projects required GUI. My experience in GUI implementation includes pure WinAPI, WTL, MFC, WinForms, WPF. I'm fond of OOP design and TDD along with MVVM and strive to use best design and development practices. I'm seeking to build beautiful software both internally (in code) and externally (ease of use and end user satisfaction). My core competency lies in implementing rich WPF applications as well as system level C++ programming.

    $84.00 /hr
    0 hours
    5.00
  5. Khawar R.

    Khawar R.

    Experienced Mobile Application (Android, iOS) / .Net Developer

    Pakistan - Tests: 3 - Portfolio: 10

    A solution-oriented developer, having 5+ years experience in Mobile application development, focusing on resolving problems through software engineering with experience defining requirements, designing architecture, implementing software using test-driven design, debugging original and existing sources, and documenting the result. Coordinates well with other professionals, both inside and outside of the organization, in order to achieve results. My skill set includes the following technical proficiency: Key Areas: - Android (Applications) - iOS (Applications) - .Net (Desktop Applications) Development Environments: Android Studio, Eclipse, XCode, Visual Studio Programming Skills: Android SDK, iOS, JAVA, SQLite, AndEngine, Box2D, C#, ADO.net, LINQ.Net, C, C++ Design Development: OOP Design, Design Patterns, Database Designing, UML, QA

    $18.00 /hr
    2 hours
    5.00
  6. Ahmed Zaalan

    Ahmed Zaalan

    Software Developer

    Palestinian Territories - Tests: 3 - Portfolio: 2

    I have been doing software development for over 5 years, including web development for the last 2 years. I have worked with various technologies and programming languages including ASP.NET, PHP, Visual Basic, HTML, JavaScript, CSS, MySQL, MS SQL, jQuery, AJAX. I Also I have experience in desktop applications Using .Net Framework and Java. My goal is to continue doing software development and learn new languages and techniques along the way.

    $11.11 /hr
    3 hours
    5.00
  7. Egor Pavlovets

    Egor Pavlovets

    Android developer

    Belarus - Tests: 3 - Portfolio: 2

    Result-focused Software Engineer with the 5 years experience in mobile apps functional and automated testing as well as in Android apps development. With abilities of the proficient communication, leadership and proactive project management. Ready to work independently as well as in a team environment and success with meeting deadlines under pressure. Aim to constantly develop my professional skills in order to achieve successful outcomes through collaborative and cooperative means. A person with self motivation, enthusiasm, flexibility and CAN DO attitude. My google play projects: https://play.google.com/store/apps/details?id=com.leikyahiro.flashlight https://play.google.com/store/apps/details?id=com.leikyahiro.qc Successfully completed oDesk Android project: https://play.google.com/store/apps/details?id=com.leikyahiro.bowlingscores One more Upwork successful project: https://play.google.com/store/apps/details?id=com.leikyahiro.kundalinitimer As a QA department lead, I have gained an ultimate experience in different Android related areas, working 60+ hours per week in different roles (functional qa, automation engineer, developer) the same time: Functional testing: 4.5+ years (all types of functional testing + QA team management) Test automation: 4.5+ years (Robotium, Android Instrumentation, ADB scripting, Selenium, WatiN, self written frameworks for IE, Android and iOs) QA Team management: 4.5+ years (SCRUM, team performance tracking, activity metrics, projects state metrics, bug reports etc) Overall commercial software development experience: 7+ years (.net 2.0 C#, java, Android, Linux bash shell). I have started developing educational applications using C# in 2005, first console application in C++ was implemented in 2001, from that moment I can't imagine my life without programming. Before IT career I have worked as optic-fiber telecommunication engineer for 5 years (from 2003 to 2008)

    $18.00 /hr
    0 hours
    5.00
  8. Tanya S.

    Tanya S.

    Java Software Engineer

    Bulgaria - Tests: 7

    Over the last 4 years I have been implementing and supporting various server infrastructure components - Portlet 2.0 Container, Web Server, etc. - and have taken care for the security of those components - that includes compliance checking, designing and implementing security patches. I have solid Java programming experience (more than 7 years) and a very extensive security related knowledge - both in application security and session management security. I am seeking opportunities to use my experience in design and implementation of stable and secure applications and in improvement of the security level of existing code. Prior to that I have 2 years experience as a team lead of Quality Management team so I am familiar with the best software testing strategies and I am capable of managing small teams. I also have some experience in the following areas: Linux/Unix administration, shell scripting - Bash and Korn shell, Informatica, Perl, Python, C#, software design and testing.

    $16.67 /hr
    0 hours
    5.00
  9. Dmytro Aleksin

    Dmytro Aleksin

    .NET Developer

    Germany - Tests: 11 - Portfolio: 1

    Designed and implemented front end, back end and database layer for custom CMS for the fine art auctions. Was team leading the small group of 3 developers and 1 qa using Scrum agile methodology. Was responsible for collaboration and communication with customer’s development team, delivering the product to the owner. Set up and supported the environment for continuous integration including SVN, TeamCity server and deployment to IIS webserver. Provided post-release support for global financial informational portal. Was working with Kanban agile methodology. The task was to improve database performance and fix critical issues. All work was made in close collaboration with the client. Designed and implemented user interface for a system aimed to manage computer systems. It was created to harvest/deploy drivers, create and deploy system images. Implemented logic to predict useful bid information for different betting systems. Developed stored procedures, business logic, web services and front end. Developed embedded modules with bets proposal with different skins.

    $22.22 /hr
    7 hours
    5.00