Top Upwork Freelancers

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  1. Nikolay Samygin

    Nikolay Samygin Agency Contractor

    .NET developer with 5 years experience.

    Russia - Last active: 12 hours ago - Tests: 2 - Portfolio: 1

    I have been developing Windows software for the last 6 years. My technology focus has been primarily Microsoft technologies, particularly .NET framework. With .NET I can implement almost any program you need: complex GUIs (WPF) solutions or rich internet applications (Silverlight), from visually attractive user interfaces (XAML) to complex business logic algorithms. I also have strong level of experience with database systems such as MS SQL or MySQL.

    Associated with: RedCup LLC

    $22.22 /hr
    1,269 hours
    5.00
  2. Gaston Claret

    Gaston Claret Agency Contractor

    Unity3D Game Developer

    Argentina - Last active: 2 days ago - Tests: 4 - Portfolio: 15

    Hello, my name is Gaston Claret and I'm a 24 year old a software engineer from Buenos Aires, Argentina. I work on Unity to create games, my passion! I love a challenge, and I'm always eager to create quality work for my customers. In the past, I've worked for over 2 years as a C# / .NET developer, working for a big enterprise web application. I'm very passionate about my work, and always eager to learn new technologies. I have lived in Toronto, Canada for 3 years, so I am both fluent in English & Spanish. I have knowledge in the following: ✓ Game development & design ✓ Unity 3D & 2D ✓ NGUI ✓ Android / iOS / WP8 ✓ Facebook Social Integration ✓ IAP Integration ✓ Ad Integration (Admob, Heyzap, Leadbolt, Chartboost, etc) ✓ Multiplayer Games ✓ Game Center / Google Play Services Integration

    Associated with: Bigfoot

    $44.44 /hr
    81 hours
    5.00
  3. Vinay K.

    Vinay K. Agency Contractor

    Experienced Mobile Developer(Exp+6 years)Objective-C/Swift/Android

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 10

    Hi, I am an iOS developer with 6+ years in IT industry. From more than four years, I am working on XCode and Objective-C. My primary skill set includes development on the iPhone/iPod Touch, iPad,Android applications. I am skilled in Core Graphics,Core Animations SQLite, JSON/XML parsing, MapKit, FB connect, Twitter, Web Services, Push Notifications etc and many more.I am well furnished with every aspect of iOS Development I have completed many projects which highly includes the core animations and core graphics. I have worked on more than 30 iPhone/iPad Applications/Android. In which most of them are currently successfully running on App Store. I Love my work and Clients,my main objective is to provide quality work to my clients and satisfy them, So as to maintain a long time relationship with them. Thanks a lot for your attention. -Vinay Kumar

    Groups: Application Developers Alliance

    Associated with: WebTech Bridge

    $17.78 /hr
    444 hours
    4.91
  4. Usman F.

    Usman F. Agency Contractor

    Experienced Web Developer

    Pakistan - Last active: 1 day ago - Tests: 5 - Portfolio: 6

    I am a lead developer and architect with more than 9 years of experience. I have developed various applications using Python, Django, Java and php that are hosted on Google App Engine and Amazon Web Services. With strong analytical skills; I'm excellent in developing optimized and highly scalable back-end services and web solutions. Developing a technology solution requires more than just programming skills so I can help translate your ideas into working software. I have participated in all phases of system development including design and architecture, implementation, debugging, integration, testing, refactoring and maintenance. Along with modern web applications, I also have developed several SaaS (Software as a Service) systems and mobile back-end solutions that are optimized and scalable for millions of users. I'm fluent of different frameworks, tools and technologies including; Google App Engine, Amazon Web Services, Cloud Storage, Cloud SQL, Ndb Datastore, Memcache, Backends, Payment Gateways, GCM, APNS, Python, Django, MySQL, Flask, J2EE, PHP, Git, JQuery, Javascript, CSS, XHTML

    Associated with: AlfaTech Labs

    $38.89 /hr
    435 hours
    5.00
  5. Son Luong

    Son Luong Agency Contractor

    Expert iOS and Game Developer

    Vietnam - Last active: 12 days ago - Tests: 6 - Portfolio: 2

    With 4 years of experience in developing iOS Apps, my goal is to create great apps that can satisfy the most difficult users. I take pride in my work and will do my best to deliver you the best products possible. I have a wide range of experience making apps including: - Social networking - 2d games ( platforming, isometric, card games... ) - Photo editing - Chatting/Messaging - News reader - All kinds of apps with web service interaction. If you have an idea, tell me and we'll make it into reality together. Best regards, and best luck on your projects.

    Associated with: jShort

    $22.22 /hr
    177 hours
    5.00
  6. Yavor I.

    Yavor I. Agency Contractor

    Android/Wear/Tizen/Backend developer

    Bulgaria - Last active: 1 day ago - Tests: 2 - Portfolio: 17

    Over the last 5 years I have developed a wide range of applications for Android based smartphones and tablets. Most of my clients are companies from the small business but also I've worked for Samsung, Shutterstock and British Telecom. I'm seeking opportunities to build applications from the ground up for you or your business. I have strong experience in these areas : Java, Android, Google App Engine, Backend and API development, Google Cloud Datastore, Tizen SDK, Database (Oracle, MySql and Sqlite), Ruby and HTML5/CSS3. I'm mainly interested in mobile apps development but I'm able to handle cross-client development including backend/API and web application. Example 1) Android app + Google App Engine(Backend) + Google Cloud Endpoints(API) Example 2) Example 1 + Google Cloud Messaging Example 3) Example 2 + Google Cloud Datastore Example 4) Example 1 or Example 2 or Example 3 + Web app (html/css/javascript) Example 5) Any of the examples above + Wear/Tizen app Example 6) Any of the examples above + UI An UI can be provided by one of the few very skilled designer I'm working with. It will be Android compatible by using the Material Design principles. * Please, only serious clients with vision for great, long-term projects! Not interested in part-time jobs. Strong communication is required!

    Associated with: Dision

    $32.22 /hr
    2,168 hours
    4.83
  7. Hien Nguyen Ngoc

    Hien Nguyen Ngoc Agency Contractor

    iOS Expert

    Vietnam - Last active: 1 month ago - Tests: 1 - Portfolio: 8

    I am a creative and talented mobile developer who has been living in mobile world for 5 years. If you work with me, you would get a good adviser as well as a skilled developer. Since I have rich experience in mobile development, I can bring your idea to life successfully. For client's satisfaction, I will bend over backwards. My skill summary is as followings. iOS6/iOS7/iOS8, Flash/Flex, PHP, Drupal. - Parse - Cocos2d, cocos2dx for Game development. - Social, Geo-location, Camera application. - Backend based application. - Json, RSS, XML, AJAX, Forsquare, SOAP API - Facebook, Twitter , Instagram, Google plus, Youtube - Emoji App, New Emoticons adds - Barcode, QR code scanning related apps - Racing, Fighting, Quiz, Trivia games. - MySQL SERVER, SQLite, HTML5, PHP, JSP, javascript

    Associated with: H3Q

    $22.22 /hr
    320 hours
    5.00
  8. Alexey Shestakov

    Alexey Shestakov Agency Contractor

    Senior Programmer/Developer

    Russia - Last active: 12 hours ago

    I'm passionate about games application. I have been successfully developing MMO FPS "stalker-online" for more than last year from the start of project. I'm working on all of basic mechanics and tools to create interesting game process and productive work of game designers. Also i have a more than 6 years experience in network administration, that allows me to create network stable code. More than wich, i have a small experience in game design to help designers create an interesting mechanics. I'm experienced in C#, Python and familiar with BigWorld Engine and Unity.

    Associated with: PyPie

    $20.00 /hr
    1,194 hours
    4.85
  9. Andrey Chorniy

    Andrey Chorniy Agency Contractor

    Senior Java (JEE and Android) Developer

    Ukraine - Last active: 1 day ago - Tests: 3 - Portfolio: 7

    During my 11 years experience I've worked with a lot of java technologies and frameworks, performed a lot of refactorings and system re-deisgns and application performance tuning. My latest experience include application development for Android platform and web-applications with Java/Jboss-Seam/JSF/Hibernate/Spring. System integration with CMS systems like Alfresco, Artesia (OpenText) I have strong background in application performance tuning. Follow the best OOP principles and Design-Patterns. I also have an experience in developing information retrieval systems, datamining, textmining, evolutionary/genetic algorithms. I'm looking for challenging Java/JEE/Android projects.

    Groups: Android, Sun Certified Professionals

    Associated with: Texus

    $30.00 /hr
    2,876 hours
    4.83
  10. Ramesh V.

    Ramesh V. Agency Contractor

    Expert Java J2EE Developer

    India - Last active: 12 hours ago - Tests: 3

    I am an expert Java J2EE developer with 9 years of coding experience I provide outsourced services for Java, J2EE and Angular JS. I can handle a project from requirement gathering, analysis, design, coding (both backend and frontend), Junit Test cases and automation tests. Project Experiences: Yayo is an eCommerce platform stitched specifically for the needs of Film Production Companies. I have designed and developed API's for both mobile and Partners, built a portal for Production Company Managers. Involved in the development of a project Moose, which uses GWT and Sencha GXT. Also implemented Full Text Search in GAE by providing an objectify kind of framework. Designed and developed Sentinel project, which provides Guest Access Portal. Used Free Radius and Jradius modules to authenticate dynamically generated Guests. Sentinel has 3 modules, Admin Portal, Sponsor Portal and Guest Portal. Paladin MultiOS is a Wireless security deployment platform and device tracking/management platform. It provides a reliable and affordable solution for deploying and monitoring secure networks in the age of BYOD. This is deployed on Amazon EC2 linux with tomcat as web server. Eostis is one of the leading classifieds website in France. I have worked to move eostis from the old legacy system to Google App Engine and made it survive from the maintenance issues and frequent server deeds. Involved in the development of several live online projects like http://www.theflowerexpert.com , http://www.pickupflowers.com , http://www.giftsnideas.com and http://www.flowersforcelebrations.com. Migration of a legacy ehealth tool to web application (Central Configurator) by using Spring, Hibernate, Web Services and Ibatis. Migration of a command line tool to GWT + EXT GWT web application. Provided a Command Line Interface for a web application by using Web Services. Google App Engine Projects: Converting SAP reports from email attachments to google spreadsheets. Developed a GAE + Vaadin application for a sales company to maintain there whole inventory.

    Associated with: Soft Suave

    $33.33 /hr
    3,827 hours
    5.00