Top Upwork Freelancers

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  1. Kolumban Lehel

    Kolumban Lehel

    Mobile and web game developer

    Romania - Tests: 1 - Portfolio: 4

    I have 8 years experience with Flash ActionScript 3, creating social, mobile, browser games and apps, websites, highly configurable flash components and other various projects. Strong experiences in creating games: car game with physics, casino games (slot games, video poker, blackjack, roulette), facebook games, numerous card and puzzle games, mobile (iOS, Android) and browser games, multiplayer games. Strong experience in the development of Flash Applications with heavy server communication (Remoting, Sockets, JSON) and JavaScript / Flash bridging In-depth knowledge of ActionScript 3, XML, FlashDevelop Tool, Air, OOP, PureMVC and design patterns. Basic JavaScript, PHP (AMFPHP) and MySQL knowledge. Specialities: Flash ActionScript 3, games, Air, Android, iOS, Nape physics engine, Starling

    $22.22 /hr
    24 hours
    4.99
  2. Vu Duy Tu

    Vu Duy Tu

    JavaScript, CSS, HTML and Java

    Vietnam - Tests: 3 - Portfolio: 2

    I have 6 years experience developing web and desktop applications . I have some projects created with PHP, JAVA (Applets, Swing, JSP, JSF, JBOSS, Servlets), JavaScript, CSS. Try to find more opportunities for development of websites as well as desktop applications. I consider myself self-taught and always willing to acquire additional skills and training as required. I also havesome experience in SOA (Service Oriented Architecture), XML, AJAX and Photoshop. Skin by ohloh: https://www.ohloh.net/accounts/tuvd My git: https://github.com/tuvd08

    $22.22 /hr
    16 hours
    4.94
  3. Lai Tash

    Lai Tash

    Python developer

    Russia - Tests: 3

    Hello and thanks for your interest in my profile. I've started my programming path in mid 90th, starting from atari and msdos programming. Approximately five years ago i've turned my face on Python, which now became my prefered programming language and the one i have the most experience with, both in desktop and web development.

    $20.00 /hr
    396 hours
    4.94
  4. Ouadie LAHDIOUI

    Ouadie LAHDIOUI

    Java/JEE Technical Expert

    Morocco - Tests: 1 - Portfolio: 5

    My web site : http://ouadie.tk/ - Technical expert with 6 yrs. of experience in Java/J2EE skills - Hands on experience in JSF, Spring, Hibernate - Expertise in Web service - Experience of having developed complex web applications with stringent Non-functional requirements - Good to have know-how of EAI tools and concepts - Strong knowledge on banking domain - Knowledge on Consumer Lending / Auto finance - good to have - Good communication skills

    $20.00 /hr
    22 hours
    5.00
  5. Jibran Ahmed

    Jibran Ahmed

    Python Web Developer (Django)

    United Arab Emirates - Tests: 12 - Portfolio: 6

    I'm a Python developer with over 5 years of experience in developing web apps in Django. I have worked on some of the biggest sites in the Middle East, including Dubizzle (the #1 classifieds portal in the UAE and MENA region), Nabbesh (A Middle East focused freelancing platform) and JustRentals.com. Each of these sites generated millions of hits per month, with Dubizzle being the #7 ranked website in the UAE. Working at these scales has taught me a lot about how to develop Django based web applications that can scale to handle any amount of traffic, and I've worked with teams of over 50 developers, learning how to write good clean code that others can work with.

    $40.00 /hr
    72 hours
    4.67
  6. Kristopher Matney

    Kristopher Matney

    Damn Good .Net Developer

    United States - Tests: 3 - Portfolio: 1

    15+ years of programming experience in multiple languages. The last 12 years or so have been focused on Web Development using ASP.Net (VB and C#), JavaScript, and SQL in the Microsoft Visual Studio environment. An adept problem solver and critical thinker residing in the greater Boston area, I work efficiently and communicate effectively. I believe in delivering only quality, flexible, maintainable code to my clients. Software development and solution architecting, specializing in but not restricted to - Requirements Gathering, C#.Net, VB.Net, SQL server, database design, Silverlight, AJAX, multi-tier architecture, web services, WCF, JavaScript, PHP, and Windows Forms. Past deliverables include... - company intranet web applications - reporting system - scraping engine - invoicing system - company utilization tool - online corporate directory - corporate web sites

    $55.56 /hr
    378 hours
    5.00
  7. Gregory Antrim

    Gregory Antrim

    Web Developer

    United States - Tests: 6

    I am an intelligent hard working developer with programming knowledge of C++, C#, Java, and Visual Basic. I have several years experience with front end design including experience with HTML5, CSS, jQuery,Zurb Foundation and Twitter Bootstrap. I also have enterprise level experience with various front-end and backend javascript based technologies including NodeJS, AngularJS, SailsJS

    $20.00 /hr
    10 hours
    5.00
  8. Rudolf De La Cruz

    Rudolf De La Cruz

    VOIP Expert

    Philippines - Tests: 1

    Work History Ring Central (Mandaluyong City) (2010- Present) Tech support T2 (ASG Floor Support)  As a Technical Support Engineer I provide high value implementation and support to our largest enterprise customers.  Self-motivated with the ability to dive right in, be effective and make a difference  Delivering value to customers by helping them get the most out of their RingCentral service.  Helping them setup and optimize their hosted PBX solution to meet their business needs.  Troubleshoot their network, router, firewall and ISP connections to optimize their VOIP quality of service.  Apply expert knowledge of RingCentral services, VOIP technology and networking hardware and software  Provide premium implementation and technical support to RingCentral’s largest customers  Plan, design, install, maintain, troubleshoot and repair RingCentral’s solutions  Understand network architecture required to support RingCentral’s VoIP services  Recommend network hardware, software and design elements  Answer difficult technical questions, solve technical problems and suggest appropriate workarounds  Utilize network performance monitoring tools to isolate and root cause issues  Provide quick and accurate handling of support interactions – phone, chat, screensharing, email.  Experience with VOIP technology and terminology including SIP, RTP, QoS, COS, CDR.  3+ yrs experience in customer focused role - post-sales technical support  Experience configuring, updating and supporting VOIP solutions in a multi-location environment.  Ability to work efficiently in a highly demanding, team-oriented and fast paced environment

    $10.56 /hr
    440 hours
    4.72
  9. Leonid Sydorenko

    Leonid Sydorenko

    MQL4, C#, SQL, MS ACCESS - Expert, developer and just a good guy.

    Ukraine - Tests: 1

    I am team leader of small group developers in IT company. We specialize at creating expert advisors at MQL4/5 and C based trade platforms, C# applications, SQL and MS ACCESS databases, SharePoint projects. Have more than 5 years of professional experience in creating expert advisor At MQL4/5 and C based trade platforms , C# applications, SQL and MS ACCESS databases. And more than 3 years of professional experience in SharePoint Development, Configuration and Administration, Office 365 Development.

    $45.00 /hr
    158 hours
    4.87
  10. Khoa Nguyen

    Khoa Nguyen

    Senior Winform, WCF, ASP.NET, Extjs, SSRS / RDLC, Telerik, DevExpress

    Vietnam - Tests: 2 - Portfolio: 3

    Experienced with technologies and frameworks: - WinForm with C#, VB.NET, DevExpress, Telerik UI libraries - ASP.NET (MVC) with ExtJS, Ext.NET, jQuery, Kendo UI, and DevExpress - WCF, Web API, Entity Framework - SSRS / RDLC reporting - MS-SQL Server / T-SQL Typical past projects: 1. Online CRM system: A web-based application designed to function as an online CRM system for organizations operating funds in managing fund allotments, transfers, reinvestments, and distribution. Not only for fund management but the CRM also provides core functionality to allow plugin other modules such Contract management, Project management, etc. Technologies used: - ASP.NET 4.5 (C#) - Entity Framework 6.0 - WCF Service providing REST API - Extjs 4.0 - RDLC report technology - MS SQL Server 2012 2. Waterfall calculation web-based application: A web-based application designed to perform complex waterfall calculations for alternative investment funds. Specifically the application automates the Carried Interest Calculation (Calc) which is used to determine the fund manager’s compensation in regards to the profits of the fund. Technologies used: - ASP.NET 4.5 (C#) - jQuery, jgGrid - MS Reporting Service - Microsoft Enterprise Library - MS SQL Server 2012 3. Insurance claim handling: A desktop application to handle insurance claims. The system was developed using VB.NET, Entity Framework, and DevExpress with a lot of T-SQL coding via stored procedures. Technologies used: - VB.NET - Entity framework - DevExpress - MS SQL Server 2012

    $16.67 /hr
    1,410 hours
    4.89