Top Upwork Freelancers

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  1. Dmitri Knyazev

    Dmitri Knyazev

    Delphi Programmer

    Russia - Tests: 4

    I am 42 years old, my total programming experience is more than 20 years. Programming has been my only source of income all these years. I have an experience in ASM, C, C++, HTML, JavaScript, PHP, MySQL, but my favourite language is Pascal. Delphi programming experience last 14 years (Deplhi 3 was my first IDE). More than 30 finished projects since 2000 on Delphi in a different areas of life : - supervisory control and data acquisition software - checkers game software - gambling machines (including 3D graphics) sotfware - www parsers, bots, checkers e.t.c. - databases (MySQL)

    $19.44 /hr
    420 hours
    5.00
  2. Pradipsinh Vadher

    Pradipsinh Vadher

    Web & Software Developer. Hardcore Coder. Full-time Freelancer.

    India - Tests: 3 - Portfolio: 13

    I write the code which is easily readable, modern, clean and well-commented. Optimized for better performance, security and memory management. As of April 2013, I have total 3.4 years of experience as PHP Developer in Facing Solution in Jamnagar, IN. During this time I worked on several websites using PHP & CodeIgniter. I also made Android & J2ME apps for websites. I specialize in several programming languages. I have developed hundreds of desktop applications using C-Win32, VB and C#, firefox extensions+scripts using JavaScript and mobile applications+mods using J2ME. What I offer: • Web Development using PHP, CodeIgniter, JavaScript, jQuery, HTML5, CSS3, JSP, Servlets. • Web Scrapping from any site to MySQL, Excel, XML. Highly accurate and fast bot run on top of browser for data extraction. • Firefox, Chrome, Opera and Internet Explorer userscript extension/addon development using JavaScript. • Firefox extension/addon development using XUL. • Windows Software Development using C#, Visual Basic (6, .NET), C++ (Win32), C • Cross-platform Software Development with Java, Mono.NET. • Linux Software Development with Gambas2. • Mobile Application Development using Android, J2ME.

    $29.99 /hr
    1,028 hours
    5.00
  3. Alexander I.

    Alexander I.

    C++/C# Developer

    Ukraine - Portfolio: 4

    Software developer with 6 years experience and excellent feedbacks. Skills: C# (3 years), WinForms, Linq, ADO.Net; C++ (3 years), VCL, STL, WinAPI, Winsock; SQL, VB, HTML, Java Script, AutoIt, Autohotkey. When working with me: • I track only actual working time, so you'll not see screenshots unrelated to the job, but full working day is considered 3 hours (charged accordingly 3*16$, not 8*16$). • I provide 1 week trial with full refund, in case client is not satisfied. But this is also a trial for me. • I accept only hourly projects. The project itself can be fixed-price (so that the client is not charged automatically), but with hourly approch to the payment. • I don't accept urgent jobs. Additional notes: Curretnly available for 10 hours per week.

    $16.00 /hr
    933 hours
    4.97
  4. Kostia B.

    Kostia B.

    Python developer

    Ukraine - Tests: 4

    Over the last 5 years I've studied Computer Science at Kyiv National Taras Shevchenko University. During this time I took part in a final and a semifinal of All-Ukrainian Student ACM Olympiad, two finals of All-Ukrainian Programming Contest (one of them I won). Worked as an outsourcer for one German company for one year. My obligations were to develop XQuery/XPath scripts for a big framework, based on Web-Harvest. Also I have prepared a number of presentations for talks on scientific and introductory Python.

    $22.22 /hr
    3,312 hours
    5.00
  5. Debal G.

    Debal G.

    Java/JEE Specialist

    India - Tests: 3

    Around 9 years of software industry experience in Java and J2EE technology stack. Worked with industry standard web frameworks like Spring, Struts 1.x, Struts 2, JSF 2 with extensive SQL and PL/SQL exposure. Extensive experience with application servers like Websphere 6, JBoss 7, Apache Tomcat 7, Jetty etc. Experienced with distributed transaction management with 2PC protocol and involving heterogeneous transaction participants. Highly experienced in multi threaded standalone data flow engine development leveraging Java 5 concurrency framework. Proficient in enterprise integration with middle-ware technologies like Websphere MQ, Tibco EMS and integration framework like Spring-Integration.

    $27.78 /hr
    898 hours
    4.90
  6. 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
  7. Vitali D.

    Vitali D.

    Expert Rails and full stack web developer

    Moldova - Tests: 13

    I have big experience in development of heavy loaded sites I have big experience in development of Facebook/Twitter/Linkedin applications I'm an expert Ruby On Rails developer I speak fluent on PHP/Perl/MySQL/Javascript I deliver correct good written code I never give up and try to solve problems in the best way. And btw, I have Master Degree in Computer Science. I'm interested in big hard projects where I can demonstrate all my skills.

    $33.33 /hr
    690 hours
    5.00
  8. 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
  9. Abeer Mostafa

    Abeer Mostafa

    SW Expert, Professional Project Manager, Technical consultant

    Egypt - Tests: 2

    Seeking new challenges in management by which I can effectively utilize my managerial skills as a PMP certified as well as my 13 years working experiences in the Information Technology field, To gain more experience and professionalism in management in different managerial areas as the project scope management, schedule, budget, quality and change control, and to contribute gaining more experience towards the qualitative enhancement of my organization

    $33.33 /hr
    1,260 hours
    5.00
  10. Zhuhriansyah R.

    Zhuhriansyah R.

    Web Technology Programmer

    Indonesia - Tests: 5 - Portfolio: 2

    I'm a professional programmer. Experienced as technical software development leader for +10 years. Excellent at web technology and mobile web platform. I'm a fast learner, hardworking, strong analytical, and good problem solving. I had good educational background and expertise to solve problem with non algorithmic approach, such as artificial intellegence methods, indexing, and others. Experience on Yii, Laravel, HTML5++, Cordova, AngularJS, Ionic, Delphi, Android, iPhone

    $15.00 /hr
    53 hours
    5.00