Top Upwork Freelancers

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  1. Adriana G.

    Adriana G.

    Professional sofware developer

    Romania - Last active: 4 months ago - Tests: 11 - Portfolio: 1

    I am a professional software developer with over 10 years of experience in analysing, designing and developing enterprise applications. The developer's moral responsibility should not end once the program is deployed and the project is formally accepted. My measurement of success takes into account not only how well explicit requirements are implemented, but the degree to which the architecture is designed to accommodate new features, allowing the project to grow. Skills and competencies: - Programming languages and technologies: C/C++, Java, SQL, Php, Java Spring, Spring Web Flow, Hibernate, JSP, Java Script (Ext JS, Secha Touch, JQuery, Ajax) – Markup Languages: HTML/DHTML, XML, XSL – Modeling languages: UML/OCL – Database management systems: PostgreSQL , PostGIS (stored procedures, triggers,database optimization, load balancing), MySql – Operating Systems: Linux, Windows, MacOS – Other: Latex, Metapost

    $27.78 /hr
    364 hours
    4.59
  2. Minakshi Mishra

    Minakshi Mishra

    C++, C#, MFC, WxWidgets, Directshow, COM, WIN32 API, Sockets,Boost,SQL

    India - Last active: 07/07/2014 - Tests: 1

    I have 10+ years experience in developing applications for reputable Product Development companies in India and US. My core expertise is in C++, MFC, WxWidgets, DirectShow, COM/DCOM, WIN32 API, Socket Programming, BOOST library, STL, C#, XML, SQL Server etc. I have expert level command on Multithreading, OOPS concepts, Algorithms and Data Structures. My greatest strength is my commitment. I take great pains to make my programs readable and elegant, in addition to being correct and efficient.

    $44.44 /hr
    80 hours
    5.00
  3. Anvar Kiekbaev

    Anvar Kiekbaev

    Java Developer

    Russia - Last active: 5 months ago - Tests: 3

    Java developer with 3+ years experience. I have worked with Java SE 6/7/8 JDK and Java EE 6/7 stack. Frameworks and Technologies: Guice, Netty, Apache Thrift, Google Protobuf, Disruptor, Akka, Play 2; Spring 3/4 (DI, AOP, Security), Apache CXF, Apache ActiveMQ; backbone.js, jquery, bootstrap. I would really like to be a part of a complex high load project as a backend developer. I always willing to explore new areas of software development.

    $20.00 /hr
    58 hours
    5.00
  4. Mariusz Z.

    Mariusz Z.

    Penetration Tester, Linux/UNIX Security Admin,Intrusion Analyst, CISSP

    Poland - Last active: 3 months ago - Tests: 9 - Portfolio: 1

    I'm Linux Security Administrator & Web Application Penetration Tester with 8 years of experience in the IT field. I'm CISSP (ID# 478556) and OWASP member. My expertise ranges from designing, building secure & robust systems to analysis of subtle software security flaws. I can help you with: - thoroughly security testing your web application (black-box and/or white-box tests) and helping in mitigating detected vulnerabilities - analyzing and assessing vulnerabilities in your application's underlying IT infrastructure - security hardening Linux/UNIX servers/clusters - recommending solutions and best practices on how to design and maintain secure AWS infrastructures - responding to security incident in Linux/UNIX environment, helping in recovery process (rootkit detection, malware removal, etc.)

    $19.00 /hr
    123 hours
    4.79
  5. Shamandura C.

    Shamandura C.

    Game Developer

    Philippines - Last active: 01/12/2014 - Tests: 1

    I seek for opportunities to develop fun and exciting games and hone my programming, math, and physics skills in the process. I have a broad experience with Unity3D and have worked with Unigine as well. I was involved in MMORPG projects and wrote game flow, UI, networking, physics code as well as some shaders. I now work with a team developing mobile games for IOS. I am a front end developer but engage in back end code writing and maintenance as needed. I have used the following tools and languages: Unity3D, Unigine, UnityScript, UnigineScript, C++, Photon, Badumna, XM, SQL, PHP If you think I have the skills you need, please feel free to contact me.

    $30.00 /hr
    424 hours
    4.80
  6. Ivan Dunkiy

    Ivan Dunkiy

    Mobile developer

    Ukraine - Last active: 5 months ago - Tests: 3 - Portfolio: 1

    I'm end-to-end mobile developer. Made and released 7 projects both for Android and iOS. Used to work with technologies such as: REST, ORM, Push Notifications, SQLite, Google Maps, GSON, PayPal and others. Custom Layouts and Views creation. Used multithreading, background services, gestures listeners. Deliver your project from the start with specifications, requirements and design developing to the end with making support and analysis.

    $27.78 /hr
    22 hours
    5.00
  7. Ahmed Fathy

    Ahmed Fathy

    MCSD Certified .Net Senior Software Engineer

    Egypt - Last active: 4 months ago - Tests: 2 - Portfolio: 1

    I am a challenge seeker, I just like hard duties that puts me under mental and physical pressure, Since being a student at faculty of engineering till now i am trying to beat life challenges, I gave a lot of technical and educational sessions by age of 20 and started my career by then as an embedded SW engineer at a multinational company and then by the age of 21 as a research and development engineer to invent a new RFID positioning technique that was nearly going to be published as a patent but time didn't allow this to happen and then began my .Net software carrier till now to develop various stand alone and an integrated software modules for large and small size companies, Just check my complete LinkedIn profile to see that i don't let anything to the chance, I just plan and conquer. I am also a Microsoft certified professional, specialist and solutions developer who built up a huge number of complete, integrated apps using C#, WPF, Silverlight, WCF, Web services and a lot more techs. I am looking forward to be hired by a client who have a great challenge for me that i can apply my experience in.

    $22.00 /hr
    703 hours
    5.00
  8. Diwas Pathak

    Diwas Pathak

    Experienced Java Developer

    Nepal - Last active: 5 months ago - Tests: 2 - Portfolio: 4

    I've been in the web/mobile development field for more than 6 years. When I started developing JavaEE applications for a local company. I've worked on a variety of applications using numerous frameworks like struts, spring MVC, hibernate,JSF,etc. Most of my web application has been developed using MVC design pattern. I am able to not only build applications from the ground up but also to add functionalities to existing application, open source and commercial applications. As an experienced Developer i give special attention in the security and understand risk involved in web application. Apart from being a web developer I am also a experience with databases like MsSql, MySql,CTree,etc. Besides this I use to teach Java courses to professional working in other companies and Engineering students.

    $12.22 /hr
    131 hours
    4.77
  9. Raditya Perdhevi

    Raditya Perdhevi

    C/C++, Java, .Net, PHP, Delphi/FPC(Lazarus) Developer

    Indonesia - Last active: 2 months ago - Tests: 12 - Portfolio: 5

    In the past 8 years I have been assisting people that I worked with, making small applications to make their work easier, and I want to extend my self to assist others in making their work easier. And since i'm quite good with accounting combined with software development background, I believe that these skills would greatly assist on business related application. Hope that I can assist you in building your business.

    $20.00 /hr
    9,112 hours
    5.00
  10. Bhupinder S.

    Bhupinder S.

    Good Android application developer

    India - Last active: 4 months ago - Tests: 2 - Portfolio: 5

    I have 2 year experience as an android application developer in an organization. I can utilize my skills to achieve the goals of any organization.I have skills to handle the challenging projects and provide the quality work. I have strong knowledge of JAVA, JAVA SCRIPT, C, C++,Objective c programming languages.I also have experience with IPHONE application development and managing database using MYSQL and SQLITE.

    $7.78 /hr
    10 hours
    5.00