Top Upwork Freelancers

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  1. David Meer

    David Meer

    Javascript Developer | Node.js, AngularJS

    Netherlands - Last active: 1 day ago - Tests: 8 - Portfolio: 2

    Innovation is my passion and Javascript is my weapon. I am very passionate about developing useful things to harness your full potential. Every night before going to bed I ask myself, "What did you do today?" and I love to be answered, "I have done something wonderful." I have an interest in the following technologies and libraries and use them to develop web applications: - Node.js, ExpressJS, LoopBack, Socket.IO - AngularJS, React - lodash, UnderscoreJS, jQuery, RaphaelJS, SnapSvg - Karma, Jasmine, Protractor, Selenium, PhantomJS - Twitter Bootstrap, Kendo UI Thanks, David

    $60.00 /hr
    269 hours
    5.00
  2. M Rizal Firmansyah

    M Rizal Firmansyah

    +15 years ColdFusion, VBA, Delphi Experienced Developer

    Indonesia - Last active: 3 days ago - Tests: 5 - Portfolio: 6

    New on oDesk. Special Introductory Price. 100% satisfaction or I don't deserve your money. +15 years experience. Solution oriented software engineer, designer and consultant. I'm an expert in architecting, developing, deploying and maintaining system solution at any scale. I've worked on simple websites to telecommunication backend with 12TB of data. One of my unique skill is that i'm very good in designing nice and friendly user interface. Another unique skill I have is that I'm equally proficient in Windows programming, UNIX, web app, Android and database. Being both an engineer and designer, I help clients bring their ideas into reality. Contact me today and I would love to hear about your business.

    $28.00 /hr
    508 hours
    4.92
  3. Yaroslav Mykhailov

    Yaroslav Mykhailov

    BigData Expert | Senior Java, Python Developer

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

    You are fell free to contact me in skype: jaroslav.mikhaylov Overview: ---------------- Hi, my name is Yaroslav. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. I work as Java/Python developer during 5 years. To be a developer, it is my dream from childhood. When i played in computer games, i dream to have skills that to write bot programs. Therefore i graduated master degree in Software Engineering. I worked as Software Developer at Ukrainian mobile operator on high load web service, July 2011 - May 2012. Since June 2012, I work at EPAM Systems as Software Engineer on project goal is migration part of data analysis workflow from traditional relational database to Hadoop framework. Customer face constant significant increasing of data amount to analyse and traditional relational databases as DB2 may stop meet all needs (price, speed, maintenance ease). Software being developed is designed to provide all needed data warehousing, analysis and ETL functionality on base of Big Data framework Hadoop including Hadoop Core, Hadoop File System, Hive, writing Restful services, clients for services and others. Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Master degree in Software Engineering, faculty of Cybernetics, from Taras Shevchenko National University of Kyiv, in the Ukraine. Listed below are my experience and skills. Python (I like use for data mining and bot programs :) Django, Crawler, Scrapy, Grab I prefer tasks in algorithms and artificial intelligence, that contains hard logic. Hobby: Ethnical hacking and CTF competitions :) City: Kiev, Ukraine Cell: +38 093 956 10 41 E-Mail: yaroslav91@gmail.com LinkedIn: https://linkedin.com/pub/yaroslav-mykhaylov/44/ba7/287/ru ODesk profile: https://www.odesk.com/o/profiles/users/_~014303d65dca07d82f/ Skype: jaroslav.mikhaylov CV: http://bit.ly/CV_Yaroslav_Mykhailov_ODesk Summary: ----------------- • 4 years of software development experience • 3,5 years of Java development experience • Strong Java background • English (Upper-intermediate) • Fun-loving and sociable

    $37.00 /hr
    153 hours
    5.00
  4. Jorge Ramos

    Jorge Ramos

    Senior Professional Outsystems Developer

    Portugal - Last active: 29 days ago

    Im a very experienced Software Engeneer and i have over 6 years of experience working with the Outsystems Agile Plattform. I've participated in several Outsystems projects, some of them in a teamwork environement, others as a standalone Developer. My experience goes from building just parts of applications to develop and maintain complete Applicational Environments. I've Worked in projects with Health, Education, Banking and Goverment Environments. Also i've worked to clients from Portugal, Angola, United States and Australia.

    $33.33 /hr
    99 hours
    4.94
  5. Dmitry Sytchev

    Dmitry Sytchev

    Asterisk/Freeswitch/Kamalio expert, VoIP engineer, Linux administrator

    Russia - Last active: 1 month ago - Tests: 7 - Portfolio: 1

    I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My professional interests are Callcenters, automated dialer systems and integration of VoIP software with company information flows. You can rely on my strong engineering and programming skills for projects starting from single VoIP server to a complete wholesale/carrier VoIP solutions including billing, call data analysis, security and fraud prevention. I have developed complete SIP solutions for VoIP carriers worldwide: Proxy/Registrars, IVR, prepaid systems, multi-tenant VoIP switches, hardware PSTN gateways (Cisco AS5300/5500, Audiocodes Mediant 2000, Quintum Tenor). I have experience in setup, administration and security of Asterisk, FreePBX, Elastix and FreeSWITCH PBX installations. As a programmer I use PHP, Javascript (both client-side using jQuery and Angular.js and server-side with node.js), Perl (system scripts/applications, Mojolicious webapps). I also have experience in development and administration of MySQL and Microsoft SQL Server databases. I'm experienced network engineer, skilled in routing and switching, general network architecture planning and deployment, network monitoring and security, including HA solutions (heartbeat/pacemaker). I use Zabbix and have some experience with Nagios and other monitoring software. I can also offer you consulting support in VoIP and network technologies.

    $33.33 /hr
    93 hours
    4.96
  6. Stefan Djordjevic

    Stefan Djordjevic

    C/C++ Linux environment developer

    Serbia - Last active: 1 day ago - Tests: 4

    Interested in Algorithms, Data structures, general programming, and, in general, Linux development and administration. Having knowledge in wide range of programming languages and techniques, primary is C lang, C++, Java, seeking to expand my knowledge with various techniques and by solving problems. Open for communication and patient when solving problem in smart ways. Student of Faculty of Mathematics, Master of Informatics(expected graduation 2015), Holding Bachelor Degree in Informatics from Faculty of Mathematics, University of Belgrade, Serbia.

    $4.44 /hr
    128 hours
    4.98
  7. Maciej C.

    Maciej C.

    Certified Microsoft SQL Server/BI Specialist

    Poland - Last active: 16 days ago - Tests: 3

    I'm Microsoft certified professional with 7 years of experience related to SQL Server. I was working in all aspects of development within SQL Server. Initially I started as relational database developer and successfully I was moving more into Business Intelligence part of SQL Server. Currently I work as senior data warehouse developer on permanent basis in UK. To my responsibilities belong business requirement gathering, data analysis, data modeling and then developing SSIS packages and SSAS cubes.

    $33.33 /hr
    233 hours
    5.00
  8. Mikayel S.

    Mikayel S.

    Senior C++/STL Developer

    Armenia - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    Programming Languages - C/C++ (STL), C# .NET, Python, SQL, Assembly Language of Intel x86, Lisp, Smalltalk, Bash Script, HTML, CSS. Environments - Linux , Vim, Microsoft Visual Studio Excellent knowledge of Object Oriented Programming, Generic Programming, Data Structures, Operating Systems, Parallel Programming, Embedded Programming, Functional Programming, Compilers, Robotics, Computer Networking.

    $20.00 /hr
    68 hours
    5.00
  9. Evgeny V.

    Evgeny V.

    Expert in web development, PHP, JavaScript, database programming

    Russia - Last active: 1 day ago - Tests: 5

    I have more than 5 years of experience in web-sites creating, using PHP/MySQL for backend and HTML/CSS/JavaScript for frontend. Also, I have been working with Oracle database for more than 10 years (procedures, functions, packages, triggers etc on PL/SQL). I have experience in developing client applications on C#. My skills: Web: PHP, JavaScript, jQuery, HTML5, CSS, WordPress, Bootstrap, Python Database: MySQL, Oracle 10g/9i/8i (PL/SQL as well), SQLite Desktop: C#, WPF

    $15.00 /hr
    15 hours
    5.00
  10. Yashpal Gohil

    Yashpal Gohil

    C++, Qt, VC++

    India - Last active: 3 days ago - Tests: 5 - Portfolio: 3

    In more than 7.5+ years I have developed softwares for desktop application and embedded platforms. Worked in different domains like education, security, farming soluction and PLM. Have expertise in C++ with Qt and VC++ on different version of OS of windows and Linux. Software Developement models used are Agile developement practice and waterfall model. Different version control systems I have used so far are, Mercurial, Git, SVN and CVS I believe in delivering quality product with end to end solutions for my clients.

    $22.22 /hr
    32 hours
    5.00