VoIP Consultants & Developers

Showing 271 freelancers

VoIP Consultants & Developers

Showing 271 freelancers

  • AWS Admin/Architect

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high … more

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high tech companies across the globe. If it is configuring routers or switches. Working in the Cloud with Amazon, Rackspace Etc. Linux, Windows or anything in between then I am your man.  less

    computer-networking wan amazon-ec2 network-administration network-planning network-security cisco-routers cisco-ios load-balancing security squid iptables memcached firewalls ubuntu amazon-web-services amazon-s3 virtualization microsoft-hyper-v vmware-esx vmware-administration ldap samba mac-os-app-development openvpn vpn linux-system-administration 00 more less
    • $44.44 HOURLY RATE
    • 4.9
    • 1735 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
  • Java / UI / UX GWT developer

    Worked on GWT applications and Third party library like SmartGWT, Ext-JS etc. Have experience in customizing and creating components. I have experience in working with AppEngine and J2EE web application. I do have experience with android programming, REST API, JSP … more

    Worked on GWT applications and Third party library like SmartGWT, Ext-JS etc. Have experience in customizing and creating components. I have experience in working with AppEngine and J2EE web application. I do have experience with android programming, REST API, JSP, Spring, Hibernate, AJAX etc. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.  less

    java j2ee gwt hibernate vaadin-framework extjs rest web-crawler stored-procedure-development jasperreports 00 more less
    • $13.99 HOURLY RATE
    • 5.0
    • 4481 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
  • Software tester for over 4 years

    To join an organization that gives me a chance to prove my ability, knowledge and efficiency and contribute my skills towards the growth of the organization. Operating Systems : Windows 9x/2000/XP, Linux Programming Languages : C, C++, Verilog Assembly Languages … more

    To join an organization that gives me a chance to prove my ability, knowledge and efficiency and contribute my skills towards the growth of the organization. Operating Systems : Windows 9x/2000/XP, Linux Programming Languages : C, C++, Verilog Assembly Languages : 8086, 8085 & PIC series Database : SQL Server, Oracle Front End Tools : Visual Basic 6.0  less

    c c++ verilog software-testing 00 more less
    • $5.00 HOURLY RATE
    • 5.0
    • 1838 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Professional iOS, Android and Delphi developer. Software Engineer.

    I am from Rostov-on-Don, Russia. I have a diploma in mechanics, mathematics, and Computer-science, as well as 4 years of full life cycle software design, development and maintenance. My experience makes me an expert in Objective-C, iOS SDK, Java, Android … more

    I am from Rostov-on-Don, Russia. I have a diploma in mechanics, mathematics, and Computer-science, as well as 4 years of full life cycle software design, development and maintenance. My experience makes me an expert in Objective-C, iOS SDK, Java, Android SDK, Delphi and best practices. I able to jump into any project to fulfill any unexpected vacancy to drive the project to completion on time and within the budget. Over the past few years I have successfully developed and published many applications for Apple Appstore and Google Play. This illustrate my performance, responsibility, and high level of interest. Separately, I would like to give a list of names of known things that I well know how to use: ✔ Objective-C, ARC, Cocoa Touch, Foundation Kit Framework, UIKit Framework, iAd Framework, MapKit Framework ✔ CoreData Framework, SQLite, SQL ✔ AVFoundation, OpenGL, OpenAL ✔ CFNetwork, HTTP, SOAP, JSON, XML, REST, TCP/IP, UDP, SSL ✔ CoreLocation, Push notifications, Zlib, threading. Now I'm ready to turn your ideas into great mobile apps and to find a long-term partnership. Please contact me if you are interested.  less

    delphi c++ driver-development tcp-ip ssl network-security android-app-development ios-development javascript java node.js 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 2094 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 12 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • Senior developer, prefer Nodejs, MongoDB, Meteor

    - Graduated from Clemson University with MS degree in Computer Science - Founded Designveloper, an outsourcing company focusing on delivery of most elegant web design, responsive, single page, real-time web application, cross platform mobile apps, games and VOIP implementation While researching the … more

    - Graduated from Clemson University with MS degree in Computer Science - Founded Designveloper, an outsourcing company focusing on delivery of most elegant web design, responsive, single page, real-time web application, cross platform mobile apps, games and VOIP implementation While researching the latest technologies such as Nodejs, mongodb, I felt in love with javascript, nosql and decided to follow an all-javascript solution. Here is the list of some technologies I am using: meteor, coffeescript, nodejs, mongoDB, sailsjs, gruntjs, angularjs, handlebars, styl, jade... I am really concern with product quality. Therefore I am using Git, Bamboo for continuous integration, continuous deployment. Here are some testing framework that I am using: Cucumberjs, Dalekjs, phantomjs, webdriver.io, jasmine, mocha, shouldjs, mustjs, unitjs Besides of those mentioned above, I have strong, skills on web developing with PHP, Python, Java. I used many frameworks such as Codeigniter, Yii, Zend, Django, Wordpress, Magento, Concrete5. I also work on signal processing field like voice to text system, used Sphinx. Worked with Oracle Retail Solutions. Accompanying with me are talented people in my own company. You can contact me for solutions on custom web, mobile design and developement, as well as VOIP implementation. We are following agile development methods: Test Driven Development, Behaviour Driven Development, pair programming.  less

    microsoft-word wordpress opencart html5 css3 php objective-c c++ javascript adobe-photoshop codeigniter sphinx twitter-bootstrap svn github retail-merchandising 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 4445 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Application Developer with more than 10 years of experience

    its not often when someone get paid to do what they enjoy, well I do consider myself lucky in that aspect, A career spanning more than a decade with almost all that being driven by the un-ending hunger for the … more

    its not often when someone get paid to do what they enjoy, well I do consider myself lucky in that aspect, A career spanning more than a decade with almost all that being driven by the un-ending hunger for the "high" that you get when you see your creation flowing like water in a stream and change people and organizations. I am a perfectionist, there is nothing like a good challenge, If you have a issue I am quite sure that I am able to resolve it and the solution would be a simple elegant design that will do the job.  less

    delphi pascal wan ios-development ruby-on-rails 00 more less
    • $22.22 HOURLY RATE
    • 4.1
    • 1775 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 10 TESTS
    ASSOCIATED WITH:
  • javier avila

    • $3.47 HOURLY RATE
    • 3.9
    • 1008 HOURS
    • CHILE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Network Security Engineer

    Results oriented and analytical professional, equipped with in-depth expertise in network engineering, including strategic planning, high performance team-building, and implementation of best practice methodologies and continuous improvement programs. Well-organized professional with extensive experience in customer service, client relations, and problem … more

    Results oriented and analytical professional, equipped with in-depth expertise in network engineering, including strategic planning, high performance team-building, and implementation of best practice methodologies and continuous improvement programs. Well-organized professional with extensive experience in customer service, client relations, and problem resolution combined with proven ability to perform challenging tasks with precision and keen attention to detail. Demonstrated success in troubleshooting data networks with security/PKI/VOIP flavors, increasing efficiency, and optimizing the access and utilization of shared information, with verifiable success in developing solutions that improve the efficiency of IT operations.  less

    microsoft-exchange-server microsoft-small-business-server-administration vpn data-backup 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 1438 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 13 TESTS
    ASSOCIATED WITH:
  • Senior Software Engineer

    • $11.11 HOURLY RATE
    • 5.0
    • 2747 HOURS
    • BELARUS
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
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