Top Upwork Freelancers

Clear all filters
  1. Muhammad Sohaib

    Muhammad Sohaib

    VOIP Developer, Asterisk, A2billing, Freeswitch , AGI, IVR, PHP, MYSQL

    Pakistan - Last active: 11/02/2013 - Tests: 5

    I have more than 5 years of experience with different tools of VoIP Especially Asterisk. I got hands on experience of Asterisk, Click2Call, Callback, A2billing, Vicidial and AGI custom script writing, IVR development using PHP, Mysql. I have the ability to learn new technologies through the use of self-study materials and intuition. I pay close attention to details while performing technically detailed tasks. I have reasonable experience with: - Asterisk distinctive Dial Plans and IVR - A2billing customization and Redesign - Asterisk Integration with Web Applications and CRM. - IVR development - AGI script writing - VICIDIAL a predictive and auto dialer redesign and customization - FreePBX and Trixbox for small office/home offices I have been working in a challenging and competitive environment where I practically applied and improved my technical knowledge & experience acquired from my education & career, concurrently groom my personality by working in a team of competent individuals.

    $27.78 /hr
    249 hours
    4.95
  2. Jonathan H.

    Jonathan H.

    HTML5--CSS3--jQuery--PHP--MySQL--WordPress--ActionScript3

    United States - Last active: 01/06/2014 - Tests: 10 - Portfolio: 13

    Hi, my name is Jonathan Hatten and I am a Professional Web Developer. I have been working in this field for the past 7 years and I have a strong knowledge of many coding languages used in many websites including HTML5, JavaScript, MySQL, PHP, XML, ActionScript3 plus many more. If you want to know more about me and my work go to my website at http://www.27developer.com/.

    $14.00 /hr
    162 hours
    5.00
  3. Waqas Latif

    Waqas Latif

    Web Designer and Web User Interface Expert

    Pakistan - Last active: 2 months ago - Tests: 5 - Portfolio: 3

    As an individual I believe in providing excellent quality web design and development services to clients. I have already worked on a few projects and am looking to gain more experience. As a self-motivated and dedicated computer science major I do have the necessary education background to complete a project.I'm passionate about my work and believe in in-time task completion.

    $11.11 /hr
    57 hours
    4.95
  4. Dmitry D.

    Dmitry D.

    QA Engineer (Functional / Usability / Security / Load)

    Ukraine - Last active: 4 months ago - Tests: 2 - Portfolio: 2

    I am QA Engineer by profession and a perfectionist by nature, and for me it is very important to do everything perfectly and bring to a conclusion. I am constantly evolving and moving forward. The last couple of years I have been honing the skill for manual testing, improving my skills in the use of black box testing techniques such as equivalence class testing, boundary value analysis, state transition testing, pairwise testing, etc. Now I'm studying automated testing and making progress in this direction. I use C# and WebDriver for test automation. SKILLS: • Functional, Usability, Security, Load. • Bug Tracking: JIRA, Mantis, Bugzilla, Trello. • Programming: Ruby.

    $11.11 /hr
    80 hours
    5.00
  5. Ren Pillai

    Ren Pillai

    SharePoint 2010 / Silverlight /MS Dynamics CRM - Architect / Developer

    India - Last active: 10/03/2013 - Tests: 1

    I have around 13 years of experience in all phases of project cycle using different Microsoft technologies like SharePoint, Silverlight, ASP.NET, C#, WinForms, WebServices, XML, JavaScript, AJAX, LINQ, HTML, DHTML, CSS, PHP etc and back-ends like MSSQL Server 2008,2005,2000, MSAccess, MySQL etc. From 2005, I have been mainly working on SharePoint Technologies which involved design, configuration, custom development, administration and maintenance. I am currently working on SharePoint 2010, I have also worked on SharePoint 2007 and 2003. I have installed and configured Microsoft Dynamics CRM and integrated it with SharePoint. I have also integrated SharePoint with SSRS, Oracle and SAP. Through oDesk I am looking forward to use my SharePoint skills to execute projects which will meet quality standards.

    $27.78 /hr
    202 hours
    4.85
  6. Derek K.

    Derek K.

    Senior .Net Developer

    United States - Last active: 01/07/2014 - Tests: 6 - Portfolio: 2

    Over the last 10 years, I have developed a wide range of software applications and websites using the various versions of .net including sites for startup companies, small and large businesses. You can view some of my recent projects at www.dilatingdesigns.com. I stay up-to-date with the latest technology, love learning and am highly motivated. I have worked on teams all over the globe (US, India, Germany, Australia and Signapore) as both team member and team leader on projects large and small. I would make an excellent addition to your team.

    $49.28 /hr
    1,377 hours
    4.41
  7. Antonio M.

    Antonio M.

    Expert 8+: PHP, MySQL, Postgres, JS, HTML, CSS, AJAX, Booking Systems

    Russia - Last active: 10/06/2013 - Tests: 6 - Portfolio: 5

    I possess more than 8 years of experience in Development. I really have a good skills to handle projects in php, .Net and Web Designing. My strengths are my commitments and communication. Working with me you can get a full range of IT and business solutions in one person. I will work with you until you are satisfied. I'm a professional on building Online Booking Systems using Apollo, Amadeus, Glalileo (TravelPort) or another Global Distribution System (GDS).

    $25.00 /hr
    23 hours
    4.53
  8. Ishan Ariyaratne

    Ishan Ariyaratne

    Network Engineer

    Sri Lanka - Last active: 2 months ago - Tests: 3

    Work Experience: (From April 2010 to Present) Worked at Inbay Pvt. Ltd. [www.inbay.co.uk] as a system administrator (Business to Business). Joined Inbay as a Technical Support Engineer and got promoted to the position of the technical lead – Technical support team (Business to Consumer), then as a system administrator (Business to Business). Inbay is an organization which provides IT Support services for both Business and Consumer markets in UK and US. Duties & responsibilities; • Providing the technical leadership and subject matter expertise in applicable technologies and serving as a point of escalation for technical issues related to specialty. • Identifying, diagnosing and providing timely resolution for level one, level two and three user inquiries. • Identifying risks & issues and taking ownership to deliver appropriate resolutions. • Producing, delivering, and maintaining appropriate documentation for systems in accordance to document control standards and procedures • Supporting and maintaining effective relationships with business and consumer clients. • Providing case status updates to management and end users, developing documents and implementing standard operating procedures and customer service guidelines. • Collaborating with other team members on planning and execution. Hold progress meeting • Leading post-incident debrief sessions with key clients. • Contributing to long-term tactical and strategic planning to ensure that the tools and processes are appropriate to meet the future business requirements. • Reviewing, and updating as appropriate, operations procedures, standards, and technical policies. Was Employed at Eureka Technology Partners from April 2010 to September 2010 as a Support Technician.

    $11.11 /hr
    1,788 hours
    5.00
  9. Steve Garratt

    Steve Garratt

    Embedded Engineer, Raspberry Pi, Arduino, Web Connectivity

    United Kingdom - Last active: 2 months ago - Tests: 1

    Don't be put off by my rate! I’m a software engineer with experience of a variety of platforms and applications accumulated over many years. Allow me to contribute to your embedded microcontroller projects and I will give you value for money. Some of my more relevant skills are: Raspberry Pi, Arduino, C, C++, Python, PHP, SQL, Embedded, Networking, ActionScript, Adobe Air, Windows, Linux, Javascript...

    $44.44 /hr
    111 hours
    5.00
  10. Samuel Sylvester

    Samuel Sylvester

    3D Graphics Programmer

    United States - Last active: 5 months ago - Tests: 3 - Portfolio: 2

    Over the last 5 years, I have worked on wide range of projects from 3D applications using Java, C++, C# & OpenGL to webpages using HTML5, MSSQL, PHP, & JavaScript. My interest and experience cover a range of programming topics. But the one I love most is 3D Graphics & programming.

    $25.00 /hr
    33 hours
    5.00