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  1. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - Last active: 23 hours ago - Tests: 2 - Portfolio: 6

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

    $55.56 /hr
    132 hours
    5.00
  2. Chris Schaeffer

    Chris Schaeffer

    Certified Google AdWords Specialist

    United States - Last active: 7 days ago - Tests: 2 - Portfolio: 2

    Since 2003 I have been working in Google AdWords managing accounts for companies around the United States. I provide professional, monthly AdWords reports to all my clients. The reports give detailed information about the progress of your PPC campaign as well as analytical feedback. My PPC management style is focused on improving the quality of traffic coming from Google AdWords. Avoiding unwanted traffic and driving qualified clicks will improve the leads and sales on your website. I also work with marketing agencies as a PPC consultant. I can white label my monthly AdWords reports upon request. - AdWords Search & Display Networks - Remarketing Campaigns - AdWords Conversion Tracking - Return On Investment (ROI) Focused Management - Google AdWords Partner (URL upon request) - Certified Google Partner Agency

    $83.33 /hr
    807 hours
    4.83
  3. Sandor M.

    Sandor M.

    System/Network administrator

    Romania - Last active: 23 hours ago - Tests: 7 - Portfolio: 3

    Over 10 years experience as Linux administrator . Configured and maintained hundreds of servers having different tasks : web server (Apache/Nginx+php/ruby/perl), mail server (with AV and spamassassin), file server, mysql/postgresql, dns, IM server, VOIP, firewall/VPN. As a network administrator in a small WISP i built my skills up in wireless, routing/BGP, routers/swithes/firewalls, network monitoring/troubleshooting. I write my own scripts (shell/Perl) . Also i have limited experience in programming, mostly Php and C. Serverfault profile : http://serverfault.com/users/164490/sandor-marton

    $35.00 /hr
    3,066 hours
    4.97
  4. Rahul H.

    Rahul H.

    Project Manager / IT Consultant & Generalist

    India - Last active: 23 hours ago - Tests: 34 - Portfolio: 13

    Seasoned IT Professional with extensive experience in Software Development, Database Technology, Project Management & Business Analysis. An innate ability to always remain on top of the situation has helped me to establish a track record where I have not missed out on a single deliverable. Core Technology Areas - Data Warehousing & Business Intelligence Tools - SSIS, SSRS, SSAS, Crystal Reports - Development of Triggers, Stored Procedures using T-SOL in MSSQL Server - Designing databases - Conceptual & Physical schema - .Net framework 3.5 & 4 - Asp.net, Web Worms, C#, Ajax, Web Services, Win Forms - ORM- LINQ, Entity Framework. nHibernate - Use Cases, UML Artifacts, MS-Visio, Wireframing tools - MS-Access, VBA Abilities - Orchestrating total solutions from requirement analysis to testing and implementation. - Proven experience in project management, risk analysis & successfully leading teams - Interfacing with clients - both pre & post sales Strengths - Ability to think out of the box within defined and accepted methods of execution and delivery

    $35.00 /hr
    4,529 hours
    4.96
  5. Sue Peterson

    Sue Peterson

    Freelance Writer/Editor/Tutor/Curriculum Developer/Educator

    United States - Last active: 23 hours ago - Tests: 2 - Portfolio: 2

    Capitalizing on 30+ years of teaching experience (regular and special education, ESL, gifted/talented) at all grade levels from elementary through adult learners and in various subjects with strong interest in reading, creative writing, and drama, I will help you with your individual or company needs. I have presented at numerous state and national conferences, secured dozens of grants, and written/produced over 50 plays for children. A published author of 450 children's books, I have also written adult books for clients on o-Desk. My background includes extensive work in curriculum and editing any type of text. Please read my profile to see more about my exemplary writing and editing abilities distinguishing me in the top 1% of o-Desk contractors. Creative and hard working, your goal is my goal.

    $33.33 /hr
    2,277 hours
    4.99
  6. Anna K.

    Anna K.

    Start-up Consultant and Technical Writer

    United States - Last active: 1 day ago - Tests: 8 - Portfolio: 2

    Hello! I am an experienced start-up consultant and technical writer. I specialize in writing investment business plans and technology white papers and case studies. My educational credentials include Bachelor's in Business Administration and Master's in Public Administration. Upwork performance highlights - 92% Job Success Rate and 33% conversion rate of one-time clients into long-term employers. Thank you for taking the time to scroll through my page and happy working!

    $45.00 /hr
    108 hours
    4.93
  7. Rostyslav Y.

    Rostyslav Y.

    Linux Administrator and Speed+Cost Optimization Expert

    Austria - Last active: 2 days ago - Tests: 4 - Portfolio: 2

    Over 7 years of experience in: Platforms: VPS, EC2, Linode, Rackspace, Azure and DigitalOcean Linux: Ubuntu, Debian, CentOS Web servers: Nginx, Apache, PHP-FPM, HHVM, Memcached and Varnish Databases: MySQL, MariaDB, Percona Control panels: WHM, cPanel, Plesk, Webmin, Webuzo, Ajenti CMSs: WordPress, Joomla, Drupal, Magento, phpBB Mail: Exim, Sendmail, Postfix, deliverability Monitoring: Piwik, Munin, Monit DevOps: Vagrant, Docker, Puppet Advanced AWS setups, S3, RDS, ELB, Route 53, VPC Migrations and backups Server performance tuning and page speed optimization Reducing costs

    $35.00 /hr
    1,313 hours
    5.00
  8. Soorya D.

    Soorya D.

    Selenium/WebDriver/Appium Developer l Web/Mobile API Automation |

    India - Last active: 23 hours ago - Tests: 6 - Portfolio: 25

    Last 9+ years, I have been testing and automating applications for Fortune 500 companies. Having 7+ years of work experience in test automation .In that 6+ years on Automating web/mobile app tests using Selenium 2.0(WebDriver) / Selenium 1.0 (RC).Good experience on Mobile automation and integrating tests with CI tools like Jenkins or cloud services like Sauce-labs, BrowserStack. Automation Frameworks development using combination of : - Selenium/WebDriver, Selenium Grid - Appium, Protractor (AngularJS) - Data-driven Selenium tests with external Excel, XML and CSV-based data. - Java / Ruby / Python / PHP - TestNG - ReportNG - JUnit - XMLUnit - Page Object - JBehave - FitNesse - Cucumber - Robot, AutoIt & Sikuli - Jenkins (including integrating with SVN/ Perforce/GitHub/ Saucelabs.) - Maven/ANT - Flex automation agents like Flexmonkium, FlexPilot, SeleniumFlex API * RestFul Web service testing using SoapUI * Performance testing Using JMeter/ SoapUI * Automating websites that involves Map(like Google Maps) interactions I have strong experience in testing various types of software ranging from desktop applications to web applications. Types of testing that I have done include: =============================== - Black Box and White Box Testing - Manual and Automation testing - Smoke testing - Functionality testing - Integration testing - Cosmetic error testing - GUI Testing - Cross browser compatibility testing - Regression testing - User Acceptance Testing - Mobile app testing - Games testing - Performance testing "Passion for Test Automation", "Good Communication", "Think from a customer perspective", "Good error guessing skills", "Analytical and logical thinking", A strong desire for quality" and "An attention to detail" are the qualities of a best Software Test Engineer. So if you are searching for a person with above qualities and abilities.I can ensure you that I best fit in to your mission.

    $35.00 /hr
    606 hours
    4.99
  9. Rudy S.

    Rudy S.

    Creative Director/Freelance Editor

    Canada - Last active: 16 days ago - Tests: 3 - Portfolio: 4

    A full services audio and video production company. Our priority is to make you look and sound your very best - be it in the boardroom, at a trade show, in the media or on the web. We have had a solid track record in corporate communications with our public and private sector clients. We provided turnkey, high-quality creative video and audio content to make your story compelling and memorable.

    $33.33 /hr
    146 hours
    4.99
  10. Mathew Hobson

    Mathew Hobson

    Graphic Designer, Artworker and InDesign Expert

    United Kingdom - Last active: 1 day ago - Tests: 5 - Portfolio: 35

    I am a professional Graphic Designer with well over 15 years experience in the industry. Along with working full-time in a studio I also like to freelance when I have the time available. I am Adobe Certified Expert (ACE) in InDesign and have many years of experience using Photoshop, Illustrator and Acrobat Pro. I also know a bit of HTML and CSS and have completed web projects in Muse and Dreamweaver.

    Groups: Adobe Certified Experts

    $33.33 /hr
    49 hours
    5.00