Top Upwork Freelancers

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  1. Mitchell Langlois

    Mitchell Langlois

    Full-stack rails developer

    Canada - Last active: 2 days ago - Tests: 3

    I have designed and developed a variety of websites using HTML5, CSS3, Ruby, Ruby on Rails, Javascript, JQuery, Backbone.js and many other modern web technologies. I also have a bunch of experience designing and working with databases and am very proficient with SQL. I love to build new websites from the ground up using my already acquired skills and trying out new technologies when acceptable. I am seeking opportunities to build modern, fully-functional websites from start to finish. I prefer to work in small teams or alone.

    $40.00 /hr
    755 hours
    0.00
  2. Vitaliy Tyunisov

    Vitaliy Tyunisov

    .Net Solutions Developer

    Ukraine - Last active: 1 day ago

    I am an innovative, highly technical software professional with more than 5 years of experience in C# and .NET. By far, I have been involved in many projects for high-profile clients. My additional skills include providing project architecture, data transferring, multithreading, ability to develop high-loaded web servers, and working with web load balancing. Successfully passed Microsoft certification: • Exam 70-515 TS: Web Applications Development with Microsoft .NET Framework 4 • Exam 70-516 TS: Accessing Data with Microsoft .NET Framework 4 • Exam 70-513 TS: Windows Communication Foundation Development with Microsoft .NET Framework 4 • Exam 70-519 Pro: Designing and Developing Web Applications Using Microsoft .NET Framework 4.0 • Exam 70-480 Pro: Programming in HTML5 with JavaScript and CSS3 • Exam 70-492: Upgrade your MCPD: Web Developer 4 to MCSD: Web Applications

    $12.00 /hr
    820 hours
    0.00
  3. Panayotis Tsiamis

    Panayotis Tsiamis

    Senior Systems and Software Engineer

    Greece - Last active: 6 days ago - Tests: 7 - Portfolio: 14

    Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.

    $30.00 /hr
    412 hours
    0.00
  4. Rahat Sabri

    Rahat Sabri

    AngularJS, Bootstrap, HTML Front End Developer

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Over the last 8 years, I have developed websites using HTML, CSS, JavaScript, JSP/Servlet, Struts, Spring, Hibernate, and MySQL, SQL Server, Oracle 10g,11g. I am an outstanding Java/Web Developer with experience in all phase of the software development life cycle, from requirement analysis and design to implementation, testing and maintenance. I am seeking opportunities to build websites from the ground up for you or your business. SUMMARY OF QUALIFICATIONS - Good understanding of Object-Oriented Design and Programming. Experience in full product lifecycle. - Experience in using Java, including JSP, Servlet, Spring, Hibernate, and JUnit test. - Experience in ANT, SVN, Eclipse, and Apache Tomcat. - Experience in MySQL, JFreeChart, AWT/Swing, JavaScript/JQuery. HTML, CSS, and XML. - Operating Systems: Linux, Windows, and UNIX. - Strong learning and problem solving abilities. Good team worker. I have been developing web application since a while so I have had exposure to evolution of the web technologies that started from synchronous request/response and then evolution of ajax XmhttpRequest object and then a variety of ajax tools and frameworks like Prime faces, Rich Faces, JQuery and many others. And now in the current era we are moving towards pure JS front end frameworks like Ext JS, Angular JS, Node JS. Therefore I believe that I can develop and design any web application with current trends and technologies.

    $33.33 /hr
    1,462 hours
    0.00
  5. Yauheni H.

    Yauheni H.

    Senior Test Automation Engineer

    Belarus - Last active: 1 day ago - Tests: 1

    High-qualified ISTQB-certified specialist in test automation domain with solid experience ( >7 years ) in testing web-based/desktop applications, web-services and DBs. Technologies and tools: 1. Groovy + Geb +Spock for test automation framework development and tests creation 2. Java + Webdriver + Jbehave for automated testing 3. Java + Webdriver + Cucumber for automated tests creation 4. Selenium RC +Java for testing Web app (on Apache wickets) 5. IBM RFT + Java for automated testing Web-apps (on IBM WebSphere) 6. IBM RFT+ JAVA+ SQL scripting (data warehouse testing) 7. SOAP UI + Groovy scripting for testing SOAP service 8. SilkTest + Perl scripting (for automation desktop app) 9. Jemmy+Java for testing Java SWING application Specialization: Unix, Windows Responsibilities: 1. Planning test automation 2. Development test automation framework 3. Implementation auto-tests 4. Execution, support auto-tests, analyzing results.

    $8.89 /hr
    832 hours
    0.00
  6. GABRIEL MEDRANO

    GABRIEL MEDRANO

    VMware Systems Engineer

    United States - Last active: 2 days ago

    • Design and administration of VMware vSphere 4 & 5 Enterprise Plus hosting 1000+ Linux and Windows virtual machines on hosts across multiple sites • Design and configure VMware vSphere 5 components such as High Availability (HA), Distributed Resource Scheduler (DRS), vMotion, Distributed Virtual Switch (DVS), Host Profiles, Storage I/O Control (SIOC) and Network I/O Control (NIOC) • Design and administration of Lab Manager 4.x to support 400+ virtual machines • Understanding of SAN architecture and implementation as it relates to virtualization (NetApp, IBM XIV, EMC Clariion and VMAX) • Design and Administration of 25+ HP C7000 blade chassis, Virtual Connect Flex-10 configuration in support of Linux, Windows, and VMware blades • Citrix XenApp 5 & 6.5 (Windows 2003/2008) administration hosting 90+ applications utilizing Web Interface , Netscaler, and SQL datastore backend for internal and external customers • Design and Administration of Citrix XenDesktop 5.5 integrated with XenApp, Netscaler, and Access Gateway • Citrix farm consolidation and decommission • Create and manage Active Directory and Group Policy Objects to include DNS • All manners of Windows 2003 and 2008 Windows Server administration • Produce processes and procedures for system administration • Troubleshoot and resolve utilizing analytical skill set amongst a distributed and complex environment to include DNS, Firewall, Active Directory, SMTP, TCP/IP, and various network related issues • Excellent communications skills and rapport with fellow teammates. Ability to work as a team or independently

    $88.89 /hr
    132 hours
    0.00
  7. Zaruhi Ayvazyan

    Zaruhi Ayvazyan

    Quality Assurance specialist

    Armenia - Last active: 1 day ago

    Languages: • Armenian: Native ; • Russian: Good; • English: Base PC Applications: • MS Office : Operating Systems: Linux ; Windows XP ; MS Windows Programming Languages: C++ (basic knowledge); HTML (basic knowledge); SQL(basic knowledge); Testing types: • Functional Testing • Load Testing (using JMeter tool) • Performance Testing • Regression Testing • Stress testing • Smoke testing • Compatibility Testing etc. Experience in working with the defect management tools (Visual Studio 2013, JIRA), Experience in the development of test cases/scenarios,

    $10.00 /hr
    1,480 hours
    0.00
  8. Al Polinar

    Al Polinar

    Virtual Assistant with Web and Mobile Development Experience

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

    To gain valuable experience and creativeness in work as a part of my academic degree and job accountability is an objective that I have set in my mind. I have worked as a Junior Web Developer, Virtual Assistant and as a Article Submitter at various sites. I have gained knowledge and experience over the past years that helped me what I am now. I have knowledge over HTML, CSS, PHP, MySQL, JAVA and Mobile Development.

    $11.11 /hr
    2,855 hours
    0.00
  9. Hyusein Hyuseinov

    Hyusein Hyuseinov

    Software Quality Assurance Tester

    Bulgaria - Last active: 5 days ago - Tests: 4

    Software QA tester with full system development lifecycle experience, including designing and development of test plans and test cases. Qualifications include four years of software testing and test automation experience and one year and half software development experience. Backed by strong credentials including computer science degree, Microsoft certification; Advanced command of agile methodologies, monitoring tools and various testing suites.

    $16.67 /hr
    444 hours
    0.00
  10. Jared Sunshine

    Jared Sunshine

    Customer Care

    United States - Last active: 1 day ago

    I have a background in customer service and Information Technology. I am currently a full-time student studying Special Needs Education. I have a strong background in technology. I am able to develop and launch websites and I am quite versed in Web Technology. My past experience has included customer service. I am able to work closely with clients. I have been able to work identifying issues and worked to resolve them. I enjoy working on projects and seeing them to completion. I have managed projects successfully putting together a plan and accurate time-management.

    $13.33 /hr
    507 hours
    0.00