Top Upwork Freelancers

More options
Clear all filters
  1. Josh M.

    Josh M.

    SQA/Testing/Security/Networks/Development/Technical Writing(Canada)

    Canada - Last active: 4 months ago - Tests: 9

    Over my career I have been handed a great many challenges and I have throughly enjoyed finding solutions for my clients problems. I have not limited myself specifically to one area but many, and have enjoy a diverse technical career. I am a skilled, hard working, dedicated IT professional with over 10 years of experience. I have development experince in numerous languages and specialize in PHP/MySql web development and Linux/Windows scripts and applications. I have excellent communication skills and am available at your need.

    Groups: Bluehost Developers and Designers

    $55.00 /hr
    8,385 hours
    4.98
  2. Brian Dale

    Brian Dale

    15 Yr Tech Veteran / Creative & Technical Writing / Voice Talent

    United States - Last active: 06/14/2014 - Tests: 7 - Portfolio: 1

    Seeking venues to exercise my 3 main skills & areas of expertise in a more global market. I would love to work with you if you can use help with: 1) WRITING : either creative or nonfiction (or even poetry). I have a wide range of interests & knowledge & a librarian's knack for researching just the right fact & would love to combine that with my blarney-kissed words to enliven your ideas with eloquence & precision. 2) VOICE TALENT : deep American male voice w/slight Southern charm I am a recorded singer/spoken word poet & have a professional studio for my use in order to fulfill all your voice talent needs with the utmost clarity & quality in a wide array of formats & file types. 3) IT SUPPORT, SERVER ADMINISTRATION & MORE My "day jobs" for the last 15 years have been in the field of Information Technology & I have a wide array of experience in all the most-used desktops, servers, programming languages & networking hardware. With professionalism & attention to detail I can serve all of your desktop support, server administration & web application/site coding needs while maintaining clear lines of communication at all steps along the way. My true objective, though? To find a community of employers & people with needs that match the skills I have taken a lifetime to master & allow us to work together to make both of our lives & businesses more successful. I think you'll find my clear & honest way of doing business very refreshing & efficient for all involved!

    $33.33 /hr
    5,071 hours
    5.00
  3. Gohar A.

    Gohar A.

    VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

    Canada - Last active: 3 months ago - Tests: 3 - Portfolio: 15

    Since last 7 years now I'm involved intensely in end-to-end VoIP setups. That included pre-deployment 360 degree Architecture planning. Actual development of the projects, including aiding other teams develop the exact required component for the projects. And after deployment Support. My career objectives are to be a very flexible expert capable of working on almost any layer. Come up with intelligent solutions to help achieve business goals smartly. I'm proficient in following domains * VoIP * Server Administration * Network Administration I've experience in Following tools. * Asterisk * FreeSwitch * OpenSIPs * Kamailio * SEMS * Vyatta * MySQL * Linux OSs I've worked in following languages. * C++ * Perl * Php * Shell scripting Find More about Me from my VoIP Blog: http://saevolgo.blogspot.com

    $60.00 /hr
    152 hours
    4.99
  4. Piotr S.

    Piotr S.

    Programmer / Developer

    Poland - Last active: 11/04/2014 - Tests: 4 - Portfolio: 6

    I have been working in Ruby on Rails for more then four years. Actually I'm working toward PhD degree in Computer Science (polynomial interpolation) and Philosophy (logic). My publications: Kozera, R., Noakes, L., Szmielew, P.: Length Estimation for Exponential Parameterization and ε-Uniform Samplings. In: Huang F., Sugimoto A. (eds.) PSIVT 2013 Workshops. LNCS, vol. 8334, pp. 33–46. Springer-Verlag (2014) Kozera, R., Noakes, L., Szmielew, P.: Trajectory estimation for Exponential Parameterization and Different Samplings. In: Saeed, K., Chaki, R., Cortesi, A., Wierzchoń, S. (eds.) CISIM 2013. LNCS, vol. 8104, pp. 430–441. Springer-Verlag (2013) I'm also teacher at Coder's Lab where I teach Ruby and Rails and in Warsaw University of Life Sciences, where I teach: - history of science - logic In past I've teached: - computer networks - security of computer networks - logic (at Warsaw University) I currently don't have much free time - so I'm actually available for only few hours per week (more like consultant then developer). Skills: Ruby on Rails 2/3/4 Ruby 1.8/1.9/2.0 (a lot of gems) Nginx / Apache + Passenger configuration Balsamiq mockups usage Mathematica Feel free to look at my github account: https://github.com/esse or my RoR website: http://roflcopter.pl

    $55.56 /hr
    278 hours
    5.00
  5. Tariq Y.

    Tariq Y.

    Technical Architect (SaaS, IaaS, Cloud)

    Sweden - Last active: 3 months ago - Tests: 9 - Portfolio: 8

    Performance driven, highly ambitious Cloud Architect with an in-depth experience working with IaaS, PaaS and SaaS as a part of development, DevOps and SaaS Ops teams. Dedicated, reliable and proactive self-starter with a proven record of taking initiatives with high responsibility, accepting the challenges and moving beyond the high expectations set by the management. Crafty in troubleshooting difficult to grasp issues with ability to work independent and in teams of various sizes in diversified roles. Strong communication and interpersonal skills. Specialties: - Cloud Architecture: Architecting and implementing secure, highly available and scalable systems using AWS - Amazon Web Services (including but not limited to EC2, VPC, Route53, RDS, S3, CloudFormation etc.) - Cloud transformation: Migration to private/hybrid clouds from legacy data centers. - Production Monitoring: Setting up highly automated monitoring of live systems using various tools in the market including Nagios, Amazon CloudWatch, ActiveBatch, Graphite, Munin etc. - Continuous Integration/Delivery: Build, test and release automation using various CI and CD tools including Maven, Jenkins / Hudson, Sonar and AWS with various scripting languages like Apache ANT, shell script, python, MSBuild, Powershell, VBScript etc. - Database Migration: Migration of large challenging databases to cloud with minimal downtime.

    $44.44 /hr
    6,885 hours
    5.00
  6. Gary R.

    Gary R.

    PHP MySQL JavaScript AJAX CSS CodeIgniter Programmer - USA

    United States - Last active: 3 months ago - Tests: 1 - Portfolio: 14

    I have been a freelance PHP/MySQL programmer based in Eastern Washington for over 12 years. In addition to 12 years of experience with PHP/MySQL, I have extensive experience with jQuery and Javascript (including some Require.js), 5 years working with the CodeIgniter Framework, and HTML/CSS coding by taking PSDs and turning them into pixel perfect designs for websites. Overall, I code for maximum efficiency and ease of use for all involved. I have a strong working knowledge in all areas of web site programming from planning, backend organization and database structures, front end appearance and usability, to testing and troubleshooting. I am self motivated and need very little over-site.

    $44.00 /hr
    1,284 hours
    4.96
  7. Chan Kai Loon

    Chan Kai Loon

    Expert freelance Web Designer with WordPress & jQuery experience

    Malaysia - Last active: 07/11/2011 - Portfolio: 6

    Over the last 5 years, I have developed a wide range of websites & graphics using HMTL/CSS & WordPress, Illustrator and Photoshop, including sites for startup companies and small businesses. I can create your website from ground up or beautify your existing websites to stand out.I also have some experience in the following areas: jQuery.I am seeking for challenging web designing contracts focusing on User Interface, User Experiences and, pixel perfect. Check out my portfolio here: http://kailoon.com/category/portfolio/

    $66.67 /hr
    70 hours
    5.00
  8. Rohan Richards

    Rohan Richards

    JavaScript Developer

    Australia - Last active: 12/13/2014 - Tests: 3

    Passionate and aspirational, Rohan has been learning and developing code for over 14 years. With game development as his core motivation, and a dream to design accessible online games, his focus shifted to web based languages. Rohan's focus on JavaScript over the past 3 years has allowed him to learn a multitude of complimentary languages, including HTML5, CSS3, jQuery, php and much more.

    $33.33 /hr
    94 hours
    4.74
  9. Michael Sewell

    Michael Sewell

    Wordpress Developer - PSD to WP professional

    Canada - Last active: 06/25/2014 - Tests: 3 - Portfolio: 7

    I have been working with WordPress since 2007 and have built a wide range of WordPress powered websites ranging from membership sites to ecommerce & more. I am up to date on the latest versions of WordPress and the newest features. My coding skills include a mastery of HTML & CSS and proficiency jQuery & PHP. Services I perform: * PSD to WordPress * Website Design * Convert static sites to WordPress * Convert WordPress themes to Responsive

    $60.00 /hr
    628 hours
    4.95
  10. Manfred U.

    Manfred U.

    Development, QA and Security, Forex

    Austria - Last active: 10/06/2014 - Tests: 28 - Portfolio: 10

    Over the last 20 years, I have developed a wide range skills including development, QA and IT-security. I developed several websites (including shops) and a few client-server-apps using Java and MySQL. I also was trained on a large variety of testing and security tools, they are just too much zu list it here. Every single skill is up to date.

    $33.33 /hr
    64 hours
    4.89