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  1. Zbigniew J.

    Zbigniew J.

    Web Applications Developer

    United States - Tests: 7 - Portfolio: 17

    Web developer with a passion for creating quality software. Areas of expertise include LAMP development, on-demand and streaming video, and implementing business requirements into fully functional high quality software. Above all else, my goal is to add value by leveraging modern web technology and best practices. In addition to expertise in web application analysis, design, and development, I also specialize in 3rd party API (and non-api) integration - both large and small. Integration work includes: - Cigna Health Services - FaceBook, Twitter, LinkedIn - Amazon Web Services, Google AppEngine - YouTube, Flickr, PhotoBucket - Google Analytics, Google Maps - oDesk, Elance - Mailchimp, CampaignMonitor, ActiveCampaign, MailGun - Authorize.net, BlueFin, PayPal, Stripe - CarAndDriving.com, Grainger - Encoding.com, HeyWatch.com - Care2, Change.org, FullContact, NgpVan - Computer Fulfillment, eTouches, TalkPoint, SalesForce - BigQuery, RedShift - Rentals United

    $44.44 /hr
    2,747 hours
    5.00
  2. Umar Draz

    Umar Draz

    Sr. Unix/Linux System/Network Architect

    Pakistan - Tests: 2 - Portfolio: 5

    Senior systems architect, UNIX/Linux/Solaris, VMware, OpenStack and data-center administrator, software programmer, project leader with a proven track record of applying years of experience and good practices to the specification, architecture, design, implementation and maintenance of communications information technology systems. Well-versed in the latest computer languages, operating systems, network and system administration techniques, seeking a position where my hands-on self-motivating passion with the technology provides me with a unique understanding of how to balance conflicting requirements and bring complex enterprise level IT projects to a successful completion. Ability to work both independently and as part of a team, with demonstrated results in leading and contributing to projects, interfacing with stakeholders, while training and mentoring junior staff. Also great at troubleshooting complex problems. LANGUAGES: HTML, JavaScript, Perl, PHP, LAMP, Regular Expressions, Bourne/Korn/Bash/Csh/Tcsh Shells, Structured Query Language (SQL), Python. TOOLS: Application Servers (Apache, JBoss, Tomcat, Nginx,), DBMS (Access, DBase III/IV, MySQL, Oracle, MongoDB), UNIX Scripting (all UNIX Shells, AWK, Perl, SED), Security Hardening and Performance (IP Filter, Fail2ban), Storage, Moosefs, Virtualization (SANS, NAS, VMware vSphere Server/vCenter, OpenStack, Xen)

    $33.33 /hr
    4,652 hours
    5.00
  3. Boian M.

    Boian M.

    16yr exp - Linux Systems Architect / ISP / IT Consultant -

    Bulgaria - Tests: 3 - Portfolio: 3

    * gathering customer's requirements (type of applications deployed) * specifying hardware * deploying (software and hardware installation, including in data centers) * technical writing on cloud-computing topics, security, High-availability, clusters and others * monitoring / profiling * management * architecture audits * virtual infrastructures based on KVM / OpenVZ / VMware / XEN / Sun Ray + Virtualbox * Fully-virtualized and HA architectures deployment (Proxmox, ESX, OpenStack) and network virtualization (Neutron); * network solutions based on Brocade / Cisco / HP / Mikrotik products * full internet provider development * providing adequate documentation in each stage (doc/pdf/Visio) of Linux/UNIX based systems, also managing small IT teams, looking for new challenging projects. * BIND, djbdns, mydns, ndns based DNS architectures; * Qmail / Exim / Postfix-based mail systems; * Websystems to include Apache / MySQL / PostgreSQL / PHP / Perl configurations; * Rails solutions; * Complete webhosting managment - Cpanel/WHCMS /Plesk etc.; * Backup solutions (EMC Retrospect, Open source solutions - Bacula, Amanda, ZRM etc.); * Cloud computing IAAS and PAAS(Amazon EC2, OpenStack) and related ecosystems (Ceph); * HA solutions : Pacemaker, Corosync, GlusterFS, MooseFS, DRBD, Ceph * Load testing (jMeter, Tsung, iozone, vdbench, ab, siege); * MySQL - single servers, Master/Slave configurations or Master/Master; * Tomcat/Resin based Java application servers; * Monitoring deployment and administration (Zabbix, Nagios); * Nagios / MRTG / Cacti monitoring and data acquisition; * Design/development and modification of PHP/Ruby/Perl-based web systems; * MVC framework development on Rais / CakePHP / Codeigniter; * Zibra, Zarafa, iRedMail, phplist, google apps, Also extensive experience in deployment and management of server configurations in data centers.

    $44.44 /hr
    6,491 hours
    4.97
  4. Sergey Y.

    Sergey Y.

    iOS/OSX software developer

    Russia - Tests: 10 - Portfolio: 14

    Over 5 years of iOS, MAC OSX and Android apps and games development experience with Objective-C, Swift, Java, C#, Unity3d. I have successfully deployed projects that involve integration of OCR (Optical Character Recognition), Parse.com, Testflight, Dropbox, Microsoft Live, Outlook, iCloud, In-App purchases, Push notifications, HandOff, image/video processing. I'm also proficient with ASP.NET, JSON, XML, Python, Selenium. Currently I only develop applications for iPhone, iPad, iWatch and MAC.

    Groups: Coding Champs

    $50.00 /hr
    1,235 hours
    4.84
  5. Favio M.

    Favio M.

    Full Stack Web Developer

    Mexico - Tests: 12 - Portfolio: 15

    I only work on hourly projects. Thanks! A fast learner and problem solving oriented programmer. I am a Web Developer and loving it! Do contact me to start a discussion about your project and how I can help! Work Policy: * I never bill for learning time. If a feature/project requires me to learn something new, I won't bill you since I'm already adding value via the newly acquired knowledge. * I try to deliver the best quality possible, but this is often a trade-off between time, budget, and the specific project situation. (For example, not all clients would want the time/money investment to create a full unit test suite) * I'll be honest. For example, I like giving suggestions on how to save time/money even if that means less billed hours for me. Frameworks I've used: Zend Framework, CodeIgniter, Drupal, Wordpress, ExpressionEngine, jQuery, YUI, a bit of Symfony, Ruby On Rails, Symfony, Flask. Technologies I've used: SQL, HTML, CSS, Javascript, PHP, Ruby, BASH, mySQL, PostgreSQL, Python.

    $100.00 /hr
    3,654 hours
    4.99
  6. Pavlo Sirous

    Pavlo Sirous

    Senior Ruby on Rails developer

    Ukraine - Tests: 10 - Portfolio: 18

    I build Web tools that solves your business problems making it more profitable. I don't like to waste your and my time. For the years working as a freelancer, I've made my own working ethic. I don't track time while coffee breaks, freelancing doesn't equals working at office. Last 4 years I've spend to develop myself as a professional in web programming industry. I'm a full-stack developer (Ruby on Rails/jQuery/html/css/deploying). Web scrapers creator (nokogiri, mechanize, watir). I develop my skills consistently, and prefer projects where I can grow as a professional. I'm looking for projects with strong believes in best practices to participate and to build good relationships. What you can expect from me: * Quality work (heavy testing, best practices, readable and maintainable code that "just works") * Short response time (actually I'd even prefer daily conference calls via skype) * good speaking English * Responsibility for tasks/project I work on. * Seamless integration with your current team What would I expect from you: * Clear task definition * Easy communication * Adequate and in-time payment Keywords: Rails, Agile, TDD, Coffeescript, AngularJs, Postgresl, Mysql, AWS, S3, Heroku, Ruby,

    Groups: Engine Yard Ruby on Rails Professionals Network

    $59.99 /hr
    4,180 hours
    4.79
  7. Stephane Travostino

    Stephane Travostino

    Systems and software specialist

    United Kingdom - Tests: 8 - Portfolio: 3

    I like working on anything revolves around the IT ecosystem, and find the most fun in troubleshooting problems and working around strict requirements and deadlines. My peculiarity is discovering the root cause of a problem and working out the best solution in a very short time. I'm a self-taught Linux systems administrator, full stack developer and jack of all trades in systems design and maintenance. I have experience in C and Python programming, software design and management, Linux and Solaris systems administration, and high expertise in maintaining and tuning MySQL databases. I also develop modern and rich web applications with HTML5, Javascript and AngularJS. Other interests in web design, typography and improving team processes and workflows.

    $60.00 /hr
    1,088 hours
    4.96
  8. Evgeny S.

    Evgeny S.

    Senior Software Engineer

    Russia - Tests: 4 - Portfolio: 6

    I am an independent software engineer with a very broad range of development skills and technologies. I most enjoy working in small innovative teams and with individual decision makers to help grow their ideas into mature and robust software systems based on modern technological foundations. I'm also not a stranger to big software companies, and I can be a reliable team member as well as a small group project architect/leader when needed. I have experience with the following technologies: - C++, Python, JavaScript, C#, Java - Nginx, Gunicorn, Gevent, Flask, Django, jQuery, Node.js, Apache. - MS SQL, DynamoDb, Amazon SDB, MySQL, Redis, NoSQL. - Linux, Amazon EC2, SQS, SNS, S3, RabbitMQ. - Win32 API, HTML5, Android, NDK, GTK, WinForms I'm also eager to extend my experience in cutting edge technologies and programming languages like Golang, Erlang, Nim, Rust, Haskell... I am looking for the opportunity to design and build a system from the ground up for you!

    $50.00 /hr
    2,416 hours
    5.00
  9. Daniel L.

    Daniel L.

    Web Programmer - PHP/Symfony/CodeIgniter/MySQL/JQuery/Google Maps

    United States - Tests: 8 - Portfolio: 6

    I provide for my family by doing something I love and doing it well. With 15+ years of web development experience, I've been full-time freelance since 2011, focusing on custom admin consoles, data-driven sites, and API integration. My "go to toolbox" is PHP ( preferably with Symfony or CodeIgniter ), MySQL, jQuery, Linux sys admin knowledge, Git, and Bootstrap.

    $66.67 /hr
    2,588 hours
    4.86
  10. Pavel Zindyaev

    Pavel Zindyaev

    DevOps

    Russia - Tests: 8

    Hi, I am Linux/Windows system administrator I have more than 10 years experience with things like: - Virtualization: VMWare ESX - Web Servers: Apache, Nginx - Database servers: MySQL, PostgreSQL - Optimization high-loaded web services based on Apache, Nginx, MySQL - Telephony: Asterisk, 3CX - Building High Availability systems: HA, drbd, haproxy, heartbeat - Network Administration: VPN, firewalls, building secure network architecture - Any kind of e-mail servers, DNS servers - Configuration management: Puppet, Chef - Windows Administration: Active Directory, MSSQL, Group Policies, Dynamics CRM - LDAP: OpenLDAP, ApacheDS - Continuous integration: maven, Jenkins/Hudson, TeamCity - Development: Java, Python

    $44.44 /hr
    345 hours
    4.92