IT & Networking Administrators

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  1. Marco Afonso

    Marco Afonso

    Developer in C, C++, C#, PHP, Mathematics, Statistic, Image Processing

    Brazil - Tests: 5 - Portfolio: 3

    Expert programming skills focused in mathematical models, optimization and risk analysis of diferrent trading markets (financial, energy, commodities, etc.). I have also experience with hardware and front-end interfaces coding. I can be very adaptive to solve different problems and to learn new skills. I also contribute to the open-source community in many projects (emphasys in math libraries).

    $28.00 /hr
    1,189 hours
    5.00
  2. Johnson Z.

    Johnson Z. Agency Contractor

    C/C++/UNIX/Game/Network programmer

    India - Tests: 5 - Portfolio: 4

    I am an engineer with exensive and wide ranging experience, creating various applications/libraries in the financial domain. I have years of experience creating low latency/high frequency trading applications for a leading investment back (in C++). Apart from HFT, I have also implemented trading/market data applications in the medium latency space for clients using 3rd party APIs like Interactive Brokers. I have also worked on trading languages like Taipan, MQL4 etc to create various strategies for clients. My professional experience also involves significant projects on network programming and creating high performance applications/libraries making use of UNIX technologies like mmap/shm etc. Apart from that I also have experience on OpenGL having made two 3D games in Windows/C++ (directly using Win32). I am also strong at wxWidgets and MFC. I have been part of significant cross technology porting/wrapper projects especially between python, C++ and Javascript using tools like shedskin and emscripten compiler. Area of expertise: C/C++, Unix, SQL, Win32, OpenGL, wxWidgets, Python, TCP/IP, MFC, Apache, Nginx, Emscripten, Shedskin

    Associated with: Kefas Softwares

    $20.00 /hr
    4,205 hours
    5.00
  3. Serhiy Pokrovskyy

    Serhiy Pokrovskyy Agency Contractor

    Expert in Ruby on Rails, C#, .NET, PostgreSQL, MySQL - 8 years exp.

    Ukraine - Tests: 2 - Portfolio: 22

    Started as a freelancer programmer, I've quickly grown to highly qualified and valued developer at ELEKS Software where I co-worked with world-famous companies and enterprise products such as SAP, Microsoft Dynamics and other, was a team leader and later a project manager of a growing real-estate management project. I have widely distributed and highly rated professional skills in variety of Informational technologies and other areas. In 2010 I've founded an Internet start-up - a new technology in Internet advertising. Now after my company is growing fine, I'm looking for some interesting work to do to feed my hungry developer's brain. In 2012 I've founded an outsourcing company, Synnergia Solutions, and working now on growing my development resources with highly qualified developers to tightly co-work on lots of interesting projects.

    Groups: Application Developers Alliance, Crossrider...

    Associated with: Synnergia Solutions Agency

    $150.00 /hr
    4,157 hours
    4.98
  4. Gayan Hewa

    Gayan Hewa Agency Contractor

    Web Developer | PHP / NodeJS

    Singapore - Tests: 5 - Portfolio: 5

    Experienced at working on projects from initial idea and development phase (vision/analysis), performing all design/architecture work and delivering the completed product. Self-disciplined, highly organized professional with the ability to thrive in high paced environments. Ability to manage many projects at once while working within strict deadlines and maintaining professionalism. Skilled in providing effective leadership in fast-paced, deadline driven environments. Excellent communication skills with the ability to successfully manage projects for multi-institutional organizations.

    Groups: Application Developers Alliance, Magento Certified Developers

    Associated with: Smart Outsource Inc.

    $44.44 /hr
    2,616 hours
    4.77
  5. Ahmad Hamad

    Ahmad Hamad Agency Contractor

    System Administrator/Scripts Write/Cloud Expert/Security Consultant

    Palestinian Territories - Tests: 6 - Portfolio: 2

    Hi there, I am a 32 years certified System Administrator/Programmer/Developer/Project Manager you wish getting help from : I am an LPI(101 & 102),RHCE certified, Automation king and Mobile/Desktop/Web Developer!! I have rich experiences in a wide range of software and systems over the last 15 years, the most notable skills are : 1-Linux System Administartion : I have installed, configured, repaired, and managed so many Linux systems (more than I can remember) since 2006. I started with Fedora, then centos and ubuntu. 2- Scripting (My Favorite!) : I do enjoy very much with scripting especially for automation purposes, and I am very experinced with it, on both linux (bash) and windows (autoit - batch). I can automate all the tasks even those that don't talk to the command line in windows. I made for example in past, a fully unattended Windows installation CDs that is fully customized to include all the software my customers need without asking single question ! and on Linux I use Bash scripting Language to handle almost every aspect of linux and I did wrote so many scripts for various tasks. 3- Hosting Services : I have installed and managed previously many control panels for hosting and administration, that includes Cpanel, Plesk, ISPconfig, Webmin, Usermin, AWS, DigitalOcean, rackspace, cloud providers and more ! and in addition to that I can run the hosting services directly myself with no need for a control panel. I managed standalone software like : Apache, MySQL Server, ws-ftpd, proftpd, lighttpd with fast cgi, thttpd, dovecot, postfix and other servers ! I can also build/manage any hosting services, including shared hosting, VPS and dedicated servers. 4- VPN Services: I have installed and configured many servers that provided VPN services, including PPTP and OpenVPN services. I have even created a custom control panel for the customers and link it with automation scripts I wrote to better help the client managing his customers. (see the following picture): http://img687.imageshack.us/i/screenshotrsl.png/ And besides I am the solo developer of vpnplatform (vpnplatform.org/team) ;) and my clients consider me the best VPN guy on odesk. 5- Figting Malware: I can get your windows box clean even from the hidden malware and spyware trojans. I can secure your box and keep it safe and protected. I have fought malware since 2001 achieving great results like : cleaning big networks from viruses and worms and keeping it up and running in hostile environments for months with almost no downtime ! Also, I've built an app I called (Automated Malware Wizard), that would backup clinets hard drives and then GUARANTEE the cleaning of them, then update their software to close any possible vulnarables. I can customize it to you to fit your needs (If you intend to run a malware-cleaning and maintainance firm/utility). 6-Networking : I've been an ISP CEO before, and delivered internet services for more than 200 local subscriber when I worked at Hamad ISP. 7- VOIP: I am familiar with Asterisk and Asterisk GUI Installations, from scratch to fully working installation ! 8-Virtualizaion : I am very good with VMware and VirtualBox, I used them for years as a combination with hosting services. 9-Managing Mailing lists : I can manage your Email lists and make it away from SPAM lists by playing fair and square, I managed lists before, some of them got thousands of subscribers, I can clean the list also of all invalid/outdated subscribes by catching all email bounces using (my experience was with phplist script). 10- Web Development using PHP/MySQL : I can develop web pages using a mixture of several technologies including html/css/php/mysql/javascript, and I've been using this skill more and more recently. 11- I have Oracle Databases, android and Java programming experience. And Finally, I can perfectly read, write and talk English Language and you can contact me over email, sms or mobile ! I perfectly speak English Language. I am ready to move to your job location if needed. I respect my work and give it every effort I can while keeping job's secrets secured and not to be shared with any 3rd party. You may see my odesk profile at: https://www.odesk.com/users/~~9b6150fc1d75d477 Note: I can adjust my availability time to suite your needs. Best wishes Ahmad

    Associated with: Palmtree Geeks, Hamad IT Agency, Holol Agency

    $20.00 /hr
    1,120 hours
    4.97
  6. Juan Esteban Garcia

    Juan Esteban Garcia Agency Contractor

    Drupal / Web Developer

    Colombia - Tests: 4 - Portfolio: 2

    I've been working as web developer for about 9 years. I specialize in developing PHP/MySQL applications from scratch, though I've worked on many kind of projects that involve APIs / web services (PayPal), e-Commerce platforms, Facebook Applications, in-house CMS, among others. Over the last 7 years I've dedicated myself to work with Drupal, so I'm capable of creating complete Drupal sites from scratch, that include customized code (writing modules), convert/create themes, search engine optimizations, and basic tasks in general. Most of my in-house CMS have been developed using CodeIgniter and adopting the MVC design pattern. I am able to not only build applications from the ground up but also to add functionalities to existing CMS, open source and commercial applications. Being a security consultant and knowing the risks web applications are exposed to, I'm able to build safe code and guarantee that your web application will be free of vulnerabilities. Apart from being a web developer I am also a server administrator with vast experience with UNiX-like operating systems such as GNU/Linux, FreeBSD, OpenBSD, Solaris and Plan9.

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    Associated with: Permalink

    $35.00 /hr
    3,201 hours
    4.95
  7. Samat Jukeshov

    Samat Jukeshov Agency Contractor

    Software Tester

    Kyrgyzstan - Tests: 3 - Portfolio: 5

    Experienced software tester with fast and high quality service. For the last 4 years I have been working as a Senior software Quality Assurance tester with full system development lifecycle experience, including designing, developing and implementing test plans, test cases, and test processes fueling swift corrective actions, significant cost savings, and fault-free audits. I’m fast, hard-working, well-educated, highly-motivated ,and always ready to deliver high-quality result in a timely manner. I have good knowledge in the following areas: * Open-Source Automation Tools (Selenium, Jmeter) [4 years] * Object-Oriented Programming in .Net and Java [4 years] * Excellent knowledge in creating test plans and writing/running automated test scripts to pinpoint software defects, track bugs, close open defects and validate functionality. Serve as a value-adding member of QA teams. [4 years] If you need my advice or a quote, do not hesitate to contact me and discuss your project in more detail.

    Associated with: Mobile heroes

    $22.00 /hr
    4,255 hours
    5.00
  8. Dhandapani K.

    9 yrs of exp in Java,MySQL,JFreeChart,Jasper Report,JSP,Struts,NMS/EMS

    India - Tests: 1 - Portfolio: 5

    Around 9 yrs of strong experience in design, development, testing, reporting using Java, JSP/HTML, Web Services, MySQL(Schema design & Performance Optimization), JFreeChart, Jasper Report. Hands on experience in AdventNet based Network/Element Management Software using Java, RMI, Swing, MySQL, Oracle, MSSQL, Sybase, SNMP and RADIUS. Experienced in reporting (JFreechart and Jasper Report) tools & MySQL schema design and Performance Optimization.

    Groups: Sun Certified Professionals

    $13.33 /hr
    2,816 hours
    5.00
  9. Navdeep S Chahal

    Navdeep S Chahal

    PHP,Wordpress,Drupal,Joomla,Magento,Opencart,Bigcommerce & responsive

    India - Tests: 3 - Portfolio: 2

    I am Navdeep, 7+ years of experience with Front-end and Back-end development. I always take website (business) to next level, because web designer always grow with the growth of clients websites (business). I have worked more than 1450 hours with 5 starts rating and very nice feedbacks from previous clients. I am always ready to take new challenges, lets create new records and relationships. My strongest area of expertise are: >> HTML5/CSS3(SASS & LESS), Twitter Bootstrap 3, jQuery, Jscript, Ajax, mobile Jquery. >> Pixel perfect PSD-to-HTML/HTML5 >> PHP/MYSQL, CakePHP, CodeIgniter, Zend, Yii. >> Wordpress, Drupal and Joomla Expert. >> Magento, BigCommerce, Shopify, Prestashop, Woocommerce, CS-Cart, Opencart, Cs-cart, Ebay & Amazon store creation and product uploading by CSV >> Configurable, Bundle, Group Product uploading >> CSV file making, importing and exporting. >> Expertise with more than 100 payment gateways, bests are PayPal, Authorize.net, Clickbank, Google checkout and more... >> Expertise with Google API, Google Maps and other APi development, customization and integration, JSON, XML, , Cpanel etc.. >> Social Medial integration. >> On-Page Optimization. >> SEO based Meta Title, Meta Description writing My motive is Client's satisfaction and win his faith, which results long terms business relationship.

    $15.00 /hr
    1,639 hours
    4.94