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  1. Aldrin L.

    Aldrin L.

    Architect, Backend Engineer (Scala, Java, Hadoop)

    Brazil - Last active: 16 days ago - Tests: 12 - Portfolio: 1

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

    Groups: LoginRadius, Microsoft Certified Professionals

    $55.56 /hr
    3,109 hours
    4.83
  2. Brad R.

    Brad R.

    MCITP, MCSE, Virtualization, Network Engineer/Mangr, Writer

    United States - Last active: 1 month ago - Tests: 3 - Portfolio: 1

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager in NT, 2000, 2003 and 2008 environments. Extensive experience in Server Virtualization including VMware and Hyper-V integrated with HP and EMC SANs. Practiced understanding of Exchange, Lync Server 2010, Fortigate UTM devices, Active Directory, PKI and DFS. Five years of experience as a corporate Microsoft/Certification trainer and serving as an MCSE/CCNAinstructor for technical schools, colleges and corporations such as AT&T; and Comcast Cable. I have created course curriculum for two online schools. I am extremely proficient in Server 2012 and 2008, including Server Core edition, Hyper-V, Fortinet, VMware, Procurve, HP and EMC SANs, Active Directory, Exchange, SQL, Procurve switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also a professional writer and have contributed to several white papers and authored published articles in professional journals. Have also written and reviewed test questions for IT professional certifications. I am looking for other opportunities to supplement my work load. My Microsoft Profile can be accessed by this link: http://www.mcpvirtualbusinesscard.com/VBCServer/brad.rudisail/profile For more information on me go to www.bradinthecloud.com

    Groups: Microsoft Certified Professionals

    $34.94 /hr
    1,818 hours
    4.96
  3. Umer S.

    Umer S.

    iOS/Cocos2d/Cocos2d-x/Unity3d Developer

    Pakistan - Last active: 1 month ago - Tests: 3 - Portfolio: 4

    Over the last 4 years, I have been working as a Lead Mobile Developer. My expertise lies in iOS, Android and Unity3d development. I have wide range of experience in native applications, Cocos2d and Unity3d Games. I also have great skills in Cocos2d-x and Unity3d for cross platform release. Any sort of Ads integration or In-App Purchases (Charboost, PlayHaven, iAD, Vungle, AdMob, AirPush, MoPub, AppLovin etc.) for both iOS and Android is a piece of cake for me. I can assist in any kind of Mobile Development problem, from start of its development to the final upload. My core competency lies in the complete satisfaction of my clients. Here at oDesk, i am seeking opportunities to work with professional clients and to have long term business relationship.

    Groups: Upwork Verified Mobile Developers

    $33.33 /hr
    1,008 hours
    5.00
  4. Andrii K.

    Andrii K.

    System Administrator

    Ukraine - Last active: 14 hours ago - Tests: 5 - Portfolio: 3

    Last 6 years I have engaged in system administration using Apache2, Nginx, PHP, Perl, Python and MySQL including sites for startup companies and small businesses. extensive experience in the deployment of sites and projects of varying complexity, and I am seeking opportunities help you to build your business. I have great experience in: - Linux maintaince/troubleshooting: Debian, CentOS, Gentoo, Ubuntu, RHEL etc - Apache2 + Nginx, Nginx + PHP-fpm, Nginx + PHP-fastcgi, MySQL, Varnish, Memcached. - Linux serverside: iptables, rsync, Bind, OpenVPN, - Mail: Exim, Dovecot, Postfix. - Cloud Hosting: Digitalocean, RackSpace, Amazon (EC2, AWS, S3), Linode, GoDaddy - Hosting providers : Softlayer, Hetzner. - Backup/Migration - Hosting panels : Plesk, whm\cPanel, ISP , DirectAdmin, Virtualmin - Virtualization: Xen, KVM, OpenVZ, Proxmox - Monitoring: Zabbix, Munin, Cacti, Nagios - CMS : Wordpress, Drupal, Magento, Joomla, CS-Cart

    $30.00 /hr
    1,506 hours
    4.99
  5. Ahmed Sayed

    Ahmed Sayed

    Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    Egypt - Last active: 1 day ago - Tests: 7 - Portfolio: 1

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Proxmox Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery

    $44.44 /hr
    6,798 hours
    5.00
  6. Roman D.

    Roman D.

    Server Administrator, Virtualization, Networking - CISCO, Google Apps

    Romania - Last active: 14 hours ago - Tests: 17 - Portfolio: 1

    My objective is to bring excellent client satisfaction, providing quality and professional work. I am an IT Engineer with bachelor degree. I'm also an experienced Linux Server Administrator, areas of my expertise are: *Google Apps Certified Deployment Specialist *Windows family Operating Systems (administration, configuration, audit, optimization) *Rights Management System for Active Directory (installing, configuring) *Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, configuration, audit, optimization) *Webhosting Administration (cPanel, Plesk, DirectAdmin) *Amazon AWS setup using RightScale.com or Amazon tools *Apache (installation, configuration, optimization) *Network administration (CCNA certified) *MySQL (installation, configuration, optimization) *Subversion systems - SVN, Perforce (instalaltion, configuration) *Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) *SMS Gateway (Kannel, PlaySMS) *Mail programs (Exim, Postfix, Qmail, dovecot, ssmtp) *Webprogramming knowledge: PHP, HTML, CSS, JavaScript *System Backup and Restore automatization *System Services Monitoring automatization *Virtualization (VMWare, VirtualBox, HyperVM, OpenVZ, Xen) *Shell Scripting *VPN systems, OpenVPN (installation and configuration) I can figure out fast the problem and find a solution for it. Languages that I speak: Russian and Romanian - native speaker; English - advanced level.

    Groups: Bluehost Developers and Designers, Caspio

    $35.00 /hr
    1,652 hours
    5.00
  7. Yevgen S.

    Yevgen S.

    Web developer: PHP, MySQL, Javascript

    Ukraine - Last active: 14 hours ago - Tests: 5

    Over the last 11 years, I have developed data-driven applications mostly for web using advanced backend with PHP/MySQL and rich frontend HTML/CSS/JavaScript. My experience includes web applications for small-to-middle business automation, corporate websites based on CMS/CMF, online shops, Social networks, Search Engines, etc. Advanced communication skills: fluent English and Italian. Experience of team leading. Vast knowledge of: Databases, SQL, OOP, JavaScript, Ajax, optimization, automated testing, usability, software design and development. More than ten years of offshore development for the North American and European customers. High level of reliability.

    $30.00 /hr
    1,978 hours
    4.99
  8. Vladislav Y.

    Vladislav Y.

    Network Expert (Cisco CCIE),Datacenter and Virtualization Professional

    Russia - Last active: 14 hours ago - Tests: 4

    IT Professianl with 15+ year of hands-on experience, an Cisco Expert in both Routing&Switching (CCIE R&S since 2005) and Service Provider (CCIE SP since 2009) , Professional in Network Security (CCSP), Professional in Vmware Vsphere and Horizon view technologies (VCP-DT and VCP-Desktop) I have extensive experience with Cisco ( IOS, NX-OS) , Juniper, HP networking hardware and technologies, and strong on the side of Virtualization ( Vmware) and UNIX systems (Linux, Solaris, FreeBSD). Microsoft OSs are also part of my experience. I am certified in Linux/UNIX:RHCE on RHEL3 and SCNA on Solaris 9 and 10, also Microsoft-Certified: MCSE.

    $45.00 /hr
    7,018 hours
    5.00
  9. Vedran J.

    Vedran J.

    Linux Administrator, AWS, Nginx, Ubuntu, CentOS, EC2, Plesk, HAProxy

    Croatia - Last active: 14 hours ago - Tests: 9

    8+ years of experience in: ** LAMP/LEMP(Nginx) administration and server hardening (Ubuntu, Debian, Centos,RHEL,HAProxy, Ruby/Thin deployment DevOps, Python/Django deployment DevOps,Nagios, fail2ban..) ** Amazon web services - AWS (EC2, VPC, RDS, S3, Route53, Cloudfront, Elastic Load Balancer, AutoScaleing, etc..) ** Nginx rewrites ** Google pagespeed ** Linux troubleshooting ** VPS providers: Linode, Rackspace, Amazon(AWS), MediaTemple, HostGator, Cloudflare, MaxCDN, CloudFront, NameCheap, GoDaddy, DigitalOcean, EC2, Bluehost ** Parallels Plesk ** Odoo/OpenERP installation ** VPS administration ** AWS EC2 administration ** VMware vSphere ** NewRelic ** fail2ban ** HAProxy ** keepalived, vrrp ** Nagios monitoring ** Elastic Load Balancer ** LINUX deployment and migration ** Rackspace Cloud Services ** Ruby on Rails app deployment ** Python - Djengo app deployment ** CPANEL, PLESK, WEBMIN, SHELL/SSH administration ** proftpd, pure-ftpd, pure ftp ** DNS, BIND, PowerDNS ** SSL certificates ** Site migration ** Network troubleshooting ** CSF firewall ** VPN ** Cisco, Mikrotik, Juniper Networks, Extreme Networks.. ** Linux PENTAHO deployment ** Squid, AiCache, AiScaler ** CVE-2014-0160 - OpenSSL Heartbleed patching. EXPERIENCE: Knowledge in Linux networking and service management, such as APACHE server, Nginx, LAMP, LEMP, LNMP, MYSQL, POSTGRESQL, tcpdump, haproxy, WIRESHARK, tshark, URL rewrite. Eight years of first hand experience in network and linux administration, support and Core Network design in Telecom environment. Excellent knowledge of various tasks such as: routing, BGP, VPN, Layer 3 networking(Routing), Layer 2 networking (LAN switching), VLAN, OSPF, RIP, network and packet troubleshooting. Working experience with various network equipment such as: Cisco, Juniper Networks, Extreme Networks, HP networking, MikroTik RouterOS, Ericsson OSS, Redback Networks and so on.. Experience with various providers such as: -AMAZON WEB SERVICES (AWS, EC2..) -RACKSPACE -HOSTGATOR -GoDaddy -MediaTemple -Cloudflare -NameCheap -LINODE -QuickWeb -HAProxy -etc.. -WHMCS RESELLER setup and migration on project or permanent basis. Including DNS, EMAIL, WORDPRESS migration -CPANEL, PLESK, WEBMIN, H-sphere, SHELL administration -SSL certificates Also available for packet and network congestion inspection. Having problems with BGP load balancing in multihome environment, need help or advice, contact me! :) Dedicated SERVICE MONITORING on own server with escalation on your own mail address

    Groups: LoginRadius

    $49.50 /hr
    2,853 hours
    4.92
  10. Anton M.

    Anton M.

    Mobile app & game developer (iOS, Android, Windows)

    Belarus - Last active: 14 hours ago - Tests: 2 - Portfolio: 19

    I develop cross-platform mobile apps including games for iOS, Android & Windows platforms. I know everything about mobile development including adnetworks integration, in-app purchases on every platform, social functionality (login/sharing etc), cross-platform back-end services like Parse. oDesk has recognized me as one of their top Mobile Developers. See the badge on the right of my profile for more information Programming was my hobby since early school years. Despite the fact that I have higher education (and PhD) in civil engineering, I'm still fond of programming and software design. Over the last 8 years I have participated in different software development projects. My main field is development using .NET technologies (Silverlight, WPF, WP7, Windows8 & Xamarin projects, but I aslo have good knowledge of Windows Forms, WCF, and also I have some experience with ASP.Net (including MVC4) website development and MSSQL Server).

    Groups: Upwork Verified Mobile Developers

    $33.33 /hr
    2,088 hours
    4.60