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Saroj J.

Saroj J.

Senior DevOps / Java Architect

India - Tests: 1

* Seasoned Technical Veteran in designing and implementing Secure, Scalable and Highly Available platform in leading IaaS. * Excellent hands on experience in Amazon Web Services (AWS), OpenStack, Google Cloud Platform, OpenShift 2/3, Apache Mesos * Sound and solid skills in installation and administration of Docker, Kubernetes infrastructure. * Extensive Production level experience in Chef/Puppet/Ansible/Salt * Highly experience in Java/Ruby/PHP/Python Application servers. Several years of production level experience and can offer best practices streamlining the Server operation. * 14yrs of JavaEE/PHP/C++ experience, 8yrs of JavaEE/PHP Architect. * Experience in Cloud Management platform such as RightScale an Scalr. * Proficient in writing Cloud API client for any integration with 3rd party application. * Administration experiences in Visualizations tools like OpenVZ, Xen, VirtualBox, KVM, VMWare * Expert in implementing Scalable and HA server architecture using OpenSource tools like HAProxy, Varnish, GlusterFS, Luster,Redis/HBase, KeepAlived, Nginx, memcached, nodejs * Experienced Seasonal Programmer. Solid hands on experience in writing scripts/programs in Java/Python/Perl/PHP/NodeJS/AngularJS. * Experience in Application Life cycle Management (ALM)) * Professional Experience in build/automation/release management tools such as maven,capistrano,phing,gems, pear, ant, jenkins etc. * Solid DBA in MySQL and PostgreSQL. Have written several patches for MySQL. * Proficient in Automation tools like Chef, Puppet and Fabric. Have successfully handled more than 300+ server using Puppet. * Proficient in IT Infrastructure Monitoring tools like Nagios, Monit, Munin,Cacti,Zenoss * Deep knowledge in Configuration and Optimization the LAMP stack and JavaEE application server. * Experience production level support in JavaEE servers, tuning JVM, profiling JavaEE application and hunting down the memory leaks. * Administration experiences in Plesk, cPanel, HSphere, ISPconfig, vePortal, SolusVM, WHMCS * Experience in Distributed File system (GlusterFS, Luster, Ceph) * Administration experience in NoSQL database like HBase, Cassandra, Redis, MongoDB * Professional experience in administration Java Application Server (GlassFIsh, JBoss, Weblogic) * More than 8 years experience, including responsibility for 400+ Linux clustered Servers and 140+ SUN servers in multiple locations in US, Europe involving high traffic, high reliability, business critical systems such as flight booking systems, cache systems and search engines etc.... * Experience in Linux System Security hardening and protecting possible threats. * Experience in scaling media streaming server like Shoutcast, Darwin Streaming, Icecast. * Experience in GIT, SVN, Mercurial, BitKeeper. * Hands on experience in RoR, CodeIgniter, Kohana, Spring Framework, Symfony, Web2Py,DJango etc..

100% Job Success
$33.33 /hr
5,695 hours

Roman B.

Roman B. Agency Contractor

Java/J2EE developer

Ukraine - Tests: 12 - Portfolio: 1

Specialist with 4 years experience in software development, mostly in web development using Java and related technologiess: Servlets, JSP, JSF, Struts, Spring, EJB2/3, JPA, Hibernate, Velocity, Quartz, Seam, Ant, Maven, DHTML, CSS, JavaScript, jQuery, JBoss AS, Tomcat. Team and goal oriented, learns capably.

Associated with: KV4Solutions

98% Job Success
$33.33 /hr
7,559 hours

Giovanni luca S.

Giovanni luca S.


United Kingdom - Tests: 2

Senior Software literate specialized in the Java technology: Desktop, Enterprise and Mobile (J2SE, J2EE and J2ME). Computer Science graduated with good problem solving working following the principles of the SCRUM Agile Methodology.

$15.54 /hr
1,063 hours