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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
5,691 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
7,556 hours

Leonardo Pelegrini

Leonardo Pelegrini

Senior Systems/Business Analyst (15 years Exp.)

Brazil - Tests: 2 - Portfolio: 6

Experienced Business and Systems Analyst, J2EE Certified Architect and Programmer. Post Graduate degree in Web-Based Software Development. Have been working with system development for the last 15 years, 8 of it eliciting requirements and building knowledge base for IT systems. Expertise in business, functional and technical levels. Also a specialist in requirements management, traceability, impact analysis and reverse engineering from source code. Strong ability to communicate with developers, management and customers, to keep every party at the same page, while detailing and approving the given solution. Technical Writing skills and 4 years work using English. Also a committed and collaborative professional who fits very well with the culture of remote teamwork. Primary services : ► System design using UML 2.0 diagrams (structure and behavior) : Use Case, Class, Sequence, Component, Deployment. ► Business process modeling using BPMN 2.0 ► Requirements gathering to use cases and user stories. ► Software Requirements Specification ► Agile-related: Product backlog, sprint planning, sizing, review and management. ► Requirements management and Integrated Change Control ► Create traceability between documentation and source code ► Reverse engineer legacy code to documentation ► Work in Strategic Planning and Project Management areas

$66.67 /hr
0 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