Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.
Amazon EC2 Job Cost Overview
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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!
- Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)
Over 10 years experience as Linux administrator . Configured and maintained hundreds of servers having different tasks : web server (Apache/Nginx+php/ruby/perl), mail server (with AV and spamassassin), file server, mysql/postgresql, dns, IM server, VOIP, firewall/VPN. As a network administrator in a small WISP i built my skills up in wireless, routing/BGP, routers/swithes/firewalls, network monitoring/troubleshooting. I write my own scripts (shell/Perl) . Also i have limited experience in programming, mostly Php and C. Serverfault profile : http://serverfault.com/users/164490/sandor-marton
Developed wide range of websites using Server Side Technologies :- Java,J2ee,Spring (Spring AOP, Spring Dependency Injection, Spring MVC,Spring Security,Spring WebServices, Spring Social ), Hibernate, Struts 2, MULE ESB . Spring -Jersey REST. Client Side Technologies Extjs 4. Sencha Touch 2, Jquery 1.7 , Dojo .HTML 5 , Css3 , Ajax . Databases :- NOSQL :MongoDB , Cassandra PLSQL : Oracle , Mysql, Sybase Cache : Ehcache , Memcache and Gemfire JMS & AMQP : (Active MQ , Rabbit MQ , QPid ) SOA : Service Oriented Architecture using Spring BPM : JBPM and Drools Testing Mockito , Spring JUnits , JMOCK , Cucumber. Continuous Integration : Jenkins Version Management :- SVN , CVS and Git hub Server :- Tomcat , JBoss and IBM WAS Data analytic and Management : Hadoop and Big Data My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.
I'm expert to scale you business and reduce your costs.. part of my skills: * Big Data (hadoop, cassandra, mesos, spark) * IaaS administration (EC2, Rackspace, Openstack) * web applications profiling, load balancing, high availability (corosync, pacemaker, drbd, gfs, ocfs) * virtualization (kvm, xen, vmware, virtualbox) * deployment systems like puppet, chef, fabric * web servers (apache, varnish, NGINX) * mail servers (postfix, exim) * database servers (postgres, mysql, db2) * dns (bind, powerdns) * ldap (openid for all services) * tomcat, jboss, jetty * jabber (ejabberd, openfire) * ftp (pureftp, proftpd) * monitoring (nagios, munin, graphite, cacti) * networking (routers, firewalls, switches) * development services (subversion, jira, otrs, archiva, hudson and others)
I have been developing Asterisk based telephony systems for more then 8 years and have very extensive, more than 18 years, Linux development experience. I have provided Asterisk and OpenSIPS cloud based solutions that comprise both back and front-end components and include complex dial-plans, IVRs and AGI scripts, in the following areas: - Hosted PBX applications - Conference bridge applications - Call Center applications - Intelligent Telephony load and stress test applications - Asterisk ARI - Asterisk WebRTC - REST API, OAuth 2.0 I have designed and developed Asterisk based Call Center system that is running on the AWS EC2 instances. This system is successfully integrated with the following platforms: - Proprietary CRMs - vTiger - Bigcommerce - Shopify - Nation Builder - NGP VAN I have very extensive customer support experience and good at writing user guides and developer API documentations. In addition I have a Project Management certificate.
Since 1998 I have developed dozens of web applications focusing on a wide-range of industries including custom search engines, affiliate marketing, real estate solutions and worker safety. As an autodidact, I pride myself on learning new technologies and continually improving my skill-set. As a freelancer, I believe in professionalism, clean code and representing my craft to the highest degree possible. On the server-side, Laravel is my current PHP framework of choice, although I am comfortable working with Zend, CodeIgniter, Cake and Yii. For the database layer, I have 14 years of experience with MySQL. On the client-side, I prefer jQuery, Backbone and Twitter Bootstrap. Although I am not a graphic designer, I know my way around the Adobe software suite. I write standard compliant HTML5 and CSS3. I have an eye for useable, clean and obvious functionality. I have experience with many APIs, including Amazon, Box.net, Infusionsoft, Facebook, Twitter, PayPal, eWay, Authorize.net and Google. I can write APIs from scratch and give your application a RESTful interface. I am seeking opportunities to build custom web applications from the ground up or taking an existing code base and improving upon it.