Web and Mobile Development

Technical Skills: • Back End: Java, PHP, JavaScript (NodeJS). • Front End: JavaScript, Actionscript. • Background : OOP, Design Pattern, UML, Data Structure and Algorithm, Principle programming language. • Technologies: Servlet/JSP, AJAX, HTML5/CSS, WebService, JNI, CORBA, Video JS Encoder/Decoder, Streaming, WebSocket. • Protocol: HTTP, WebDAV, Calendar DAV, IMAP/POP3/SMTP, XMPP, RESTFULL, SOAP, OAuth, RTMP. • Java frameworks : Spring, Spring Security, Hibernate, Struts, JFreeChat, Quartz Scheduler, ICU, Nutch, Tika, Hadoop, JavaMail, Milton. • PHP frameworks/opensource: Yii, Wordpress. • Javascript frameworks: Jquery, AngularJS, ReactJS, Codemirror. • Android: Native App, React Native, Hybrid App. • Search Engine: Apache SOLR. • Caching : Redis, Memcache, File Cache. • Template Engine : Smarty, Velocity. • Database: Modeling, RDBMS (MySQL, SQLite, Postgres), NoSQL (MongoDB, SOLR, SOLR Cloud, Cassandra, HBase, Hadoop), LDAP. • Data Format : XML, JSON • Cross Domain : JSONP, CORS, Proxy, Redirect URL. • Integration: Facebook, Google, Twitter, LinkedIn, Naver, KaokaoTalk. • Opensource: Open Street Map, FFMPEG, ImageMagic, GIMP. • Cloud Platform : AWS (EC2, S3, Lambda, Elastic Transcoder, SMS, CloudFront, RDS). • Media Server: Red5, Flash Media Server, AWS (Elastic Transcoder: HLS Streaming). • Architecture : SaaS, PaaS, SOA, MVC, REST • OS Platform: FreeBSD, Ubuntu. • Web Server: Tomcat, Apache, Express.