I involve in developing SONAR project (http://www.sonarplatform.com). My main responsibilities are to manage application development project, to design SONAR as a whole system, to ensure SONAR to deliver expected requirements and to research possible enhancements for SONAR.I use with three programming languages: PHP, java and Scala to develop SONAR.

Basically, My main responsibilities were to specify procedures and policies, to provide direction and technical expertise in development, to solve technical problems and to manage technical team and resources for every company's projects.

I worked on BaBe Project (https://play.google.com/store/apps/details?id=id.co.babe) as backend engineer. My main responsibilities were (1) to provide effective and scalable backend system for BaBe, (2) manage backend application development to ensure implement some new features for Babe.I recreated BaBe's backend system to keep up with increasingly high web traffic. After succeeding on tackling high web traffic, I involved in providing data and support for BaBe's features, such as, search articles, recommendation system, logging for data warehousing and data mining system and analytics.BaBe itself is a mobile application, which functions as news aggregator from news publishers in Indonesia.I used with two programming languages: PHP and java. PHP is still used due to legacy code.

My main responsibility are to manage application development project, to ensure application to deliver expected requirements and to research possible enhancements for current system. My work also expect me to create proof-of-concept (POC) for new features and enhancement. I still code though and deal with three programming languages: PHP, java and Scala.

As a manager, I mainly design and manage development and enhancement of SITTI Application (http://www.sitti.co.id). I am also mainly responsible for SITTI Infrastructure and ensuring SITTI Application to run well. I still code programs for SITTI, mainly to create prototype or proof-of-concept.When coding, I used PHP and python.

My main responsibilities were researching new methodologies and developing applications for SITTI project (contextual ads platform specifically for Indonesian language, see http://www.sitti.co.id); Designing database design and developing script programs for leeching-indexing, serving, bidding, reporting and billing systems of SITTI; and lastly managing database structure and data.As the work requested, I code using two programming languages: PHP and python.

* preparing and evaluating material courses* lecturing* preparing and evaluating exams

Doing programming work for CATS Project

Developing software for data transformation from WOMS file to CPN file

Database Programming for Kundenintergration Project