Focusing on migration of web technologies from Oracle to PostgreSQL, the goal of this project is to update the software and provide speed and efficiency in software usage according to user needs. In addition, I also worked on the front-end development of the Service Analysis System.

• I have created approximately 40 types of web pages used for managing PostgreSQL data along with their respective configurations (JavaScript, Python and Flask framework)
• I developed around 6 dashboard pages for the Service Analysis System (Using FusionCharts and Webix technologies)

As a Freelance Psychology Test Web Developer at Satya Wacana Christian University, I have worked as part of a team for 8 months, developing web applications for psychology tests.

• I have successfully contributed to both front-end and back-end development tasks
• Worked with the CodeIgniter framework and used PHP as the primary programming language
• Handled the UI aspects of the email templates sent through the Sandgrid web server

I have conducted penetration testing for multiple companies and delivered vulnerability reports, which were well received by the organizations. They promptly responded to the findings by implementing necessary web software improvements.

• Successfully identified more than 10 security vulnerabilities and provided comprehensive reports
• Resulted in successfully maintaining the security of several companies from security holes that I found
• During my engagements, I utilized various tools such as Burp Suite, sqlmap, and many others

I worked as part of a team to develop a web application called "Kotak," which is designed for searching and renting boarding houses and rental accommodations

• Kotak was made using PHP and the Laravel framework
• I was responsible for the end-to-end web design and front-end implementation
• I successfully translated my designs into a fully functional web application despite encountering various challenges along the way

I worked as part of a team to develop Kretix, a web application for online train ticket reservations.

• This application was developed using PHP and the Laravel framework
• I was responsible for the entire design process, implementing it into the front-end, and also contributed to various aspects of the back-end development.