William Onnyxiforus Purnomo

Maintained and enhanced the IG Metall website while managing the REST API integration with the IG Metall App using Java. Collaborated on projects with prominent organizations such as the European Central Bank (ECB) and the Chamber of Industry and Commerce (IHK), utilizing the ADITO CMS, a JavaScript-based content management system. Additionally, developed and optimized end-to-end (E2E) tests with Cypress. Currently contributing to the migration from Cypress to Playwright for improved testing efficiency

As a part-time Vue JS developer. The current project area that I am working on is LMS (Learning Management System) module. This project will be used in many schools for managing student attendances, making announcements, managing class schedule, etc.

As a Web Developer since July 2019, I was responsible for creating a customized CMS product which are scalable, reliable, and secured. The CMS that I use in the company is Drupal. - Simultaneously managing several projects (e.g. quick registration project, events management API project, back office API project). - Communicating with external third-party to manage the API links. - Handling analytics and tracking tools for the website. - Providing guidance and managing team members to build websites.

I had position as a full-stack developer. I was in charge of some seminar and events website from the company clients. Our team build seminar websites to show all the agenda of the events and the registration part. Besides, we also create an API to support our mobile application for each user. One particular project that I handled was an Online ticket apps. It is synchronized with the mobile apps so it facilitates our clients in the process of check-in and check-out for the events.

Advisor: Professor Shi-Woei Lin While pursuing Master degree, I was responsible to do Research and Development (R&D) in Operation Research in Decision Analysis and Applied Statistics (DAAS) Laboratory.

Teach Management Information System in the Industrial Engineering Department of Petra Christian University.

Teach some subjects in the Informatics Department of Petra Christian University, such as Algorithms and programming, Computer Basic, Database, Operating System, Information system, Web technologies

Create an Accounting information system for the company using CodeIgniter Framework (web apps)

Responsible to manage Studio's lab in the informatics department of Petra Christian University, such as arrange the class and the assistant that will be held in the lab, make a report to the lecturer about the lab activities and the expense (if needed), make a curriculum for the algorithm and programming subject.

Create a sales tracking application for the company with CodeIgniter Framework (web apps) and Android Studio (mobile apps). I am responsible for web apps backend and mobile apps.

Operation Reseach, IOT