Hello, World.

I'm Bonaventura Jason.

Android Developer

More About Me
About

Let me introduce myself.

Profile Picture

Experienced in Android application development since 2020, focused on building reliable, scalable, and user-oriented mobile applications using Kotlin. Work spans across various sectors including fintech, government projects, and product prototyping.

Strong interest in building impactful digital products and continuously learning new technologies. Known for being a fast learner, detail-oriented, and able to collaborate effectively in team environments. Passionate about delivering clean, maintainable code and staying updated with the latest Android development trends.

Profile

Based in Jakarta, Indonesia and has been interested in information technology since 2016. Enjoys playing badminton and futsal, spending time gaming, and watching TV series in spare time.

  • Fullname: Bonaventura Jason
  • Job: Android Engineer
  • Email: bonaventurajason87@gmail.com
Resume

More of my credentials.

A goal-oriented Mobile Developer with strong analytical skills, familiar with Android and Kotlin-based programming. Able to communicate well and collaborate in a team with members from various divisions.

Work Experience

Android Engineer

February 2021 - Present

Indodana

Developed a new application to support the Indodana ecosystem, and added new features to the existing application in order to make users have a better experience and engage more with the application.

  • Helped modularize the application to improve scalability and maintainability.
  • Implemented caching mechanisms for frequently accessed pages, reducing backend load by approximately 35%.
  • Optimized image delivery via CDN, decreasing overall app size by around 20%.

Android Developer

November 2020 - December 2020

Freelance

Designed an application architecture using Android Architecture Components that aimed to develop a maintainable application. Implemented Android Jetpack Libraries to follow best practices in Android Development and maintain stability of the application. Tested the application’s usability with unit testing and instrumentation testing.

Android Developer

August - November 2020

PT Helios Informatika Nusantara

Developed new applications which aimed to increase Helios Mobility Suite productivity. Implemented the best practice approach for Modern Android Development for Helios Mobility Suite, such as clean architecture, MVVM Pattern, and Dependency Injection. Worked on integrating Helios Mobility portal with Firebase Storage service. Worked on bug fixing and application testing until the features are ready for the production stage.

Android Developer Intern

May - August 2019

PT Lubna Digital Optima

Implemented User Interface for “Atur Duit” and My Account features requested by product and design division within deadline. Collaborated with teams from business, product, and design division to plan on new features according to user’s requirement collected by business analyst. Worked on bug fixing and improving application performance until the features are ready for the production stage.

Education

Bachelor Degree

July 2016 - December 2020

Institut Teknologi Harapan Bangsa

Studied at Institut Teknologi Harapan Bangsa, majored in Electrical Engineering (Teknik Elektro) with concentration in Mobile Technology. Nominated on Dean’s List for 8 semesters. Graduated in December 2020 with 3.92 GPA.

Organizational Experience

Chairman

November 2017 - November 2019

Developer Student Club

Developer Student Club is a community for those who want to develop their mobile / web development skills which is presented by Google Developers. Created a workshop specifically in Android and Web Development according to the official modules from Google Developers. Provided members with solving problem skills, such as design thinking, teamwork, and storytelling that help members in the project making to solve community problems.

President

May 2018 - May 2019

ITHB Association of Computer and Electrical Engineering Students (ACEES)

ACEES is an ITHB Information Technology student organization which facilitates students’s creativity, IT skills, and social activities. Acted as decision maker and coordinated the organization so that all 70 members can work together as a team with one purpose.

Portfolio

Check Out Some of My Works.

A collection of published applications, product prototypes, and college final projects developed throughout my journey.

Achievements and Certifications

These are the achievement and certification in order to keeping pace with today’s technical roles and requirements.

5

Projects Completed

5

Certifications Received

999

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Contact

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