JAKARTA, ID
RESEARCH FOLIO
UNNES CS · GPA 3.89 / 4.00
BACHELOR OF COMPUTER SCIENCE CANDIDATE

Lyon Ambrosio Djuanda

— AI Researcher & Software QA Engineer

GRADIENT BOOSTING · HEALTHCARE EMR · NASA GLOBAL NOMINEE

Core Focus

Investigating gradient-boosted decision trees in machine learning, and stress-testing clinical healthcare software before deployment.

Undergraduate in Computer Science at Universitas Negeri Semarang with published research in JUTIF (SINTA 2, co-authored with Florentina Yuni Arini, Ph.D.) and ILKOMINFO (1st Author), alongside hands-on QA experience shipping 100+ bug reports across Hospital Surgery, EMR, and Pharmacy modules at PT Imperial Teknologi Indonesia.

Target: Graduate Studies in Informatics
2026

Direct Contact

Selected Work & Highlights3 Selected Artifacts
01
RESEARCH PUBLICATION2nd Author · JUTIF SINTA 2 · Apr 2026

Performance Evaluation of Gradient Boosting

Empirical benchmark of XGBoost, LightGBM, and CatBoost on high-dimensional purchase decision datasets.

Read Paper (DOI) ↗
02
CLINICAL SOFTWARE QAPT Imperial Teknologi Indonesia · Jan – May 2026

Hospital EMR & Surgery Systems QA

100+ documented production issues caught across Surgery, EMR, and Pharmacy modules alongside medical teams.

View Experience →
03
GLOBAL DISTINCTIONGlobal Nominee · Jakarta Best Concept · Oct 2025

NASA Space Apps Challenge

Machine learning platform utilizing NASA open data to visualize exoplanet parameters and identify habitable worlds.

Explore Project →
01AboutBackground & Education

Building at the intersection of AI research & software quality.

I'm a Computer Science student at Universitas Negeri Semarang, Indonesia, pursuing research and applied work in machine learning and healthcare software.

Beyond academics, I've worked hands-on as a QA intern at PT Imperial Teknologi Indonesia— shipping test coverage across EMR, Surgery, and Pharmacy modules while collaborating with on-site medical teams.

Education

Universitas Negeri Semarang

Bachelor of Computer Science

Aug 2023 – Dec 2026 (Expected)

Current GPA

3.89 / 4.00

Published researcher in JUTIF (SINTA 2) & ILKOMINFO journals
Represented UNNES as NASA Space Apps Global Nominee with Team Syntropy
Active contributor in I-SECRET ILKOM and community engagement (UNNES GIAT XVI)
Specializing in Predictive Modeling, Gradient Boosting & Healthcare Systems QA

Location

Jakarta / Semarang, Indonesia

Bahasa Indonesia

Native proficiency

English

Professional working proficiency

02ExperienceWork & Community
Industry Internship

PT Imperial Teknologi Indonesia

Semarang, Indonesia

Jan – May 2026

Quality Assurance Intern

Managed the full bug lifecycle using Jira, identifying and documenting 100+ critical issues across EMR, Surgery, and Pharmacy modules to ensure high system reliability and seamless hospital operations.
Executed comprehensive E2E and regression testing on web and microapp platforms, utilizing Postman for API testing to validate data accuracy and UI/UX consistency across MedMinutes EMR v2 and Clinical Forms.
Collaborated with diverse stakeholders through on-site hospital visits and video conference meetings, engaging directly with hospital IT teams, doctors, nurses, and medical record/casemix staff to gather user requirements and validate EMR workflows.

100+

Bugs Documented

03

Hospital Modules

E2E

Web & Microapps

Organization & Community Service

Student Organization

I-SECRET ILKOM UNNES

Universitas Negeri Semarang

Feb 2024 – Jan 2025

Media Staff

Managed digital content and promotional materials for the organization's social media channels to increase member engagement.
Coordinated the Grand Launching & Workshop PKM 2024 as an event committee member, managing the schedule and logistics for a successful execution.
Partnered with creative and technical teams to align media promotions with event requirements, ensuring a consistent visual identity.
Community Service Program

UNNES GIAT XVI

Desa Candiyasan, Wonosobo

Oct – Dec 2024

Media, Documentation & Village Mapping Staff

Spearheaded village potential documentation and produced official digital profile videos highlighting Candiyasan Village, Wonosobo.
Engaged directly with village administrative leaders and agricultural stakeholders to catalog community digital assets.
Delivered public education and multimedia training for local youth organizations.
03Projects2 Selected Works
01
NASA Global NomineeAI Engineer

NASA Exoplanets Identifier

→Developed a machine learning-powered web platform utilizing NASA’s open data to visualize exoplanet parameters and assist researchers in identifying potential habitable worlds.
→Engineered a classification system to distinguish true exoplanets from false positives, improving the efficiency of data validation for astronomical research.
→Awarded Jakarta's Best Mission Concept and selected as a Global Nominee in the NASA International Space Apps Challenge, representing the local region in the global judging stage.

Sep – Oct 2025

Machine LearningPythonNASA Open DataClassificationAstronomy
View Project ↗
02
UI/UX Developer

I-SECRET’s Official Website Development

→Designed the website using Figma, creating wireframes and interactive prototypes to define the visual layout and user interface.
→Worked with the web development team to ensure the design was implemented correctly and the website was responsive on different devices.
→Organized the website structure and navigation to make it easier for members and visitors to find information about the organization.

Apr – Aug 2024

FigmaUI/UX DesignWireframingResponsive Web
View Project ↗
04ResearchPeer-Reviewed Publications
JUTIF (Jurnal Teknik Informatika)2nd AuthorGradient BoostingMachine LearningComparative AnalysisPredictive Modeling

Performance Evaluation of Gradient Boosting Techniques for Predicting Customer Purchase Decisions

Contributed as the second author alongside Florentina Yuni Arini, Ph.D. (1st Author) and fellow researchers to conduct a comparative analysis of Gradient Boosting algorithms.
Developed and optimized machine learning models to evaluate the performance of various boosting techniques in predicting customer purchase decisions using tabular datasets.
Assisted in the research methodology and data validation process to ensure the technical rigor required for publication in the JUTIF journal.

Published

15 April 2026

Journal

JUTIF (Jurnal Teknik Informatika)

Contribution

2nd Author

Co-Authors & Collaborators

Florentina Yuni Arini, Ph.D. (1st Author), et al.

Full Paper ↗
ILKOMINFO (Jurnal Ilmu Komputer dan Informasi)1st AuthorUX ResearchSystem Usability Scale (SUS)SPSSStatistical Analysis

User Experience Analysis of the "Search for a Pickup" and "Search for a Destination" Features on Gocar in the Gojek Application

Served as the first author in leading the end-to-end research process to evaluate the usability and user experience of specific features within the Gojek application.
Designed the research framework and conducted primary data collection using the System Usability Scale (SUS) as the primary metric for assessing user satisfaction.
Performed advanced statistical analysis using SPSS to interpret measurement results and identify critical pain points in the "Search for a Pickup" and "Destination" user flows.

Published

30 January 2025

Journal

ILKOMINFO (Jurnal Ilmu Komputer dan Informasi)

Contribution

1st Author

Co-Authors & Collaborators

Muthia Nis Tiadah, et al.

Full Paper ↗
05Skills & CertificationsTechnical Profile

Programming

Python
50
Java
36
TypeScript
44
SQL
42

Frameworks

Next.js
58
React
56
Node.js
50
PyTorch
48
MySQL
52
Git
54

Tools

Postman
64
Jira
62
Slack
58
Figma
56
Unity
46
Google Colab
60

Certifications & Awards

NASA International Space Apps Challenge

Jakarta’s Best Mission Concept and Global Nominee 2025

NASA International Space Apps Challenge

Oct 2025

TestMu AI

Automation Testing

TestMu AI

Jan 2026

IBM

Artificial Intelligence Fundamentals

IBM

Nov 2025

Cisco

CCNA: Introduction to Networks

Cisco

Feb 2025

Huawei ICT Academy

HCIA-Security V4.0

Huawei ICT Academy

2024

Full Stack

PythonJavaTypeScriptSQLNext.jsReactNode.jsPyTorchMySQLGit
06ContactLet's Work Together

Open to
new work.

Looking for internships, research collaborations, or graduate study opportunities in computer science and AI.

Emaillyon.ambrosio.djuanda@gmail.com ↗LinkedInlyon-ambrosio-djuanda ↗GitHubgithub.com/lyonad ↗ResearchGateLyon Djuanda ↗

Send a message