
John Alexander Santosa
Hi, I'm John Alexander Santosa, a junior at Northeastern University's Khoury College of Computer Sciences, majoring in Computer Science with a concentration in Artificial Intelligence. I’m passionate about building intelligent systems and scalable software that bridge data, design, and impact. Having gained hands-on experience in data engineering, web development, and machine learning, I aim to help shape Indonesia’s growing AI and technology ecosystem. I’m always open to connecting with new people and exploring opportunities. Feel free to reach out at santosa.j@northeastern.edu
My Experience
A quick look at where I’ve been and what I’ve done.
- GoTo GroupData Engineering InternMay 2025 – Sep 2025

 
PT. Bank Central Asia (BCA)Front-End Developer InternMay 2024 – Aug 2024- Proskuneo KadarusmanWeb Development InternFeb 2024 – May 2024

 
Featured Work
See allFeb 2025 – Apr 2025
Linear regression on historical data + technical indicators; automated diagnostics and testing with Pandas & Statsmodels.
Oct 2024 – Mar 2025
C2C ticket resale platform using React, Django, and SQL; responsive UI and optimized queries improved load times by ~30%.
Jan 2025 – Mar 2025
Python ETL with Selenium + WhoScored; dynamic rating system factoring goal diff & home/away to boost predictive accuracy.