actively looking for 2026 summer / fall internships!
I build intelligent products at the intersection of engineering & business. Based in LA's Koreatown for now...
about me
CS + Business Administration @ USC . Three internships shipping production chatbots, financial NLP pipelines, and internal tools across teams spanning three continents. I gravitate towards the messy middle between engineering and business and love work where you can trace a line from the code to the impact.
skills
Python C++ Java JavaScript Swift HTML/CSS PyTorch TensorFlow Scikit-Learn LangChain Google Vertex AI Docker MySQL Tableau Power BI Excel Matplotlib R
languages
English (native) Indonesian (native) Japanese (native) Mandarin (professional)
currently
Digital Systems Student Worker Manager
Feb 2025 – Present
previously
Gen. AI Engineer Intern
May – Aug 2025
Swing Phi — end-to-end news sentiment pipeline (BERT, FinBERT, Claude LLM), 100+ daily articles, 85% event correlation accuracy
AI/ML Systems Engineer Intern
May – Aug 2024
NTT Data Inc. — production RAG chatbot on Google Vertex AI, 30% reduction in manual reporting, cross-regional (Spain, APAC, NA)
Dashboard & Analytics Intern
May – Jul 2023
IDN Media — Tableau dashboards from MySQL data, boosted Unilever Clear® ad engagement by 45%
Research Assistant
Aug 2022 – May 2023
Trisakti University — consumer segmentation data-mining for Domino’s Pizza (Naïve Bayes, Matplotlib, R)
projects
Full-stack Flask web app with interactive dashboards, ML-powered stat prediction (Linear Regression, Random Forest), and CSV persistence —
GitHub Social hiking platform with friends system, activity feeds, and JWT auth (Java, MySQL, React) —
GitHub honor(-able mention)s
J&J Case Competition 2nd Place – Silver
Represented Team USC at the national level against 11 schools
Hackathon+ (Avenues Consulting) 1st Place – Gold
Pitched TheraPioneer, an AI-driven therapist assistant platform
GSSC Pitch Competition Semifinalist
Pitched GurU, a student-faculty research matching platform
The Wharton School – LBW Full Merit-based Scholarship Recipient
1 of 10 full rides to the Leadership in the Business World Summer Program
Dean’s List (5×) Recipient
GPA ≥ 3.5
the little things
🎾 tennis 🏐 volleyball 🍖 food crawls 🍵 matcha (ceremonial) ☕ sand-brewed coffee 🎮 couch multiplayer 🐶 dog-walks 🚗 night drives 🎵 jazz piano 🎬 movie runs 🎲 board game nights
© 2026 Joseph Leo · built with purpose and 200mg caffeine doses ⚡press / to open terminal