Portfolio

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Jonghyun Park
Graduate StudentComputer Science
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Preview image
Jonghyun Park
Graduate StudentComputer Science
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Preview image
Jonghyun Park
Graduate StudentComputer Science
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Hi there! I'm Jonghyun.
I enjoy problem-solving and am driven to implement innovative software/ML applications.

Experience

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Data Analyst Intern

Roche • Jun 2025 – Sep 2025

• Engineered an automated digitization workflow for handwritten documents with over 200 data cells per page using Amazon SageMaker, resulting in 78.6% cost reduction.

• Orchestrated data storage in Snowflake and developed a Streamlit application to streamline manual data validation.
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Graduate Researcher

UCSD Spatiotemporal Lab • Jun 2024 – Dec 2024

• Developed a framework for local symmetry discovery in Lie basis for extensions of equivariant network capabilities.

• Co-authored a paper, AtlasD: Automatic Local Symmetry Discovery, accepted at ICML.
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Instructional Assistant

UCSD • Sep 2023 – Present

• Conduct 7-10 hours of office hours a week to help students with implementing Nachos OS using Java. Run weekly discussions sections with ∼15 students.

• Offer both one-on-one and small group tutor sessions to give guidance on mathematical concepts.
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Research Assistant

GNU Big Data Systems Lab • Jun 2023 – Sep 2023

• Developed Python scripts to process block I/O traces and collected necessary features that define individual traces.

• Assisted in developing a general approach when analyzing the performances of different SSDs using I/O performance results (e.g., throughput, latency).
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Staff Sergeant, Squad Leader

Republic of Korea Army • May 2021 – Nov 2022

• Led a squad of 6 signal soldiers to install and manage a stable wartime electronic telecommunication system.

• Managed 5 different server/databases used for maintaining all landline phone calls and preserving military information.

Projects

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Wrath of Zeus

• A distributed, real-time, 3D multiplayer 3-v-1 asymmetric maze escape game.
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Yelp Rating Predictor

• ML recommender systems to predict Yelp ratings based on diverse features on Yelp.
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RL Tetris Agent

• Implemented deep Q-learning reinforcement algorithm to allow the agent to self-learn and play tetris.
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Multiple QR Code Reader

• Developed an algorithm to automate the process of reading multiple QR codes in a single picture.
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Portfolio