JH. Seoul, Korea

Software engineer

Junseo Ha.

Building with AI.
Making it useful on the web.

I work across LLM applications and front-end development, with a computer science background from Georgia Tech.

Selected projects

ARC reasoning agent

A knowledge-based AI framework using symbolic reasoning and rules to solve abstract visual tasks in the ARC Prize Challenge.

Python · Symbolic AI

TerraVision

A geothermal energy visualization with hexagonal mapping, plant creation, and bookmarks. Built the front end and map interactions.

Vue · JavaScript · Data visualization

HiveFinder

An Android app for exploring library floors and amenities. Led the team and designed navigation, maps, and amenity details.

Java · Android Studio

Experience

Aimgonna / LLM & Front-end Engineer

Jan – Jun 2025

Built LLM evaluations and improved agent routing accuracy from 70% to 92%. Expanded retrieval with web context and shipped a health profile dashboard.

LangGraph · LangSmith · React

NextIts / Engineering Intern

May – Aug 2023

Developed announcements, customer support, and login features for an insurance bidding platform, working with the team to improve its UI and UX.

JavaScript · MySQL · HTML

Education

Georgia Institute of Technology

B.S. Computer Science · Artificial Intelligence & Media

2022 – 2024