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Projects

Things I have built

[01]

Yamatomo (Hiking community app)

Apr 2026 — present (team project)

A community app that connects hikers. An iOS app (SwiftUI + Firebase) and a web version (React + Firebase) developed in parallel, with hiking-specific experiences such as per-mountain base camps and AI-generated communities.

SwiftUIReactTypeScriptFirebaseOpenAI API
[02]

AtCoder (Competitive programming)

Apr 2024 — Jan 2026 (ongoing)

Reached brown in Algorithm and blue in Heuristic (max rating 1603). Placed 78th with a yellow performance in a recent AHC. About two years of continuous practice.

PythonC++Algorithms
[03]

Stability of travelling-wave solutions of the Burgers equation (graduation research)

May 2026 — present (solo project / graduation research)

Graduation research estimating the asymptotic stability of travelling-wave (shock-layer) solutions of the viscous Burgers equation, down to the decay rate, via linearization through the Hopf–Cole transform. A public maths site with the thesis, lecture notes, detailed proofs and interactive visualisations, typeset with KaTeX. Paper translations remain protected by client-side encryption.

TypeScriptViteKaTeXmarkdown-it
[04]

MBTI × Generative AI experience app

Jun 2024 — Aug 2024 (3 months)

An interactive web app combining MBTI typing with generative AI. Its story-driven diagnosis mode takes a new approach to drawing out unconscious values.

Ruby on RailsOpenAI APIRedisHeroku
[05]

No-Delay Transit (Open Data Challenge 2025)

Oct 2025 — present (solo project)

A route-search app that predicts future delay risk and gets people who absolutely cannot be late to their destination safely. Submitted to the Public Transportation Open Data Challenge 2025.

Python (FastAPI)Vite + Vanilla JSPostgreSQLOpenAI API