Wataru Naotsuka
Programming Patisserie, and Paintings.
Active
Wataru Naotsuka
直塚 亘 / なおつか わたる
UTokyo EEIC '26. I build software around LLMs, visualization, and UI, exploring programming, patisserie, and paintings as themes to understand and create through.
- Class
- UTokyo EEIC '26
- Focus
- LLM / Visualization / Systems
- Handle
- WatNeru
- Base
- Tokyo / Kanagawa
Award highlights
Apple Swift Student Challenge 2026Winner
Semantic Tower: Embeddings Visualization Game
Linked Open Data Challenge 2025Student Award & Sockets Award
StrokeLOD: Linked Open Data
MFG GPU Programming Contest 2025Grand Prize
WaterColor Filter: Physics-based Kuwahara Filter
U-22 Programming Contest 2025METI Award & Sakura Internet Award
LLMView · LLM Visualization
01 / Latest
Latest
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2025 · Award winner
LLMView
- React
- Rust
- Python
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I Became a Swift Student Challenge 2026 Winner
I was selected as a Winner in Apple's Swift Student Challenge 2026. This article summarizes the submitted app, what I focused on while developing it, how I approached Apple's evaluation criteria, and advice for future applicants. -
Making an SVG Icon with TeX and TikZ
I could not decide what favicon to use for this site, then realized I could make one with TikZ, a tool I already use often. This is a memo on the process of drawing the icon and exporting it as SVG. -
![[Wittamer] Rouge Delice](/images/cake/articles/260212-wittamer-rougedelille/rouge-de-lille-hero.webp)
[Wittamer] Rouge Delice
A ruby-colored Wittamer sweet with rouge chocolate, strawberry, and beet. -
![[Wittamer] Peche Minion](/images/cake/articles/260212-wittamer-pecheminion/peche-minion-hero.webp)
[Wittamer] Peche Minion
A winter-only Wittamer cake with peach jelly and fromage mousse. -
![[Wittamer] Cool Chocolat](/images/cake/articles/260212-wittamer-coolchocolat/cool-chocolat-hero.webp)
[Wittamer] Cool Chocolat
A Valentine-only entremets from Wittamer, with ganache wrapped in chocolate mousse. -
I Won the Grand Prize at the MFG GPU Programming Contest 2025
MFG Challenge is a contest for creating image filters with a GPU programming language. I had touched GPU programming before, but starting from a new language was still challenging. This article focuses on the filter I made and the ideas behind it. -
Encrypting Files with age
I wanted to keep recovery codes and other sensitive notes on my computer without leaving them as plain text. This is a short beginner-friendly note on encrypting files from the command line with age.
02 / About Me
Profile
Software Engineer · UTokyo EEIC '26
Wataru Naotsuka
UTokyo EEIC '26. I build software around LLMs, visualization, and UI, exploring programming, patisserie, and paintings as themes to understand and create through.