Tokyo, Japan

$ whoami

hjosugi GitHub avatar

hjosugi

A software engineer in Japan

I mess around with little tools, prototypes, and half-finished ideas in my spare time. Backend, a bit of frontend, whatever I feel like that week. Nothing too serious — I just like building things and seeing if they work.

$ ls ~/hobby

Things I tinker with

Small things I build on weekends. Half experiment, half unfinished, occasionally useful.

$ cat ~/.stuff-i-poke-at

Stuff I poke at

Backend and systems

Java / Python / TypeScript / REST APIs / Elixir / concurrency / system design

Data and search

PostgreSQL / SQLite / Qdrant / FTS5 / BM25 / embeddings / retrieval

Cloud and operations

containers / CI/CD / observability / AWS / Azure / Google Cloud

$ mix hub.collect

A little radar of what I'm reading

A pile of RSS, Atom, and YouTube feeds I follow, rebuilt by GitHub Actions. You can search it and star the ones you like — everything stays in your browser.

open radar