2024 · Live · Featured
Lumen CLI
A terminal-first deploy tool, written in Go. Runs ~40 personal services on a $5 VPS with one command. Zero-config, single binary, and built around the way I actually ship.
3.2k ★ · v1.4.0
Available for select work · Q2 2026Things I've built.
Things I've built.
Things I'm building.
Independent developer working on small, useful tools and longer-running side projects. A quiet record of the work — what shipped, what didn't, and what comes next.
Elvion@elvion · he/him
RoleIndependent Engineer
StackGo · TypeScript · Postgres
BasedHà Nội, VN · UTC+7
StatusOpen to work
Shipped42 projects
Writing128 essays
Open source12 repos · 3.2k ★
Years building8 in industry
Coffee∞
01 —Selected work
A small, opinionated cut. Each one taught me something I still use.
2024 · Live
Helio Dashboard
Real-time observability for indie projects. Logs, metrics, and errors on one quiet screen — no dashboards-of-dashboards.
1.2k MAU
2025 · Work in progress
Elvion Tools
A growing set of small, daily-use developer tools — JSON, regex, base64, JWT, color. Free, local-first, no telemetry.
12 tools · 12.4k runs/mo
2023 · Archived
Notebook OS
An experiment in spatial note-taking. Killed after 6 months of solo dev — kept the lessons, wrote them up here.
Read post-mortem →
2022 · Live
kit.css
A 4kb CSS reset and component library. Used in every personal project I've shipped since 2022.
800 ★ · 4kb
02 —Where I've worked
Eight years across consumer, infra, and indie. Lately: working for myself.
2024 — Now
Independent · FounderElvion·Tools, blog, and consulting work
Remote2022 — 2024
Senior EngineerModal·Serverless infra for ML workloads
Remote2020 — 2022
EngineerHelio·Observability platform · founding eng
Hà Nội2018 — 2020
Software EngineerBravado·B2B sales platform
Hà NộiLet's talkGot a problem
Got a problem
worth solving?
The best way to reach me is a short email. I read everything and reply within a few days. No pitch decks needed.