Alfian Yusuf Abdullah

selected-work/

Alfian Yusuf Abdullah

Get in touchSelected work

Developer building small experiments and side projects.

Experiments
04
Shipped
02
In progress
01
Abandoned
01

selected-work/

04 total

Edge latency atlasA world map that measures real round-trip latency from your browser to 30 Cloudflare locations, then draws the results as a contour field.2026ShippedSQLite on the edgeWorking out where the boundary between D1 and a Durable Object actually belongs, using a shared expense ledger as the excuse.2026In progressA single-file CSS engine that renders to canvas and falls over on deeply nested selectorsA toy CSS parser and layout engine with no dependencies. It worked until it met a selector four levels deep, and I stopped there.2025AbandonedTerminal heatmapReads shell history and prints a calendar heatmap of which commands you actually run. Small, finished, and slightly uncomfortable to look at.2024Shipped

experience/

04 roles

  • Sep 2025 – Present1 yr 2 mos

    Software Engineer

    Dicoding Indonesia · Full-time · Bandung, Indonesia

    Placeholder entry. Replace with what you actually owned, the constraints you worked under, and what changed as a result.

  • Aug 2022 – Sep 20253 yrs 1 mo

    Head of Reviewer

    Dicoding Indonesia · Full-time · Bandung, Indonesia

  • May 2018 – Mar 20223 yrs 10 mos

    Academy Code Reviewer

    Dicoding Indonesia · Contract · Bandung, Indonesia

  • Nov 2013 – May 20184 yrs 6 mos

    Machine Operator & Maintainer

    JagoPrint · Contract · Gorontalo, Indonesia

    Bermain dengan tinta 'beracun' setiap harinya untuk mencetak media promosi seperti poster, baliho, dan media printing lainnya

about/

I build small things to understand how they work. Most of these start as a question I cannot answer without writing code, and end as something half-finished that still taught me what I wanted to know. I write them up honestly, including the ones that did not work out.

contact/

Open to interesting problems and the people building them.

with@madebyalfian.spaceGitHubLinkedIn