Allan Im · Software engineer · Toronto

Bringing your ideas to life through software.

Twenty years building systems that scale, mostly in Java. The tools are changing fast — but getting the domain model right still matters more than any of them.

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// latest writing

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Jun 7, 2026 Don't outsource the thinking Developers are starting to refuse to work without AI. The tools were never the problem — handing over the part that thinks is. aiengineeringcraft
May 30, 2026 Modeling the domain first Why I reach for the domain model before the framework, the database, or the API. engineeringdomain modeling

// what I'm working on

live from GitHub & WakaTime

GitHub contributions

3,556 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

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Commits 83.3%Reviews 10.7%Pull requests 5.7%Issues 0.3%

AI activity

on WakaTime

$2.6Kspend · 7d

Opus

$2,373 · 5,707 lines

Fable

$209 · 1,206 lines

Claude

$0 · 108 lines

cost share · 3 models · actual spend

</> line changes 93% AI · 7,021 ai / 520 human

Tokens

398.5M397.4M in · 1.1M out

Prompts

5221.1K chars avg

Sessions

39~13 prompts each

AI pairing

10h 30m20.2% of coding time

Coding activity

7h 30m · last 7 days

Languages

Markdown43.3%Java14.34%Python11.77%Bash10.49%TypeScript6.63%Astro3.64%YAML3.42%Git Config2.07%SQL1.28%D1.14%Vue0.64%Image (svg)0.36%HTML0.36%JSON0.21%HTTP0.21%JavaScript0.14%

Editors & Tools

Claude Code46.81%Orca30.05%SparkDesktop6.45%Excel2.95%Unknown Editor2.75%GitHub2.58%Warp1.64%Notion1.45%Notes1.06%Slack0.96%DataGrip0.88%Paseo0.7%VS Code0.65%ClickUp0.41%Fork0.19%cmux0.14%Word0.1%Air0.09%WebStorm0.07%iTerm20.06%Zed0.01%

Operating systems

Mac100%