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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allan@toronto — zsh

// latest writing

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Jun 7, 2026Don't outsource the thinkingDevelopers are starting to refuse to work without AI. The tools were never the problem — handing over the part that thinks is.aiengineeringcraft
May 30, 2026Modeling the domain firstWhy 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

3,645 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

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Commits 83.2%Reviews 10.5%Pull requests 5.9%Issues 0.3%

AI activity

on WakaTime

$4.8Kspend · 7d

Opus

$4,116 · 15,546 lines

Fable

$606 · 5,931 lines

Others

$70 · 1,184 lines · Sonnet, GPT, Claude-Code, Gemini, Claude

cost share · 7 models · actual spend

</> line changes99% AI · 22,661 ai / 207 human

Tokens

708.3M706.1M in · 2.2M out

Prompts

3554.4K chars avg

Sessions

62~6 prompts each

AI pairing

19h 02m27.5% of coding time

Coding activity

15h 36m · last 7 days

Languages

Markdown30.28%Bash25.63%Java10.72%YAML10.53%Shell5.15%SQL4.83%JSON3.83%JavaScript3.15%Git Config2.69%Svelte1.23%XML0.5%Git0.41%Properties0.32%Java Properties0.32%TypeScript0.23%Text0.14%D0.05%

Editors & Tools

Claude Code45.01%Orca20.59%SparkDesktop7.47%Unknown Editor4.95%GitHub4.36%ClickUp3.52%Excel3.17%DataGrip2.62%Slack1.64%iTerm21.44%Warp1.19%Notion0.99%VS Code0.97%IntelliJ IDEA0.54%ChatGPT0.49%Fork0.44%Codex Vscode0.36%Zed0.19%Notes0.02%cmux0.01%Copilot CLI0.01%OMP0.01%Air0.01%

Operating systems

Mac100%