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, 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

3,606 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

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Commits 83.4%Reviews 10.6%Pull requests 5.8%Issues 0.3%

AI activity

on WakaTime

$4.9Kspend · 7d

Opus

$4,226 · 16,002 lines

Fable

$643 · 8,192 lines

Others

$53 · 1,492 lines · Sonnet, GPT, Claude-Code, Gemini, Claude

cost share · 7 models · actual spend

</> line changes 97% AI · 25,686 ai / 700 human

Tokens

814.6M811.7M in · 2.9M out

Prompts

5535.6K chars avg

Sessions

85~7 prompts each

AI pairing

24h 34m35.2% of coding time

Coding activity

20h 49m · last 7 days

Languages

Markdown32.48%Bash21.87%YAML9.71%Java8.98%SQL4.75%Astro4.47%Python4.26%Shell3.74%JSON2.63%TypeScript2.18%Git Config1.42%JavaScript1.25%XML0.62%D0.42%Git0.31%Properties0.24%Java Properties0.24%Image (svg)0.14%HTML0.14%CSS0.07%HTTP0.07%

Editors & Tools

Claude Code41.3%Orca33.21%SparkDesktop4.72%Unknown Editor4.41%DataGrip3.25%GitHub2.25%Slack2.13%Excel1.72%VS Code1.49%ClickUp0.96%Fork0.83%Notion0.81%Paseo0.52%Warp0.45%Notes0.38%IntelliJ IDEA0.32%ChatGPT0.32%cmux0.3%iTerm20.22%Codex Vscode0.1%Zed0.08%Word0.07%Air0.07%WebStorm0.05%Copilot CLI0.01%

Operating systems

Mac100%