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

3,611 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

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

AI activity

on WakaTime

$4.6Kspend · 7d

Opus

$3,965 · 17,095 lines

Fable

$590 · 7,588 lines

Others

$74 · 1,575 lines · Sonnet, GPT, Claude-Code, Gemini, Claude

cost share · 7 models · actual spend

</> line changes97% AI · 26,258 ai / 717 human

Tokens

714.6M712M in · 2.6M out

Prompts

4896.2K chars avg

Sessions

90~5 prompts each

AI pairing

24h 11m38.1% of coding time

Coding activity

20h 12m · last 7 days

Languages

Markdown26.93%Bash22.32%Java11.73%YAML10.23%SQL5.13%Astro4.61%Python4.38%Shell3.99%JSON3.76%TypeScript2.22%Git Config1.47%JavaScript1.31%XML0.78%Git0.33%Properties0.26%Java Properties0.23%HTML0.13%CSS0.1%HTTP0.07%D0.03%

Editors & Tools

Claude Code46.49%Orca21.98%SparkDesktop6.08%Unknown Editor4.88%DataGrip3.7%Slack2.61%GitHub2.5%Excel1.99%ClickUp1.86%VS Code1.75%Warp1.16%Notion1.11%Fork0.9%Paseo0.56%IntelliJ IDEA0.56%ChatGPT0.41%Notes0.35%Codex Vscode0.33%cmux0.32%iTerm20.22%Zed0.08%Air0.07%WebStorm0.06%Copilot CLI0.01%

Operating systems

Mac100%