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

3,565 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

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

AI activity

on WakaTime

$3.3Kspend · 7d

Opus

$2,723 · 8,752 lines

Fable

$564 · 8,083 lines

Others

$6 · 399 lines · Sonnet, Claude-Code, Claude

cost share · 5 models · actual spend

</> line changes 97% AI · 17,234 ai / 541 human

Tokens

488.7M486.8M in · 1.9M out

Prompts

6003K chars avg

Sessions

63~10 prompts each

AI pairing

16h 59m29.5% of coding time

Coding activity

13h 10m · last 7 days

Languages

Markdown35.12%Bash13.05%Java10.34%YAML9.75%Astro7.09%Python6.73%SQL4.74%JSON3.7%TypeScript3.43%Shell2.12%JavaScript1.04%Git Config0.81%XML0.77%D0.63%Image (svg)0.23%HTML0.18%CSS0.14%HTTP0.14%

Editors & Tools

Claude Code46.92%Orca31.73%SparkDesktop5.52%DataGrip2.72%GitHub2.44%Excel1.75%Slack1.54%VS Code1.35%Notion1.11%Notes0.9%Unknown Editor0.86%Fork0.72%ClickUp0.65%Paseo0.63%Warp0.54%cmux0.34%Word0.09%Air0.08%WebStorm0.06%iTerm20.05%Zed0.01%

Operating systems

Mac100%