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.

About me Read CV

GitHub LinkedIn

allan@toronto — zsh

// latest writing

View all →

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

3,544 · past year

AugSepOctNovDecJanFebMarAprMayJunJulAug

Less More

Commits 83.3%Reviews 10.7%Pull requests 5.6%Issues 0.3%

AI activity

on WakaTime

$2.8Kspend · 7d

Opus

$2,201 · 4,721 lines

Fable

$575 · 1,427 lines

Others

$0 · 12 lines · Haiku, Claude

cost share · 4 models · actual spend

</> line changes 99% AI · 6,160 ai / 74 human

Tokens

626.8M625.7M in · 1.1M out

Prompts

4751.8K chars avg

Sessions

50~10 prompts each

AI pairing

10h 00m23% of coding time

Coding activity

8h 20m · last 7 days

Languages

Java38.68%SQL19.31%YAML11.93%TypeScript11.15%Bash9.99%Markdown3.61%JSON2%Kotlin0.83%Groovy0.72%Vue0.72%Git Config0.67%Astro0.22%Java Properties0.17%

Editors & Tools

Claude Code37.15%Orca23.38%SparkDesktop11.75%Excel5.75%Unknown Editor4.8%Notion2.37%ClickUp1.91%cmux1.9%DataGrip1.72%Notes1.69%Warp1.46%Slack1.45%IntelliJ IDEA1.31%GitHub1.21%VS Code0.87%iTerm20.51%Fork0.5%Perplexity0.19%ChatGPT0.09%

Operating systems

Mac100%