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

3,960 · past year

JunJulAugSepOctNovDecJanFebMarAprMayJun

Less More

Commits 86.1%Reviews 9.1%Pull requests 4.5%Issues 0.3%

AI coding

on WakaTime

82%AI-driven

AI 1,769

82%

Human 393

18%

</> 2,162 line changes · 36 ai sessions

Tokens

152.2M151.8M in · 356.1K out

Agent cost

$556actual · 7d

Prompts

483.7K chars avg

AI coding

23%of coding time

Agents

Claude

1,769 lines · $556

Coding activity

22h 07m · last 7 days

Languages

TypeScript26.25%Java19.93%SQL16.34%Image (svg)7.74%CSS6.25%Markdown5.28%YAML3.8%JavaScript3.59%Git Config3.01%Astro1.87%D1.76%Bash1.31%HTTP Request1.04%JSON0.59%Java Properties0.45%Vue0.28%HTML0.21%Properties0.17%GitIgnore file0.14%

Editors & Tools

cmux53.59%Claude Code10.06%DataGrip8.54%IntelliJ IDEA7.01%SparkDesktop5.24%Slack2.65%ClickUp2.44%Figma2.39%Warp1.8%MicrosoftExcel1.32%VS Code1.04%iTerm20.95%GitHub0.8%Fork0.76%AntigravityIDE0.68%Postman0.3%Zed0.21%Unknown Editor0.11%ChatGPT0.05%Air0.05%

Operating systems

Mac100%