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

3,700 · past year

JulAugSepOctNovDecJanFebMarAprMayJun

Less More

Commits 84.9%Reviews 9.8%Pull requests 5%Issues 0.3%

AI coding

on WakaTime

28%AI-driven

AI 486

28%

Human 1,264

72%

</> 1,750 line changes · 14 ai sessions

Tokens

47.7M47.5M in · 259.1K out

Agent cost

$164actual · 7d

Prompts

1395.2K chars avg

AI coding

20%of coding time

Agents

Claude

462 lines · $121

Opus

24 lines · $43

Sonnet

0 lines · $0

Coding activity

13h 45m · last 7 days

Languages

YAML23.84%Java18.5%SQL17.64%TypeScript10.75%CSS7.7%Vue4.5%JavaScript4.01%Astro3.49%Image (svg)2.83%GitIgnore file2.49%HTML1.5%Markdown1.35%Bash0.69%Batchfile0.27%Makefile0.15%Properties0.07%XML0.07%Java Properties0.07%HTTP Request0.05%

Editors & Tools

cmux35.66%IntelliJ IDEA19.29%Claude Code11.94%DataGrip9.39%SparkDesktop6.85%VS Code4.23%ClickUp3.91%Slack1.93%iTerm21.9%GitHub1.37%Fork0.86%Figma0.71%Unknown Editor0.59%WebStorm0.33%Notion0.3%Excel0.24%Antigravity IDE0.22%Zed0.14%Warp0.08%ChatGPT0.03%Perplexity0.02%Postman0.02%

Operating systems

Mac100%