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

3,494 · past year

AugSepOctNovDecJanFebMarAprMayJunJul

Less More

Commits 83.3%Reviews 10.8%Pull requests 5.6%Issues 0.3%

AI activity

on WakaTime

$2.1Kspend · 7d

Fable

$1,076 · 4,202 lines

Opus

$855 · 1,225 lines

Sonnet

$151

Others

$3 · 74 lines · GPT, Claude

cost share · 5 models · actual spend

</> line changes 93% AI · 5,501 ai / 420 human

Tokens

549.9M548.8M in · 1.2M out

Prompts

365868 chars avg

Sessions

50~7 prompts each

AI pairing

12h 08m25.3% of coding time

Coding activity

8h 27m · last 7 days

Languages

Java36.98%SQL14.33%JavaScript10.54%TypeScript8.56%Markdown8.44%Vue6.35%HTML6%TSV3.09%Python2.04%Bash1.4%Astro1.05%Diff0.64%Java Properties0.41%Text0.12%YAML0.06%

Editors & Tools

Claude Code24.78%Orca22.68%SparkDesktop16.79%cmux12.54%Warp3.41%DataGrip3.05%Excel2.62%Slack2.55%GitHub2.35%VS Code1.89%ClickUp1.72%Fork1.36%Unknown Editor1.19%ChatGPT1%iTerm20.92%IntelliJ IDEA0.51%Zed0.47%Notion0.1%Notes0.06%

Operating systems

Mac100%