Decidi for software engineers
Get the staff-engineer code review before you open the PR.
Have the architecture, the threat model and the nasty edge cases reviewed by independent models — so the code you ship is the code you’d defend in a post-incident review.
- Get the code review a staff engineer would give — the design smell, the leaky abstraction, the thing that won’t scale.
- Run a threat model on the change: where does an attacker get in, what data leaks, what’s the injection path?
- Surface the edge cases and race conditions that only show up in production at 2am.
- Pressure-test the architecture before it’s load-bearing — coupling, blast radius, the migration you can’t undo.
- Catch the confident-but-wrong suggestion a single model gives, because the others call it out.
- Stress-test scalability and failure modes so "works on my machine" isn’t the whole test plan.
- The architecture — coupling, scalability, blast radius
- The threat model — injection, auth, data exposure
- Edge cases, race conditions and concurrency
- Error handling and failure modes
- The PR — the review a staff engineer would write
- Performance under real load, not the happy path
Say a client site goes live Thursday: a membership platform with payments, a member area, and a contact-import feature you built in the final week. It works on your machine, the client has seen the happy path, and nobody has tried to break it.
The Security Engineer attacks the newest code first — a last-week contact importer is where injection, unvalidated file parsing and permission bypass usually live — while the Software Architect reviews the seams between payments, sessions and the member area for the coupling that makes one failure cascade. The Reliability Engineer asks the Thursday-at-6pm questions: what happens under real traffic, what gets logged, who finds out when payments fail silently. The Data Skeptic checks the assumptions in your own testing (“works on my machine” is a sample size of one), and the Devil’s Advocate plays the user who does everything wrong in the wrong order. The deliverable is a severity-ranked punch list — what blocks Thursday, what can follow Friday.
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