Operations built a commission calculator with a rounding bug

“We'll clean it up after the audit.”— Sofia, Operations

Reason:

Allegedly because the process requires signatures from 2 people. With a settings page that does nothing.

Built by:

Sofia, an intern

Build time:

1 hours 54 minutes

Built with:

plain HTML and 1,900 lines of jQuery

Database:

a database on Ravi's laptop

Authentication:

the password is the company name backwards

Deployment:

deployed from Katrin's laptop

Responsible:

an external agency with no contract on file

Documentation:

none whatsoever

Security situation:

the last security review happened before the application existed

Future disaster:

It will silently skip 3% of records.

Age: 1.9 years · originally expected to last 14 days · 1 owner so far · last meaningful change 210 days ago · original builder left 38 days ago

Rated common mostly because: alive 48x longer than intended, nobody owns it, the builder has left.