To me the biggest red flag there is the php. After developing with typed languages, a dynamic language is honestly a pain. Cron is easy to replace if needed.
Like I would feel much better if it was python, golang, java or C#. Javascript I feel like is the new PHP. Another issue is what I call the COBOL syndrome, where your career future isn't as great. You can still be a shop with a relatively good career future tech set that is old, but it has to be the 'right' old things unfortunately.
Do you at least use something like Hack to add types?
Like I would feel much better if it was python, golang, java or C#. Javascript I feel like is the new PHP. Another issue is what I call the COBOL syndrome, where your career future isn't as great. You can still be a shop with a relatively good career future tech set that is old, but it has to be the 'right' old things unfortunately.
Do you at least use something like Hack to add types?