Nobody knows what you're doing.
Nobody knows or even care about what's going on.
Nobody will help your work.
All they care is just your work is done well, your Jira is closed, and no bad email review from clients.
Even your own team will also complain of your work for a bit of flaw, even if your work is overloaded.
There is no salary review even if your initial salary is low. (Everybody will just say "it's your fault for asking low at initial", and it's expected)
I had some trouble with some of my Reimbursement, but not all.
High workload and stress.
You might have to overtime everyday during development phase. (Not always, but often)
It's a bad place for you who had a low stress level.