Not only do the elements not respect their visual boundaries, the whole layout is cluttered, the typography a mess, the color palette is rightout ugly. Shudder.
This is very much a case where less would be so much more. I really do hope the design is not an indicator of what I should expect when actually looking at your codebase.
In today's world location matters less and less. I wrote this article explaining what we are doing and why: https://medium.com/@taigaio/how-to-launch-an-american-startu...
I created a test account on taiga.io. It allowed me to use an unsafe, short password.
Looking at the UX/UI I can only reiterate; it is highly important that you work on the design (details matter) . If you can't argue why a design element is presently on the screen, remove it. Only keep what is needed.
IMHO https://waffle.io is a great example what is possible. Same as trello. Maybe it makes sense to discard the current UI desgin completely, and work with something bootstrapped first.
I also noticed on your company website that you are not making any use of font kerning https://en.wikipedia.org/wiki/Kerning .