You need to work in office, not facing customers still need to dress professionally
Professional work attire( Business formal)
I prefer casual attire.
There are typically four types of corporate dress codes: business formal, business professional, business casual, and casual. Here are some general tips for both men and women for each category. Stick close to the basics and ensure that you're always dressed appropriately.
It is not required to wear a tie but jeans are no allowed unless it is Friday