Most importantly, don't forget to have Fika's in between your work. Join (or invite) your colleagues for a coffee/Fika while you are at work, and discuss the weather!
To know more about Swedish customs and culture
Swedish traditions - old and new | sweden.se
For more information about Cultural Etiquette
http://www.ediplomat.com/np/cultural_etiquette/ce_se.htm#:~:text=Swedes wear fashionable%2C but often,dresses%2C suits%2C and pantsuits.