In order to work in Sweden, you must have a work permit.
Read more about at Swedish Migration Agency on how to apply for a work permit or for a residence permit as a self-employed person or a visiting researcher.
More information about working or running a business in Sweden to be found at workinginsweden.se.
The Embassy of Sweden in Baghdad does not accept visa applications and it does it handle migration issues such as residence & work permit applications, renewal of residence permits or interviews.
You may contact another Swedish embassy in the region.
The Embassy of Sweden in Amman
Tel: +962-6-590 1300
The Embassy of Sweden in Tehran
Tel: +98-21-2371 2200, +98-21-2371 2200