What you decide to place in your portfolio for an interior design interview depends a lot on your education, background, and skills. However, a hiring interior designer is looking for a few main things. Make sure you show the best work that you can, that proves you have a good level of expertise as an entry-level interior designer. A hiring interior designer will want to see a complete project from the programming phase to completed construction documents. Include floor plans, elevations, renderings, AutoCad drawings, and lighting and electrical plans in your portfolio for an interior design interview.