Design of open web wood floor joist

Hello! My project is the design of an open web wood floor joist. I'm looking for a professional to create the perfect design for this project. The material I am using to construct the floor joist is wood. The size requirements will be customized to meet the needs of the project. The design software required is AutoCAD and the freelancer must have past experience operating AutoCAD. Overall, I'm looking for a licensed engineer along with being a reliable designer who is well-versed in this type of work to bring my project to life.