VIDEO / PROMOTIONAL animation of a dating portal 30-60 seconds.

Good Morning, We are looking for a person with experience in creating complete videos, enhanced with animations. The film / video / animation would be a promotional video of the portal. - duration: 30-60 seconds - no video footage - are to be shown the functionality of the portal (recorded screen) We have some outline in our heads of what it would look like. However, we are looking for a specialist with experience who is better versed than us in the art of creating promotional videos and will share his knowledge in this area and propose interesting solutions. The promotional video is to present enumerated one by one the functionalities that the portal has prepared for users. It can be enriched with some video on which, for example, the code is written? or any other activity related to the creation of the portal. We are open to suggestions. If you have any questions, please send us a message and attach your previous works.