Hi, how are you? I am Manuela, the Architect and I can help you providing a modern interior design for your house. This is what I have been doing and have in total 5 years of experience.
Just had a look at your attachments, and I can see you have a big and nice space to decorate! I also saw your mark-ups about the bedrooms for the boy, 2 girls, house made and office. Thank you for providing it.
As a first step, I would ask you the type of materials and colours you like the most. As an idea for reference, I can send you a few nice projects and you can show me what is your style. It is important to look for a professional when it comes to choosing the lights & colours for your house, because depending on what it is it can impact on your lifestyle (for instance, a wrong colour can impact positively or negatively on your productivity, mood and mental health).
I am excited about this project already and will be happy to help!
Thank you, enjoy your day.
You can have a look and know more about me and my work here: https://www.freelancer.com/u/Camargomanu