Hi there,
Because this is general job for designer, I will just shortly introduce myself and ask few questions and hope that we'll continued discussion in the chat.
We have professional Designer who have 5+ years of experience in Adobe Photoshop, Adobe XD and illustrator. And frameworks such as sketch.
Developed dozens of desktop, web and mobile apps using best practices, Design Patterns.
He possess knowledge of Ui/UX design and front end too like HTML, CSS, Javascript.
Let me know we can start immediately.