Modern Minimalistic Certificate Design

I'm looking for a skilled designer to create a modern and minimalistic Course Participation Certificate.

Requirements:
- A4 size (210 x 297 mm)
- Incorporate my logo and branding guidelines

Ideal Skills and Experience:
- Proficiency in graphic design software
- Experience in certificate design
- Strong understanding of modern minimalistic design principles
- Ability to effectively integrate logos and branding

Please share a portfolio showcasing relevant work.