Product Promotion Material Design

I'm looking for a skilled graphic designer to create flyers, brochures, and posters to promote a product or service. The designs will need to be created in both print-ready and digital formats.

Requirements:
- Artwork should be visually appealing and professional
- Must convey the promotional message effectively
- Designs should be adaptable for both print and online sharing

Ideal Skills:
- Proficiency in graphic design software (e.g., Adobe Illustrator, Photoshop)
- Experience in creating promotional materials
- Strong understanding of branding and marketing principles

Please include a portfolio showcasing relevant work.