Modern T-Shirt Design Needed

I'm looking for a talented graphic designer to create modern-style T-shirt designs. The designs will be used for apparel, and possibly expanded to banners, signs, and vector art in the future.

Key Requirements:
- Modern design aesthetic
- Experience with apparel graphic design, particularly T-shirts
- Ability to create eye-catching, marketable designs

Ideal Skills and Experience:
- Strong portfolio with modern T-shirt designs
- Proficiency in graphic design software (e.g., Adobe Illustrator, Photoshop)
- Creativity and attention to detail
- Good communication skills for collaboration

Please provide samples of previous work and estimated timelines. Looking forward to your creative ideas!