Social Media Posters Design

I'm looking for a part-time graphic designer to create vibrant and eye-catching social media posters for me. These posters will be used across all major platforms (Instagram, Facebook, Twitter).

Requirements:
- Design bright and colorful posters
- Adaptable to various social media formats
- Creativity and originality

Ideal Skills and Experience:
- Proven graphic design experience
- Proficiency in design software (e.g., Adobe Photoshop, Illustrator)
- Strong portfolio showcasing similar work
- Ability to meet deadlines and communicate effectively

Please provide samples of previous work.