Modern Social Media Graphics Design

I'm looking for a skilled graphic designer to create modern, clean style social media graphics for my Facebook and Instagram profiles. The ideal candidate should have a portfolio that showcases their experience in designing social media graphics, particularly for these two platforms.

Key Requirements:
- Proficiency in graphic design software
- Previous experience creating social media graphics
- Understanding of Facebook and Instagram's design specifications
- Ability to design in a modern, clean style

Please provide samples of your previous work in your proposal.