Shopify Store Optimization Expert Needed

I'm seeking an expert to fully optimize my new Shopify store, which currently has 400 products. The focus areas for optimization include:

SEO Optimization:
- Keyword research and optimization
- Meta tags and descriptions
- Content creation and optimization

Speed Optimization:
- Image compression and optimization
- Code minification
- Reducing server response time

User Experience Improvement

Ideal Skills and Experience:
- Proven experience with Shopify store optimization
- Strong SEO knowledge and implementation skills
- Expertise in speed optimization techniques
- Excellent understanding of user experience design

Please provide examples of previous work and a timeline for completion.