PHP-Yii2 experience Developer need for changes in existing website

I am looking for an experienced PHP-Yii2 developer who can help me with both design and functionality changes to my existing website. I am specifically looking to add new features to my site, and prioritize user interface improvements. The ideal candidate should have strong skills and experience in PHP-Yii2 development, as well as proficiency in UI design and site performance optimization. Additionally, I am working on a tight schedule, and require completion of these changes within 1 week. Current website hosted in AWS