Manual Website Speed Optimization

I need a skilled developer to optimize my website speed. While plugins can be used, the focus should be on manual optimization for better, long-lasting results.

Key tasks include:
- Image compression
- Caching setup
- Code minification
- Database optimization
- Implementing lazy loading
- Reducing server response time
- Removing unnecessary scripts/styles

Ideal skills and experience:
- Expertise in front-end and server-level optimization
- Strong knowledge of web performance techniques
- Experience with various hosting environments
- Proficient in handling code and databases

Please provide a detailed approach and estimated timeline.