Urgent PostgreSQL Query Optimization

I'm urgently in need of a skilled PostgreSQL coder for query optimization. My project requires immediate attention and must be expedited due to its pressing nature.

Key Responsibilities:
- Query optimization in PostgreSQL

Ideal Candidate:
- Has extensive experience in PostgreSQL
- Ability to start immediately
- Has a deep understanding of query optimization
- Prior experience with database performance enhancement

Please specify your prior experience with query optimization in PostgreSQL and your availability to start the project.