Experience with PostgreSQL is highly valuable in job applications for PostgreSQL Developer roles. Employers often seek candidates with a proven track record of working with PostgreSQL, as it demonstrates a strong understanding of database management, SQL optimization, and data integrity. However, while experience will be valuable, employers also consider candidates' overall skills, problem-solving abilities, and their capacity to adapt and learn new technologies. If you are new to PostgreSQL, showcasing your knowledge, enthusiasm, and any related experience or projects can still be advantageous in the job application.