What does the term 'professional developer' mean to you?

A professional developer is a specialist who not only knows how to write code but also understands the principles of developing high-quality, maintainable, and scalable software.

Key characteristics of a professional developer:

• Responsibility: meeting deadlines, code quality, and fulfilling requirements.
• Continuous learning: keeping up with new technologies and improving skills.
• Teamwork: effectively collaborating with colleagues, participating in discussions and code reviews.
• Understanding architecture: knowing how to build systems considering performance, security, and scalability.
• Clean code: writing understandable, readable, and well-documented code.
• Testing: using automated tests to ensure reliability.

Thus, a professional developer is not just someone who can program, but someone who approaches the creation of software systematically and responsibly.