Professional Scrum Developer (PSD) is a professional certification from Scrum.org for members of development teams. It validates a candidate’s ability to deliver high-quality products within the Scrum framework using agile engineering practices and DevOps tools. The certification covers key practices such as team collaboration, code quality assurance, test-driven development, and incremental delivery. AAAdemy provides blueprint-aligned knowledge explanations, study plans, learning strategies, exam tips, and online practice questions to help you prepare in a structured way and strengthen your practical development skills.