Agile methodology experience is essential for most tech teams and many business environments that value iterative development.
No. Practical experience matters more than certification. However, PSM, CSM, or SAFe certs can help if you're pursuing Agile-focused roles.
Scrum is most common. Mention the specific framework the company uses if known. Show flexibility: "Experienced with Scrum and Kanban, adapting to team needs."