From what the advert mentions, plus advice for any interview.
Questions this interviewer is likely to ask, with a tip for each. Practise out loud: it really helps.
Keep it under one minute. Mention your writing experience, any specific niches you know well, and your ability to meet deadlines.
Explain your research process, such as using credible sources, checking facts, and adapting your tone to fit the specific subject matter.
Describe your tools (e.g., Microsoft Word) and habits, like setting personal deadlines before the official due date to allow time for editing.
Emphasize your responsiveness. Give an example of how you quickly reply to emails or messages and incorporate edits without delay.
Pick a real example. Show that you are willing to learn quickly, do the necessary research, and still produce a high-quality piece.
Show enthusiasm for the variety of topics. Mention that you value the flexibility of freelance work and the chance to collaborate with their editorial team.