Your question is Micro Frontends System Design. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Explain how you would redesign a high-traffic Remitly web application to use a micro frontend architecture, including the pros and cons, the approach step by step through deployment, and how you would test it.