Your question is Explaining Your Most Impactful Project. 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).
Tell me about one software project you're most proud of. Walk me through the technical problem, the specific skills you used, the trade-offs you made, and the impact the project had on the team, users, or business.