Technical Interview: Tell about a system you previously worked on, one you brought from an identified need to ideation, through implementation, rollout and operation. Give details on any technical tradeoffs, data we used at any/all phases. How did you roadmap the project w/ your team. If you did it all over again, would you do anything differently? Can be any project, as long as not too far distant past. Choose based on what is most relevant to the position.