Every digital transformation journey is unique. The goals may be similar, but the requirements, features, and choices made along the lead to new systems unlike any other. That’s all well and good—until you need to merge two systems into one, on a short timetable. Atul Verma of the Bank of Montreal recounts how he and his team found themselves handling the technical side of one of the largest acquisitions in Canadian banking history—with only a few months to get it done.