The Modular route is a perfectly good path to follow with the ultimate aim of joining an airline.
In common with the Integrated route, you must come up with the goods, and retain your technical knowledge for the interview. It goes without saying that you must be a TEAM PLAYER, and be capable of passing the "beer test".
Post the light ac flying for licence issue, the MCC course provider is critical. EASA have recently published the new enhanced APS/MCC style of course. Ryanair look upon it in a favourable light I am told.
TITAN recently took on half a dozen or so brand new FOs, and they were all from the Modular route.