When I leave home, start a cleaning job

Trigger Alexa Routines and make Text to Speech announcements with Voice Monkey.
Simply enable the Voice Monkey Alexa skill, add a trigger (or monkey) and then use this service to unlock Alexa Routines as an IFTTT Action.
See voicemonkey.io to learn more.
iRobot® Wi-Fi® Connected Robots give you the flexibility of anytime, anywhere control. Applets can trigger your robot to start when you leave the house, pause cleaning when you answer the phone—even fire off a tweet when your job is complete.