No. Dev Bootcamp does not require you to quit your job until the on-site immersive program starts. Phase 0 has enough flexibility to be done while having a full or part-time job. There will be at least three sessions a week that have to be scheduled ahead of time, but times are offered during and after traditional working hours to accommodate all schedules. There will also be challenges that need to be submitted every week. So, while there is a lot of flexibility, it will require you to put 20-25 hours of work in every week, so keep this in mind when planning your schedule.