Full-time = working for the whole of the working week and not only part of it
Part-time = working for part of the working week and not all of it
Flexi time = a system of working in which people work a set number of hours within a fixed period of time, but can vary the time they start or finish work
Temporary = existing or happening for only a short or limited time
Seasonal = existing or happening for only a particular period of time