There may be many suitable codes, however, for:
DA, DS, DE, they should belong to the code group 251 - 'Software and applications developers and analysts.' The code for 'Programmer' is 251401, which is the most common.
For DM, it should belong to the code group 2431 - 'Sales, marketing, and public relations specialists.'
Please note that we always suggest consulting with your UZT consultant to ensure that the requirements are met.