PrimaDeli, which has 40 outlets across the island nation, apologised yesterday and said it had dismissed the employee.
Authorities in Singapore have routinely clamped down on those who stir anti-foreign and racial hatred in the predominantly ethnic Chinese city-state.
Singapore's population is 74.3 per cent Chinese, 13.3 per cent Malay and 9.1 per cent Indian, according to official statistics.
Reaction to a Facebook posting by the job seeker detailing the incident sparked an uproar, with reaction continuing to stream in on Saturday.