Career
Niklitsiotis started his football steps from Olympiacos Academy and was promoted to Olympiacos Reserve squad (U-21) the season 2007–2008. He gained his first professional cap against Larissa, on 12 April 2009. He played for 52 minutes before Luciano Galletti replaced him.
He was part of the youth team that went to Dubai to compete for the first Emirates Airlines football 7"s exhibition event.
He scored a host of goals and lead Olympiakos to the professional cup and was named player of the tournament.