Moraitis signed his first contract with the senior men's team of
Panionios in 2014. On 20 July 2015,
AEK confirmed that Moraitis would join the club from
Panionios, for a transfer buyout amount fee of €1,200,000. Moraitis signed a six-year contract with AEK. Moraitis made his
Greek League debut with AEK, in a win against
Nea Kifissia, on November 21, 2015. He scored his first points in the Greek League, in a game against
Rethymno Cretan Kings, on March 11, 2016, but his team lost the game, 70–69. After the departure of
Taurean Green from AEK, due to an episode he had with the team's
head coach,
Jure Zdovc, during a 2016 Greek League playoffs game against
Olympiacos, Moraitis gained some more playing time. With AEK, he won the
Greek Cup title,
in 2018, and the
FIBA Champions League title as well. On July 27, 2018, Moraitis extended his contract with AEK for an extra year, through the 2021–22 season. During the preseason of the 2018–19 season, Moraitis played with AEK at the "Neophytos Chandriotis" tournament. AEK won the tournament, and Moraitis was named the
MVP, averaging 11.6 points, 4 assists, and 2.3 rebounds per game. On August 17, 2019, Moraitis was loaned to
Kolossos Rodou of the
Greek Basket League for the 2019–2020 season. On July 23, 2021, Moraitis signed a two-year deal with
Peristeri. During the 2021-22 campaign, in a total of 21 league games, he averaged 9.3 points, 3.3 rebounds, 4.5 assists and 1.2 steals, playing around 23 minutes per contest. On July 1, 2022, Moraitis signed a new two-year contract with the club through 2024, playing under head coach
Vassilis Spanoulis. In 32 league games, he averaged 7.2 points, 2.4 rebounds and 2.5 assists, playing around 18 minutes per contest. On June 21, 2023, Moraitis amicably parted ways with Peristeri. On June 23, 2023, Moraitis signed a three-year contract with
Greek Basket League and
EuroLeague powerhouse
Panathinaikos. On June 17, 2025, Moraitis signed a one-year contract with
Iraklis of the
Greek Basketball League, on loan from
Panathinaikos. == National team career ==