Youth career Contini was born in
Cherkasy, Ukraine, to an Italian father originally from
Naples and a Ukrainian mother. When Contini was three years old, he moved with his family to
Giugliano in Campania, Italy. He started his football career at the age of five at Atletico Giugliano, a club his father was part of as a youth coach a young age who was a youth coach of Atletico Giugliano; he often ended up playing in teams with older boys as he moved up their youth ranks. In 2007, Napoli played Atletico Giugliano in a friendly and Contini stood out with his performance and impressed then Napoli youth goalkeeping coach Luciano Tarallo. Later that year, he went on trial with Napoli and in 2008 he joined their youth system; in his first season at Napoli, he provided good performances and won the best goalkeeper award in the "Niccolò Galli" youth tournament in
Florence and the "Cairo Montenotte" tournament in
Savona, Italy. However, a serious knee injury (meniscus tear) following a clash with teammate
Gennaro Tutino forced him to miss the remainder of the season. After recovering from his injury, he made a full comeback with the youth team and took part in the renowned "Beppe Viola-Arco di Trento" youth tournament, where Contini played all the games and Napoli reached the final, then lost to
Inter Milan; Contini went on to win the award for best goalkeeper of the tournament. On 3 April 2013, Contini made his debut for the Primavera Under-19 team in a match against
Lanciano, as a substitute, and immediately saved a penalty on his first game. In the 2013–14 season, Contini was also featured in the
UEFA Youth League.
Loan to Virtus Entella On 23 July 2019, he joined newly promoted
Serie B club
Virtus Entella on loan. He started Entella's season opener on 23 August 2019 against
Livorno, making his debut in the second tier of Italian football.
Loans to Crotone and Vicenza On 19 August 2021, he joined newly promoted
Serie B club
Crotone on loan. On 31 January 2022, he moved on loan to
Vicenza.
Loan to Sampdoria On 11 August 2022, Contini moved to
Sampdoria on a season-long loan.
Loan to Reggina On 13 January 2023, Contini joined
Reggina on loan. ==Career statistics==