Qolizadeh, 27, spent four years in the Belgian Jupiler Pro League, where he scored 23 goals while registering 26 assists in 143 appearances for RSC Charleroi – either side of a loan spell at Turkish club Kasimpasa.
“I’m thrilled to be here and will fight for the team’s success,” the Iranian winger told the Polish club’s official website after completing his medical on Tuesday.
“He is a top-notch player with a wealth of experience under his belt,” Tomasz Rzasa, the sporting director at Lech Poznan, said of the club’s new signing.
“He has remarkable skills and is capable of dribbling past the opposition in small spaces. He can also move behind the defenders and find his teammates with pinpoint passes,” Rzasa added.
An ex-Saipa player in the Iranian top-flight, Qolizadeh has also bagged six goals in 30 international caps and was part of Carlos Queiroz’s team during last year’s World Cup in Qatar.
Eight-time winner Lech Poznan finished third in the Polish league last season – 14 points behind champion Raków Częstochowa and five behind second-place Legia Warsaw – to secure a place in next season’s UEFA Europa Conference League.