He studied classical bass at the Academy of Music inWrocław (1997-2003) and jazz (2003-2007). Since 2004 he is a teacher at the Music Academy in Wrocław (Jazz Department).
Prizes received so far: Honourable mention at the Jazz nad Odrą, Wrocław 1999, 3rd prize at the Jazz Juniors Festival, Kraków 2001, 2nd prize at the Jazz & Pop Festiwal, Jelenia Góra 2001, Grand Prix of International Big Band Festival in Nowy Tomysl in 2002 & 2003, 2nd prize and individual prize for best instrumentalist at the Jazz Juniors Festival, Kraków 2002, Grand Prix of Rura Jazz Festival for Acoustic Jazz Quartet, Wrocław 2005
Jakub Olejnik has been a teacher at International Summer Jazz Workshops in Pułtusk, Puławy and Nysa. Currently Jakub Olejnik is sideman in many musical and theatrical projects. He has performed at Jazz festivals in Poland, Germany, Chech, Slovakia, Netherlands, Bulgaria and France. Performed with Piotr Wojtasik, Piotr Baron, Nicolas Simion, Grzegorz Nagórski, Dante Luciani, Jacek Niedziela, The Sound Office, Wojciech Niedziela, Vadim Brodski to name a few.