Jasaitis' first team in the
LKL was
Sakalai during the 2000-2001 season. In the fall of 2001 he moved to
Lietuvos rytas, and played there till 2006. In his first season with the club he was averaging 8 points and 3.6 rebounds per game. Jasaitis returned to Lietuvos Rytas on 31 December 2010. In July 2011 he signed a one-year deal with
Türk Telekom B.K. On 5 January 2015 he went back to Lietuvos rytas. On 5 July 2016 he signed with
Victoria Libertas Pesaro. On 28 July 2017 Jasaitis signed with
BC Lietkabelis. On 12 September 2020 he signed with
BC Dzūkija. On 27 May 2023 Jasaitis announced his retirement from professional basketball and was set to become an assistant coach for
BC Mažeikiai in the 2023–24 season. However, the deal was cancelled as Jasaitis decided to continue his playing career with
Orlandina Basket of the Italian third-tier
Serie B. ==Career statistics==