Career
Janashia started his career at hometown club Torpedo Kutaisi, he then moved to Samtredia in 1993, where he met name sake Zaza Janashia in next season. Janashia moved to Russian (North Caucasus) side Zhemchuzhina Sochi in 1996. He then played for Chernomorets Novorossiysk but failed to play regularly.
Janashia was signed for Dinamo Batumi in January 2002, after failed to play regular football at Lokomotiv Tbilisi.
He rejoined hometown club Torpedo Kutaisi at the start of 2002-2003 season but was fired again in September. He then signed by Samgurali Tskhaltubo of Pirveli Liga, before moved to Kazakhstani side Atyrau.
International career
Janashia made his Georgia debut on 2 September 1992 against Lithuania. In total, Janashia capped 8 time for Georgia, 6 in friendlies, one in Union of European Football Associations Euro 1996 qualifying and one in Union of European Football Associations Euro 2000 qualifying.
International goals
Janashia was appointed as coach of Torpedo Kutaisi in May 2007.
He is the brother of Kakhaber Janashia.