Born in Ivano-Frankivsk Oblast, Romanchuk began his career in the local Prykarpattia Ivano-Frankivsk academy, with his firsts coaches Anatoliy Redushko, until his transfer to Lviv academy in 2016.

In July 2018 he moved to Ukrainian Premier League club Dynamo Kyiv.

In August 2020 he returned to Lviv and played for the reserves squad in the Ukrainian Premier League Reserves, and also in the Ukrainian Premier League, where Romanchuk made his debut for Lviv as a substituted second-half player on 12 September 2020, in a losing away match against Kolos Kovalivka.

[3] On 25 July 2024, Romanchuk signed a three-year contract with Kryvbas Kryvyi Rih.

This biographical article related to a Ukrainian association football defender born in the 1990s is a stub.