Younas started his career at Islamabad club POPO FC, having previously played for the team's youth academy.
[1] Upon returning to POPO FC, which had their team playing the 2023–24 PFF National Challenge Cup under the name of Mamsons Builders,[2] he scored goals against WSTC and Pakistan Air Force, failing to advance from the group stages.
[6][7] The next year, Younas was called to represent Pakistan at the youth level in the 2023 SAFF U-19 Championship in their first ever participation in the tournament.
[8] He helped the team pass through the semifinals after a nil goal draw against Bhutan, being the first to score in the penalty shoot-outs.
[10] He made his senior international debut on 21 March 2024 as a starter against Jordan in their 0–3 home defeat at the 2026 World Cup qualification.