His main role on the pitch is Forward.

His latest transfer saw him join Vikingur Olafsvik from Stjarnan Gardabaer U19 via Free on 2026-02-05.

During the Iceland Besta-deild karla 2025 campaign, Jón Björgvin Jónsson made 1 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.