At the 2017 World Junior Curling Championships, his team improved to a 6-3 round robin record, which put them in a tiebreaker game against Canada's Tyler Tardi rink for the final playoff spot.

At the 2018 World Junior Curling Championships, Ramsfjell would skip a new team which consisted of Kristian Foss, Michael Mellemseter, Andreas Hårstad and Jørgen Myran.

However, they lost to Canada (Tardi) in the semifinal and Scotland (Ross Whyte) in the bronze medal game to finish fourth.

His team of Martin Sesaker, Bendik Ramsfjell and Gaute Nepstad went on to win the gold medal.

[2] Later that month, Ramsfjell and his junior rink would compete at the 2019 World Men's Curling Championship, finishing 12th with a 2-10 record.

[4] The team was chosen to represent Norway at the 2022 World Men's Curling Championship,[5] where they finished in 10th with a 5–7 record.

This put the team in the playoffs, where they lost to Italy (skipped by Joël Retornaz) in the qualification game.