Bromstedt attended Park Hill South High School, also playing club soccer for the Sporting Kansas City academy from 2010 to 2017.
[1] He appeared on the bench for Sporting's United Soccer League affiliate side Swope Park Rangers for a single fixture during their 2017 season.
The season before, Bromstedt had scored four goals in 29 appearances, helping the team to advance to the U.S. Soccer Development Academy Playoff Quarterfinals for the first time in program history in July 2016.
[3][4] While at college, Bromdstedt also competed in the USL League Two with Kaw Valley FC between 2019 and 2021, making 16 regular season appearances.
[7] Bromstedt debuted for the club on April 6, 2022, starting in a 3–2 loss to FC Tucson in the Lamar Hunt U.S. Open Cup.