He began learning ice dance under Andrew Hallam at the Toronto Cricket, Skating and Curling Club and had a brief partnership with Kaitlin Stitz in 2012–13.
[2] Waddell teamed up with British skater Sasha Fear in May 2017 to represent Great Britain; their families were already acquainted and the partnership tryout was initiated by Haguenauer.
[6] Fear/Waddell won the 2018 British junior national title by over 20 points ahead of Emily Rose Brown / James Hernandez and Natalia Paillu Neves / Frank Roselli.
On the 2018–19 ISU Junior Grand Prix, they finished eleventh in Kaunas, Lithuania and ninth in Ostrava, Czech Republic.
[6] Fear/Waddell defended their national title at the 2019 British Championships, winning by over 40 points ahead of Lucy Hancock / Billy Wilson French and Paillu Neves / Roselli.
[6] Fear/Waddell opened the season with a pair of eighth-place finishes on the 2019–20 ISU Junior Grand Prix in Lake Placid, New York, United States and Gdańsk, Poland.
[6] Fear/Waddell made their senior international debut at the 2020 CS Nebelhorn Trophy, which, due to the ongoing COVID-19 pandemic, was attended only by European skaters.
[11] Fear/Waddell began the season at the Skating Club of Boston-hosted Lake Placid Ice Dance International, where they placed tenth.
They next competed at the 2021 CS Nebelhorn Trophy, seeking to qualify a second berth for a British dance team at the 2022 Winter Olympics.