Thrust into the spotlight in the 2015 Varsity Cup tournament in South Africa, Conradie impressed the Namibian selectors so much that he earned a call up later that year and stayed in the squad for the 2015 Rugby World Cup. He made his Namibia National Team debut against Kenya at Windhoek on August 8, 2015.
In 2017, Conradie also played in the Africa Gold Cup 2017 in Windhoek, Namibia, and helped Namibia to win gold.
Conradie also helped Namibia qualify for the 2019 Rugby World Cup in Japan by winning the Africa Cup. He was then selected for the 2019 Rugby World Cup and played in two matches against Italy and South Africa.
He was snapped up by the New England Free Jacks before it was announced in July 2021 that the young loose-forward had signed with Gloucester in the Premiership. In the 2021/22 season he played two first-team matches with Gloucester.
Conradie was originally signed by the Dallas Jackals for 2021 but became a free agent signing by the Free Jacks after the Jackals postponed entry to the league until 2022.He played in 9 matches for the Free Jacks in 2022, carried for 745 meters, and made 133 tackles.
In 2023, Conradie signed with New England Free Jacks for the 2023 Major League Rugby season.
Conradie helped Namibia qualify for the 2023 Rugby World Cup and has 24 test caps.
Ahead of the Rugby World Cup 2023, Conradie has been named in the squad for Namibia.
|2015 - present
|New England Free Jacks
|2021 - present
|2015 - 2021
|2019 - 2021