He cut his teeth in the youth ranks of Helsingborg Basket in his native Sweden before making his debut in the country's second-tier league Basketettan in the early stages of the 2015–16 season. He had a tremendous presence inside in terms of blocking shots (5.8 bpg) in Basketettan play, while averaging 11.7 points and 13.5 rebounds per contest (12 games played).[1]
Birgander left Sweden in January 2016 to head to Spain, where he joined CB Clavijo of the LEB Gold, the second-tier division.[2] He was also made eligible to play for EBA side Natural Rioja Vintage Clavijo. In EBA play, he was a major contributor on the defensive end of the court, averaging 3.6 blocks a game in 14 games of the 2015–16 campaign, while scoring 7.4 points and pulling down 9.3 rebounds per outing.
In April 2017, Birgander put his name into the 2017 NBA draft. Two months later, he became one of only 10 international underclassmen to remain in the NBA Draft that year. However, he went undrafted.[3] He signed with Joventut de Badalona of the Spanish top-flight Liga ACB in July 2017.[4] In 2019 and 2020, he was injured (knee) and unable to play for a total of 352 days.[5]
On July 1, 2023, Birgander signed with fellow Liga ACB side UCAM Murcia CB.[6]
Birgander was a key member of the Swedish under-18 national team who won gold at the 2015 Division B European Championship, averaging 3.8 points, 6.0 boards as well as a tournament-high 2.5 blocks a game.[7] In 2016, he averaged 7.9 points, 6.9 rebounds and 1.1 blocks per contest at the under-20 European Championships in Finland.[8]
