Buchtela made his professional debut for Piráti Chomutov during the 2016–17 Czech Extraliga season and played a total of 27 regular season games for the team over three seasons. During his career he had multiple loan spells in the 1st Czech Republic Hockey League with SK Trhači Kadaň, HC Stadion Litoměřice, HC Slovan Ústečtí Lvi and HC Benátky nad Jizerou. Buchtela played in the 2017 IIHF World U18 Championships for the Czech Republic.