He entered the College of Opera in Stockholm in 1989 and performed as Moralés (Carmen) and Leporello (Don Giovanni) at the Royal Swedish Opera. Upon graduation in 1992, he sang the role of Falstaff by Salieri at Drottningholm Court Theatre. Pamela Rosenberg, then casting director of Staatsoper Stuttgart, noticed his performances as Leporello and Figaro and invited him to join the company. At Staatsoper Stuttgart, he sang more than twenty roles.
He performed as Figaro at GöteborgsOperan in 2000. He became a freelance singer in 2003 with recitals as Masetto (Don Giovanni), Michelotto (Die Gezeichneten), Antonio (Le Nozze di Figaro) at Staatsoper Stuttgart and as Don Carlo (La forza del Destino) at Södertäljeoperan. Kajlinger originated the role of Mr. Verloc in Simon Wills' opera, (The Secret Agent), in 2006 at Feldkircher Musikfestival.
He sang Amonasro (Aida) at Opera på Skäret in 2007 and Major Domo in Tjajkovskij's Pique Dame at Oper der Stadt Bonn. He performed as Scarpia (Tosca) in 2008 and as Rigoletto[1] at Värmlandsoperan in 2009. He was Marcello[2] (La Bohème) at Opera på Skäret in 2010. He was praised as Dr. Treeves[3] in the worldpremiere of The Elephant Man at Norrlandsoperan 2012. At Wermland Opera he sang Bartolo[4] and Pizarro in the Trilogy directed by Tobias Kratzer 2014-2015. In 2017 he portrayed the Captain in Bohuslav Martinu´s The Greek Passion. He played the main character in The Emperor´s New Clothes at [5] Norrlandsoperan 2021
