He conducted an apprenticeship as a machine fitter at Elastin AG in Triesen.

[1] From 1978 to 1982 he was a deputy government councillor in the first Hans Brunhart cabinet as a member of the Patriotic Union.

[1][3] During his time in the Landtag, he was the chairman of the foreign affairs commission and head of the Liechtenstein delegation to the Parliamentary Assembly of the Council of Europe.

He was vice president of the assembly from 1989 to 1990, and from 1991 was an honourary member.

[1] Kindle was a board member of the Liechtenstein Philatelists' Association.