After becoming priest in the village of Peresznye near the actual Hungarian-Austrian border he became one of the most important Burgenland Croatian writers of his time.
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From 1802 until his death Ficzkó was priest in the small village of Peresznye, near Kőszeg, in an area in Western Hungary in which many Burgenland Croats lived, as they were called later (the term Burgenland for the westernmost part of Hungary, inhabited by Germans and Croats and separated from Hungary in 1921 according to the Treaty of Trianon, was created after 1918).
Ficzkó was praised for having contributed extraordinarily to the development of self-esteem and identity of the Burgenland Croats by using their language (which was not his mothertongue, as he was of Slovene origin) in writing.