In 1779, he became a pastor in Surd, then part of the County of Somogy (now in Zala). In the 17th and 18th centuries, numerous Slovene families from the Slovene March settled in Somogy. Many of them were Lutheran, and so Slovene-language services were set up for them.
Bakos" predecessor was István Küzmics, a Slovene writer that translated the New Testament into his local Prekmurian dialect.
Between 1784 and 1785, Bakos served as pastor in Križevci (Hungarian Tótkeresztúr), in Prekmurje. He later returned to Somogy, where he served as the dean for Somogy and Zala counties.
In 1791, he wrote the Slovene hymnal Krszcsánszke peszmene knige (Christian Hymnal).