In 2004, he acquired two certifications from the International Development Law Organization; one in Intellectual Property and another in Public Procurement.

[1][5][6] After graduating as a lawyer, Oboth-Oboth served as the Deputy Attorney General for Tieng Adhola Cultural Institution.

His stay in the US had enabled him to acquire donors who offered to initiate projects in his constituency, and that in a way helped sway voters to his side.

[8] Jacob Oboth-Oboth was first elected as West Budama South MP (Independent) in 2011 after defeating the then State Minister for Labor, Dr Emmanuel Otaala, who subsequently but unsuccessfully challenged his victory in the Courts of law.

Oboth-Oboth set the record for being the first legislator to be elected for a second successive term in this constituency which had not re-elected an incumbent MP to Parliament since 1996.