She began her carrier from a private law firm in Mbale district called Dagira and Company Advocates where she became a partner in the same firm. She also volunteered with Uganda Women Lawyers Association (FIDA Uganda) as a legal practitioner.[5]
In 1996, Wangadya was appointed as one of the founding pioneer members of the Uganda Human Rights Commission (UHRC) at its inception. She served alongside Margaret Sekaggya and Med Sozi Kaggwa.[5][6][7][8][1][9]
In 2013, Wangadya left the Uganda Human Rights Commission to take on her new appointment as the deputy Inspector General of Government, a position she served in up to 2021 as she deputized the Government Ombudsman.[5][10][11][12][13][14]
In 2023, Wangadya on behalf of the UHRC signed a memorandum of understanding with the National Fellowship of Born-Again Pentecostal churches of Uganda (NFBPCU) that is meant to curb on the human rights violations against Born Again churches and also regulating them.[16] This memorandum of understanding is meant to last up to 2028 but through a written mutual agreement it can be extended.[16]
In 2023, Wangadya while serving as the chairperson for UHRC accused National Unity Platform (NUP) leaders for weaponizing abductions for their political interests and gains.[17][18] The NUP leaders claimed that Ugandan security agents had been kidnapping and torturing NUP supporters since 2020.[17] UHRC found out that some of the members on the list were indeed captured and released in December 2022.[17][18][19]
In 2024, Wangadya presented the Uganda Human Rights Commission (UHRC) report to the Parliament of Uganda, containing information about the welfare and operations of the Uganda Police Force (UPF). The report raised concerns about officer living conditions, unarmed officers, the use of ropes as handcuffs, unfair deployments, and the transfer of police officers basing on bribery and favoritism.[4]
