[4] She also served as the elected Member of Parliament for Pallisa District Women's Representative, from 2001 until 2011.

[1] From 1994 until 1996, she served as the Youth Representative for Eastern Uganda to the National Resistance Council, the parliamentary institution at that time.

She then joined the Ministry of Lands and the Environment, in the Forestry Department, as a Seed Source Development Officer, serving in that capacity from 1998 until 2001.

[1] In 2001, she rejoined politics and was elected to Represent the Women of Pallisa District in parliament.

[1] Namuyangu is one of several government ministers and National Resistance Movement MPs who lost in their party primaries and defied President Museveni's directive, to not stand as independents, and instead offered themselves to stand as independent parliamentary candidates 2011.

During the 2016 parliamentary elections, Namuyangu contested for the Kibuku district woman member of Parliament representative , on the NRM Party ticket.