[3][4] Honyenuga started his career as an Executive Officer at the PWD Personnel Branch in Accra from January to September 1976.
[5][6] In 2009 served as a judge at the Court-sitting of the Justice for all Programme and in 2014, he doubled as the Director of the Remand Prisoners Project.
Honyenuga held various positions within the Ghana Bar Association, including Assistant Secretary (Volta Region Branch) from 1983 to 1988, Welfare Officer from 1993 to 1996, Treasurer from 1996 to 2001, and Vice President from 2002 to 2003.
Additionally, he served as President of the Court of Appeal in Cape Coast from 2012 to 2017, and was appointed a judge responsible for Anti-Corruption in 2013.
He served as the Chairman of the Medical Committee for Judges, Magistrates, and Directors of the Judicial Service in 2019, as well as the Supervisor of the Justice for all Programme (JAP) and the Prisons High Courts.
The Ghanaian journalist and political analyst, Kweku Baako described the alleged endorsement as an "unwarranted sycophancy".
[10] The Volta Regional Chairman of the National Democratic Congress (NDC), Henry Kwadzo Ametefe concurred, saying the judge's alleged endorsement was a violation of the code of conduct of the judiciary and called on the Legal Council and the Chairman of the Judicial Council, the Chief Justice to take "appropriate action".
[9] During his vetting on Monday 11 May 2020, he dismissed claims that the apex court was saddled with determining "political cases".