She was in private practice in the District of Columbia and Maryland from 1979 to 1983, and then joined the Las Vegas City Attorney's Office as a prosecutor until 1987, when she became a Las Vegas Municipal Judge.
In 1999, Becker was appointed to a newly created seat on the Nevada Supreme Court, by Governor Kenny Guinn.
Following Becker's participation as a concurring vote in Guinn v. Nevada State Legislature,[1] a 2003 decision interpreting the Constitution of Nevada as requiring the legislature to appropriate funds for education, Becker was the subject of negative advertisements painting her as responsible for a higher tax burden on Nevada citizens.
[2][3] The only participating justice up for reelection in the ensuing election cycle, she was defeated by challenger Nancy Saitta,[3] "an arguably much less qualified opponent".
[2] After serving on the Nevada Supreme Court, Becker became a deputy district attorney in Las Vegas.