 Waller was a state's attorney for the Florida 2nd Judicial Circuit in 1932 and a member of the Florida House of Representatives in 1933.Waller established, with Claude Pepper, the law firm of Waller and Pepper.Waller was nominated by President Franklin D. Roosevelt on June 11, 1940, to the United States District Court for the Northern District of Florida and the United States District Court for the Southern District of Florida, to a new joint seat authorized by 54 Stat.