His father, Taito, played halfback for Fiji, as did his brother Mosese and his first cousin Waisale Serevi, who also started his career at halfback. Rauluni played for the Queensland Reds from 1995 to 2002 and he played for Fiji from 1995 to 2006. He had an extended spell playing rugby in the UK, and is best known for helping Rotherham Titans win promotion to the Premiership.
Taito, his brother Mosese, and first cousin Waisale Serevi all played halfback for Fiji; Taito also played for the Queensland Reds from 1995 to 2002, while Rauluni played for Fiji from 1995 to 2006. He had a substantial period playing rugby in the UK and is well-known for assisting Rotherham Titans in winning promotion to the Premiership.