Vaziri began his career in visual effects in 1998 as a 2D Supervisor and Lead Digital Artist at Banned from the Ranch Entertainment (BFTRE or BFRE). For BFRE, Vaziri was a digital artist for such films as Doctor Dolittle and A Midsummer Night's Dream and a computer graphics artist on films like the 1999 romantic comedy Forces of Nature (featuring Ronny Cox and Jack Kehler) and the 2000 science fiction thriller Hollow Man (featuring Jimmie F. Skaggs). He was also the computer graphics supervisor on the popular 1999 comedy American Pie and the lead digital artist on 1999 films such as Inspector Gadget (featuring Rene Auberjonois and Andy Dick), Stir of Echoes (featuring Jennifer Morrison), and Drive Me Crazy (starring Stephen Collins).