Noted for his ability in all phases of the doubles game, he has reached the final of the BWF World Championships three times with countryman Sigit Budiarto.

With Tony Gunawan he captured the men's doubles gold medal at the 2000 Olympics in Sydney.

Though Budiarto has been his most frequent partner, Wijaya has won top tier men's doubles events (and a mixed doubles event or two) with a variety of players, recently renewing an earlier partnership with Gunawan.

Wijaya was a member of the world champion Indonesia Thomas Cup (men's international) teams of 1998, 2000, and 2002.

He was named IBF Player of the Year and received the Eddie Choong awards in 2000.

[5] He married Maria Caroline Indriani on 20 January 2001 at St. Thomas Rasul Church in Cengkareng.