[1] Trained at the Tangkas club, he clinched the boys' doubles titles at the Dutch and German partnered with Hadi Saputra in 1996,[2] and also settled a bronze medal at the World Junior Championships in Silkeborg, Denmark.

[3] In 1998, he won the mixed doubles title at the Jakarta International tournament partnered with Angeline de Pauw.

[4] Together with Saputra, he finished as a semi finalists at the World Grand Prix tournament 1999 Thailand Open.

[5] In 2000, Mulyajaya teammed-up with Nova Widianto, the duo competed in the Grand Prix event and became a quarter finalists at the Indonesia, Malaysia and Dutch Open.

[6] Mulyajaya started his career as a coach in Tangkas club for three years, and later join the Badminton Association of Indonesia for five years.