After graduating from Sekolah Tinggi Ilmu Ekonomi Dwi Wacana, Jaya began his career as a Junior Tax Consultant at RHLAW. Over the past twelve years, he has specialized in tax litigation, risk management, and compliance services, providing representation for major multinational and national corporations including Louis Dreyfus, Vietnam Airlines, Bank of India, and Interskala Group of Companies.

He has expertise in tax dispute resolution, successfully assisting clients in tax audits, objections, appeals, and reconsiderations before the Tax Court and legal authorities.