Jonathan Filbert is a skilled software engineer currently employed at ByteDance since February 2024. Possessing extensive experience in software engineering roles, Jonathan has contributed to significant projects at notable companies such as Tokopedia and GoPay Indonesia, where responsibilities included developing fintech solutions and building core products for mobile and web applications. In addition to professional engagements, Jonathan actively participates in the tech community as a mentor for adplist.org, guiding over 70 individuals globally and earning recognition as a top mentor in software engineering. Jonathan holds a Bachelor of Computer Science from the University of Indonesia and has participated in various educational programs, including those at prestigious institutions such as Stanford University and Y Combinator.