Reza Wahyu Kumara

Backend-focused software engineer at Traveloka in Tangerang, Indonesia, building scalable systems, data pipelines and APIs for high-traffic environments. His work centres on automation, reconciliation systems and large-scale data processing, with reported reductions in processing time, infrastructure cost and manual operations. Before Traveloka he was a software engineer at Sembly, an IoT application engineer at CAD-IT Consultants (Asia) Pte Ltd, and a developer intern at Kartuku. He studied at Institut Teknologi Bandung and, as a high school student, represented Indonesia at the International Mathematical Olympiad in 2013 and 2014, winning a bronze medal both years.

Notes2

• Represented Indonesia at the International Mathematical Olympiad in both 2013 and 2014, winning a bronze medal each year — a rare repeat medallist and evidence of top-tier mathematical talent before pivoting to software engineering.Jul 1, 2014
• Scored 21 points at IMO 2014 (rank 163/560) versus 16 points at IMO 2013 (rank 234/527), a clear improvement across his two appearances.Jul 1, 2014
• Career has moved from IoT/embedded work (CAD-IT) through fintech-adjacent internships (Kartuku) to backend systems at Traveloka, showing a deliberate shift toward large-scale data and automation engineering.
• Attended Sragen Bilingual Boarding School for high school before enrolling at Institut Teknologi Bandung, suggesting a scholarship/olympiad pathway into ITB.