Integrated contest proctoring & service systems into installation images with DebianInstaller, used at ICPC Asia-Pacific events with 1200+ contestants, saving 400+ volunteer hours.Invented video system enabling spectators to view contestants’ screens, used at ICPC Asia-Pacific Regional & pitched at 2023 ICPC World Finals.Developed Linux PAM-based authentication system using C, letting organizers track login attempts in real-time.Developed VirtualBox-based development environment & redesigned build pipeline, saving 300+ hrs of build time.Acknowledged for reporting firewall loophole allowing internet access in International Olympiad in Informatics’ contestant environment affecting 300 contestants.

Reworked introductory writings, making project textbook for majority of Vietnam Informatics Olympiad teams.Wrote Wiki pages on Bitwise Manipulations and Aho-Corasick. Reviewed 24 Wikis, including FFT & Dinitz’s Algorithm.Offered Team Lead position of 12 authors after 6 months. Interviewed, recruited and on-boarded volunteers.

Taught competitive programming to 100+ 10th grade students, totaling 60+ hours, after which 70% of students can solve medium-hard problems. Topics included Dinitz’s, Suffix Arrays, C Constant Optimization.Trained 50 volunteers & oversaw C teaching for 300 summer-campers. Raised & oversaw disbursement of $2300.Contributed 5 problems to Vietnam National University’s direct-admit contests.Won two First Prizes (#8/600) in Vietnam Olympiad in Informatics.Top 2% pre-college in 2024 USA Computing Olympiad US Open.