Ngoc Dang Khoa Nguyen

Competitive Programmer | IOI Gold Medalist | NUS CS

Singapore

About

Experience

  • Teaching Assistant at National University of Singapore
    Jan 2025 - May 2026 · 1 yr 5 mos

    CS2040S – Data Structures and Algorithms (Semester 2, AY2024/2025 and AY2025/2026) - Led weekly 2-hour tutorials for ~15 students, reinforcing core concepts through exercises. - Developed and refined lecture and tutorial materials used by \~700 students each semester. - Identified and corrected errors in materials, improving accuracy for future cohorts. - Achieved an overall teaching feedback score of 4.9/5.0.

  • Guest Trainer at Vietnam International Olympiad in Informatics Team
    Jun 2025 - Jun 2025 · 1 mo

    - Conducted 3 training sessions for Vietnam's IOI team (4 members). - Introduced advanced mathematical problems to sharpen problem-solving skills. - The team later achieved 1 Gold, 2 Silver, and 1 Bronze medal at the Olympiad.

  • Competitive Programming Instructor at High School for Gifted Students, Hanoi University of Science, Vietnam National University
    Oct 2022 - Dec 2024 · 2 yrs 3 mos

    - Taught classes of 10–20 students advanced algorithms used in competitive programming. - Selected high-quality problems from various online judges for virtual contests. - Created original tasks and organized competitions for students.