Chun-Yi Tsai
Email: ct3316@columbia.edu
Phone: 646-299-0075
LinkedIn: chun-yi-tsai
GitHub: gaivic
Education
Columbia University - New York, NY
M.S. in Computer Science (Sep 2025 - Dec 2026)
- 2025 Fall Coursework: Cloud Computing, Database Systems, Deep Learning for Computer Vision, Malware Analysis & Reverse Engineering
- 2026 Spring Coursework: High Performance Machine Learning, Quantum Computing, Baysian Model Machine Learning, Computer Vision II
National Tsing Hua University - Hsinchu, Taiwan
B.E. in Computer Science and Mechanical Engineering (Sep 2020 - Jun 2024)
Technical University of Dresden - Dresden, Germany
Exchange Student under Informatics Department (2024 Spring)
Work Experience
LINE - Backend Software Engineer Intern
Taipei, Taiwan | Jul 2024 - Aug 2025
- Engineered Node.js microservices for LINE GO ride-sharing platform serving 5M+ daily active users
- Reduced fare calculation latency by 15% through Redis caching
- Automated menu management eliminating 60+ hours of manual work annually
- Accelerated deployment cycle by 20% with GitHub Actions CI/CD and Terraform
Chunghwa Telecom - DevOps Engineer Intern
Taipei, Taiwan | Jul 2023 - Aug 2023
- Implemented observability stack with Prometheus, Loki, Tempo, and Grafana
- Built alerting pipeline with AWS SNS and SQS for API latency monitoring
- Accelerated testing cycles with CI/CD pipelines
Research Experience
High-Speed Lab, NTHU - Software Researcher
Hsinchu, Taiwan | Jan 2022 - Jan 2024
- Built autonomous drone tracking system with gesture recognition
- Achieved 85% accuracy on gesture recognition with TensorFlow and MediaPipe
Technical Skills
Languages: Python, C/C++, JavaScript, Go, TypeScript, Java, SQL
Backend: Node.js, Go (Gin), Spring Boot, Django, Flask, Express
Cloud & DevOps: AWS (EC2, S3, Lambda), Docker, Terraform, Kubernetes
Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB
ML/AI: PyTorch, TensorFlow, OpenCV, Computer Vision