Backend developer interested in reliable APIs, data integrity, and production infrastructure.

AI-based subway fare-evasion detection capstone project.

• Role: cloud infrastructure
• Responsibilities: AWS S3 and IAM integration, Nginx reverse proxy with Let's Encrypt HTTPS, Docker log rotation, and server resource monitoring
• Direct contributions: Resource monitoring script · Merged PR #8

Spring Boot domain and persistence work for course evaluation and feedback.

• Domain validation, JPA adapters, PostgreSQL constraints, partial unique indexes, JSONB snapshots, and integrity triggers
• Contributions: Feedback #23 · Team evaluation #24 · Peer evaluation and grades #25