Beijing Beijiufang Railway Traffic Technology Co., Ltd - Backend Project Intern

  • 1/4/2025
  • One-minute read

Beijing Beijiufang Railway Traffic Technology Co., Ltd.

Apr 2025 - Jul 2025
Backend Project Intern

Project

Digital ticketing and knowledge-base system for railway vehicle inspection and maintenance.

Tech Stack

Spring Cloud, Spring Boot, Spring Security, JWT, MyBatis, MyBatis-Plus, MySQL, ECharts

Responsibilities

  • Developed authentication and authorization modules with Spring Security and JWT.
  • Implemented ticket entry, search, upload, and data persistence modules.
  • Connected backend data with visual dashboards for maintenance progress and issue summaries.
  • Used ECharts to build reporting views for operational analysis.

My Work

  • Implemented login, authentication, and role-based authorization with Spring Security + JWT; designed user and permission tables and integrated APIs.
  • Built ticket entry/query and document/image upload APIs with Spring MVC and MyBatis; integrated algorithm outputs and persisted data.

Project intro link: /portfolio/