Overview
Enterprise vessel management system with modules for tracking and managing vessel-related business operations. The system spans Java/Spring Boot and C#/.NET components with an Angular frontend.
My Role
Role
Software Engineer / Mid-Level Java Developer
Organization
ACE Japan
Period
October 2025 – March 2026
Category
Proprietary · Enterprise
Technology
JavaSpring BootC#.NETMS SQLAngularAWS
Engineering Focus
Enterprise Applications · Business Logic · Backend Development · System Maintenance · Performance & Reliability
Engineering Responsibilities
- Developing and maintaining vessel management modules
- Implementing new business features across the system
- Improving existing functionality, reliability, and performance
Engineering Challenges
- Extending vessel management modules while maintaining system stability
- Working across Java and .NET components within an enterprise codebase
- Balancing new feature delivery with reliability improvements
What I Learned
- Enterprise systems often span multiple technology stacks that must work together reliably
- Incremental improvements to existing modules require careful understanding of business logic
- Performance and reliability work is as important as feature development in production systems
Confidentiality Notice
This project was developed as part of a proprietary software system. Internal source code, infrastructure details, architecture diagrams, and confidential business information are intentionally omitted.
Related Links
- Case Study
- Private Company Project