Software engineer focused on designing backend systems and cloud infrastructure that solve real-world operational problems.

Kookmin University

• Major: Management Information Systems
• Convergence Major: Software
• GPA: 4.36 / 4.5

NexERP is a SaaS-based ERP solution designed to integrate enterprise processes such as HR, logistics, and inventory management into a unified operational flow.

• Period: 2025.10 ~ 2026.01
• Role: PM, Backend Engineer, Infrastructure Engineer
• Achievement: Awarded Grand Prize
• Tech Stack: Java, Spring Boot, AWS EC2, RDS, S3, Route 53, ALB, ACM, Lambda, EventBridge, Docker, ECR

• Designed and refactored inventory service APIs based on domain boundaries and transaction consistency.
• Defined domain and transaction boundaries for ERP service modules.
• Introduced ALB and ACM-based SSL termination to reduce EC2 workload and improve operational availability.
• Built an ECR-based CI/CD pipeline by separating the build environment from the runtime environment.
• Designed a serverless ETL pipeline using EventBridge, Lambda, S3, and RDS for large-scale analysis data processing.
• Implemented domain-based role access control using Spring Security and @PreAuthorize.
• Conducted K6-based load testing to validate transaction behavior and service stability.

FinanceDoc is an AI-based financial management service that provides personalized financial reports, financial product recommendations, and financial literacy content for young adults.

• Period: 2025.09 ~ 2025.10
• Role: Backend Engineer, Infrastructure Engineer
• Project: K-PaaS Open Cloud Platform Utilization Competition
• Tech Stack: Java, Spring Boot, Docker, Naver Cloud Platform, Kubernetes, OpenAI API

• Developed CRUD APIs for the financial product recommendation service.
• Integrated the OpenAI API to provide AI-based financial consultation using user-specific financial context.
• Designed prompt engineering logic for personalized financial responses based on user financial data.
• Built an NCP-based CI/CD automation pipeline on top of the existing MSA deployment environment prepared by the DevOps team.
• Contributed to backend service development within an MSA-based architecture using Spring Cloud Gateway.
• Improved deployment efficiency by automating the build and delivery process for backend services.

PetFarewell is a record and comfort service for people who have experienced the loss of a companion animal.
The service supports daily logs, AI-generated emotional reflections, and memory preservation through letters and images.

• Period: 2025.08 ~ 2025.09
• Role: Backend Engineer, Infrastructure Engineer
• Project: 2025 Kakao X Groomthon Univ Seasonthon
• Tech Stack: Java, Spring Boot, AWS EC2, RDS, S3, Docker, GitHub Actions, OpenAI API

• Built an AWS-based server deployment environment using EC2, RDS, S3, and Docker.
• Designed and implemented daily log CRUD APIs.
• Integrated the OpenAI API to generate emotional reflection messages based on user diary content.
• Designed image upload and retrieval logic using Amazon S3.
• Built a GitHub Actions-based CI/CD pipeline for automated deployment.
• Contributed to backend API design and implementation for a hackathon MVP under a limited development timeline.

• AWS Certified Solutions Architect – Associate
• Engineer Information Processing
• Computer Specialist in Spreadsheet & Database Level 1
• ADsP
• SQLD

• GitHub: github.com/minsubyun1
• Email: hyohyosubsub@gmail.com
• LinkedIn: in/minsubyun