A dedicated Java backend developer with concentrated experience at a single startup, specializing in application server performance. I have a proven record of delivering significant optimizations:

• Revamped inefficient location queries, slashing response time by 3.8x (from 500ms to 130ms).
• Eliminated a key system bottleneck by implementing asynchronous API calls, improving user latency by 2.6x (from 1.3s to 0.5s).

• Programming Language: Java 17
• Frontend: Vue.js
• Backend Frameworks & Library: Spring Boot MVC, Spring Security, Spring AI, Spring Boot JPA, QueryDSL, Thymeleaf
• Cloud & DevOps: AWS EC2, AWS Lambda, S3, API Gateway, ECS, Linux
• Database & Caching: MySQL, MongoDB, Redis
• Containers & Orchestration: Docker, Docker Compose
• API Development: RESTful APIs
• Monitoring & Logging: ELK Stack (Elasticsearch, Logstash, Kibana), Pinpoint
• Performence Tool : JMeter
• CI/CD: Jenkins, GitHub Actions

• API & Documentation: Postman, Swagger UI, REST Docs
• Knowledge Management: Notion
• Collaboration: Jira, Slack, Discord

• Personal Tech Blog : Sharing insights, tutorials, and thoughts on Sortware Development in tech.
• Today I Learned (TIL) : A collection of concise daily learnings, tips, and study notes. This repository demonstrates my commitment to continuous growth and knowledge sharing.

• AWS Certified Cloud Practitioner
• SQLD (SQL Developer)
• Engineer Information Processing (정보처리기사)
• TOEIC 755 (English Proficiency)
• JPT 730 (JLPT N1 90~130)

• LinkedIn
• Personal Tech Blog
• Email