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rlaguswls13/README.md

Hyeonjin Kim

Backend engineer building reliable services and practical products.

Email · Blog

About

I design and build maintainable backend systems, from REST APIs to cloud-ready services. I care about clear boundaries, predictable behavior, automated tests, and code that remains easy to change.

  • Focus — Backend engineering, RESTful APIs, microservice architecture
  • Exploring — Cloud-native architecture, system performance, automated testing
  • Working style — Small iterations, measurable improvements, clear documentation

Tech stack

Area Technologies
Backend Java Spring
Data MySQL Oracle ElasticSearch
Infrastructure Docker Git
Frontend React JavaScript Node.js TypeScript
Tools IntelliJ IDEA Visual Studio Code Postman

What I value

Readable code  ·  Predictable systems  ·  Useful software
  • Clear API contracts and domain boundaries
  • Tests that make change safer
  • Performance improvements backed by measurement
  • Documentation that helps the next developer

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