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I want to make a masterpiece.
:octocat:
I want to make a masterpiece.
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Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor
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hoony9x/README.md

πŸ‘‹ Hello, I am Kihoon Han (ν•œκΈ°ν›ˆ).

Hits

I am currently working as a software engineer at NAVER Corp (@naver).

More than 3 years of software engineering experience with specialties in backend development, CI/CD operation, and K8s based environment.

Always interested in Cloud-Native Environment projects like Kubernetes.

πŸ–₯ Tech Stack

Docker Kubernetes Go Spring Kotlin Java AWS

πŸ’» Work Experiences

NAVER Corp / 2020.12 - Present

  • NAVER Corp internal platform team (2022.07 - Present)
    • Implemented K8s Dynamic Admission Handler for internal clusters.
    • Implemented "K8s Control Plane in another K8s" to improve the resource usage efficiency of K8s control-plane components.
    • Worked on a PoC to implement a new internal PaaS based on the K8s Operator.
  • NAVER Pay next generation project. (2021.03 - 2022.06)
    • Implemented batch for "Cancellation due to Network Timeout" (λ§μƒμ·¨μ†Œ 배치) to deal with external API instability integrated with NAVER Pay Point system.
    • Converted all codes written in Java to Kotlin to improve productivity and to reduce quantity of codes.
    • Refactored structure of running tests to improve stability & performance of project CI.
    • Implemented a migration batch for massive data using Reactive Stream DB connection.
      • Use Spring Batch with Reactive Stream DB connection to migrate massive data into new system.
    • Participated in the project "Re-implement NAVER Pay Point System".
      • Use sharded RDB (internal platform) to reduce database load.
      • Implement new API for brand-new service.
  • Participate in on-boarding program (2020.12 - 2021.02)

Kakao Corp / 2020.06 - 2020.09 (Internship)

THE NOLBAL CO. LTD / 2020.01 - 2020.02 (Internship)

  • Develop On-Demand Image Resize Module based on AWS Lambda & AWS Cloudfront
    • Click here to see details
  • Add REST API into existing Web Backend
    • Click here to see details

πŸ’» Other Experiences (Before Graduation)

πŸ“ Certifications

🌱 I’m currently learning...

Docker Kubernetes Rust

πŸ“š I’m currently preparing...

πŸŽ“ Educations

πŸ—£οΈ Natural Languages I can "Speak"

  • Korean πŸ‡°πŸ‡· - Native
  • English πŸ‡ΊπŸ‡Έ - Secondary Language

Pinned

  1. aws-lambda-edge-img-resize-function aws-lambda-edge-img-resize-function Public

    AWS Lambda@Edge μ—μ„œ λ™μž‘ν•˜λŠ” realtime image resize function

    Python 5 4

  2. DOMjudge-K8s DOMjudge-K8s Public

    This repository contains how to run DOMjudge with Kubernetes and Docker Images. (for personal practice purpose)

    2 1

  3. spotboard/domjudge-converter spotboard/domjudge-converter Public

    An experimental script that converts DOMJudge's API results into spotboard-compatible JSONs.

    JavaScript 7 8