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Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Pair Extraordinaire

Achievements

Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Pair Extraordinaire

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jingi723/README.md
Jingi Kim — Backend Developer

I build backend APIs and data pipelines. I care about what happens when a request fails, a message arrives twice, or a job stops halfway through.

Blog ↗    /    Development notes


🛠️ Selected projects

EDGE   —   ETF analysis service
Data ingestion and delivery pipelines, transactional outbox, and job-status APIs. My work connects source data to downstream analysis and makes processing status visible.
Architecture & decisions ↗

Coupon System   —   Concurrent coupon issuance
A Java and Spring Boot project exploring database and Redis approaches to preventing overselling and duplicate issuance under concurrent requests.
Implementation & load testing ↗


📝 Writing


WORKING WITH

Java   Spring Boot   Python   PostgreSQL   Redis   Docker   Git

Pinned Loading

  1. coupon-system coupon-system Public

    Java

  2. alphaeveryday/edge alphaeveryday/edge Public

    Python

  3. etf-research-agent etf-research-agent Public

    ETF research with evidence, holdings analysis, and explicit data gaps. Built for Claude Code with standard-library Python tools.

    Python 2 1

  4. STT STT Public

    Local macOS meeting recorder with system + microphone capture, Qwen3-ASR transcription, speaker diarization, and meeting notes.

    Swift