# Overview

실시간/배치 환경에서 Kafka, Spark, Airflow 기반 데이터 파이프라인을 설계 및 구축했습니다. 데이터 검증 및 스키마 표준화로 데이터 신뢰성과 처리 안정성을 확보했으며, 비동기 스트리밍 및 Serverless 구조로 대용량 데이터 처리 확장성을 강화했습니다. 또한 Aurora MySQL Query Tuning으로 대시보드 조회 성능을 60초에서 1초 이내로 개선했으며, AWS/GCP 기반 데이터 처리 및 운영 경험을 보유하고 있습니다.

***

### Work Experience <a href="#contact-me" id="contact-me"></a>

**Gentle Energy Corp.**

<table data-view="cards"><thead><tr><th></th><th>기간</th><th>역할</th><th data-type="rating" data-max="5">contribution</th><th>기술 스택 </th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3>Data Visualization</h3></td><td>2022.05 - 2022.09</td><td>Full Stack Developer</td><td>4</td><td>FastAPI, AWS Aurora, AWS QuickSight, React, Javascript, Highchars.js</td><td><a href="https://judy-valentine.gitbook.io/judy/work-experience/gentle-energy-corp./real-time-equipment-monitoring-dashboard">https://judy-valentine.gitbook.io/judy/work-experience/gentle-energy-corp./real-time-equipment-monitoring-dashboard</a></td></tr><tr><td><h3>Investment Service</h3></td><td>2022.10 - 2022.12</td><td>Data Engineer, Backend Developer</td><td>3</td><td>Spring Boot(Java), EKS(<strong>Amazon Elastic Kubernetes Service</strong>), Docker, AWS Aurora, AWS ERC, Github</td><td><a href="https://judy-valentine.gitbook.io/judy/work-experience/gentle-energy-corp./stock-recommendation-service">https://judy-valentine.gitbook.io/judy/work-experience/gentle-energy-corp./stock-recommendation-service</a></td></tr></tbody></table>

***

**Unirobotics Inc.**

<table data-view="cards"><thead><tr><th></th><th>기간</th><th>역할</th><th data-type="rating" data-max="5">contribution</th><th>기술 스택</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h3>IoT Sensor Data ETL Pipeline </h3></td><td>2021.03-2021.08</td><td>Backend, DevOps</td><td>3</td><td>Spring Boot, Java, Google BigQuery, GKE(Google Kubernetes Engine), Google Data Studio</td><td><a href="https://judy-valentine.gitbook.io/judy/work-experience/unirobotics-inc./iot-sensor-data-pipeline-for-smart-factories">https://judy-valentine.gitbook.io/judy/work-experience/unirobotics-inc./iot-sensor-data-pipeline-for-smart-factories</a></td></tr><tr><td><h3>MES Service</h3></td><td>2021.09 - 2022.02</td><td>Backend, Frontend</td><td>3</td><td>Express, Javascript, React, MySQL, Docker</td><td><a href="https://judy-valentine.gitbook.io/judy/work-experience/unirobotics-inc./mes-solution-for-manufacturing-processes">https://judy-valentine.gitbook.io/judy/work-experience/unirobotics-inc./mes-solution-for-manufacturing-processes</a></td></tr></tbody></table>

***

### Key Projects <a href="#contact-me" id="contact-me"></a>

<table data-view="cards"><thead><tr><th></th><th></th><th>기간</th><th>역할</th><th>기술 스택</th><th data-type="rating" data-max="5">contribution</th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden></th></tr></thead><tbody><tr><td><h3>Pet Healthcare Service 2.0</h3></td><td>반려동물 건강 관리 서비스</td><td>2024.01 - 2024.04</td><td>Full-Stack</td><td>Spring Boot(Java), React, Javascript, MySQL, MongoDB, Redis, Docker, ELK Stack, Airflow, Kafka, Spark, Prometheus/Grafana</td><td>5</td><td><a href="https://judy-valentine.gitbook.io/judy/key-projects/pet-healthcare-service">https://judy-valentine.gitbook.io/judy/key-projects/pet-healthcare-service</a></td><td>반려동물 건강 관리 서비스</td></tr><tr><td><h3>Petdori (Pet Healthcare 1.0)</h3></td><td>반려동물 건강 관리 서비스</td><td>2023.04 - 2023.11</td><td>Full-Stack</td><td>Spring Boot(Java), Flutter(Dart), MySQL, MongoDB, Python, Django, Celery, RabbitMQ</td><td>4</td><td><a href="https://judy-valentine.gitbook.io/judy/key-projects/pet-healthcare-service">https://judy-valentine.gitbook.io/judy/key-projects/pet-healthcare-service</a></td><td>반려동물 건강 관리 서비스</td></tr><tr><td><h3>Schoolvery</h3></td><td>배달비 분담 서비스</td><td>2022.03 - 2022.08</td><td>Leader, Back-End</td><td>Spring Boot(Java), MySQL, Docker, AWS, Javascript, React, Github, Github Action, Prometheus/Grafana</td><td>3</td><td><a href="https://judy-valentine.gitbook.io/judy/key-projects/delivery-fee-sharing-platform">https://judy-valentine.gitbook.io/judy/key-projects/delivery-fee-sharing-platform</a></td><td></td></tr></tbody></table>

***

### Side Projects

<table data-view="cards"><thead><tr><th></th><th></th><th>기간</th><th>역할</th><th>기술 스택</th><th data-type="rating" data-max="5">contribution</th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden></th></tr></thead><tbody><tr><td><h3>Serverless Data Pipeline</h3></td><td>AWS Serverless 기반 데이터 파이프라인 설계 및 구축</td><td>2024.04 - 2024.06</td><td>Data Engineer</td><td><ul><li>AWS (API Gateway, Lambda, SQS, S3, AWS Glue, Athena, QuickSight)</li></ul></td><td>5</td><td></td><td></td></tr><tr><td><h3>HandsUp</h3></td><td>질문 답변 기반 SNS</td><td>2022.03 - 2023.02</td><td>Backend Developer, DevOps Engineer</td><td>Django, PostgreSQL, Docker, AWS, Nginx, Gunicorn</td><td>3</td><td><a href="https://judy-valentine.gitbook.io/judy/additional-projects/social-q-and-a-platform">https://judy-valentine.gitbook.io/judy/additional-projects/social-q-and-a-platform</a></td><td></td></tr><tr><td><h3>Blooming</h3></td><td>이미지 스타일 변환 서비스</td><td>2021.01 - 2021.02</td><td>Full Stack Developer</td><td>Javascript, React, FlaskAPI, Docker, AWS, GCP, MySQL</td><td>3</td><td><a href="https://judy-valentine.gitbook.io/judy/additional-projects/image-style-transfer-service">https://judy-valentine.gitbook.io/judy/additional-projects/image-style-transfer-service</a></td><td></td></tr></tbody></table>

***

### **Activities** <a href="#contact-me" id="contact-me"></a>

#### Software Maestro&#x20;

> '반려동물 건강 관리 서비스'에서 Full-Stack을 맡아 기획부터 데이터 파이프라인, 대시보드 구현 및 운영까지 End-to-End 전 과정을 수행했습니다. ([🔗](https://judy-valentine.gitbook.io/judy/activity/software-maestro))

#### Google Cloud Study Jam: Kubernetes in Google

> Docker와 GKE를 활용해 컨테이너 기반 서비스를 배포하고, Jenkins로 빌드/테스트/배포가 자동화된 CI/CD 파이프라인을 직접 구축하는 실습을 진행했습니다.  ([🔗](https://judy-valentine.gitbook.io/judy/activity/google-cloud-study-jam-kubernetes))

#### 우아한 스터디: 헥사고날 아키텍처로 구현하는 아주 작은 Spring Boot 프로젝트

> 클린 아키텍처와 헥사고날 아키텍처 개념을 학습하고, Spring Boot 기반 프로젝트에 적용하며 도메인 기반 설계와 계층 간 책임 분리를 실습했습니다.  ([🔗](https://judy-valentine.gitbook.io/judy/activity/undefined))

#### Junction Asia Hackathon

> 기획자, 디자이너와 협업하여 ‘부산 택시 투어 서비스’에서 Backend 개발을 맡아, FastAPI 기반 전체 API를 설계 및 구현했습니다. ([🔗](https://judy-valentine.gitbook.io/judy/activity/junction-asia-hackathon))

#### 글또: 개발자 글쓰기 커뮤니티

> 실무 중 마주한 트러블슈팅 사례와 기능 구현 과정을 기술 블로그에 정리해 공유하며 개발 커뮤니케이션과 문서화 역량을 함께 기르기 위해 꾸준히 활동했습니다. (🔗)

#### Silicon Valley Pre-Internship

> 4인 팀으로 협업하여 ‘이미지 스타일 변환 서비스’를 기획하고, Flask 백엔드와 React 프론트엔드, MySQL 환경에서 핵심 기능을 개발해 서비스를 구현했습니다. ([🔗](https://judy-valentine.gitbook.io/judy/activity/silicon-valley-pre-internship))

#### Mentor

> 부트캠프 기술 멘토로 참여해 실습 세션, 코드 리뷰, 에러 디버깅을 진행하며 팀 프로젝트 완성과 멘티들의 실력 향상에 기여했습니다. ([🔗](https://judy-valentine.gitbook.io/judy/activity/mentoring))

#### Techeer: 국내외 개발자 커뮤니티

> 시스템 설계, 데이터베이스, 대용량 처리 등의 주제로 스터디를 주도적으로 모집 및 운영하며, 국내외 개발자들과 꾸준히 지식을 공유하며 함께 성장했습니다. ([🔗](mailto:undefined))

***

### **Tech Stacks** <a href="#contact-me" id="contact-me"></a>

<details>

<summary>Proficiency Level</summary>

* ★★★★★ : 프로덕션 레벨 경험, 최적화 및 문제 해결 가능
* ★★★★☆ : 실무 프로젝트 경험, 독립적 개발 가능
* ★★★☆☆ : 기본 사용 가능, 문서 참고하며 개발 가능
* ★★☆☆☆ : 기초 수준, 간단한 기능 구현 가능
* ★☆☆☆☆ : 입문 수준

</details>

<details>

<summary>Language &#x26; Frameworks</summary>

**Backend**

* **Spring Boot** ★★★★☆
* **FastAPI** ★★★★☆
* **Django** ★★★☆☆
* **Python** ★★★★☆
* **Java** ★★★★☆

**Frontend**

* **React** ★★★☆☆
* **Next** ★★★☆☆
* **JavaScript** ★★★☆☆
* **TypeScript** ★★★☆☆

</details>

<details>

<summary>Cloud &#x26; Infrastructure</summary>

* **AWS** ★★★★☆
  * `EC2, S3, Aurora, QuickSight, CloudWatch 등`
* **GCP** ★★★☆☆
  * `GKE, BigQuery, Cloud Storage 등`
* **Docker** ★★★★☆
* **Kubernetes** ★★★☆☆
* **GitLab CI** ★★★★☆
* **Jenkins** ★★★☆☆
* **Prometheus / Grafana** ★★★★☆
* **ELK Stack** ★★★★☆

</details>

<details>

<summary>Databases</summary>

* **MySQL** ★★★★☆
* **AWS Aurora (MySQL)** ★★★★☆
* **Google BigQuery** ★★★★☆
* **MongoDB** ★★★★☆
* **Redis** ★★★★☆
* **PostgreSQL** ★★★★☆

</details>

<details>

<summary>Data Pipeline &#x26; Processing</summary>

* **Apache Kafka** ★★★★☆
* **Apache Spark (Streaming)** ★★★★☆
* **Apache Spark (Batch)** ★★★★☆
* **Apache Airflow** ★★★★☆
* **dbt** ★★★☆☆

</details>

<details>

<summary>Data Visualization &#x26; BI</summary>

* **AWS QuickSight** ★★★★★
* **Google Data Studio** ★★★★☆
* **Tableau** ★★★☆☆
* **Highcharts.js** ★★★★☆

</details>

<details>

<summary>Others</summary>

* **WebSocket** ★★★★☆
* **REST API** ★★★★★
* **Microservices Architecture** ★★★☆☆
* **Swagger** ★★★★☆
* **Postman** ★★★★☆

</details>

***

### **Contact me** <a href="#contact-me" id="contact-me"></a>

* Name : 정수빈
* Email : [judyb0626@gmail.com](mailto:undefined)
* Github : <https://github.com/SoobinJung1013>
* LinkedIn : <https://www.linkedin.com/in/judy-valentine/>
* Medium.com : <https://medium.com/@judy1013>

***

### Timeline

* **2021**&#x20;
  * `Image Style Transfer Service`(Blooming, <mark style="color:$primary;">Silicon Valley Pre-Internship</mark>)&#x20;
  * <mark style="color:blue;">**Unirobotics Intern**</mark>&#x20;
    * <mark style="color:red;">`IoT Sensor Data Pipeline for SmartFactory`</mark>(Okomo)
    * `MES Solution for Manufacturing Processes`(Gravity)
* **2022**
  * <mark style="color:blue;">**Gentle Energy Intern**</mark>&#x20;
    * <mark style="color:red;">`Real-Time Equipment Monitor`</mark><mark style="color:$primary;">(Fatoroid)</mark>
  * <mark style="color:$primary;">`Delivery Fee Sharing Project`</mark><mark style="color:$primary;">(Schoolvery,</mark> <mark style="color:$primary;">Techeer</mark><mark style="color:$primary;">)</mark> &#x20;
  * <mark style="color:green;">Woowahan Study</mark> : hexagonal architecture with spring boot&#x20;
  * <mark style="color:green;">Google Study Jam</mark> : k8s in Google&#x20;
  * `Social Q&A Platform`(Hands Up, <mark style="color:$primary;">Qunova</mark><mark style="color:$primary;">)</mark>
* **2023**
  * `Bookmark Management Service`(Pickly)
  * <mark style="color:green;">Bootcamp Technical</mark> <mark style="color:green;">Mentoring</mark> &#x20;
  * <mark style="color:red;">`Pet Healthcare Project`</mark> (Petdori, <mark style="color:blue;">**Software Maestro**</mark>)  ✨
  * <mark style="color:green;">Junction Asia Hackathon</mark>&#x20;
* **2024**
  * `Serverless Data Pipeline Projects`(Labs, Course Project<mark style="color:$primary;">,</mark> <mark style="color:$primary;">University</mark><mark style="color:$primary;">)</mark>
  * <mark style="color:red;">`Healthcare Project`</mark> (Capstone Des<mark style="color:$primary;">ign,</mark> <mark style="color:$primary;">University</mark><mark style="color:$primary;">)</mark>
* 2025
  * <mark style="color:$primary;">Freelance Project</mark>&#x20;
    * `E-Commerce Platform`(Freelance Project)
  * SQLD(SQL Developer)
  * AWS Certified Solutions Architect - Associate


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