Yejin Kelly Joo CV

$$ \Huge \textbf {Yejin Kelly Joo} \\ \small Blockchain\ Backend\ Developer $$

📞 +33) 06 64 46 90 72

📍Remote - EMEA | Paris, France

3rd-year Junior Software Backend Engineer who takes much account of clean and secure coding, currently specializing in blockchain platforms and backend engineering.

PROFESSIONAL EXPERIENCE

Blockchain Backend Developer | PILAB Technology, Inc.

Backend engineer of **Bifrost Network** (Layer 1 EVM Blockchain) in charge of:
- Bifrost API Service: gateway API server for external clients
- Multichain Observer: backend server of Bifrost bridge service
- Multichain Airdrop: program to airdrop native coin to newcomers

2022.04 – Present (2y. 11m. ~)

Kotlin, Spring Cloud Gateway, Spring Security, WebFlux

Python3, FastAPI, uvicorn, flask-restx, MySQL, RPC client

Python3, MySQL, RPC client, Contract call

Engineering Intern | IOTCUBE Inc.

Developed NVD data crawling scheduler
Built a Named Entity Recognition model for CVE descriptions

2018.09 – 2019.08 (11m)

Java, Spring Boot, MyBatis, MySQL

NLP, NER, CVE

RECENT PROJECTS

Winner of “Best use of Fhenix Stack 1st place” at ETHGlobal Brussels 2024: <Pet ID: blockchain-based Pet Identity Provider accessible worldwide>

showcase: https://ethglobal.com/showcase/pet-id-86oi1
pitch deck: https://www.canva.com/design/DAGKz9MVwLI/Ql6xyYeIHxisPgIVn1VMmw/view
source code: https://github.com/Pet-ID-Vault/pet-id

Finalist at XRP Ledger Hackathon Seoul 2024, Track 1 dApp Service: <OpenRun: M2E NFT earning social running application>

demo: backend - https://open-run.xyz/swagger-ui/index.html, frontend - https://open-run.vercel.app/
source code: hackathon submission - https://github.com/XRPL-Hackathon-Seoul-2024/openrun, ongoing - https://github.com/open-run/backend
tech stacks: Java 17, ‣, Spring Boot, MySQL, Swagger, Github Action CI/CD