CHANGSUK JEON
DevOps / Node Operator
Seoul
Summary
Results-driven DevOps and Web3 specialist with proven expertise in infrastructure optimization and blockchain community development. Successfully implemented robust security monitoring systems and cloud efficiency protocols for Validator operations, achieving a 25% reduction in infrastructure costs. Established and expanded significant crypto communities, including founding the Korea Ethereum Group and building the Chia community. Delivered comprehensive Web3 technical education to over 300 students, demonstrating strong capabilities in both technical implementation and knowledge transfer within the blockchain ecosystem.
Overview
9
9
years of professional experience
4
4
Certifications
Work History
Technical Instructor - Web3 Development
Nipa Global ICT Innovation
01.2020 - Current
- Delivered comprehensive ICT Innovation Blockchain & Web3 curriculum to 300+ students between 2020 - 2025, focusing on practical skills and industry readiness.
DevOps Engineer
Baryon
01.2023 - 01.2024
- Managed multi-cloud node infrastructure and built tooling (explorers, monitoring, dashboards) to enhance validator performance and network reliability.
Korean Community Manager
GreenCube & Chiabatta
01.2021 - 01.2022
- Led Korea's official Chia blockchain community, Chiabatta.kr — licensed by Chia Network Inc., offering pool services, localized resources, and global ecosystem collaboration.
Backend Developer
DSRV
01.2021 - 06.2021
- Built a custom Web3 wallet for the Celo network by extending MetaMask open-source architecture, leveraging MERN stack and TypeScript.
Backend Developer
Lambda256 (Subsidiary of Dunamu)
12.2019 - 01.2021
- Developed the backend for a wallet and transaction tracking system, operating Ethereum full nodes and building real-time infrastructure to detect abnormal activity and monitor exchange hot wallets.
Web3 Researcher
Korea Ether Research Group
01.2017 - 01.2019
- Pioneered tokenomics research as part of Korea Ether Research Group, conducting deep analysis on ICO projects. Developed evaluation frameworks assessing token utility models and strategic token holder behaviors.
Education
Bachelor's Degree - Business Administration
Konkuk University
Skills
IT Infra
Certification
CKAD: Certified Kubernetes Application Developer
Timeline
DevOps Engineer
Baryon
01.2023 - 01.2024
Korean Community Manager
GreenCube & Chiabatta
01.2021 - 01.2022
Backend Developer
DSRV
01.2021 - 06.2021
Technical Instructor - Web3 Development
Nipa Global ICT Innovation
01.2020 - Current
Backend Developer
Lambda256 (Subsidiary of Dunamu)
12.2019 - 01.2021
Web3 Researcher
Korea Ether Research Group
01.2017 - 01.2019
Bachelor's Degree - Business Administration
Konkuk University