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Hi, I’m KyuMin Jeong. I’m an infrastructure engineer with 15+ years of hands-on experience designing, building, and operating production-grade distributed systems across multi-cloud environments. I specialize in cloud architecture reasoning, IaC design, deployment workflow engineering, and failure mode analysis for systems where reliability directly affects financial outcomes. I enjoy mentoring engineers, delivering architecture workshops to enterprise teams, and translating complex system reasoning into actionable guidance. My work spans blockchain infrastructure, fintech platforms, and enterprise cloud solutions for Samsung Electronics, SK Hynix, KT, and Woori Bank. I love automating operations with Python, Go, and Bash to improve reliability, safety, and speed of delivery.…Hi, I’m KyuMin Jeong. I’m an infrastructure engineer with 15+ years of hands-on experience designing, building, and operating production-grade distributed systems across multi-cloud environments. I specialize in cloud architecture reasoning, IaC design, deployment workflow engineering, and failure mode analysis for systems where reliability directly affects financial outcomes. I enjoy mentoring engineers, delivering architecture workshops to enterprise teams, and translating complex system reasoning into actionable guidance. My work spans blockchain infrastructure, fintech platforms, and enterprise cloud solutions for Samsung Electronics, SK Hynix, KT, and Woori Bank. I love automating operations with Python, Go, and Bash to improve reliability, safety, and speed of delivery.

KyuMin Jeong

Architect, Back-End Developer, DevOps Developer, +1

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Hi, I’m KyuMin Jeong. I’m an infrastructure engineer with 15+ years of hands-on experience designing, building, and operating production-grade distributed systems across multi-cloud environments. I specialize in cloud architecture reasoning, IaC design, deployment workflow engineering, and failure mode analysis for systems where reliability directly affects financial outcomes. I enjoy mentoring engineers, delivering architecture workshops to enterprise teams, and translating complex system reasoning into actionable guidance. My work spans blockchain infrastructure, fintech platforms, and enterprise cloud solutions for Samsung Electronics, SK Hynix, KT, and Woori Bank. I love automating operations with Python, Go, and Bash to improve reliability, safety, and speed of delivery.…Hi, I’m KyuMin Jeong. I’m an infrastructure engineer with 15+ years of hands-on experience designing, building, and operating production-grade distributed systems across multi-cloud environments. I specialize in cloud architecture reasoning, IaC design, deployment workflow engineering, and failure mode analysis for systems where reliability directly affects financial outcomes. I enjoy mentoring engineers, delivering architecture workshops to enterprise teams, and translating complex system reasoning into actionable guidance. My work spans blockchain infrastructure, fintech platforms, and enterprise cloud solutions for Samsung Electronics, SK Hynix, KT, and Woori Bank. I love automating operations with Python, Go, and Bash to improve reliability, safety, and speed of delivery.

Available to hire

Hi, I’m KyuMin Jeong. I’m an infrastructure engineer with 15+ years of hands-on experience designing, building, and operating production-grade distributed systems across multi-cloud environments. I specialize in cloud architecture reasoning, IaC design, deployment workflow engineering, and failure mode analysis for systems where reliability directly affects financial outcomes.

I enjoy mentoring engineers, delivering architecture workshops to enterprise teams, and translating complex system reasoning into actionable guidance. My work spans blockchain infrastructure, fintech platforms, and enterprise cloud solutions for Samsung Electronics, SK Hynix, KT, and Woori Bank. I love automating operations with Python, Go, and Bash to improve reliability, safety, and speed of delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Korean

Fluent

English

Advanced

Work Experience

Senior Infrastructure Engineer (Team Lead) at 23Labs (Initia Foundation)

October 1, 2025 - January 31, 2026

Owned production platform architecture for a global blockchain API platform on GCP, balancing latency sensitivity, cost predictability, and failure isolation. Redesigned network topology to isolate failure domains; automated storage orchestration on Kubernetes for 200+ production volumes; built GitOps-based deployment workflows; achieved 65% cloud cost reduction (~$240K annually) while improving reliability.

Senior Software Engineer at AIM (B2C Fintech)

January 1, 2025 - September 30, 2025

Operated backend and infrastructure for a consumer fintech application with on-call production responsibility; improved deployment safety through monitoring enhancements and safe change practices.

Senior Infrastructure Engineer (Team Lead) at B-Harvest

June 1, 2021 - August 31, 2024

Architected multi-cloud infrastructure across AWS, GCP, Azure, and bare-metal; designed and operated distributed backend systems handling tens of thousands of requests per second; built observability pipelines; led high-severity incident responses; standardized provisioning with Terraform and Ansible; achieved 99.95% uptime across 40+ production networks with zero critical failures over 3 years.

Technical Solution Architect (Cloud, DevOps) at IBM Korea

February 1, 2017 - March 31, 2021

Customer-facing Cloud & DevOps architect for Samsung Electronics, SK Hynix, KT, and Woori Bank; led Cloud Management Platform projects with multi-tenant provisioning and governance; delivered architecture workshops and troubleshooting sessions; designed CI/CD platforms bridging legacy constraints with cloud-native patterns.

Infrastructure Specialist at IBM Korea

February 1, 2015 - January 31, 2017

Built private cloud and data center infrastructure; designed hybrid environments with environment isolation and resource governance; acted as a technical bridge between infrastructure platforms and application deployments; supported enterprise clients through hands-on system integration and architectural guidance.

Software Engineer at IBM Korea

January 1, 2010 - January 31, 2015

Developed backend systems for IoT platforms, energy management, and healthcare applications; designed high-performance data ingestion and processing components across distributed systems; built operational tooling and automation using Python and Bash.