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https://github.com/devkoriel/devkoriel

DevOps Engineer @ Chronicle Labs | AWS EKS, GitOps, & Web3 Infrastructure
https://github.com/devkoriel/devkoriel

Last synced: 3 months ago
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DevOps Engineer @ Chronicle Labs | AWS EKS, GitOps, & Web3 Infrastructure

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README 

          



# 👋 Hi, I'm Jinsoo Heo



Typing SVG









[![LinkedIn](https://img.shields.io/badge/LinkedIn-%230077B5.svg?style=for-the-badge&logo=linkedin&logoColor=white)](https://www.linkedin.com/in/devkoriel/)

[![Twitter](https://img.shields.io/badge/@devkoriel-%231DA1F2.svg?style=for-the-badge&logo=X&logoColor=white)](https://twitter.com/devkoriel)

[![Website](https://img.shields.io/badge/Website-koriel.kr-4A154B?style=for-the-badge&logo=google-chrome&logoColor=white)](https://koriel.kr)

[![Blog](https://img.shields.io/badge/Blog-blog.koriel.kr-FF5722?style=for-the-badge&logo=blogger&logoColor=white)](https://blog.koriel.kr)






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### 💼 About Me



DevOps Engineer @ **[Chronicle](https://chroniclelabs.org)** — the decentralized oracle network securing DeFi protocols.



I own the reliability and infrastructure behind Chronicle's oracle publishing pipeline, ensuring continuous on-chain data delivery across EVM chains. Oracle downtime means DeFi protocol risk, so everything I build is designed for zero-downtime and rapid incident response.



🔭 Building and operating Kubernetes-based oracle infrastructure on **AWS EKS**


🚀 Driving GitOps adoption with **ArgoCD** app-of-apps pattern across multi-environment deployments


📊 Designing the observability platform — **Grafana**, **Mimir**, **Loki**, and **Alloy** — for oracle liveness monitoring


🏗️ Managing infrastructure-as-code with **Terraform**, **Helm**, and IPFS-based immutable configuration


🔥 Leading on-call and incident response for critical oracle infrastructure


🌱 Deep diving into **eBPF** and kernel-level observability


📫 Reach me: **dev.koriel@gmail.com** (personal) | **jinsoo@chroniclelabs.org** (work)



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### 🏢 Experience



Chronicle
2025 — Present



DevOps Engineer — Decentralized oracle network securing DeFi protocols


Kubernetes (EKS) · ArgoCD GitOps · Grafana/Mimir/Loki · Terraform · Helm · Incident Response



Dunamu
2023 — 2025



DevOps Engineer — Upbit, South Korea's largest crypto exchange


Kubernetes (EKS & kOps) · Istio service mesh · Kong API Gateway (Lua plugin dev) · AWS network architecture · SLA/SLO/SLI dashboards (Datadog & Grafana) · eBPF-powered observability · Internal tooling (Go & Python)



PUBG
2020 — 2022



Lead, Network Security / DevSecOps Engineer — PUBG: NEW STATE


eBPF + XDP DDoS protection · Load tested for 10M+ concurrent users · Kubernetes HPA with custom Prometheus metrics · EKS + Terraform + Helm · Istio service mesh · Jenkins CI + ArgoCD CD · Infrastructure optimization at scale



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### 🛠️ Tech Stack



#### Infrastructure & Cloud

![Kubernetes](https://img.shields.io/badge/kubernetes-%23326ce5.svg?style=for-the-badge&logo=kubernetes&logoColor=white)

![AWS](https://img.shields.io/badge/AWS-%23FF9900.svg?style=for-the-badge&logo=amazon-aws&logoColor=white)

![Terraform](https://img.shields.io/badge/terraform-%235835CC.svg?style=for-the-badge&logo=terraform&logoColor=white)

![ArgoCD](https://img.shields.io/badge/ArgoCD-EF7B4D?style=for-the-badge&logo=argo&logoColor=white)

![Helm](https://img.shields.io/badge/Helm-0F1689?style=for-the-badge&logo=helm&logoColor=white)

![Docker](https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge&logo=docker&logoColor=white)



#### Networking & Service Mesh

![Istio](https://img.shields.io/badge/Istio-466BB0?style=for-the-badge&logo=istio&logoColor=white)

![Kong](https://img.shields.io/badge/Kong-003459?style=for-the-badge&logo=kong&logoColor=white)

![Cilium](https://img.shields.io/badge/Cilium-F8C517?style=for-the-badge&logo=cilium&logoColor=black)



#### Observability & Monitoring

![Grafana](https://img.shields.io/badge/grafana-%23F46800.svg?style=for-the-badge&logo=grafana&logoColor=white)

![Prometheus](https://img.shields.io/badge/Prometheus-E6522C?style=for-the-badge&logo=Prometheus&logoColor=white)

![Loki](https://img.shields.io/badge/Loki-F46800?style=for-the-badge&logo=grafana&logoColor=white)

![Datadog](https://img.shields.io/badge/datadog-%23632CA6.svg?style=for-the-badge&logo=datadog&logoColor=white)



#### Languages & Tools

![Go](https://img.shields.io/badge/go-%2300ADD8.svg?style=for-the-badge&logo=go&logoColor=white)

![Python](https://img.shields.io/badge/python-3670A0?style=for-the-badge&logo=python&logoColor=ffdd54)

![Shell Script](https://img.shields.io/badge/shell_script-%23121011.svg?style=for-the-badge&logo=gnu-bash&logoColor=white)

![Lua](https://img.shields.io/badge/Lua-2C2D72?style=for-the-badge&logo=lua&logoColor=white)

![eBPF](https://img.shields.io/badge/eBPF-00ADD8?style=for-the-badge&logo=linux&logoColor=white)



#### Web3 & Blockchain

![Ethereum](https://img.shields.io/badge/Ethereum-3C3C3D?style=for-the-badge&logo=Ethereum&logoColor=white)

![Solidity](https://img.shields.io/badge/Solidity-%23363636.svg?style=for-the-badge&logo=solidity&logoColor=white)



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### 📊 GitHub Stats






![](https://github-profile-summary-cards.vercel.app/api/cards/profile-details?username=devkoriel&theme=radical)









![](https://github-profile-summary-cards.vercel.app/api/cards/stats?username=devkoriel&theme=radical)

![](https://github-profile-summary-cards.vercel.app/api/cards/most-commit-language?username=devkoriel&theme=radical)









![](https://github-profile-summary-cards.vercel.app/api/cards/repos-per-language?username=devkoriel&theme=radical)

![](https://github-profile-summary-cards.vercel.app/api/cards/productive-time?username=devkoriel&theme=radical&utcOffset=9)






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### ⌨️ Weekly Coding Stats



```txt

Total Time: 15 hrs 14 mins



Other   15 hrs 24 mins        ████████████▓░░░░░░░░░░░░   50.27 %

Bash    15 hrs 14 mins        ████████████▒░░░░░░░░░░░░   49.73 %

```



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### 📈 Contribution Graph






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### 🎧 Now Playing






[![spotify-github-profile](https://spotify-github-profile.kittinanx.com/api/view?uid=31riuiuuzhuqhm6gxgdku6et4knu&cover_image=true&theme=compact&show_offline=true&background_color=121212&interchange=false)](https://spotify-github-profile.kittinanx.com/api/view?uid=31riuiuuzhuqhm6gxgdku6et4knu&redirect=true)






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### 💬 Get in Touch






**Open to collaboration on DevOps, Web3 infrastructure, and high-availability distributed systems!**



[![Email Personal](https://img.shields.io/badge/Personal-dev.koriel@gmail.com-D14836?style=for-the-badge&logo=gmail&logoColor=white)](mailto:dev.koriel@gmail.com)

[![Email Work](https://img.shields.io/badge/Work-jinsoo@chroniclelabs.org-0078D4?style=for-the-badge&logo=microsoft-outlook&logoColor=white)](mailto:jinsoo@chroniclelabs.org)






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