Dongjin Kim
DevOps Engineer at Toss Bank
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolDongjin Kim is a DevOps engineer with 9 years’ experience designing and operating cloud-native infrastructure for financial services, currently focused on scalable Kubernetes and CI/CD at Toss Bank in Seoul. He built secure, compliant Kubernetes ecosystems and GitOps pipelines at Kakaobank, integrating ArgoCD, dex SSO, Terraform-driven EKS, and monitoring/tracing stacks tailored to strict regulatory environments. Comfortable across IaC, container orchestration, and networking, he has hands-on experience with Terraform/Ansible/Packer automation, AWS multi-account design, and advanced deployment strategies like argo-rollouts and blue/green. Dongjin also brings a pragmatic product mindset from earlier roles in backend, mobile, and even running a small café, which shaped his customer-focused operations approach. He is particularly adept at bridging security and developer productivity by operationalizing admission controls, IRSA, and observability for high-compliance clouds.
9 years of coding experience
7 years of employment as a software developer
Bachelor of Science in Engineering, Electrical and Electronics Engineering, Bachelor of Science in Engineering, Electrical and Electronics Engineering at Kyungpook National University
Github Skills (52)
debugging10
ssl10
charts10
http-header10
proxy10
websocket10
fiddler10
security10
ja310
mitmproxy10
man-in-the-middle10
kubernetes9
python9
http-proxy9
http9
Programming languages (10)
Github contributions (5)
dev-chulbuji/devops_sample_app_python
Jul 2021 - Jan 2022
Contributions:1 PR, 294 pushes, 3 branches in 6 months
dev-chulbuji/TIL
Dec 2018 - May 2021
Contributions:76 pushes, 1 branch in 2 years 5 months
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