s
seungmin_cloud

Seungmin Lee

@seungmin_cloud
5,0(1)

AWS Cloud Engineer, Production SRE

Coreia do Sul
Coreano, Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
AWS Cloud Engineer and production SRE. 7 years in software, now running AWS for a large SaaS platform (EKS, ECS, Terraform, monitoring, incident response). WHAT I DO - Deploy AI-built apps (Lovable, Bolt, Cursor) to AWS, production-ready - Audit your AWS and Datadog bill and show where money leaks - Check your app for exposed keys, open databases and login gaps - Set up or fix ECS, EKS, RDS, CloudFront, SSL and DNS WHAT YOU GET Working infrastructure, a clear report and a handover doc. HOW TO START Message me with your setup. I'll tell you what fits before you order.... Saiba mais

Habilidades

s
seungmin_cloud
Seungmin Lee
offline • 

Conheça meus serviços

Solução de Problemas e Melhorias
I will audit and secure your vibe coded app or website before launch
5,0(1)
Gerenciamento em Nuvem
I will do AWS cost optimization and reduce your AWS and datadog bill

Portfólio

Experiência profissional

Imweb

Site Reliability Engineer

Imweb • Período integral

Dec 2025 - Present • 11 mos

Run production AWS infrastructure for a large SaaS platform: EKS, ECS, Terraform, CI/CD, monitoring and incident response.

Kakao_Style

Site Reliability Engineer

Kakao Style

Dec 2023 - Aug 2025 • 1 yr 8 mos

• Cut annual compute spend by ₩1B through resource usage analysis and infrastructure optimization: right-sizing requests and limits from DataDog metrics and HPA scaling history, automating off-peak and promotion-window scaling, migrating the fleet to AWS Graviton (ARM), and adopting Karpenter Consolidation • Introduced Istio service mesh and cut annual network cost by ₩200M: migrating all 120 services with a purpose-built Python automation tool, moving ingress from ALB to NLB, enforcing mTLS on internal traffic, minimizing cross-AZ traffic with locality routing, and bringing routing control inside the cluster • Led capacity planning for Black Friday 2024 with zero downtime: pre-sizing pod counts for 120 services from historical metrics and setting hourly scaling policies, supporting a record ₩140B in GMV • Operated Prometheus/DataDog observability and CI/CD pipelines, and served on the on-call rotation

Kasa

Back End Developer

Kasa • Período integral

Dec 2021 - Nov 2023 • 1 yr 11 mos

• Proposed and integrated Singpass MyData, Singapore's national digital identity system, to replace manual KYC • Designed and implemented JWT-based API authentication and authorization, establishing the company-wide permission model • Designed and built the digital securities issuance and trading module: mplementing the subscription–settlement–issuance flow, controlling concurrent transactions with Django ORM locks, and building real-time three-way reconciliation across the internal DB, blockchain, and custodian bank • Codified AWS infrastructure with Terraform and stood up Prometheus/Grafana monitoring and layered AWS WAF/Shield security to satisfy MAS TRM technical requirements • Served as the English-language technical bridge between the Singapore business team and the Korean engineering team

1 Avaliações
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  • Nível de comunicação do freelancer
    5
  • Qualidade da entrega
    5
  • Valor da entrega
    5
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    ashleighwojo

    US

    Estados Unidos

    5

    Seungmin did exactly as I had asked and even more. She is very knowledgeable about her field and knows exactly how to assist her customers. I would highly recommend her for any internet safety business as she is clearly an expert in her field.

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