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Jaeyong Kim - Backend & Cloud Architect

Jaeyong Kim

Backend & Cloud Architect

Solving complex business problems with technology, delivering measurable impact

IoT Fintech EV Charging Mobility Smart Factory

Impact by Numbers

Proven Business Impact

0+
Years Experience
CTO & Tech Lead Experience
0
Domain Expertise
IoT · Fintech · Mobility
0%
Hardware Cost Cut
SaaG Protocol Design
0M
Revenue Recovered
Payment System Optimization

Problem Solving

Featured Projects

Key projects where complex business problems were solved with technology.

Pluglink Tech Lead

M&A Tech Integration (PMI)

Led carve-out for TSA termination. Migrated legacy to API Gateway + Lambda serverless.

Tech AWS Lambda API Gateway DynamoDB +
TSA terminated on schedule, OpEx reduced
Chain Lightning CTO & Co-founder

SaaG Protocol Design

Designed BLE–HTTPS bridge using smartphones as gateways. Eliminated LTE modems in chargers.

Tech BLE Python AWS ECS +
35% hardware BOM reduction, no comm cost
Pierrot CTO

Payment System Refactoring

Applied Celery async queue + Smart Retry, reducing payment processing time by 94%.

Tech Django Celery EKS +
3hr→10min, $250K recovered

Growth Journey

Career Journey

2025

Pluglink

Tech Lead

EV Charging Platform, M&A Tech Integration (PMI)

2024-2025

Pierrot Company

CTO

Electronics Subscription, Payment System, TIPS

2021-2024

Chain Lightning

CTO & Co-founder

EV Charging Mobility Super App, SaaG Protocol, 0→1

2014-2021

Algorima, Moornmo, LINE, SK Planet, etc.

Backend Engineer

AI Platform, Smart Factory, Large-scale Services

Looking for New Opportunities?

Ready for Your Next Challenge?

The more complex the problem, the more interesting it gets. Let's solve it together.