Eungchan Kang

Full-Stack • Cloud • Data Platform • DB Performance

Building Scalable Systems from Database to Dashboard

I design multi-tenant SaaS systems, distributed cloud architectures, and production-grade analytics platforms. Strong across backend APIs, database engineering, and Front-end dashboards.

0
Years Experience
0
20+ Projects Delivered
0
% Performance Gain
View Projects Architecture Diagram

About

Full-Stack & Data Platform Engineer with 5+ years of experience across cloud-native backend systems, RDBMS internals, SQL optimization, and analytics dashboard ownership. I deliver end-to-end systems — database aggregation views, ASP.NET Core APIs, and interactive Angular dashboards.

System Architecture Blueprint

End-to-end data analytics platform across application, data, performance, cloud, and observability layers.

Tenants / Organizations Multi-tenant SaaS • Large-scale transactional workloads Application & Delivery Layer REST API • SignalR / WebSocket • Auth • Multi-tenant Isolation Data Platform Core OLTP vs Analytics Separation • Aggregation Views LINQ • EF Core • Raw SQL • Read Optimization Performance & Database Engineering Execution Plan Optimization • Statistics Engineering High-performance Query Tuning • Index Strategy Cloud & Infrastructure AWS • Distributed Systems • HA • Auto Scaling Observability — Logs • Metrics • Tracing • Monitoring

Experience

Career progression across AI, database engineering, and full-stack cloud systems.

Full-Stack Engineer

2024 – Present
Kokomo Solution Inc
  • • Designed multi-tenant SaaS architecture for public institutions.
  • • Owned analytics platform end-to-end (DB aggregation views → API → Angular dashboards).
  • • Optimized MySQL/MSSQL queries, improving performance by ~30%.

Database Engineer

2022 – 2024
Tmax Data
  • • Implemented statistics collection (accuracy 90%+).
  • • Built SQL Tuning Advisor & plan management features.
  • • Delivered SQL tuning & DBA support across enterprises and banks.

AI Engineer

2021
AIWorkx
  • • Built YOLO-based edge detection pipelines.
  • • Implemented segmentation & annotation systems for vision workflows.

Peer References

Kokomo Logo
Cy Lee - Senior Backend Engineer
Kokomo Solutions Inc

“Kane(Eungchan) consistently delivered scalable systems with strong architectural thinking. His ability to optimize complex SQL workloads significantly improved production performance.”

TestWorks Logo
Jae Hun - Senior Database Engineer
Tmax Group

“He approaches database engineering with deep understanding of execution plans and statistics engineering, and has consistently led resolution of critical client-side DB issues — from performance bottlenecks to unstable query plans and production-level incidents.”

My Skills

Skills & Attribute

Languages for Front-end, Back-end, Data-modeling, Database, and Platform Engineering.

Core Capability Map

Design • Build • Optimize • Operate
Languages
TypeScript C# Python SQL PL/SQL C/C++ HTML/CSS Java
DBMS & Data Preprocessing
Oracle MySQL MsSQL Tibero DynamoDB DataBricks DataFactory

Cloud & DevOps

AWS Azure Docker Git

Frontend & Mobile

Angular TypeScript Flutter

Data & BI

QuickSight Power BI

Development Tools

VS Code Vim

Projects

Filter by domain. All cards link to GitHub.

Contact

yeschan119@gmail.com

GitHub LinkedIn