Back-end at the core, front-end without borders. Experienced across B2B platforms, e-commerce, and finance.
I believe a developer is someone who solves problems and communicates through software,
creating and expanding sustainable business.
Never done learning — the boundaries of this stack keep expanding.
Java
Spring Boot
Node.js
NestJS
Express
JavaScript
HTML5
CSS3
Oracle
MySQL
MSSQL
JPA · Hibernate
Git
SVN
Spring Security
Thymeleaf
Vue.js
React
AWS
Azure
Docker · Compose
Redis
MongoDB
Jenkins
GitLab CI/CD
OKD · OpenShift
Nginx
HerokuThree domains: manufacturing B2B platforms, group e-commerce, and finance interfaces.
Demand–supply company matching & mentoring, used-equipment marketplace, bulk data ingestion via Open APIs, dashboards and a notification template system — built and operated.
SAML SSO, EAI data interfaces across affiliates, deployment automation with an AI code-review pipeline, and a product selector launch.
Launched a rental-car introduction & consultation service (₩5–10M monthly revenue), sales statistics for 8 subsidiaries, SMS login authentication (contributed to ISMS certification).
Technical support for corporate cash-management (CMS) clients and financial data interfaces between CMS DB and corporate ERP DB.
Side & SI projects outside of work — built, shipped and operated hands-on. Newest first.
A back office for client database management. Django server-rendered pages with a Tailwind build pipeline.
A static landing page introducing the service. Semantic markup with sitemap/robots for SEO.
Customer-facing web plus an API server for a marketing service — full-stack from planning to operations.
An admin back office for operating the marketing service — customer and service status management.
Real-time location sharing + chat for people meeting up. A solo run from planning to deployment.
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New opportunities and conversations are always welcome.
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