Flutter · Spring Boot · Product Engineering

A Mobile and Backend Developer
Who Ships Real Products

I work across app screens, admin tools, API servers, and release automation as one product flow. I move fast, but I structure systems for real operation.

Contact GitHub

Selected Work

2025.05 - 2025.09

출카

A multilingual used-car export platform. Built the Flutter app, Spring Boot API, and admin web together, including auction and reverse-auction flows.

Flutter
Java
Spring Boot
IAP

2025.07 - 2025.08

트라이프리

A B2B/B2C web service connecting educational experience bookings and settlement flows. Designed the operating flow and reporting structure.

Spring Boot
Thymeleaf
MySQL

2025.08 - Present

정이조 학원관리

Built an academy operations admin that manages franchises, textbooks, payments, and student data in one place.

Admin
JPA
REST API

Experience

Newgenesis

Backend & Flutter Developer · 2025.05.08 - Present

Designed and shipped production services with Flutter and Spring Boot
Implemented multilingual flows, authentication, and Apple in-app purchase validation
Operated a Thymeleaf admin web and API server together

ICTUS

Flutter Developer · 2021.11.08 - 2024.09.06

Migrated a legacy app to an MVVM architecture for better maintainability
Ran release pipelines with GitHub Actions, Fastlane, Jenkins, and Firebase
Built experience across payments, maps, social login, and cloud media integrations

Tech Stack

FlutterDartJavaSpring BootThymeleafJPAMySQLREST APIGitHub ActionsFastlaneJenkinsFirebaseSupabase

Service Pages

Safe House