App Store
5+ apps published
Technical Writing
1K+ saves on Zhihu
I am a software engineer based in Japan with experience across design, development and testing. Outside of work, I build and publish indie iOS apps on the App Store, focusing on productivity and personal growth.
Featured Projects
Project 50
Designed and built a habit tracking app with notifications, import/export workflows, progress analytics, and local AI-generated summaries.
Easy Words
Built an AI-powered vocabulary app with Apple Foundation Models, offering word explanations, example sentences, and image generation.
Arcana Path
Creating a tarot card app with AI-powered interpretations, custom cartoon-style visuals, and carefully crafted card animations.
Skills
Backend
Java-based web systems with Spring, REST APIs, and PostgreSQL
iOS
Native Apple apps with SwiftUI, SwiftData, SpriteKit, and Foundation Models
Frontend
Interactive web interfaces with TypeScript, React, Vue, and Angular
Cloud & DevOps
Cloud-native development with AWS, Azure, Google Cloud, Docker, and CI/CD
Engineering Fundamentals
Algorithms, system design, Linux, Git, GitHub, and maintainable code
Professional Experience
Banking / KYC System, 2025 - Present
Worked on a banking system related to KYC workflows, focusing on batch job design, development, testing, resource management, and release operations.
Credit Card System, 2023 - 2024
Worked on a Java/Spring-based credit card system, mainly responsible for basic design, detailed design, and backend development.
- Created basic and detailed design documents.
- Implemented backend features with Java and Spring.
Certifications & Learning
Always learning through certifications, courses, and hands-on practice