Independent Android and Chrome extension products built, published, and maintained for real users.

Selected Work

Google Play applications

Research, develop, and distribute Android applications as an independent Google Play publisher since 2018.

Outcome: Approximately 100,000 monthly active users.

Java and Fullstack Products

Delivered web, Android, and enterprise software across Java, PHP, Laravel, VueJS, and Low-Code platforms.

Outcome: Built products for US and Japanese customers and contributed to the full delivery lifecycle.

AI-assisted development

Working as a Prompt Engineer since 2024, using AI to develop faster, improve efficiency, and explore new product ideas.

Outcome: Applied modern AI tools, including Microsoft Copilot and Claude Code, to everyday software development.