Amidst the many feature-rich super apps, I am conducting the "Small App Project" to study the significance of "small apps" that prioritize simplicity for users.[Small App] Scheduler:https://apps.apple.com/app/id6467635137[Small App] Money Keeper:https://apps.apple.com/app/id6514279917[Small App] Reminder:https://apps.apple.com/app/id6444939279

- Led and designed the backoffice project. This long-term project, running from February 2023 to December 2023, maximized operational efficiency and improved mentoring service quality.- Proposed and designed a design system.- Participated in the 'Product Policy Changes and Subscription Renewal Payments' project, contributing to revenue growth and stable cash flow.- Designed AI GPT mentor properties, contributing to the acquisition of new customers.- Developed voice scripts for… Show more - Led and designed the backoffice project. This long-term project, running from February 2023 to December 2023, maximized operational efficiency and improved mentoring service quality.- Proposed and designed a design system.- Participated in the 'Product Policy Changes and Subscription Renewal Payments' project, contributing to revenue growth and stable cash flow.- Designed AI GPT mentor properties, contributing to the acquisition of new customers.- Developed voice scripts for the LMS (Learning Management System) and designed onboarding processes post-payment, enhancing the customer mentoring experience.- Redesigned the tech blog to strengthen SEO, resulting in increased organic traffic. Designed and created guides for the CMS (Content Management System).- Improved the signup flow, increasing the signup rate from 18.1% to 44.5%, with the email signup completion rate rising from 36.1% to 65.2%, a 29.1%p increase (1.8x growth).- Introduced a culture of QA, sync-ups, and PRD (Product Requirements Document) writing. Show less

- Led the design and development of the secondhand luxury platform's Web, iOS app, and Android app.- Established a foundation for product and marketing data analysis using Amplitude.- Built and managed the product team.

- Improved user registration rate from 27.9% to 85.2%.- Introduced a data-driven sprint process.- Led the implementation of the "Search by Photo" service, increasing the KPI for new users utilizing the service from 9.7% to 21%, resulting in approximately 3.5 times growth in MAU.- Launched an online coordination service, generating the first revenue.

- Planned, covered, and wrote articles for the monthly magazine "Math Dong-A," contributing to the publication of 36 issues.- Conducted a feature article on "Sinkholes" supported by the Korea Press Foundation, including interviews with geological science institutes in France and Germany.- Led the "Math Empathy" project independently, supported by the Korea Foundation for the Advancement of Science and Creativity.- Participated in the team project "SW Leading Schools," also supported… Show more - Planned, covered, and wrote articles for the monthly magazine "Math Dong-A," contributing to the publication of 36 issues.- Conducted a feature article on "Sinkholes" supported by the Korea Press Foundation, including interviews with geological science institutes in France and Germany.- Led the "Math Empathy" project independently, supported by the Korea Foundation for the Advancement of Science and Creativity.- Participated in the team project "SW Leading Schools," also supported by the Korea Foundation for the Advancement of Science and Creativity.- Operated the "Game Cafe" event for Math Dong-A. Show less