Reiwa Travel, Inc.

03/2025

🚀 Implemented a map-based tour search feature, enabling customers to find tours based on the location of their hotels for a more intuitive search experience.

🛠️ Successfully led the migration to TCA’s @ObservableState, using Devin and Cursor to automate the process. I created a migration guide and fed it as context to the AI agents, enabling efficient migration and sharing knowledge with the team members .

02/2025

🚀 Developed a feature that displays filter categories in a ListView, aiming to help users better recognize and understand the types of filters available for refining their search.

01/2025

⚒️ Introduced a Feature Flag system for A/B testing and trunk-based development.
🚀 Developed functionality enabling users to refine search results based on filters generated by AI, enhancing search relevance.

🚀 Developed a feature that remembers and preloads the filters used during the previous session on the filtering screen of a hotel, improving user convenience and search efficiency.

12/2024

⚒️ Modified the CI pipeline to automatically specify the MARKETING_VERSION, which had previously been set manually. This prevented conflicts that used to occur when multiple release branches exist simultaneously.

11/2024

⚒️ To adopt TCA’s new @ObservableState architecture, I eliminated the use of viewState and replaced viewStore.send calls, resulting in a simpler and more modern codebase.
🚀 Reimplemented the hotel reservation form natively, replacing the initial WebView-based approach to enhance the in-app customer experience and improve ease of implementation.

🚀 Developed a feature that remembers and preloads the filters used during the previous session on the filtering screen of a tour, improving user convenience and search efficiency.

09/2024

🔊 Presented a lightning talk on the implementation and challenges of supporting iOS 18 and upgrading to Swift 6.
- https://speakerdeck.com/ryu1sazae/newtniokeruios18dui-ying-nojin-mefang
🚀 Developed a feature that shows the number of matching tours when each filter is applied on the tour filtering screen, improving the customer experience and helping customers make more informed selections.