On Dec. 31, 2024, I was promoted to Staff Engineer.2024, independently led a team for two months due to emergency situations.cart refactory> reduce the queries> use Rails.cache and thread to speed upbug fixwebsite Maintenancementor new hire

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Rails=>Designed RESTful Api for collecting all of the data of the sogigo inspection app, the highest request might be 30,000 requests per hour.DB schema design and ensure the query time would be 50 milliseconds on average.Reduce the transmission time to at most 300 millisecond for each api via cache control, DB r/w times control, code performance enhancement. Developed webview for app and controlling state, including billing system (ECPay, Cathay United Bank).Communicate with different companies and customize systems for them.Website security design.Android=>Developed sogigo Android app of early version.App data flow performance enhances hardware/sensor control. Purposed a project called BenchMaster and helped my company to earn about 5 grands U.S dollars.Purposed and designed a phone auto receiving app for sogigo inspection by kotlinPurposed and designed an app to help my colleague find the cell phone in storehouse by kotlin.Others task=>BenchMaster ios version by objective CDeveloped the web spider to crawl almost 40 websites all over the world by pythonDesign the UI test for sogigo website by selenium(python).Design the app test for sogigo app by appium(python).

Take web case job at home.Do some leisure task with friends.

Developed Android app 。Game flow enhances.。Optimized app memory used.。Optimized app performance.。Game engine debug and enhance.。Game DB designed。communicate with server site.