* Designed and implemented secure, multi-threaded C# .NET Core APIs and microservices to support iOS and Android frontends
* Created a time-span-adjustable, user engagement report, including deciding how to collect and store event data, filtering and transforming the data efficiently, and visualizing the report results
* Lead scrum ceremonies to improve processes and team performance
* Integrated with external partners' libraries and frameworks
* Localized for global user base with various languages and time zones