Trend Micro, Engineer, Oct 2021 ~

• Resolved Product Issue: Handled product issues when users reported their concerns about the product. Found the root cause and provided the solution to the end user to make sure they would keep using our product and feel satisfied.
• Product CI/CD: Using GitHub Action to trigger product build and deploying package when the package is output successfully.

BlockChain Security Corp, Programmer, May 2020 ~ Oct 2021 

• Developed Web App Penetration Testing Platform: Developed a website on Internet Information Services (IIS) using .NET Framework. Built databases to store user data, penetrating data, and penetrating syntaxes on a SQL Server. Integrated APIs of third-party penetration testing tools, e.g. ZAP and SQL Map. Solved the load balance and the upper limit issues of ZAP scanning using multi-threading. 
• Maintained Endpoint Detection and Response (EDR) tool: Maintained the Desktop application which collects the traces and the connection status in the memory. Packed and compressed multiple files to help simplify the end-point tasks. Redesigned the Client-server model to optimize the network connection and data collection tasks between the server and clients.

DynaColor, Programmer, Oct 2019 ~ Mar 2020 

• Maintained Media Streaming Server: Solved the RTP/RTSP connection issues. Learned the codec concepts of H264, H265, and MPEG to ensure the quality of media streaming.

SYSTEX, Programmer, Sep 2017 ~ Oct 2019

• Developed and maintained the Quoting System: Developed the hosts which collect quote information from other exchanges. Processed and dispatched real-time quote info, commodity prices, and international financial news in multiple formats. Developed a Socket tool to help troubleshoot. It simulates the overall system architecture and if there are any errors occurred, we can fix the problems more quickly.
• Technical Support: Delivered on-site training, identified new customer demands, and troubleshoot their issues.
• Developed Broker Gateway: Implemented different functions required for placing a stock order with the mobile application, such as login, query, account inquiry, order placement, payment voucher, and active return. To better manage and monitor the system, each function is developed into a module and uniformly monitored by a specific model. And the monitoring model can manage each module with multi-threading and communicate with them using MSMQ