Senior Software Engineer at Okta Inc.

Worked on Okta Verify and Device Access, developing with .NET, C#, C++, and WPF.

Senior Software Engineer at Hexagon Mining Inc.

Maintained and enhanced MPAS (Mining Plan-Making Software), a critical tool used globally to optimize mining operations.

Senior Software Engineer at Aurora Aerospace Inc.

Led a 10-person team to develop Ground Control Station (GCS). Designed client-server architecture for GCS; server on .NET Core with MySQL/Entity Framework; client on .NET Framework 4.7.2. Built alpha version; developed single-page site using JavaScript/React with Azure cloud.

Software Engineer at Beijing General Instrument Co. Ltd

Contributed to a leading analytical instruments company, focusing on optics, chromatography, and mass spectrometry. Designed and developed Instrument Control Software for a mass spectrometer; UI in C# and WPF; online shop using JavaScript/TypeScript with MySQL; RESTful API to support online system.

Software Engineer at Kangtuo (Beijing Kangtuo)

Designed and developed an innovative railway detection system to test for cracks in railway lines using C#, WPF, C++, and SQL. System deployed across Chinese railway departments, significantly reducing manual inspections and improving reliability.

Software Engineer at Beijing Simulation

Developed education software to train staff in chemical factories and universities; trained over 15k people between 2003 and 2007. Used VB, C# and Windows Service to develop functions and components.

Staff Software Engineer at Okta Inc.

Led development of Okta Verify and Device Access features, using .NET, C#, C++ and WPF. Designed API and Azure Functions; contributed to a TypeScript/Node.js codebase. Implemented automation and tooling with PowerShell, WMI, Event Log, and ADO; leveraged Kubernetes and Docker; integrated OAuth/OIDC/SAML and HTTPS security; contributed to microservices and CI/CD pipelines.

Senior Software Engineer at Hexagon Mining Inc.

Maintained and enhanced the Mining Plan-Making Software (MPAS), helping clients optimize mining operations. Implemented UI and backend changes using ASP.NET, C++, and C#; migrated portions to Azure services and Functions; built REST APIs; worked on security and OAuth/OIDC; used PowerShell, WMI, Event Log, ADO, Kubernetes, and Docker; integrated OAuth2/OIDC/HTTPS as needed.

Senior Software Engineer at Aurora Aerial Instrument Co. Ltd

Led a 10-person team to develop the Ground Control Station (GCS). Built alpha versions in C# and C++. Designed a client-server architecture with a .NET Core server and a MySQL/Entity Framework-backed database; the client used .NET Framework 4.7.2.

Software Engineer at Beijing General Instrument Co., Ltd.

Contributed to instrument control software for analytical instruments; designed and developed instrument-control software and client-server components. Used C# for instrument controls; built data analysis system with JavaScript/TypeScript and MySQL.

Software Engineer at Beijing Kangtuo

Designed and developed a novel railway detection system for railways using C#, WPF; significantly reduced manual inspection effort (approx. 90%).