C++ Software Engineer | Optimization SDKs, Cross-Platform Systems & Developer Infrastructure

Developed MindOpt's multilingual SDK ecosystem across C/C++, Python, Java, C#, and MATLAB, including API design, modeling features, and compatibility with established optimization workflows.

Built cross-platform CMake, dependency management, CI/CD, and release workflows for Windows, Linux, and macOS on x86 and ARM. Reduced Linux ARM automated build time from 2 hours to 6 minutes and Python SDK packaging time from 10 minutes to 3 minutes.

Implemented deferred model updates with 96% unit test coverage and developed gRPC services with concurrent clients, streaming logs, and asynchronous jobs.

Delivered automated testing, containerized distributed test infrastructure, offline deployment packages, and licensing systems for enterprise software.

Developed C++/Qt client automation and audit components for privileged access management software, including automatic login, keyboard activity auditing, and access controls.

Designed and implemented a PAM-based unified authentication module with APIs for other languages and support for local authentication, TOTP, tokens, SMS, WeChat, LDAP, RADIUS, and fingerprint authentication.

Developed RDP, SSH, Telnet, Rlogin, and VNC proxies for session auditing, blocking, and alerting; added command preprocessing, automated privilege elevation, and batch operations.

Submitted a PuTTY pull request to fix a Windows Telnet password handling issue.

Implemented approximately 35% of a business database migration from PostgreSQL to MySQL. Optimized the persistence and restoration of resource-tree selection state in a web-based host management module.

Implemented browser login automation with Selenium and maintained the underlying RDP proxy component.