• Develop and maintain Mirapoint Message Server, RazorGate Message Gateway, and RazorSafe Filing Server using Linux/Windows platforms, with a focus on C/C++.• Worked with multiple programming languages (C/C++, Shell, Perl, Python, JavaScript) and technologies like IPMI, MySQL/Berkeley DB, and Dojo/HTML/CSS on Linux/Windows platforms• Develop and maintain both front-end and back-end. Troubleshoot and resolve software bugs, ensuring smooth operation. Collaborate with international operations teams to address and resolve system issues.

• FOAK is a monitoring system for enterprise users within a city, with a system structure based on WiMAX.• Developed and maintained the multi-threading system on Linux using C/C++ and shell scripting, responsible for communication across 5 devices on the TCP/UDP layer, including receiving, processing, and forwarding messages according to different proprietary protocols.• Testing, positioning and maintenance for the developed function. Cooperate with the other team for debug.

• Developed and maintained the MAC layer for ENodeB, a wireless device in the access network based on LTE, using C on Real-time operating systems including VxWorks and Linux, in compliance with 3GPP standards.

• Developed and maintained key functionalities for MGW, including emergency communication, non-destructive upgrades, and MSC POOL load-sharing systems.• Developed signal modules for telecommunication systems on VxWorks using C.• Utilized Agile and Waterfall methodologies for development, including functional documentation auditing, test specification creation, and code review.• Oversaw software enhancement, maintenance, and optimization; provided training, technical support, and new employee onboarding; wrote patents.• Received an "A" rating in the year-end performance evaluation.