Vignesh Sankar Email & Phone Number

San Jose, California, US

• Designed, analyzed, and implemented new features for Cisco Webex cloud services (SaaS/PaaS), including writing software code, automation, and unit test scripts.
• Optimized and enhanced existing functionalities based on evolving requirements.
• Improved clients join latencies by optimizing REST API client server interactions and reducing extra messages.Implemented media over TLS 443 support using TURN relay service for WebRTC clients.
• Designed a mechanism to upload crash files to AWS for future debugging.
• Handled library migration like Libsrtp, SSL and Python.
• Maintained and supported Webex conferencing media infrastructure services.

Chicago, IL, US

• Designed and developed the Precision Dispatcher System, a Unified Train Control System that coordinates train movement with the base dispatching system and advanced movement planner.
• Maintained and supported services for train clearance, scheduling, tracking, crew management, and positive train control.
• Participated in design discussions for new features and conducted knowledge-sharing and project demo sessions with the team.

Irvine, California, US

Reader for Introduction to Software Engineering Course

Santa Clara, CA, US

• Software development engineer for Coriant 8600 router series.
• Part of the team handling control plane functions of the router.
• Involved in development and maintenance of network protocols like Ethernet Switching, QoS, MPLS, Pwe3 and VPLS for Coriant 8600 Smart Router Series.
• Implemented a major enhancement for VPLS feature to detect and signal warnings when the number of MACs learnt goes above the scalability limit.

Master’S Degree, Computer Science

Bachelor’S Degree, Electronics And Communications Engineering