• Developed Virtual Vehicle Test Platform (VVTP), a framework that enabled partially-automated testing of the customer’s call center infrastructure, reducing workloads of test engineers and improving test consistency.• Integrated text-to-speech and speech-to-text support into VVTP, allowing software testing of call center IVRs (Interactive Voice Response) and operators.• Extended and refactored Virtual Agent System (VAS), which simulated a call center operator, and enabled transition to fully automated call center testing. • Led training and Q&A sessions for test engineers using VVTP and VAS, resulting in faster test development and improved practices.

• Enhanced the Ocularis VMS (video management system), improving performance and scalability.• Developed web-based versions of Ocularis, doubling customer base.• Implemented real-time event framework, optimizing user operations with effective camera alerts.• Refactored legacy code, boosting system efficiency and scalability.

• Designed multi-tier system architecture, establishing a foundation for three core software products.• Developed core libraries for data operations, focused on system efficiency.• Created robust RPC system with encrypted communication and access control, ensuring security.• Led development of Athena Archiver, achieving compliance with Sarbanes-Oxley.• Engineered document collection methods, ensuring seamless compatibility with diverse email platforms.• Developed EBNF parser generator and numerous grammars for text and binary document formats.• Optimized document search, providing 500+ complex searchers per second with subsecond latency.

• Designed server software on Solaris/Linux, enhancing data handling for 100M clients.• Integrated software with industry-leading ad systems, providing new advertising options for customers.• Developed sales demo tool, enabling teams to effectively demonstrate product capabilities, boosting client engagement and sales.