Konstantin Pasichnichenko

Simplified tracking of physical letters with a letter-sending service. Passed VISA and MasterCard certification to enable POS payments. Integrated payment systems (WeChat, Alipay+) and Alipay+ with POS terminals. Launched integration with an external financial accounting service. Improved financial reporting for merchants and pament systems.

Developed and deployed a VoIP PBX system along with a billing system to streamline customer invoicing and electronic financial data exchange, significantly reducing manual work. Designed and implemente the Data Center hardware infrastructure, including hardware installation and resolution of legal requirements with goverment authorities. Installed a monitoring system and developed spam and intrusion prevention solutions, enabling the companyto operate with minimal human intervention.

Designed a data warehouse for the Virtual PBX system powered by Asterisk. Developed a power monitoring system for the Data Center. Introduced SCRUM to the software development department, streamlining processes and enchancing efficiency. Created an internal project documentation repository, improving interdepartmental communication. Developed a distribiuted public HotSpot solution using WiFi routers, enabling expansion into new market segments.

Implemented in tight timeframe fully functional multithreaded DHCP server with online configuration for company's LANBilling product, deployed to high-volume ISP. Profiled and optimized existing database schema in MySQL. Designed new schema for storing IPTV project data.

Designed and deployed fault-tolerant mail-server cluster with NAS, reduced cost of adminstration and ownership. Reimplemented speed-critical parts of IP billing system in C to increase efficiency. Developed next generation of CRM to track company business processes improving efficiency of the company. Hired system administrators and programmers to offload some tasks and duties and increase reliability.

Developed and launched a billing system (IP and then VoIP traffic) for company, with financial analytics and reports, automatic charging and invoices generation and digital data exchange. Developed and launched custom ticketing system, company knowledge base (Wiki), hardware inventory database, Monitoring and alerting system. Developed secure sites hosting wirehouse. Repelled few DDoS attacks with the team.

Customers system support, general troubleshooting, scripting for company. Developed and launched system for smart automatical open-relay detection and spam prevention system. Developed and launched voice messages streaming/broadcastig for Monitoring system.

Designed new routes to various chemical structures, used to be tested for drug activity. Developed new route to substances to make wide combinatorial libraries.

Engineering and programming of POS Terminals, Hardware and software application development tools for terminals Nurit 8000

Organic synthesis, Medicinal chemistry, Drug design, SAR, Computational chemistry and chemistry databases, Combinatorial chemistry, Inorganic chemistry, Analytical chemistry, Physical chemistry, Organic synthesis planning.