Senior Software Engineer

• Jan 2019 - Present

Java Software Developer

• Apr 2016 - Jan 2019

Java Software Engineer (part-time)

• Nov 2015 - Mar 2016

responsible for maintaining and optimization of different crawlers, updating their APIs, investigating of problems and bugs fixing

Junior Java Developer

• Sep 2015 - Mar 2016

Software Developer, SEO manager

• Jan 2015 - Aug 2015

- maintaining of crawling process of different social networks for the client (Google+, Vkontakte, Facebook, Twitter, Instagram, Yandex, etc.), adapting of social networks APIs, fixing bugs (java, spring, maven, git, solr, redis, oauth) - websites maintaining: performance and SEO optimization (joomla k2, opencart). - maintaining of crawling process of different social networks for the client (Google+, Vkontakte, Facebook, Twitter, Instagram, Yandex, etc.), adapting of social networks APIs, fixing bugs (java, spring, maven, git, solr, redis, oauth) - websites maintaining: performance and SEO optimization (joomla k2, opencart).

2nd cat. NSS engineer

• Nov 2009 - Dec 2014

- Development of Core Network statistics collecting software (Java); - Maintenance and administration of departments servers; - Administration, operation and new functions development of departments internal web-server, used for collection, processing and storage of data from different control systems and network elements, displaying statistics of different net element’s functional parameters, and for maintaining of error reports system on NSS equipment; - Administration and maintenance of network element control systems from Nokia Siemens Networks, Huawei, Alcatel Lucent Technologies, Sitronics (usage – network elements operation, network elements alarm monitoring, statistics collection, user access control) - Cooperation with vendors for solving equipment/software problems - Development and implementation of user access policies to network elements (Security Database); - Acceptance tests of new equipment Show less

NSS engineer, roaming operation group

• Dec 2006 - Nov 2009

Quality testing of roaming service for visitors in home network and for our subscribers in roaming partners networks; investigation and resolving communication issues; cooperation with roaming partners Quality testing of roaming service for visitors in home network and for our subscribers in roaming partners networks; investigation and resolving communication issues; cooperation with roaming partners

Customer Service Expert

• Jan 2005 - Dec 2005