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Valentina Fedosenko has a diverse work experience in various roles within the technology industry. Valentina is currently working as a Tech Analyst at Appcast, Inc. Their responsibilities in this role are not specified in the provided information.

Before joining Appcast, Inc., Valentina worked at LLC “Lifetech” (Turkcell Group) for nearly nine years from November 2012 to July 2021. Valentina held the position of Engineer Software and was responsible for tasks such as generating corporate subscriber accounts, creating and sending requested invoices or reports, and reconciling balances in billing.

Prior to that, Valentina worked at LLC Internet Technologies and Systems as a Technical Programmer. Their responsibilities in this role involved receiving customer requests for technical support, resolving support calls, providing advice on OS and network protocols, and handling incidents until they were resolved or escalated to the IT department.

Valentina also gained experience as a Software Engineer at "BESK" from October 2011 to November 2012, and as an Engineer-Programmer at ZAO “BEST” from April 2009 to October 2011.

At the beginning of their career, Valentina worked as a Content Manager at Internet-project “Butik2.ru” in January 2008-March 2008.

Overall, Valentina Fedosenko has extensive experience in software engineering, technical support, and account management within the technology industry.

Valentina Fedosenko attended Belarusian State University of Informatics and Radioelectronics from 2004 to 2009, where they studied Multichannel telecommunication systems. In addition to their degree, Valentina has obtained several certifications. These include a Certificate of the course "Business Intelligence" from TeachMeSkills in August 2021, Software testing from Stormnet Technologies in February 2020, "Основы Red Hat Linux" from Центр знаний ЧОУП in September 2012, HC577S Project Management Fundamentals from HP in July 2012, ITIL v.3 – базовый курс from ЗАО "БЕСТ" in February 2012, OSS RC System Administration Core from Ericsson in May 2011, SASN Operation and Configuration from Ericsson in May 2011, Multi-Service Proxy (MSP) 5.2 System Administration from Ericsson in April 2011, and Основы SQL from Центр знаний ЧОУП in August 2010.