Особисті дані приховані

DIANA KOSIUK
Junior QA

ABOUT ME
Telecommunications specialist with over 2 years of experience at Kyivstar. I specialize in the certification of mobile
devices, Android and iOS testing, verifying the compatibility of VoLTE, VoWiFi, LTE, and 5G services, and analyzing
technical defects following software updates. I work with international mobile device manufacturers, prepare technical
documentation and training materials, and participate in the launch of new models on the Kyivstar network. Previously, I
worked with corporate B2B clients, where I gained experience in business interactions, coordinating technical issues, and
improving service quality.Motivated QA Engineer eager to grow professionally, develop new technical skills, and contribute
to high-quality software products while continuously learning new technologies and testing practices.

WORK EXPERIENCE
QA Mobile Device Specialist | Kyivstar
CONTACT
May 2025 — present
Phone
• Testing Android and iOS devices after software updates.
[відкрити контакти](див. вище в блоці «контактна інформація»)
• Testing VoLTE, VoWiFi, LTE, and 5G. Email
• Certifying mobile devices and verifying compatibility with the Kyivstar [відкрити контакти](див. вище в блоці «контактна інформація»)
network. Kyiv, Ukraine
• Analyzing logs, traces, and technical defects.
• Collaborating with Apple, Samsung, Google, Xiaomi, Motorola, and ZTE.
• Preparing technical documentation, reports, and training materials.
• Creating device matrices and analyzing data in Excel and Power BI.
SKILLS
• Collaborating with product, technical, and marketing teams. Mobile Device Homologation
B2B Customer Support Specialist | Kyivstar Android & iOS Testing
VoLTE / VoWiFi / LTE / 5G
June 2024 — May 2025
Mobile Network Compatibility
• Providing support to corporate clients.
Technical Issue Analysis
• Working with Bitrix and CRM systems. Product Catalog Management
• Analyzing and coordinating the resolution of technical incidents. Technical Documentation
• Preparing technical documentation and reports. Cross-functional Collaboration
• Contributed to improving service quality. B2B Customer Support
Vendor Collaboration
Sales Consultant | Sota Alliance
Process Improvement
2024
Microsoft Excel
• Advised customers on smartphones and telecom services. Power BI
• Set up mobile devices. Jira
• Worked with 1C and managed inventory. Bitrix
CRM Systems
ADB (Android Debug Bridge)
Microsoft Office

ACHIEVEMENTS
Led the Google Pixel certification process, ensuring support for VoLTE, EDUCATION
VoWiFi, and 5G on the Kyivstar network. Bachelor of History and Archaeology
Oversaw the certification and commercial launch of smartphones from Pavlo Tychyna Uman State Pedagogical University
Apple, Samsung, Google, Xiaomi, Motorola, and ZTE. 2021 – 2025

Coordinated collaboration with international manufacturers and
internal teams during the rollout of new devices and services.
Developed marketing campaigns for the retail network and supported
the launch of new smartphone models.
Created training materials and conducted employee training on new
devices and telecom services.