Iadviga Kosovtseva
@iadvigakosovtseva
I test complex telecom billing systems, APIs, and web applications from requirements to release.
ZimbabweWhat I'm looking for
At Nexign, I work on telecom billing, product management, and BSS/OSS systems, first as a QA Engineer and now as a System Analyst. I analyze requirements, write functional and YAML API specifications, validate integration scenarios, and identify edge cases across complex business logic.
I've performed functional, integration, regression, API, and UI testing for enterprise telecom, web, mobile, and utilities products. Using Postman, SQL/PostgreSQL, Selenium WebDriver, and Selenide, I investigate defects, verify fixes, improve test coverage, and support reliable releases.
Experience
Work history, roles, and key accomplishments
System Analyst
Nexign
Feb 2026 - Present (6 months)
Gather and analyze requirements for billing modules and system integrations. Write functional specifications and YAML API specifications for microservices, and collaborate with architects, developers, and QA engineers to ensure clarity and testability.
Education
Degrees, certifications, and relevant coursework
Saint Petersburg State Electrotechnical University "LETI"
Bachelor, Urban Environmental Safety
Bachelor's degree in Urban Environmental Safety with a specialization in Engineering for Environmental Protection.
Tech stack
Software and tools used professionally
Availability
Location
ZimbabweAuthorized to work in
Job categories
Skills
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