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Андрей Дементьев

@andrey-dementev

Middle QA Engineer

Worked in test automation and backend development at major Russian tech companies.

About

My largest projects built from scratch include geotargeting for Yandex Music's homepage, test user caching for Avito's end-to-end tests, and an automated test profiling tool. I supported features from design through rollout, testing across all application layers and improving team processes.

Career

Experience: 1 years

Experience

QA Engineer in a cross-functional product team

Avito Jobs

Avito is one of Russia's largest online classifieds platforms, and Avito Jobs is its employment service for job seekers and employers.

Feb 2026 — Nov 2026

Led testing for product features, cut e2e test runs sixfold with company wide adoption of test user caching, reduced flaky tests to about 5%, and set canary releases for 8 microservices.

• Served as the test lead for the team's features, developing a test model based on the testing pyramid. • Contributed to the launch of several large-scale A/B experiments, identifying issues that directly affected business metrics. • Stabilized end-to-end (e2e) tests, particularly payment scenarios, reducing the flaky test rate to approximately 5%.

Developer in a backend product team

Yandex Music

Yandex Music is a major Russian music streaming service, with music and podcasts available through Yandex's broader digital ecosystem.

Jun 2025 — Sep 2025

Worked on backend features and testing, including building city based homepage geotargeting for Yandex Music from design through rollout.

• Expanded test coverage with unit and automated end-to-end tests. • Built geotargeting for the Music landing page from scratch, from design through implementation, testing, and rollout. The service's homepage content now varies by the user's city and can be configured through the admin panel. • Contributed to migrating the content admin panel for tracks, albums, artists, and other content to a new technology stack, improving the user experience for content managers. • Refactored the monolithic application. • Was one of the first team members to use an AI agent for writing code.

Education

Software Engineering

Voronezh State University

Skills

PostmanTypeScriptGoCodeceptJSPlaywrightProxymanCharlesDevToolsAtlassianJava SpringMongoDBJUnitMockitoPostgreSQL