● Single QA for integrations team responsible for quality of a complex custom logistics project with 6 APIs/gRPCs, 2 mobile apps, 20 services. ● Adapting shift left testing with proper requirements analysis, refinement and improving test coverage by 60% (including automated API tests via Postman). ● Multitasking and prioritization of testing activities. ● Ownership of release planning and post-release metrics observation while managing blockers and dependencies in 28 pipelines. ● Deep defect investigation via logs and database queries (Azure SQL Database, CosmosDB, ADB). ● Testing and releasing numerous migrations and refactorings for 2 mobile apps (Xamarin to Flutter) and 7 .NET services. ● Developed enhanced knowledge of Azure DevOps, App Configurations, Application Insights, Service Bus, Storage Accounts for testing purposes.

● Set up test processes from scratch for a mobile frontend team (iOS and Android) working on an app processing data coming from 15+ service providers. ● Developed a strategy reducing test time and number of defects by 50%. ● Wrote and modified 200+ test cases and test matrixes. ● Performed acceptance and regression tests for 10+ major product releases for iOS and Android. ● Executed ad hoc testing of newly integrated service providers. ● Developed QA procedures and established quality assurance methodologies following overall development and product releases, reducing training and onboarding time by 80%. ● Improved test quality through defect classification and root cause analysis. ● Provided overall guidance and supervision for a QA team of 3. ● Created detailed biweekly status reports for senior management to provide clear picture of overall progress of the product, quality of the same and performance of the test team. ● Developed, built and automated E2E business workflows with internal tools (property-based testing in TypeScript).

● Wrote and executed 150+ test cases and test plans, including test plans for usability, functionality and regression tests for fast-developing music and utilities apps. ● Reviewed manual and automation test scripts to make sure they were in synch with requirement documents. ● Conducted 20+ A/B tests that resulted in a decent increase in subscriptions. ● Tested mediation networks (Admob, Facebook, Vungle, UnityAds, Ironsource, Applovin, Mopub). ● Worked closely with the Monetisation unit (AppsFlyer, Firebase, AppMetrica) with adjusting remote config to follow business interest, including resolving merge conflicts in git.

● Collaborated with 10+ developers, designers and PO on delivering features for desktop, iOS and Android Enterprise Management applications. ● Developed 600+ test plans, increasing overall test coverage by 50%, including UI tests for iOS apps. ● Reviewed user interfaces for functionality and adherence to design guidelines. ● Decreased IT workload by 20% due to improvement of QA processes.