Serhii Usenko

Owned quality validation for monthly OTT releases of premium streaming applications on Linux-based IPTV and DVB-C set-top boxes, covering smoke, functional, and regression testing. Identified, triaged, and tracked 10-20 defects per release, including high-severity playback and integration issues.

Owned quality validation for bi-weekly releases of a multi-environment OTT digital advertising platform, executing functional and exploratory testing across 10-15 core workflows per release. Applied risk-based regression strategies and validated end-to-end data flow using SQL and data verification.

Validated releases of the Verizon Fios TV platform, supporting Live TV, VOD, DVR, and PPV features across set-top boxes and streaming devices. Executed smoke, functional, regression, UI, and usability testing across multiple device models, ensuring feature stability prior to release.

Designed and executed requirement-based test cases for a large-scale internet and TV provider. Analyzed server and set-top box logs to troubleshoot playback, stability, and integration issues.

Supported bi-weekly and feature-driven releases of the T-Mobile TV App, enabling users to stream content without a physical TV box. Executed functional, regression, sanity, stress, scalability, and usability testing across mobile and streaming platforms, and designed REST and SOAP API tests using Postman and SOAP UI.

Executed functional and regression testing for web and native mobile applications (iOS, Android). Created and maintained test cases and test documentation based on business requirements, and reported and tracked defects using Jira.

Validated online banking features across web and mobile platforms, including payments, deposits, and loan functionality. Tested and supported Apple Pay and Android Pay integration, and performed functional, regression, and GUI testing.

Earned a Master's Degree in Computer Science.

Completed certification courses in Software Quality Assurance, covering manual and automated testing.