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Senior
Регистрация: 25.03.2026

Denys Ushakov

Специализация: QA Engineer
— Senior QA Engineer specializing in backend, API, and system integration testing for complex web platforms. — Strong focus on data integrity, reliability of distributed systems, and fast release validation. — Experienced in risk-based test strategy design, API-level automation for fast feedback, and close collaboration with backend and DevOps teams in Agile environments.
— Senior QA Engineer specializing in backend, API, and system integration testing for complex web platforms. — Strong focus on data integrity, reliability of distributed systems, and fast release validation. — Experienced in risk-based test strategy design, API-level automation for fast feedback, and close collaboration with backend and DevOps teams in Agile environments.

Скиллы

REST
gRPC
Postman
Swagger
Playwright
Cypress
Selenium
TestNG
REST Assured
Java
JavaScript
TypeScript
SQL
Testing
Jenkins
GitHub Actions
GitLab CI
Docker
Kibana
Grafana
AWS
Microservices
Event-Driven Systems
Scrum
Kanban
TDD / BDD
Jira
Confluence
TestRail
Git

Опыт работы

Senior QA Engineer
с 07.2020 - По настоящий момент |Proxet
Cypress, Playwright, Selenium, REST Assured, Postman, JavaScript, TypeScript, SQL, MongoDB, AWS, Docker, Git, Jira, TestRail
● Designed and owned test strategy for backend and API layers of web and mobile applications, focusing on critical business flows and system integrations. ● Introduced API and smoke-level automation using Cypress, reducing release validation time by 50% and improving confidence in backend-driven releases. ● Validated REST and gRPC APIs by designing integration and contract-level tests, identifying data inconsistencies and integration issues before release. ● Executed risk-based manual and exploratory testing focused on critical backend-driven business flows. ● Actively contributed to sprint planning by assessing backend dependencies and integration risks, preventing late-stage defects during releases. ● Investigated production issues by analyzing backend logs, API responses, and database states, supporting faster root cause analysis and resolution. ● Mentored new QA engineers and ensured knowledge transfer.
System Test Engineer (Automation)
03.2016 - 06.2020 |EVRY Ukraine
Java, TestNG, SQL, REST, SOAP, Maven, Jenkins, Unix
● Worked with complex, multi-service APIs in distributed system environments. ● Designed and implemented Java/TestNG-based API automation for system-level integration testing. ● Embedded automated testing into Jenkins CI/CD pipelines for faster feedback loops. ● Conducted performance and regression testing of critical APIs in microservice environments. ● Supported Agile sprints with quality metrics and risk assessment.
Senior Test Engineer
05.2014 - 03.2016 |Infrascale
.NET, Selenium, C#, TeamCity
● Tested secure file-sharing solutions (web, desktop, mobile). ● Designed test strategies and created comprehensive test plans. ● Set up and maintained test environments.

Образование

Bioengineering & Pharmaceutical Industry (Магистр)
2001 - 2007
National Technical University of Ukraine, Kyiv Polytechnic Institute'

Языки

АнглийскийВыше среднего