Олександр

Oleksandr Semenov CONTACT INFO

email - [відкрити контакти](див. вище в блоці «контактна інформація»)
QUALITY ASSURANCE ENGINEER telegram - @holkizar

SUMMARY
Quality Assurance Engineer with deep expertise in SaaS product logic and customer experience.
Specializing in end-to-end testing of marketing automation platforms, including billing,
roles/permissions, and account settings. I combine strong manual testing skills with Java/Selenide
automation to ensure stable deployments. Experienced in Agile collaboration, working closely with
Dev and Product teams to maintain high-quality standards

SKILLS
QA Tools: Postman, Swagger/OpenAPI, Selenide, Allure, Chrome DevTools
Test Types / Practices: Smoke Testing, Regression Testing, Exploratory Testing, End-to-End
Testing, Test Design, Bug Reporting, Test Documentation
Automation / CI: Java, UI/API Automation, Jenkins
Databases: SQL, PostgreSQL, DBeaver
Tracking: Jira, Confluence, Git
Monitoring: Sentry, Grafana
Protocols: REST, HTTP/HTTPS, JSON
Operating systems: macOS, Windows

EXPERIENCE
QA Engineer | Selzy
Feb 2024 to March 2026
Responsible for Web/API testing of core modules: Workflow Builder, Campaigns, Billing, and
Roles/Permissions.
Developing and maintaining UI/API automation suites using Java + Selenide
Executing smoke/regression tests; ensuring quality of production releases.
Investigating complex issues using Postman, Sentry, and system logs.
Partnering with Dev/Product teams to clarify requirements and manage bug lifecycles in Jira
Wrote and kept up-to-date test documentation (test cases, checklists) in Confluence
Collaborated on acceptance criteria and edge cases during backlog refinement to prevent gaps
before implementation
Head of Client Services / Support Team Lead | Selzy
Jun 2019 – Feb 2024
Established SLAs and quality standards that improved CSAT and streamlined the product
feedback loop.
Built an escalation governance framework between Support and Engineering for faster bug
resolution.
Acted as a final escalation point for complex issues, providing engineers with detailed bug
reports, logs, and impact analysis.
Identified user friction points through data analysis (NPS/Churn) and collaborated with Product
teams to improve usability.

LANGUAGES
English - B1
Ukrainian - Advanced
Russian - Advanced

EDUCATION
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute"
Equipment of chemical production and building materials enterprises | Specialist’s degree
Sep 2004 — Jun 2012