Vasyl

VASYL SUDIAKOV
Senior Software QA Engineer (API / High-Load / SaaS)

Kyiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | Telegram: @StahlHerzoG

PROFESSIONAL SUMMARY

Senior QA Engineer with 8+ years of experience in testing high-load, data-intensive web and
mobile systems. Strong expertise in API testing, backend validation, database verification,
and CI/CD integration within Agile environments. Skilled in ensuring release stability through
regression strategy optimization and deep root-cause analysis.

CORE COMPETENCIES

●​ API & Backend Testing: REST (GET, POST, PUT, PATCH, DELETE), Postman,
Swagger.
●​ High-Load & Data Systems: SQL (MS SQL, PostgreSQL, ClickHouse), Kafka,
Kibana.
●​ Testing Types: Functional, Non-Functional, Regression, Smoke, API, Performance.
●​ Design & Mobile Tools: BrowserStack (cross-browser/mobile), Figma (UI/UX
verification).
●​ Tools: Jira, Confluence, Azure DevOps, Jenkins, Git, DevTools, Qase.io.
●​ Automation & Performance: Ranorex (codeless), Apache JMeter, basic Python.
●​ Methodologies: Agile, Scrum, Kanban.

PROFESSIONAL EXPERIENCE

Senior Software QA Engineer

PAR Technology Corporation | Sep 2019 – Dec 2025

●​ End-to-end API testing (GET, POST, PUT, PATCH, DELETE) for high-load SaaS
platform.
●​ Backend validation via SQL (MS SQL, PostgreSQL, ClickHouse) and Kafka-based
event validation.
●​ UI/UX testing and layout verification using Figma to ensure implementation matches
design.
●​ Mobile application testing (iOS/Android) and cross-browser validation using
BrowserStack.
 ●​ Regression & release validation and CI/CD integration testing.
●​ Automated test cases using Ranorex (codeless) to increase testing efficiency.

Quality Assurance Engineer

Dynamo Development, Inc. | Jul 2017 – Aug 2019

●​ Functional, smoke, and regression testing for web and mobile applications.
●​ API and backend validation (front and back end).
●​ Managed full cycle of test documentation: writing test cases, checklists, and bug
reports in Jira.
●​ Participating in daily meetings on all SDLC stages.

QA Engineer

Skifia.biz | Apr 2014 – Nov 2016

●​ Manual testing of e-commerce web applications.
●​ Conducted functional, regression, and load testing.
●​ Preparation of test plans, test cases (checklists), and bug reports in JIRA.

EDUCATION

Psychology (Medical Psychology) Interregional Academy of Personnel Management, Kyiv
Sep 2004 – Jul 2008

Laboratory Diagnostics First Kyiv Medical College, Kyiv Sep 1994 – Jun 1996

COURSES

●​ Basic software testing module, QALight (2014).
●​ Automated Testing (Selenium/Java), QALight.