Яніна

Yanina Kovalenko

Date of Birth: 14 Jul 1994

📞
Location: Kyiv
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IT Experience: 9+ years
Focus: Backend & Frontend QA | API & Microservices Testing |
End-to-End & Integration Testing | Release Coordination

Senior QA Engineer

Profile

Senior QA Engineer with 9+ years of experience delivering high-quality solutions for complex web and mobile
platforms, with strong expertise in manual testing and full ownership of the QA lifecycle.

Specialized in improving test coverage, optimizing QA processes, and reducing production risks - resulting in
stable products and faster release cycles.

Experienced in API and microservices testing, end-to-end validation, database testing, and AWS-based systems,
with a solid understanding of test automation frameworks, as well as experience testing AI-integrated features
and utilizing AI tools to support automation.

Proven ability to work effectively within cross-functional and international teams.

Professional Experience

Client: Nearshorefriends GmbH (JSMD Group and Regiondo collaboration) | Feb 2022 – Feb 2026

Project: Booking Platform (Microservices + Magento Monolith)

Domain: Travel / Activities Booking Platform

Role: Senior QA Engineer

Responsibilities & Achievements:

● Performed end-to-end testing of a high-load booking platform with a microservices architecture,
ensuring reliable interaction between services
● Owned the full QA lifecycle: test planning, execution, validation, and release coordination
● Validated REST APIs (requests, responses, edge cases) using Postman, Kibana, and Datadog
● Tested migration from a Magento monolith to microservices, reducing regression risks during
decomposition
● Designed and executed risk-based testing strategies for critical booking flows
● Participated in CI/CD pipelines (Jenkins), analyzing automated test results to improve release stability
● Performed database validation (PostgreSQL) to ensure data integrity across distributed systems

● Validated authentication and authorization flows during migration from Auth0 to Amazon Cognito,
including JWT issuance, validation via JWKS and integration with Ory Oathkeeper, resulting in a
unified authorization module serving multiple companies
● Worked across multiple teams responsible for different services in the distributed architecture
● Collaborated with developers, QA, Designers, POs, PMs, and Engineering Managers in Agile
(Scrum/Kanban) environments, within a diverse international team spanning Europe and North
America

Impact:

● Increased release confidence through improved test coverage of critical booking flows
● Reduced production issues by early detection of integration defects

Project: Client-Specific CMS Automation

Domain: Enterprise

Role: QA Automation Engineer

Responsibilities & Achievements:

● Initiated test automation for a client-specific CMS project
● Utilized Cursor AI to structure and develop tests
● Created mock data to simulate database interactions and validated real data flows using PostgreSQL,
ensuring end-to-end accuracy
● Developed unit and integration tests, along with automated workflows, using TestNG, TypeScript,
Vitest, and Postman, ensuring robust test coverage across services

Impact:

● Established foundational test automation, reducing manual effort and improving reliability of core
workflows

Project: AI-powered CMS for website generation

Domain: Enterprise

Role: Senior QA Engineer

Responsibilities & Achievements:

● Performed end-to-end testing of CMS features for dynamic website generation
● Validated data extraction and content rendering to ensure consistency with source layouts
● Evaluated AI-generated content for accuracy, structure, and consistency against expected outputs
● Tested website publishing workflows and frontend rendering (React-based UI)
● Conducted exploratory testing to uncover inconsistencies in AI outputs
● Collaborated closely with developers to enhance system reliability and address edge cases

Impact:

● Improved stability of AI-driven CMS features

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● Contributed to higher quality of generated websites and overall user experience

Client: XClinical GmbH (EvidentIQ) | Apr 2019 – Nov 2022

Project: Marvin eClinical Solution

Domain: Healthcare / Clinical Trials

Role: Senior QA Engineer

Responsibilities & Achievements:

● Led QA planning activities including estimation, prioritization, and test strategy definition
● Created Test Plans, Test Cases, Validation Reports, Traceability Matrices ensuring full coverage of SRS
requirements
● Performed comprehensive testing (functional, UI, integration, regression, end-to-end, exploratory,
sanity, and smoke) for clinical trial workflows, ensuring accurate validation of acceptance criteria
● Validated data consistency and regulatory requirements in healthcare domain
● Collaborated with product owners, developers, and QA engineers to clarify requirements and improve
product quality
● Wrote user manuals, helping end-users understand system functionality
● Created, maintained, and executed automated tests in Eclipse using existing Java methods with
Selenium WebDriver, ensuring test stability and maintainability
● Monitored automated reports that translated test outcomes into end-user language, ensuring their
accuracy and clarity.

Impact:

● Improved test process structure and traceability
● Ensured compliance with quality standards in regulated environment

Client: Sanaclis s.r.o. / ClinDisc s.r.o. | Apr 2016 – Apr 2019

Projects: eTMF (Electronic Trial Master File), SIMS (SanaClis Information Management System),
Questionnaire System

Domain: Healthcare / Clinical Trials

Role: Senior QA Engineer

Responsibilities & Achievements:

● Performed manual testing and designed all kinds of test documentation for clinical trials projects on
enterprise systems (eTMF, SIMS), cross-browser, cross-platform testing.

Impact:

● Built strong foundation in test design and analytical thinking
● Contributed to stable releases of multiple healthcare systems

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Core Skills

● Manual Testing & Test Design: Functional, UI, integration, regression, end-to-end, exploratory, sanity
and smoke testing; validating acceptance criteria; applying BVA, EP, and decision tables to design
efficient, risk-based test coverage
● API Testing: REST API testing, including request/response validation, error handling, and integration
testing
● Quality Processes: Test planning and strategy, risk-based testing, defect lifecycle management, and
continuous improvement initiatives
● Programming: Java (basic proficiency)
● Automation: TestNG, Vitest, Selenium WebDriver; experience executing, analyzing, and maintaining
automated tests
● Tools and Systems: Jenkins, GitHub, GitLab, Docker, Git, Kibana, DataDog, Postman, Chrome
DevTools (Network, Console, Elements), Figma
● Technologies: REST, JSON, XML, HTTP
● Databases: MySQL, PostgreSQL
● Microservices & Architecture: Testing distributed systems, service communication, logs analysis
● Cloud: AWS (S3)
● Management Tools: Jira, Redmine, TestRail, Confluence
● Agile Methodologies: Scrum, Kanban, BDD
● OS: Linux, Windows, MacOS, Android, iOS
● Languages: English – Upper-Intermediate | Ukrainian – Native

Education

MS in Software Engineering

National Aviation University (Kyiv, Ukraine)
September 2016 – February 2018

BS in Software Engineering

National Aviation University (Kyiv, Ukraine)
September 2012 – June 2016

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