Костянтин

KOSTIANTYN ZHUBRYD
Senior QA Automation Engineer
Kyiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFILE
Senior QA Engineer with strong hands-on experience in manual and automation testing across web, API, and
microservices-based systems. Proven track record of building and maintaining scalable end-to-end testing
frameworks using TypeScript, Jest, Mocha, Playwright, and Cypress. Deep understanding of SDLC, CI/CD pipelines,
distributed architectures, and cloud-native environments including Kafka and AWS.

Experienced in working with modern AI-assisted development and productivity tools such as Claude and Augment to
accelerate software delivery, test design, debugging, and engineering workflows. Skilled in integrating AI-driven
approaches into QA processes, including intelligent test generation, automation optimization, and developer support
tooling.

Strong background in designing and supporting AI tooling infrastructure, including agent-based workflows, role-driven
automation systems, and scalable integrations for engineering and QA operations. Passionate about Quality
Assurance as a Service (QaaS), risk-based testing, scalable automation strategies, and continuous improvement of
development and testing ecosystems.

KEY SKILLS
• Manual & Automation Testing (UI, API, E2E, Component, Regression)
• Frameworks: Playwright, Cypress, Jest, Mocha, Allure
• Languages: TypeScript, JavaScript, SQL
• AI Tools & Workflows: Claude, Augment, AI-assisted engineering
• AI Infrastructure: Agent-based workflows, role-driven automation systems
• CI/CD: Jenkins, GitLab CI, Docker
• Cloud & Infra: AWS (EC2, S3, CloudWatch), Linux, MacOS
• Monitoring: Kibana, Splunk
• Tools: Postman, Swagger, JMeter
• Strong knowledge of SDLC, Agile/Scrum methodologies

LANGUAGES
English (B1) | Russian (C2) | Ukrainian (C2)

PROFESSIONAL EXPERIENCE
Ciklum / BigID.com — Senior QA Engineer
May 2023 — May 2026 | Kyiv, Ukraine
• Worked on DSAR project — enterprise privacy solution for discovering, classifying, and managing user PII data
across distributed systems.
• Maintained and improved code quality for the QA automation framework (TS + Jest + Mocha).
• Created new API and E2E test suites using Playwright and Jest.
• Developed load and performance tests (JMeter, custom API runners).
• Monitored production environments via AWS CloudWatch and CI reports.
• Analyzed nightly runs, debugged flaky tests, and managed defect triage.
• Actively used AI-assisted engineering tools (Claude, Augment) to improve automation development and debugging
workflows.

1touch.io — Senior QA Engineer
May 2020 — 2023 | Kyiv, Ukraine
• Contributed to Inventa — data discovery and PII cataloging platform.
• Performed API automation testing with Jest, Chai, Axios, and TypeScript.
• Developed E2E tests with Cypress and Playwright.
• Built test frameworks from scratch for microservice-level testing.
• Populated data sets using JS/SQL for multiple database vendors.
• Executed manual functional, regression, and load testing of backend systems.

Epam Systems — Senior QA Engineer
Jan 2020 — May 2020 | Kyiv, Ukraine
• Worked on the development of Certa Scale platform — enterprise compliance and risk management tool.
• Performed functional, regression, and cross-browser testing.
• Created and executed detailed test cases and suites.
• Collaborated with BA and DEV teams to clarify requirements.
• Reported and tracked bugs through Jira and TestRail.
• Automated regression test suites to reduce manual workload.

Nextiva — QA Engineer
Jun 2017 — Aug 2019 | Kyiv, Ukraine / Scottsdale, USA
• Worked on Nextiva Rules Engine — CRM automation rules management system.
• Performed functional, integration, and usability testing of web modules.
• Developed and maintained test documentation (test cases, suites).
• Executed automated regression tests with Cypress + JS/TS + Allure + TestRail.
• Supported release readiness verification from QA perspective.