Oleksandr

ALEKSANDR ROMANII
Senior QA Automation Engineer (SDET) / Senior QA Engineer | Test Automation | API / Web / Mobile | CI/CD
Kyiv, Ukraine (Remote) | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
PROFESSIONAL SUMMARY
Senior QA Automation Engineer with 11+ years in QA and test automation for SaaS, cloud-native, web, mobile, and API-driven platforms. Strong in building scalable automation with TypeScript/JavaScript (WebdriverIO), Playwright, Python (Pytest/Selenium), and Java (REST Assured). Proven impact: automation coverage up to 70–75%, regression cycle reductions (8h→45m, 6h→1.5h), API reliability 99%+, and measurable improvements in defect detection via shift-left practices, CI/CD, and observability-driven QA. Experienced across HR/ATS & job-board aggregation, E-commerce, Healthcare IT, and FinTech.
CORE SKILLS
• Test Automation: WebdriverIO, Playwright, Selenium WebDriver, Pytest, REST Assured, Postman/Newman
• Languages: TypeScript, JavaScript, Python, Java, SQL, Bash/Shell
• API & Microservices: REST, GraphQL, Swagger/OpenAPI, schema validation + contract testing, integration testing
• CI/CD: Jenkins, GitLab CI/CD, GitHub Actions, Semaphore; parallel execution & quality gates
• Containers/Cloud: Docker; Kubernetes (basic); Cloud testing exposure: AWS, Azure, GCP
• Performance: k6, JMeter; SLAs/SLOs, response-time and throughput validation
• Data & DB: PostgreSQL, MySQL, MongoDB, Elasticsearch; ETL/data validation; SQL checks
• Observability: Grafana, Prometheus, Elasticsearch; alerting workflows (PagerDuty basics)
• Testing Types: Functional, Regression, E2E, Integration, Cross-browser, Mobile (iOS/Android), Security (OWASP), Accessibility (WCAG)
ADDITIONAL TOOLS
• React/Node.js test support, RabbitMQ basics, BrowserStack, Jira/Confluence, TestRail, Azure DevOps
• Datadog/New Relic/Splunk (exposure), Git, Linux/Unix, Agile/Scrum/Kanban, TDD/BDD (collaboration)
PROFESSIONAL EXPERIENCE
Senior QA Automation Engineer / Senior QA Engineer
Sourcebracker (acquired by Bullhorn) | Remote | Oct 2023 – Present
QA for ANANCY job-board aggregation (200+ job boards, 500K+ postings/day) and an enterprise HR/ATS platform for recruitment agencies.
• Architected automation framework (WebdriverIO + TypeScript for UI; Java + REST Assured for APIs), achieving 75% automated coverage and reducing regression from 6h to 1.5h via parallel execution.
• Built API automation covering 300+ REST endpoints across scraping, candidate management, and third-party integrations, maintaining 99.2% API reliability.
• Implemented AI-assisted test development workflow using Sourcegraph Cody for code search and coverage gap analysis, reducing test creation time by 40%.
• Led data quality testing using SQL + Elasticsearch validation and Grafana dashboards to detect duplicates, schema issues, and inconsistent job/candidate data.
• Managed isolated QA environment deployments using Jenkins and Semaphore CI, reducing environment conflicts by 85% and improving release confidence.
• Established observability-driven QA: Grafana dashboards for test metrics and service health with alerting workflows (PagerDuty).
• Executed performance testing with k6 under 5,000+ concurrent users; improved API response times from 800ms to 250ms through targeted tuning findings.
• Performed security testing aligned to OWASP Top 10 (authn/authz, rate limiting, input validation, XSS/SQLi checks).
• Drove shift-left practices: requirements/testability reviews, early defect prevention, and collaboration with developers on testable designs.
• Owned defect lifecycle in Jira: tracked 600+ defects with 94% resolution rate; contributed RCA for critical production issues.
• Migrated part of UI suite from legacy Selenium to Playwright (30%), improving reliability and execution speed.
• Mentored junior QA engineers on automation architecture and API testing, increasing team automation contribution by 35%.
Tech stack: WebdriverIO, TypeScript, Java, REST Assured, Playwright, Postman, k6, Grafana, Elasticsearch, PostgreSQL, Jenkins, Semaphore, Docker, (Kubernetes basic), Jira
Senior QA Automation Engineer / Senior QA Engineer
Creative Advanced Technology | Remote | Jul 2021 – Sep 2023
QA for multi-product E-commerce ecosystem (B2B microservices, delivery app, B2C marketplace) serving 50,000+ users.
• Built Python + Pytest automation framework, reaching 70% coverage across 3 platforms and reducing regression from 8h to 45m.
• Developed API automation for 250+ microservices endpoints (REST/GraphQL) covering payments, orders, inventory sync, and delivery tracking; ensured 99.5% API reliability.
• Spearheaded Selenium (Python) regression automation, reducing defect leakage by 35% and manual testing effort by 60%.
• Designed performance strategy with JMeter for 10,000+ concurrent users; identified and helped resolve 15+ critical bottlenecks.
• Led mobile testing via BrowserStack across 60+ device/OS combinations; found 150+ device-specific issues pre-release.
• Integrated automated tests into Jenkins and GitLab CI/CD with parallel runs, reducing feedback loop from 4h to 30m.
• Implemented monitoring with AWS CloudWatch and Grafana; reduced MTTR by 45% through proactive alerting and dashboards.
• Validated payment workflows (Stripe/PayPal) including refunds and edge cases; supported compliance-focused testing needs.
• Conducted OWASP-aligned security checks and validated GDPR requirements for customer data handling.
• Defined test strategy for 25+ microservices and executed end-to-end integration validation across back office, storefront, payments, and delivery.
• Performed SQL/MySQL database testing for data integrity and transactional consistency.
Tech stack: Python, Pytest, Selenium, Postman, JMeter, REST/GraphQL, BrowserStack, Jenkins, GitLab CI/CD, AWS CloudWatch, Grafana, MySQL/PostgreSQL, Docker, Jira
Senior QA Engineer
D.labs | Remote | Dec 2020 – Jun 2021
QA across multiple concurrent web/mobile projects in Agile/Kanban; delivered automation and reliable release support for distributed teams.
• Owned testing across 5 concurrent projects (web, mobile, REST APIs): functional, regression, smoke, and integration testing.
• Automated 150+ test cases using Python + Selenium + Pytest, cutting regression time by 40%.
• Executed mobile testing on iOS/Android across 30+ device/OS configurations; identified platform-specific issues early.
• Created test plans, checklists, and traceability; improved test coverage and release readiness reporting.
• Managed defect lifecycle in Jira with high-quality repro steps and sprint-based resolution tracking.
• Supported stable environments using Docker-based setups and repeatable test data.
Tech stack: Python, Selenium, Pytest, Postman, Jira, TestRail, Confluence, Docker, Git, Agile/Kanban
QA Engineer
Physician Partners | Remote | Dec 2019 – Dec 2020
QA for healthcare IT systems with strong focus on data integrity and regulated workflows.
• Performed database testing using SQL/MySQL to validate data integrity across complex healthcare workflows.
• Tested critical business processes with compliance focus (HIPAA-related privacy requirements; HL7 messaging validation as needed).
• Delivered functional, regression, integration, and UAT testing for EHR modules and patient-facing portals.
• Produced QA documentation (plans, reports) and contributed to RCA/CAPA for production incidents.
Tech stack: SQL, MySQL, Jira, Healthcare workflows, SDLC documentation
Automation QA Engineer
Frayman Group | Remote | Sep 2018 – Nov 2019
Built API test automation practice for microservices; established continuous testing workflows.
• Developed Python-based API automation framework from scratch using Requests + Pytest.
• Automated 200+ REST API tests covering authn/authz, CRUD, schema validation, and error handling; reduced manual effort by 60%.
• Integrated suites into Jenkins for PR/commit/nightly runs with reporting and failure alerts.
• Validated data consistency in MongoDB/Elasticsearch and improved runtime via parallel execution.
• Managed defect lifecycle in Jira and partnered closely with backend/DevOps teams.
Tech stack: Python, Requests, Pytest, Postman/Newman, Jenkins, MongoDB, Elasticsearch, Git, Linux, Microservices
QA Engineer
Waiverking.com | Remote | May 2016 – Aug 2018
Manual QA for SaaS waiver management platform with secure document workflows and broad integrations.
• Performed end-to-end manual testing (functional, regression, smoke, exploratory) for web + mobile flows.
• Executed cross-browser testing (Chrome/Firefox/Safari/IE/Edge) and responsive UI validation.
• Validated integrations (payments, email, storage, SSO) and document workflows with audit trails.
• Supported accessibility checks (WCAG 2.0) and security-focused validation (sessions, access controls).
• Tracked defects in Jira/Bugzilla and maintained test documentation (plans, cases, checklists).
Tech stack: Jira, Bugzilla, TestRail, BrowserStack, Chrome DevTools, Cross-browser/mobile testing, WCAG 2.0
QA Engineer
TRData | Kyiv, Ukraine | Apr 2014 – May 2016
QA process setup for data-intensive applications; strong focus on database validation and SDLC quality gates.
• Established QA processes across SDLC; created test plans, cases, and checklists for features and releases.
• Performed functional/regression testing and supported Agile ceremonies and requirement reviews.
• Executed SQL/MySQL database testing for data integrity, ETL checks, and migration validation.
• Managed defects and delivery coordination in Asana/Redmine.
Tech stack: SQL, MySQL, Asana, Redmine, SDLC, Agile/Scrum
EDUCATION
Bachelor of Engineering (BEng)
Kharkiv National Technical University | 2004 – 2010
CERTIFICATIONS
• ISTQB Tester Expert Level – Implementing Test Process Improvement (Planned, 2026)
• Cypress Test Automation Certification (TestAutomationU by Applitools, 2022)
• Complete Python Based Test Automation – Selenium/Robot Framework/Pytest (Udemy, 2022)
• Certified Agile Tester (CAT) (International Software Qualifications Board, 2021)
• Performance Testing with JMeter (Udemy, 2019)
• API Testing with Postman and Newman (Udemy, 2018)
• Manual Testing Certification (Udemy, 2014)
LANGUAGES
• Ukrainian: Native
• English: Professional Working Proficiency (B2–C1)