Олексій

OL
OLEKSII LYSYTSKYI

Professional Summary Contacts

Senior QA Engineer with 10+ years of experience ensuring high-quality releases [открыть контакты](см. выше в блоке «контактная информация»)
across web, mobile (iOS/Android), and API-driven systems. Specialized in early [открыть контакты](см. выше в блоке «контактная информация»)
defect detection, test design, and data validation — consistently preventing
critical issues before they reach production and improving release stability. Sumy, Ukraine
Strong expertise in API testing (Postman), SQL-based validation, and risk-based
test coverage. Proven ability to take ownership of QA processes end-to-end —
from requirements analysis and test strategy definition to regression optimization Skills
and release readiness.
Hands-on experience with Playwright and Python automation, focused on • Manual Testing: Functional,
reducing manual effort and increasing confidence in high-risk flows. Trusted Integration, E2E, Regression,
partner to Product and Engineering teams, helping deliver stable, scalable, and Smoke/Sanity, Exploratory, UAT,
cross-browser & cross-device
user-focused products.
• Mobile Testing: iOS & Android,
BrowserStack, real devices, Android
Work History Studio
• API Testing: Postman, REST
Senior QA Engineer | Independent Contractor validation, Swagger/OpenAPI, SoapUI,
12/2025 – Present (Remote) mock-servers, contract & negative
testing
Clients: early-stage startups and product teams across web & mobile verticals.
• Databases & SQL: SELECT / JOIN /
• Owned QA validation of product requirements, identifying gaps and
aggregate queries, data integrity
documentation, identifying gaps before development started. checks, UI-vs-DB reconciliation
• Applied test design techniques to build checklists, test cases, and bug (PostgreSQL, MySQL, MS SQL,
reports from scratch for new products. Oracle SQL Developer, MongoDB,
• Performed API testing with Postman, validating REST endpoints, Redis)
request/response contracts, status codes, authentication, and negative • Test Design: Equivalence partitioning,
scenarios. boundary value analysis, decision
• Ran mobile testing on Android real devices and BrowserStack, covering tables, state transition, pairwise
functional, regression, and exploratory testing across device and OS • Documentation: Checklists, test
variations. cases, test plans, bug reports,
• Wrote SQL queries with LEFT JOIN, filtering, and aggregation to verify that traceability matrix
UI order statuses, user actions, and calculated fields matched database • Test Management: TestRail, Testmo,
records. JIRA, Confluence
• Tested a React / TypeScript / Next.js web product, covering frontend • Automation: Playwright, Selenium
behavior, form validation, and API integration. WebDriver, PyTest, Python
• Improved early defect detection by reviewing requirements before • CI/CD & Tooling: Jenkins, GitHub
implementation and preparing structured QA coverage for new features. Actions, GitLab, TeamCity, Docker,
Kubernetes, DevTools, Fiddler, Figma
Senior QA Engineer | AIBUY.io • Monitoring: Prometheus, Grafana,
11/2023 – 11/2024 (Remote) Graylog, ELK
AI-powered e-commerce platform (SaaS). Web + Mobile (iOS/Android). • Tech context: React, TypeScript,
Next.js, REST API
• Designed and executed test scenarios and use cases in Testmo and
TestRail, ensuring comprehensive coverage across web and mobile
applications. Education
• Analyzed product requirements, translated them into test cases, and 07/2014
clarified ambiguities with Product and Engineering.
Sumy State University
• Led end-to-end, exploratory, and functional testing, identifying and driving Sumy, Ukraine
resolution of critical defects before release. Specialist Degree: Computer Mechanics
• Performed API testing with Postman, catching backend defects before
frontend implementation. Certifications
• Ran SQL queries to validate database integrity, verify transactions, cross-
check UI data against the database, and confirm defect fixes at the data • ISTQB Certified Tester Foundation
layer. Level Syllabus 2018
• Built lightweight Playwright tests for critical paths, reducing test data • Introduction to Cybersecurity — Cisco
preparation time by 27%. • PCAP: Programming Essentials in
• Mentored new team members and improved QA process efficiency through Python — Cisco
better test documentation and recurring scenario coverage. • WEB Testing — ITVDN
• Improved regression testing efficiency by introducing structured test
scenario matrices in Testmo.
QA Engineer (Manual & Automation) | Netcracker Technology
Languages
12/2015 – 10/2023 (Remote/Hybrid)
Enterprise telecom/IoT software platform (NEC subsidiary). Web, desktop, and Ukrainian: Native language
mobile products. English: Intermediate (B1)
• Performed manual testing of web, desktop, and mobile applications,
covering functional, regression, E2E, sanity, and smoke testing.
• Created and maintained test cases, checklists, and bug reports from
requirements; tracked defects in JIRA.
• Executed API testing with Postman and Swagger, validating REST
responses and third-party integrations.
• Wrote SQL queries to validate database integrity, confirm data consistency
after deployments, and support root-cause analysis.
• Developed custom Python scripts for monitoring, automation, and
debugging in Kubernetes environments, improving defect detection and
microservices log analysis by 56%.
• Monitored application health and analyzed server logs using Prometheus,
Grafana, Graylog, and Kubernetes to accelerate root-cause analysis for
complex defects.
• Automated routine tasks and system processes using Bash scripting.
• Built and maintained automated E2E tests with Python, Selenium
WebDriver, and PyTest; integrated tests into CI/CD pipelines with Jenkins
and GitHub Actions.
• Led and mentored QA teams, optimized testing processes, and onboarded
junior engineers.
• Improved cross-team QA communication and onboarding workflows,
helping teams resolve defects faster during active release cycles.

Software / QA Engineer | EFSOL
10/2014 – 12/2015 (Office)
• Worked with 1C:Enterprise-based ERP and accounting workflows,
supporting business process customization and quality validation.
• Developed and tailored 1C system modules while also verifying customized
business logic from a QA perspective.
• Designed and executed test plans for enterprise management and
accounting-related workflows.
• Performed manual functional, regression, usability, and localization testing
to ensure system stability.
• Documented and tracked defects, collaborating with developers and
business users to resolve issues efficiently.
• Contributed to requirement analysis, customer onboarding, and system
training sessions.
• Improved validation of customized business workflows by combining
development knowledge with manual QA coverage.