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YURII SKYBA
AQA ENGINEER / JAVA DEVELOPER
Email: [open contact info](look above in the "contact info" section) Phone: [open contact info](look above in the "contact info" section) Location: Lviv, Ukraine LinkedIn: [open contact info](look above in the "contact info" section)
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PROFESSIONAL SUMMARY

Results-driven Java Developer and AQA Engineer with extensive hands-on experience in microservices architecture,
backend development, database optimization, and test automation. Strong background in building and maintaining cloud-
native applications using Java, Spring Boot, Helidon, and JavaScript for integration testing. Leverage AI-driven
development tools like Codex to accelerate code generation, debugging, and test automation. Proven ability to deliver
core business features, containerize applications, write robust automated unit and integration tests, and debug complex
production environments.

WORK EXPERIENCE

Java Developer – Oracle 01/2024 – Present | Lviv, Ukraine

Field service microservices architecture.
• Core Microservices Development: Engineered and enhanced core backend microservices for enterprise field
service management using Java, Spring Boot, and Helidon.
• AI-Assisted Development: Leveraged AI coding assistants (Codex) to streamline code generation, refactor existing
logic, and accelerate feature implementation.
• API & Data Layer: Designed RESTful APIs for reliable inter-service communication and implemented efficient
database operations.
• Database Optimization: Wrote, optimized, and debugged complex SQL queries, updated schema configurations, and
handled routine DB management tasks.
• Quality & Integration Testing: Authored comprehensive unit tests with JUnit and Mockito. Utilized JavaScript to write
scalable integration tests, verifying seamless end-to-end service interactions.
• Troubleshooting & Stability: Investigated, debugged, and resolved production bugs and regression issues to
guarantee high system availability and uptime.
• Configuration Management: Managed application profiles, feature flags, and environment properties across multiple
staging and deployment pipelines.
• DevOps & Infrastructure: Containerized Java applications with Docker and managed deployments, scaling, and
pods within Kubernetes (K8s) clusters.
• Cloud Observability: Analyzed application logs and cloud infrastructure metrics to conduct thorough root-cause
analysis for system anomalies.

AQA Engineer – Oracle 11/2021 – 12/2023 | Lviv, Ukraine

Field service microservices architecture focused on database management and inter-service communication via APIs.
• API & Performance Testing: Automated microservice REST APIs and executed performance/stress testing suites
using Apache JMeter.
• Development Support & Bug Fixing: Took on direct developer responsibilities, resolving minor backend bugs and
contributing directly to the Java codebase.
• Regression & Test Maintenance: Monitored daily automated test executions, investigated test reports, and updated
flaky test cases post-regression.
• Database Verification: Verified database state changes, data integrity, and transactional correctness under
automated stress loads.
• Monitoring: Used cloud logging tools for daily monitoring, proactive issue detection, and triage.

AQA Engineer – Romexsoft 03/2021 – 11/2021 | Lviv, Ukraine

Medical management web application.
• Web Test Automation: Developed and maintained automated UI testing suites using Selenium WebDriver and Java.
• BDD Implementation: Designed clear, human-readable BDD automation scenarios utilizing Cucumber.
• CI/CD Integration: Integrated test suites into Jenkins pipelines to automate builds, daily runs, and generate Serenity
reports.
• Requirements & DB Testing: Analyzed complex healthcare domain requirements to draft precise automation test
plans; validated backend data flows via direct database queries.

AQA Engineer – GlobalLogic 09/2020 – 03/2021 | Lviv, Ukraine

Mobile application for home security systems.
• Mobile Test Automation: Designed and executed automated mobile test scripts for iOS devices using Appium.
• Pipeline Monitoring: Managed Jenkins job executions, analyzed test logs, and promptly fixed broken test scripts to
keep the continuous integration pipeline green.

QA / AQA Engineer – Agiliway 10/2017 – 09/2020 | Lviv, Ukraine

Configurations and custom development of CiviCRM and CiviMobile across various client projects.
• CRM & CMS Integration: Tested and configured CiviCRM integrations across CMS platforms including Drupal,
WordPress, and Joomla.
• API & Database Validation: Executed API testing using Postman/Rest Assured and ran database queries to ensure
proper data synchronization.
• Automation & Specs: Authored automated test cases and worked directly with technical/business requirements to
write functional specifications for software developers and user documentation for clients.

TECHNICAL SKILLS

Languages Java, JavaScript (Integration Testing), SQL
Frameworks & Libraries Spring Boot, Helidon, JUnit, Mockito, WireMock
DevOps & Infrastructure Kubernetes (K8s), Docker, Linux, Jenkins, Cloud Logs
Automation & Tools Selenium, Appium, Cucumber, TestNG, Rest Assured, Postman, JMeter
AI Tools Codex (AI-Assisted Development)

EDUCATION

Bachelor’s Degree in Business Statistics and Analytics 09/2012 – 06/2016
Ivan Franko National University of Lviv

QA Engineer Courses 06/2017 – 08/2017
Skill Up

LANGUAGES

English: Intermediate