Experience About Posts

🚀 Senior QA Engineer | Enterprise & Data Platforms

(Data / Backend / API / Performance / Automation)

I am a Senior QA Engineer with 12+ years of experience focused on data-driven and backend-heavy systems. I help teams identify quality risks early, ensure data consistency across pipelines, and deliver stable releases in complex enterprise environments.

I have extensive experience in software testing, performance engineering, and data-driven quality assurance. Over the course of my career, I have contributed to 19 medium- to large-scale international projects for clients in the USA, Canada, Europe, and Australia. These projects included web, cloud, mobile, desktop, embedded, and cross-platform solutions, such as enterprise BI, ERP, CRM, and DMS systems; fintech and tax platforms; e-commerce and logistics solutions; hosting and cloud services; airline mobile applications; gaming platforms; retail point-of-sale (POS) systems; healthcare and medical data platforms; as well as internal corporate systems integrated with complex third-party services and standalone products.

⚡ Performance QA Expertise

I am a strong Performance Test Engineer with extensive hands-on experience in designing and executing performance and load testing across multiple system layers, including:
HTTP/HTTPS, REST & SOAP APIs, JDBC/database interactions, microservice-to-microservice communication, and backend integration layers. My work focuses on validating system throughput, response times, concurrency limits, resource utilization, and bottleneck identification, ensuring reliability, scalability, and stability of complex enterprise, data-driven, and integration-heavy solutions under real-world and peak-load conditions.

  • Recognized by EPAM for excellence in Performance & Load Testing of DMS integration solutions.
  • Hands-on experience with JMeter, LoadRunner, Postman, and other load testing tools.

Technologies & Tools:

🖥️ Automation & QA Expertise

  • Moderate to advanced automation skills — able to implement, extend, and maintain automation scripts.
  • Developed automated tests for UI, API, and integration scenarios, improving test coverage and release reliability.
  • Practical experience maintaining automation frameworks and writing Selenium WebDriver tests in Java/JUnit and Protractor JavaScript for UI and functional test automation, enabling faster delivery and continuous quality feedback.
  • Education & Certification: Graduated from SoftServe IT Academy with the specialization Automation of Testing Processes and Quality Assurance of Modern Software Systems.

Automation & DevOps Tools:

💼 Latest Role

QA Coach @ Deloitte Intela – Led QA activities for BI & Data pipelines across 15 Scrum teams.

Responsibilities:

  • Testing microservice flows: Normal, Resync, Reconciliation, Orphaned flows
  • Database development: tables, transformations, migrations
  • ETL & Data Lake pipelines
  • Power BI dashboards/reports
  • Performance/load testing & automation
  • Integration validation

Technologies & Tools:

Top Projects

🏥 Healthcare QA & Practical Experience

I have hands-on experience in developing and testing healthcare software, including:

  • Embedded medical device software (insulin pump management systems)
  • Patient data platforms handling ultrasound images, video examinations, documents, and other medical file types

This experience provided me with deep insights into healthcare workflows, regulatory requirements, and safety standards for patient data and medical devices.

Practical experience in developing localization for embedded medical devices and building translation tables in medical software where correct application behavior directly impacts human lives.

Mednet SQA Testing Certification:
Completed the Mednet SQA Testing course and certification, focused on quality assurance practices specifically for healthcare software.

💡 Expertise / Core Skills

  • Testing & QA: SDLC, SQA methodologies, functional & technical specification analysis, regression, exploratory, integration
  • Automation, Performance, Load, Stress, Integration, API, ETL validation
  • Data & BI: SQL, Oracle DB, PostgreSQL, MongoDB, Data Lake, Databricks, Power BI
  • Programming: Java, JavaScript, basic OOP, scripting
  • Web & Other: HTML, XML, JSON, UML diagrams, Web UI
  • Automation Tools: Selenium, Protractor, JMeter, Postman, SoapUI, ReadyAPI
  • Cloud & DevOps: Azure, Docker, Jenkins, CI/CD, GitHub, Azure DevOps
  • Healthcare QA: Certified by Mednet, experience in medical monitoring & compliance systems

📫 Contact Me