Dennis Oleynik

About Dennis Oleynik

Software Development Engineer with 11 years of experience in test automation and quality…

Experience

1. Software Developer in Test

   Deutsche Bank

   May 2020 — Present

   Java Framework Development: Architected and developed a robust, scalable Java-based testing framework using Spring Boot, which served as a core application for automated testing and ensured consistent, repeatable execution across environments.API & Distributed Systems Engineering: Engineered and executed automated REST API testing using RestAssured and Cucumber, validating backend data integrity and API functionality to facilitate smooth communication between distributed systems.Data Integration & ETL: Led the validation of complex data pipelines for multiple integrated workflows, ensuring data integrity and quality from source to destination. This experience directly relates to the principles of data extraction, transformation, and loading (ETL).CI/CD & Containerization: Managed QA duties within CI/CD pipelines using TeamCity and Jenkins to automate testing, building, and deployment processes. Gained hands-on experience with containerization and orchestration tools, including Docker, Kubernetes, and OpenShift, managing pods and deployments to ensure application readiness for both on-premise and cloud environments.Database & Application Monitoring: Collaborated closely with developers to enhance code reliability and increase test coverage for Oracle and other SQL databases. Utilized Splunk and Log4J to analyze application logs for real-time monitoring and issue resolution, significantly contributing to optimal query performance and data integrity.Agile Collaboration: Participated actively in Agile/SCRUM methodologies, collaborating with cross-functional teams to define requirements, develop strategies, and facilitate User Acceptance Testing (UAT).

Education

• Novosibirsk State University (NSU)

  Master's degree