Olena Tsubera Email & Phone Number

Paris, Île-De-France, France

• Built processes supporting data transformation, data structures, metadata, dependency, and workload management• Created Jupyter Notebooks using python and utilizing Data frames and Spark SQL API for faster processing of datain Databricks.• Engineered workflows and pipelines to configure CI/CD of the deployment.• Developed and monitored of data pipelines.• Implemented complex, modern data platforms (Microsoft Azure) for enterprise customer

Denver, Colorado, United States

• Designed, developed and implemented automation tests in the Python framework;• Led a quality assurance team in all phases of the product development;• Made analysis of the performance and used monitoring to predict users workloads;• Implemented data strategies;• Tested embedded applications;• Prepared and perform training for new and current staff;• Analyzed Data of CPU and Memory data collected of the STB;• Visualization of the clean and transformed data;• Setup process for QA team;• Develops test plans for application functionality;• Coordinated the test activities and deliverables;

Wrocław, Dolnośląskie, Poland

•Tested web services;•Created auto tests for web application;•Analyzed test results;•Fixed issues related auto tests;•API automation test is written in the Java requests framework;•Clarified requirements;• Provided Test Result Reports;• Made estimations for stories in the Sprint;•Shared a vital Knowledge Base information among team;•UA automation tests are written in Java;

Denver, Colorado, United States

• Tested embedded applications;• Conducted interviews;• Automation test is written in the Python framework• Provided training, mentoring, and troubleshooting for Quality Assurance Engineers;•Coordinate the testing process among the QA team;•Managed all phases of testing for assigned components ensuring test plans and test cases were completed and met business requirements

Kharkiv, Ukraine

• Tested Java web-based application;• Tested Ruby on Rails web application;• Designed, developed and implemented automation tests in the Python framework;• Coordinated the test activities and deliverables;• Defect Tracking and Reporting;• Regression testing

Kharkiv, Ukraine

•Created tests to check data migration and transformation•Used auto scripts to validate ETL process•Reported to the Client;•Implemented an automated framework for Sanity tests;•Executing test cases and analyzing test results.

Kharkiv, Ukraine

• Performed manual functional testing;• Created GUI auto tests in TestComplete;• Developed a test execution plan, based on the required documents;• Managed all phases of testing for assigned components ensuring testplans and test cases were completed and met business requirements;• Created and generated system test scripts for different test scenarioscovering all aspects of project functionality

Master'S Degree, Data Science

Master’S Degree, Applied Mathematics

Master'S Degree