Працював в 8 компаніях 7 років 6 місяців
IT
Senior QA Engineer
EPAM
IT
5 місяців
11.2025 - 03.2026
- Python (pandas, PySpark)
- Developed and maintained automated tests using Python, pytest, and Playwright for UI, API, and data validation scenarios
- Built automated validation workflows using pandas and PySpark to verify data integrity, business rules, and end-to-end flows
- Performed API testing for backend services, validating response payloads, status codes, and integration behavior
- Supported CI/CD workflows using GitHub Actions and integrated Allure Report for test execution reporting
- Contributed to testing of RAG-based and backend-driven functionality, focusing on system reliability and validation quality
- Collaborated with cross-functional teams to investigate defects, validate fixes, and improve test coverage across critical workflows
Tech stack: Python, pytest, Playwright, pandas, PySpark, API Testing, CI/CD, GitHub Actions, Allure Report, FastAPI, SQL
Senior DQA Engineer
N-iX
IT
3 роки 2 місяці
09.2022 - 10.2025
- Led QA team activities and supported delivery quality across the project lifecycle
- Executed functional, regression, smoke, and end-to-end testing for data-intensive and backend-driven applications
- Performed backend, ETL, and data validation testing to ensure accuracy, integrity, and consistency of data pipelines
- Built and executed complex SQL validation scripts for backend testing, reconciliation, and data quality verification
- Validated Power BI reports, dashboards, metrics, and business rules to ensure reporting accuracy
- Tested cloud-based data integrations and workflows using AWS services, including S3, Athena, and DMS
- Verified data consistency across Oracle and Snowflake environments
- Contributed to QA process improvements, testing standards, and technical interviewing activities
- Mentored team members and supported knowledge sharing across QA activities
Tech stack: SQL, ETL Testing, Data Validation, Regression Testing, Smoke Testing, E2E Testing, AWS, S3, Athena, DMS, Oracle,Snowflake, Power BI
Senior DQA Engineer
DataArt
IT
1 рік
10.2021 - 09.2022
- Analyzed requirements and defined effective test coverage for functional, backend, and data validation scenarios.
- Created detailed test cases, prepared structured test data, and executed end-to-end validation across key workflows.
- Performed feature, regression, and smoke testing to support stable releases and reliable system behavior.
- Executed ETL testing and backend data verification to validate transformation logic and processing accuracy.
- Wrote and ran complex SQL scripts for database validation, transformation checks, and reconciliation testing.
- Supported testing of AWS-based workflows using S3, Step Functions, Lambda, and CloudWatch.
- Verified data accuracy and consistency in PostgreSQL and Snowflake environments.
Tech stack: SQL, ETL Testing, Functional Testing, Regression Testing, Smoke Testing, AWS, S3, Step Functions, Lambda, CloudWatch, PostgreSQL, Snowflake, PySpark
Middle DWBI QA Engineer
EPAM
IT
7 місяців
04.2021 - 10.2021
- Reviewed and analyzed requirements to define effective API, integration, and automation test coverage.
- Designed and executed functional, regression, smoke, and end-to-end test scenarios.
- Developed reusable automated checks to improve testing efficiency and reduce manual effort.
- Performed API testing in Postman, validating endpoints, payloads, response codes, and business rules.
- Prepared and maintained test data for API and system validation.
- Tested Azure-based services and integrations, including Purview, Application Insights, Event Grid Topic, and Logic Apps.
- Managed defects end-to-end, including defect reporting, investigation support, retesting, and closure validation.
- Supported acceptance testing and communicated clear test results to stakeholders.
Tech stack: API Testing, Postman, Integration Testing, Automation Testing, Regression Testing, Smoke Testing, Azure, Purview, Application Insights, Event Grid, Logic Apps
Key Middle DWBI QA Engineer
EPAM
IT
9 місяців
08.2020 - 04.2021
- Led QA activities across the project lifecycle and supported the team in delivering high-quality releases.
- Created Test Plan and Test Strategy to define scope, risks, test approach, and validation activities.
- Performed ETL and backend testing for Oracle-to-SQL Server data pipelines.
- Built and executed SSIS packages for QA validation, data preparation, and process verification.
- Analyzed business requirements and translated them into structured testing scenarios.
- Developed and executed complex SQL validation scripts for backend logic, reconciliation, and data consistency.
- Tested MicroStrategy cubes, reports, and dashboards to validate reporting logic and data integrity.
Tech stack: SQL, SSIS, ETL Testing, Backend Testing, Test Planning, Test Strategy, Oracle, SQL Server, MicroStrategy
Middle DWBI QA Engineer
EPAM
IT
8 місяців
01.2020 - 08.2020
- Tested CRM migration processes implemented with SQL Server Integration Services (SSIS).
- Designed and executed test scripts to validate migration logic, data transformations, and end-to-end process reliability.
- Created and maintained custom SSIS packages to support QA validation and migration testing.
- Performed ETL testing to verify accurate extraction, transformation, loading, and overall data integrity.
- Investigated backend data issues and supported validation of migration results across systems.
Tech stack: SSIS, SQL, ETL Testing, Migration Testing, Backend Validation, Data Integrity Testing
MIddle DWBI QA Engineer
EPAM
IT
1 рік
01.2019 - 12.2019
- Designed and executed validation scripts for historical data loads into hive.
- Performed ETL testing to verify transformation logic, completeness, and end-to-end data integrity.
- Created and maintained smoke tests in Integrity Manager for critical functionality validation.
- Performed daily verification of loaded data in hive and validated its correct representation in the MicroStrategy UI.
- Tested MicroStrategy dashboards and reports to confirm data consistency, reporting logic, and business rule compliance.
Tech stack: Hive, SQL, ETL Testing, Smoke Testing, Integrity Manager, MicroStrategy, Data Validation
QA Engineer
EPAM
IT
3 місяці
10.2018 - 12.2018
- Designed and executed test scenarios for historical data migration from Oracle and Netezza to Hive.
- Performed ETL testing in Hive to validate transformation logic, completeness, and consistency of migrated data.
- Collaborated with stakeholders to analyze and refine business and technical requirements.
- Developed a Java-based utility that automatically generated SQL-based tests for ETL validation.
- Improved QA efficiency by reducing manual effort and optimizing testing time through automation.
Tech stack: Java, SQL, ETL Testing, Hive, Oracle, Netezza, Migration Testing, Automation
Ключова інформація
- Automation testing (UI/API)
- Playwright
- Python (pytest, pandas, numpy, pyspark, allure, requests)
- Establishing the test process
- DBs (SQL Server, Oracle, Snowflake)
- SQL scripting
- GitHub Actions
- ETL testing, Data validation
- Kafka
- AWS, Azure
- SSIS
- PowerBI, Micro Strategy
Володіє мовами
Англійська
вище середнього
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Taras
Taras
Senior QA Engineer, Automation QA Engineer

Львів
Активно шукає роботу
повна зайнятість
Характер роботи: віддалена робота, гібридна, в офісі/на місці
Остання активність 4 дні тому