Posted Jul 12, 2026

(energy domain) Senior Test Engineer (data quality), JR 385, JR386

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ELEKS Quality Assurance Office is looking for a Senior Test Engineer (data quality) in Ukraine, Poland, and Croatia.   ABOUT PROJECT   Our customer is a renewable energy company engaged in renewable power generation, the production of sustainable biomass, and the sale of renewable electricity to businesses. British zero-carbon power generation company which basically owns a few power plants and supports businesses aimed at distributing the electricity to the market. \n REQUIREMENTS 4+ years of experience as a QA Engineer, QA Tester, or similar manual testing role Strong SQL skills  Experience testing DB migrations, schema changes, and stored procedures Data validation techniques (row counts, checksums, before/after comparisons) Understanding of ETL processes and data pipelines Experience with at least one RDBMS (PostgreSQL, MS SQL Server, Oracle, MySQL) Test case design for data-centric scenarios (edge cases, nulls, duplicates, referential integrity) Regression testing approach for DB-dependent applications Experience with test management tools (TestRail, Zephyr, Azure Test Plans) Bug tracking (Azure DevOps) Familiarity with version control (Git) Comfort reading/writing scripts for data comparison  Understanding of CI/CD pipelines and how DB changes get deployed (e.g., Azure DevOps) Basic knowledge of GRN/production release processes if relevant to your environment Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field Upper-Intermediate level of English Excellent communication skills; able to clearly document and communicate defects, test results, and quality findings to both technical and non-technical stakeholders Strong organizational and time management skills with the ability to manage multiple priorities and deadlines Initiative and proactive position Ability to adapt to project changes during the project flow Upper-Intermediate level of English RESPONSIBILITIES Implement and execute tests at all planned levels, log and evaluate results and document deviations from the expected results  Use tests administration, monitoring, and management tools  Create, validate, update test documentation (test cases, test plan, etc).  Review, analyse and assess project requirements and specifications to convert them into quality control process artefacts  Review test artefacts developed by others  Prepare and acquire test data  Contribute to general project quality assurance process  Analyse/improve/establish test process on a project  Analyse coverage for project test basis  Define relevant metrics for project  Define, prioritize and estimate needed Test Efforts  Define defect and test-case handling process  Define appropriate test-ware/environment for a project  Teach and mentor other test engineers  Measure performance of components and systems (if applicable)  Automate testing whenever applicable (supported by test automation expert)  RESPONSIBILITIES Implement and execute tests at all planned levels, log and evaluate results and document deviations from the expected results  Use tests administration, monitoring, and management tools  Create, validate, update test documentation (test cases, test plan, etc).  Review, analyse and assess project requirements and specifications to convert them into quality control process artefacts  Review test artefacts developed by others  Prepare and acquire test data  Contribute to general project quality assurance process  Analyse/improve/establish test process on a project  Analyse coverage for project test basis  Define relevant metrics for project  Define, prioritize and estimate needed Test Efforts  Define defect and test-case handling process  Define appropriate test-ware/environment for a project  Teach and mentor other test engineers  Measure performance of components and systems (if applicable)  Automate testing whenever applicable (supported by test automation expert)  \n