Data Quality Engineer - ETL, DB Validation & CI/CD

Eleks; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

Eleks is a renewable energy software partner seeking a QA/Test Engineer in Poland to implement and execute tests across levels, log results, and verify deviations from expected outcomes, ensuring robust data platforms.

You will work with ETL pipelines, RDBMS, and CI/CD processes, use TestRail/Zephyr/Azure Test Plans, and collaborate across teams to deliver quality software.

Fluency in English is required; join a dynamic, low-bureaucracy environment where you can influence project technologies.

Qualifications

• Data validation techniques (row counts, checksums, before/after comparisons).
• Good understanding of ETL processes and data pipelines.
• Experience with at least one RDBMS (PostgreSQL, MS SQL Server, Oracle, MySQL).
• Regression testing approach for DB-dependent applications.
• Experience with test management tools (TestRail, Zephyr, Azure Test Plans).
• Familiarity with version control (Git).
• Understanding of CI/CD pipelines and how DB changes get deployed (e.g., Azure DevOps).
• 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.
• Participate in test environment setup.
• Prepare and acquire test data.
• Contribute to test documentation creation/validation/update process (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.
• Communicate with other Team Members.
• Report Test Progress to Stakeholders.

Skills

Data validation

ETL processes

RDBMS

Regression testing

Test management tools

Git

CI/CD pipelines

English proficiency

Tools

TestRail

Zephyr

Azure Test Plans

Git

Azure DevOps

PostgreSQL

MS SQL Server

Oracle

MySQL

Job description

Eleks is a renewable energy software partner seeking a QA/Test Engineer in Poland to implement and execute tests across levels, log results, and verify deviations from expected outcomes, ensuring robust data platforms.

You will work with ETL pipelines, RDBMS, and CI/CD processes, use TestRail/Zephyr/Azure Test Plans, and collaborate across teams to deliver quality software.

Fluency in English is required; join a dynamic, low-bureaucracy environment where you can influence project technologies.