Currency

Senior ETL Tester

27 - 30 USDNet per hour - B2B
Testing

Senior ETL Tester

Testing

Wrocław, Wrocław +4 Locations

Experis Manpower Group

Full-time
B2B
Senior
Remote
27 - 30 USD
Net per hour - B2B

Tech stack

    English

    B2

    Polish

    C2

    ETL

    master

    SQL

    master

    Jira

    regular

    Test Automation

    regular

    Agile

    regular

Job description

Requirements:


  • Collaborate with team members, testing, and implementation project activities to achieve project and client goals.

  • Design, develop, and execute ETL & ELT test cases, scenarios, and scripts.

  • Validate data transformations, data loads, and data reconciliation processes.

  • Completion of assigned tasks on time and regular status reporting.

  • Ensure data accuracy, consistency, and integrity in data warehouses and ETL processes.

  • Identify, document, and track defects using JIRA and other defect tracking tools.

  • Perform integration and regression testing for ETL processes.

  • Participate in the organization-wide people initiatives.


Skills and Attributes for Success

  • Strong analytical skills with the ability to identify issues and propose solutions.

  • Proactive approach and responsibility for deliverables.

  • Openness to new ways of working and various cultures.

  • Excellent problem-solving abilities and attention to detail.


To Qualify for the Role, You Must Have

  • Minimum 3 years of experience in ETL testing and data validation.

  • Strong experience with SQL, data querying, and database validation.

  • Experience with ETL tools such as Informatica, Talend, SSIS, or DataStage.

  • Hands-on experience in data warehouse testing and big data environments.

  • Experience with JIRA and/or other defect tracking tools.

  • Knowledge of different project approaches (e.g., Agile, Waterfall).

  • Experience with self-organizing daily workload and reporting it to the team.

  • Experience guiding and supporting junior team members.

  • Excellent B2+ English skills, enabling communication in globally distributed teams.

  • Ability to occasionally travel to the client’s location.


Ideally, You’ll Also Have

  • Experience in the healthcare or finance industry.

  • ISTQB certification.

  • Basic experience in Test Automation for ETL processes.

  • Ability to analyze and troubleshoot application logs.


Tech stack

    English

    B2

    Polish

    C2

    ETL

    master

    SQL

    master

    Jira

    regular

    Test Automation

    regular

    Agile

    regular

Office location

Published: 17.10.2025

Senior ETL Tester

27 - 30 USDNet per hour - B2B
Summary of the offer

Senior ETL Tester

Wrocław, Wrocław

Experis Manpower Group

27 - 30 USDNet per hour - B2B
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