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ETL Manual Tester
  • Toruń
ETL Manual Tester
Toruń, Toruń, Kuyavian-Pomeranian Voivodeship, Polska
Sii Sp. z o.o.
5. 9. 2025
Informacje o stanowisku

ETL Manual Tester

Miejsce pracy: Toruń

Technologies we use

Expected

  • SQL

Optional

  • Microsoft Azure
  • AWS
  • Google Cloud Platform
  • Jira
  • Confluence
  • TestRail

About the project

Join one of the fastest-growing IT and engineering services companies in Europe! At Sii, we work with top-tier clients across various industries, delivering cutting-edge projects with passion and integrity. We’re currently looking for an ETL Manual Tester to support our team in ensuring data quality and reliability across modern data platforms.

You can work mostly remotely, but if you ever feel like grabbing a coffee with your team or enjoying a change of scenery, our modern office in Wrocław is always open for you.

If you have an eye for detail and a passion for improving data processes, we’d love to hear from you. Apply now and become part of the Sii family!

Your responsibilities

  • Perform manual testing of ETL processes, ensuring data integrity, consistency, and completeness
  • Design, execute, and maintain test cases and test scenarios based on business and technical requirements
  • Validate source-to-target data mappings and transformations
  • Collaborate with developers, analysts, and other testers to investigate issues and clarify requirements
  • Identify and document defects, and support teams in root cause analysis
  • Participate in regression, integration, and system testing phases
  • Contribute to test planning and estimation activities

Our requirements

  • At least 5 years of professional experience in manual software testing, ideally in data-focused or ETL environments
  • Strong motivation to continue developing within the manual testing path
  • Solid understanding of ETL processes, data pipelines, and data validation techniques
  • Proficiency in writing and executing SQL queries to verify data accuracy and transformations
  • Familiarity with test design techniques, defect tracking tools, and test documentation standards
  • Strong analytical thinking and a keen eye for detail
  • Good English skills, both written and spoken
  • Fluent Polish required
  • Residing in Poland required

Optional

  • Experience with BI tools, cloud data platforms (e.g., Azure, AWS, GCP), or data quality frameworks
  • Knowledge of Agile methodologies and tools like JIRA, Confluence, or TestRail

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

Recruitment stages

  • Send your CV
  • Talk to us about your expectations
  • Learn more about our projects and choose the best
  • Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.

  • Praca Toruń
  • Tester Toruń
  • Toruń - Oferty pracy w okolicznych lokalizacjach


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