QA Engineer

Salary: 600-900 PLN/day on B2B + vat

Work model: elastic hybrid from Gdynia / Gdańsk / Warszawa (at least 2 days per week from the office)

Why choose this offer?

• You can expect a flexible work organization
• The international work environment will give you the opportunity to interact with the English language on a daily basis
• Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit)
• The Jit community will bring you a nice time during regular integration meetings

Project

We are looking for a highly skilled QA Tester with experience in Data Warehouse testing, specifically within the Snowflake platform, who can deliver immediate results. You will join a fast-growing project for our client from the Scandinavian banking sector, working in an international environment that values collaboration, precision, and continuous improvement. The role involves ensuring data quality, consistency, and performance across cloud-based data solutions built on Snowflake, dbt, and AWS.

Responsibilities you'll have

• Perform data warehouse testing with a focus on Snowflake and dbt
• Validate complex data flows and ensure data accuracy across multiple systems
• Write and execute SQL queries to support data validation and quality checks
• Collaborate with development teams to identify and resolve data issues
• Integrate into existing testing processes and contribute to ongoing projects

Expected competences and knowledge

• 3+ years of experience in data warehouse testing 
• Experience with AWS
• Good understanding of Snowflake: Time Travel, zero-copy cloning, and performance scaling
• Strong proficiency in SQL for querying, testing, and validating large datasets
• Ability to integrate into the existing data warehouse architecture and ETL workflows
• Experience in automating data validation processes within Snowflake

Nice to have:

• Knowledge of Python
• Experience with JavaScript or TypeScript
• Familiarity with Playwright

Technologies you'll work with

• ETL
• AWS
• Snowflake
• SQL
• Python
• JavaScript
• TypeScript
• Playwright

Client – why choose this particular client from the Jit portfolio?

Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture, which is conducive to people who place emphasis on work-life balance and feedback culture. Furthermore, all projects are executed in international teams, giving constant exposure to the English language. 

About Jit Team

The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts. We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme.

Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity. By supporting indigenous initiatives, we ensure the circulation of good energy.