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A leading tech company in Poland is seeking a Junior Data Engineer eager to learn and grow. This role involves supporting ETL/ELT pipelines, assisting in data transformation, and improving data quality under the guidance of senior engineers. The ideal candidate should have basic Python and SQL skills, a curious mindset, and a desire to evolve into a full Data Engineer while contributing to real business data workflows. This position offers remote flexibility and a chance to make an impact.
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer‑led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/
We are looking for a Junior Data Engineer who is eager to learn, grow, and contribute to the development of a reliable and well‑structured data platform. You will work closely with the Lead Data Engineer to support data pipelines, documentation, data quality processes, and the overall stability of our data environment (Python, SQL, Airflow, dbt, BigQuery, ClickHouse).
This role is perfect for someone who already has basic technical foundations and wants to evolve into a full Data Engineer by working on production‑grade systems, best practices, and real business data workflows.
As a Junior Data Engineer, you’ll work directly with an experienced lead and gain exposure to real‑world production systems. You’ll have the opportunity to grow your skills across data pipelines, modeling, data quality, monitoring, and documentation—building a strong foundation for your future career. You will make a meaningful impact by helping ensure data accuracy, reliability, and transparency across the company.
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:
At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small— we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.
* El índice de referencia salarialse calcula en base a los salarios que ofrecen los líderes de mercado en los correspondientes sectores. Su función es guiar a los miembros Prémium a la hora de evaluar las distintas ofertas disponibles y de negociar el sueldo. El índice de referencia no es el salario indicado directamente por la empresa en particular, que podría ser muy superior o inferior.