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Sii Sp. z o.o.

Data Engineer - Java & Scala (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Mid
Warszawa
1 month ago

In short

Data Engineer job in Warszawa. Responsibilities include designing data pipelines in Scala/Spark, implementing ETL/ELT, and maintaining data processing components in Java. Requires 4 years of experience with Scala, Spark, Java, ETL/ELT, SQL, and Big Data. Offers hybrid work, attractive benefits, and training.

Keywords

Scala Apache Spark Java ETL ELT SQL Big Data Data Pipelines Data Engineering

AI-written summary based on the listing content.

Technologies we use

About the project

Your responsibilities

  • Designing, developing, and maintaining scalable data pipelines using Scala and Apache Spark
  • Implementing ETL/ELT processes and transformations for large volumes of data
  • Developing and maintaining data processing components using Java
  • Optimizing the performance of Spark applications and data processing workflows
  • Integrating data from various sources and preparing it for further analysis and use by banking systems
  • Collaborating with Data Engineers, Developers, Analysts, and business teams to design and deliver data solutions
  • Monitoring code quality and conducting continuous integration

Our requirements

  • Minimum 4 years of experience as a Data Engineer working on projects involving large-scale data processing
  • Strong knowledge of Scala and Apache Spark
  • Practical experience with Java and developing backend applications or data processing solutions
  • Experience designing and implementing ETL/ELT processes and data pipelines
  • Good knowledge of SQL and relational databases
  • Experience working with distributed systems and Big Data environments
  • Advanced knowledge of both Polish and English, and residency in Poland

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 76M 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
Published 2026-08-21
Expires 2026-09-20
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