Big Data Engineer with Spark/Scala (f/m/x)

Sii is hiring for a Big Data Engineer to join a team building a modern data platform supporting key business and analytical processes in an international environment.

• Minimum 5 years of experience in Big Data Engineering
• Practical knowledge of Spark, SQL, and Java or Scala
• Experience with additional technologies: Python, Airflow, Git, CI/CD, APIs, microservices, DevOps
• Analytical thinking and problem-solving skills
• Independence, proactive attitude, and good organization of work
• Ability to collaborate in an international environment
• Very good command of Polish and English
• Willingness to work in a hybrid model (2–3 days per week in the office)
• Residence in Poland

Nice to have:

• Banking sector experience

• Design, develop, and maintain scalable data pipelines and processing systems
• Build efficient solutions for collecting, transforming, and integrating data from diverse sources
• Translate business and analytical needs into technical requirements and data models
• Optimize data workflows to ensure high performance, reliability, and resilience
• Develop and maintain Spark/Scala-based jobs for data ingestion and transformation
• Participate in code reviews and contribute to continuous improvement initiatives
• Work collaboratively within an Agile (Scrum) environment, delivering business value in short iterations
• Follow best engineering practices such as TDD, BDD, clean coding, and DevOps principles
• Create and maintain technical documentation and test plans

Wyrażam zgodę na przetwarzanie moich danych osobowych zamieszczonych w niniejszym CV przez Sii sp. z o.o. z siedzibą przy Al. Niepodległości 69, 02-626 Warszawa („Sii”) dla celów procesów rekrutacyjnych prowadzonych przez Sii.