Big Data Engineer with Java

REQ-10113469
20/04/2026
IT Engineering
Kattowitz, Polen
Warschau, Polen
Warszawa
ING Hubs

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ING Hubs Poland is hiring!

The expected salary for this position: 13000 - 28000 PLN

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

We are looking for you if You:

Have strong Java programming skills with experience designing and developing microservices-based applications
Have hands-on experience with Spring Boot, Apache Spark
Have solid understanding of Big Data technologies, including Spark, Hive, HDFS, Kafka and NiFi
Have working knowledge of databases, including Oracle/other RDBMS
Feel comfortable working in Linux environments, with proficiency in shell scripting (Bash)
Have hands-on experience with monitoring and visualization tools (e.g. Kibana)
Have strong DevOps mindset, including experience with CI/CD pipelines.
Have strong motivation to design and build scalable, reliable, and maintainable systems
Have strong data-driven mindset with high digital fluency and a clear focus on data quality, reliability, and governance
Have effective communication skills in English and the ability to collaborate confidently with diverse stakeholders
Have proven ability to design structured, reusable processes and work in a disciplined, production-focused environment
Are Team-oriented, proactive, and curious mindset with a continuous focus on learning and process improvement
Have strong ownership and delivery mindset, covering the full lifecycle from development to production with a customer-centric approach

You'll get extra points for:

Experience working with Azure DevOps and Kubernetes
Experience with Google Cloud Platform (GCP) is a plus, enabling contribution to cloud-native and hybrid data initiatives
Experience with Python, Scala and/or other JVM-based languages
Familiarity with observabilityand monitoring tools such as Grafana, Prometheus, and the ELK stack
Experience working in an Agile/Scrum development environment

Your responsibilities:

In this role, you will design, develop, and maintain microservices using Java, Spark, Scala, Spring Boot and Python. You will be responsible for building and supporting scalable generic ingestion pipelines using Hive, NiFi, and HDFS on the Cloudera platform. Collaboration with ETL engineers will be key as you optimize snapshot-based ingestion and metadata-driven architectures. You will also develop and maintain monitoring dashboards using tools such as Kibana, while automating operational tasks through Bash and other scripting tools.

Your daily work will involve distributed systems on data platforms including Kafka, Spark, and Linux-based environments. You will integrate with DataStage and Oracle systems to support enterprise data workflows, and participate in code reviews, testing, and CI/CD processes to ensure high-quality delivery. Throughout, you will uphold best practices in software development, security, DevOps, and data engineering.

Information about the squad:

Wholesale Banking Data Ingestion Layer is one of the largest and most complex Data Lakes within ING. As an engineer in this space, you will contribute to the development and evolution of scalable, metadata-driven ingestion solutions that power critical data flows across the bank.

The platform serves as a foundational component for analytics, reporting, and regulatory compliance, and your work will directly impact its reliability, performance, and adaptability.

You’ll be joining a team that operates at the intersection of software and data engineering, in a DevOps-oriented environment, where automation, resilience, and collaboration are key.

The role naming convention in the global ING job architecture will be “Engineer IV”.

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

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