Senior Java Engineer - Master Data Platform, Big Data

RE Partners; Warszawa; On-site; PLN 180,000 - 280,000; Full time

Job summary

RE Partners is seeking a Senior Java Engineer to design, develop and enhance a Master Data Platform that serves as the source for maintaining key demographic data and robust data management across customers and related entities.

You will contribute to scalable backend services, ensure data accuracy and system integrity, and tackle complex integration challenges while upholding security, privacy and regulatory standards.

Qualifications

• Exposure to big data technologies and distributed processing.
• High level of Java (Concurrency, JVM, JMM) and experience building streaming data architectures.
• Experience with Data Mesh, Data Lakes and warehousing solutions.
• Strong experience with Kubernetes; building Kubernetes operators is of special interest.
• Experience with message brokers (Kafka/RabbitMQ).

Responsibilities

• Design and develop high-performance Java applications for the Master Data Platform.
• Work with GraphDB and Scala-based components to manage complex data relationships and processing.
• Support big data systems at scale with real-time data processing.
• Build and optimise systems for transaction monitoring, sanctions screening, and fraud detection.
• Ensure platform reliability, scalability, and performance for critical workloads.

Skills

Java

Streaming data

Kubernetes

Data integration

Scala

Tools

Kafka

RabbitMQ

GraphDB

Docker

OpenShift

Kubernetes

Job description

RE Partners is seeking a Senior Java Engineer to design, develop and enhance a Master Data Platform that serves as the source for maintaining key demographic data and robust data management across customers and related entities.

You will contribute to scalable backend services, ensure data accuracy and system integrity, and tackle complex integration challenges while upholding security, privacy and regulatory standards.