Middle Data Engineer for Real Time Streaming PlatformVerified as a real position

Who we’re looking for

• Must-have 3+ years of experience in back end. Commercial experience in software engineering with strong proficiency in Java (Scala is a plus). Understanding of Apache Kafka architecture and internals. Experience working with Apache Flink. Experience with Schema Registry and schema evolution strategies. Knowledge of serialization formats such as Avro and JSON. Experience using SQL for processing large datasets. Upper-intermediate or higher level of English.
• Nice-to-have Experience running Kafka and/or Flink on Kubernetes. Familiarity with monitoring tools such as Prometheus and Grafana for streaming metrics. Understanding of stream processing semantics. Experience with CI/CD pipelines for streaming applications.

What you’ll do

• This role exists to design, build, and maintain streaming data solutions based on Apache Kafka and related technologies, ensuring reliable data processing, integration, and testing of streaming applications.
• Streaming pipelines & data flow Build and maintain data pipelines using Apache Kafka, including topics, partitions, and consumer group tuning. Implement and manage Kafka Connect source and sink connectors for integrations.
• Streaming application development Design and develop stateful streaming applications using Kafka Streams or Flink with Java (and Scala where applicable). Ensure data consistency and schema evolution using Schema Registry (Avro).
• Quality & testing Write and maintain unit and integration tests for streaming topologies.

About the position

GR8 _TECH builds B2B iGaming platforms for operators who play to lead. We deliver full-cycle, high-impact tech designed to scale — from seamless integrations and expert consulting to long-term operational support. Our platform powers millions of active players and drives real business growth. Call it what it is: the iGaming Platform for Champions. With 1000+ GR8 people across locations and time zones, we don’t just ship technology — we help operators build success stories across brands, markets, and geos. Our ambition drives us. Our people make it real. If you’re a challenger in spirit and a champion in action — join us.

Benefits

• Why you’ll love working here: Benefits Cafeteria — annual budget you allocate to: Sports • Medical • Mental health • Home office • Languages.
• Work-life & support Paid maternity/paternity leave + monthly childcare allowance. 20+ vacation days, unlimited sick leave, emergency time off. Remote-first + tech support + coworking compensation. Team events (online/offline/offsite). Learning culture with internal courses + growth programs.