GR8_TECH - Middle/Senior Java Developer for Stream Data Processing Tech

• 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. • What you’ll drive: • 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 • Quality & testing • Write and maintain unit and integration tests for streaming topologies. • What makes you a GR8 fit: • Must-have • 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. • 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. • Benefits Cafeteria — annual budget you allocate to: • Sports • Medical • Mental health • Home office • Languages. • Work-life & support • 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. • Our culture & core values: • GR8_TECH culture is how we win — through trust, ownership, and a growth mindset. We move fast, stay curious, and keep it real, with open feedback, room to experiment, and a team that’s got your back. • FUELLED BY TRUST: we’re open, honest, and have each other’s backs. • FUELLED BY TRUST • OWN YOUR GAME: we take initiative and own what we do. • OWN YOUR GAME • ACCELER8: we move fast, focus smart, and keep it simple. • ACCELER8 • CHALLENGE ACCEPTED: we grow through challenges and stay curious. • CHALLENGE ACCEPTED • BULLETPROOF: we’re resilient, ready, and always have a plan. • BULLETPROOF