Middle/Senior Data Engineer for Real Time Streaming Platform

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: Write and maintain unit and integration tests for streaming topologies.

What makes you a GR8 fit:

• 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.

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.
• 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. OWN YOUR GAME: we take initiative and own what we do. ACCELER8: we move fast, focus smart, and keep it simple. CHALLENGE ACCEPTED: we grow through challenges and stay curious. BULLETPROOF: we’re resilient, ready, and always have a plan.