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Java Developer at GR8 Tech, Remote

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:

• 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.

• 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).

• 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.

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.