Senior / Lead SDE Java + Go (relocation to Krakow)

We are looking for a Senior or Lead Software Development Engineer to join a cloud data platform initiative focused on managed Kafka connectors. The role centers on accelerating onboarding of first-party connectors, improving reliability and launch readiness, and helping expand a managed connector ecosystem used in data-intensive cloud services.

• Accelerate onboarding of new first-party managed Kafka connectors;


• Improve connector quality, reliability, and operational readiness;


• Integrate authentication and platform-specific cloud requirements;


• Translate connector behavior into implementation details, UI specs, and documentation inputs;


• Support launch gates such as probers, load testing, playbooks, and launch reviews.

Responsibilities

• Strong Java experience, as the core workers and connectors are implemented in Java;


• Practical Go experience for API-facing changes and service integration work;


• Practical experience with GCP cloud;


• Experience integrating, debugging, and improving connector-based or data integration systems;


• Ability to work across performance, stability, authentication, and network-compatibility concerns;


• Strong engineering ownership across delivery, launch readiness, and operational quality.

Nice to Have:

• Experience with Kafka Connect ecosystems;


• Experience with CDC-oriented connectors or sink/source integrations;


• Exposure to cloud data systems such as BigQuery, Spanner, Bigtable, Iceberg, or Debezium-based workflows.

Engagement Type

• B2B contract.

Location / Timezone

• Priority location is Krakow, Poland;


• On-site presence at the Akvelon office