Hire Offshore Apache Kafka & Streaming Developers in Poland 🇵🇱

Our Apache Kafka & Streaming vetting includes hands-on data modeling exercises, query optimization challenges, and dashboard design reviews covering Kafka Streams, ksqlDB, Kafka Connect. Candidates work through real analytical scenarios: defining metrics, building data pipelines, and presenting findings to non-technical stakeholders. We also verify certifications such as Confluent Certified Developer for Apache Kafka and Confluent Certified Administrator. We evaluate both technical depth (SQL performance, data architecture) and business acumen (do they ask the right questions?).

All our Apache Kafka & Streaming developers are based in India and work schedules that provide 4-6 hours of daily overlap with US, UK, or Australian business hours. This covers standups, code reviews, pair programming, and stakeholder meetings. Complex development work happens during their extended hours, meaning you review pull requests each morning with minimal wait time. We use Debezium, Apache Flink, Prometheus for asynchronous collaboration and handoffs. We've optimized this cadence across hundreds of engagements.

Every engagement is covered by a comprehensive NDA, IP assignment agreement, and data security protocols. All code, designs, and deliverables created by your Apache Kafka & Streaming developer are your property — full IP assignment, no exceptions. Access to Debezium, Apache Flink, Prometheus and other client systems is managed through role-based permissions. Our infrastructure includes VPN-only access to client environments, endpoint security on all workstations, and we can accommodate SOC 2, HIPAA, or other compliance frameworks. Background verification is standard for all candidates.

We offer a free replacement guarantee. If your Apache Kafka & Streaming developer isn't meeting expectations, tell us and we'll source a replacement with proven expertise in Kafka Streams, ksqlDB, Kafka Connect within 5 business days at no additional cost. The transition includes a structured handover: documentation of in-progress work, codebase walkthrough with the new resource, and overlap period where both are available. The replacement will be pre-screened for experience in Real-Time Event Streaming, Change Data Capture (CDC), Stream Processing Pipelines. In practice, we rarely need replacements — our vetting process has a 95%+ retention rate past the first 90 days.

From your initial brief to an onboarded Apache Kafka & Streaming developer typically takes 8-10 business days. We deliver 3-5 pre-vetted profiles with experience in Kafka Streams, ksqlDB, Kafka Connect within 48 hours. You interview your shortlist, and once selected, onboarding covers environment setup, codebase walkthrough, tooling access, and first sprint planning. Most Apache Kafka & Streaming developers submit their first meaningful pull request within the first week. Our candidates are experienced in Real-Time Event Streaming, Change Data Capture (CDC), Stream Processing Pipelines use cases.

We offer three engagement models: (1) Dedicated Resource — a full-time Apache Kafka & Streaming expert specializing in Kafka Streams, ksqlDB, Kafka Connect works exclusively on your project with 40 hrs/week, daily standups, and direct communication covering areas like Real-Time Event Streaming, Change Data Capture (CDC), Stream Processing Pipelines. (2) Team Extension — a managed pod (2-10 people) with tech lead, developers, QA, and optional PM for sprint-aligned delivery. (3) Project-Based — fixed scope with milestone delivery, full PM oversight, and UAT. Most clients start with a dedicated resource and scale to a team as the project grows.

Your monthly rate covers the developer's dedicated time (40 hrs/week for full-time), equipment and workstation, HR management, time tracking, and our managed services layer — which includes onboarding support, performance reviews, communication facilitation, and admin overhead. There are no hidden costs. Rate differences between seniority levels reflect experience depth in Apache Kafka & Streaming specifically, not just years in the industry. Rate differences also reflect certification depth — Confluent Certified Developer for Apache Kafka and Confluent Certified Administrator certified developers may be priced at the higher end.

Yes. Our Apache Kafka & Streaming developers hold certifications including Confluent Certified Developer for Apache Kafka, Confluent Certified Administrator. We verify certifications directly and ensure they're current. However, we weight hands-on experience alongside certifications — a certified Apache Kafka & Streaming developer with production ships is more valuable than credentials alone.