Data Engineer (Kafka/ Flink)

In the company we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Data Engineer to design, build, and evolve data-driven services and streaming pipelines. You will work closely with business requirements and product teams to deliver robust, scalable, and high-performance solutions in a modern cloud and streaming environment.

Project information:

• Type of project: core data platform for global logistics

• Office location: Warsaw, Poland

• Work mode: Remote from Poland

• Budget: 110-130 PLN net/ h- b2b

• Project length: Tiill the end of 2026, possible to extend it

• Only candidates with citizenship in the European Union and residence in Poland

• Start date: ASAP (depending on candidate’s availability)

Project scope:

• Implement features and user stories based on business requirements

• Develop and deliver sprint backlog items end-to-end

• Build and maintain stream processing pipelines using Kafka and Apache Flink

• Develop backend services using Java (Spring / Quarkus)

• Ensure strong test coverage and code quality

• Implement and evolve Avro schemas with Schema Registry

• Maintain and improve data integration flows across systems

• Monitor and fine-tune application and streaming performance

• Contribute to architecture improvements and design decisions

• Work with AWS services (Lambda, DocumentDB, S3) for supporting platform components

• Collaborate with cross-functional teams in an agile environment

Competence demands:

• 6+ Years of experience with Kafka/ Flink

• Apache Kafka / Confluent (producers, consumers, Kafka Connect)

• Apache Flink (stream processing, stateful/stateless concepts)

• Strong experience in Java (with Spring and/or Quarkus)

• Experience with Avro schema design

• Hands-on experience with Confluent Schema Registry and API usage

• Experience with AWS services (such as Lambda, DocumentDB, S3, etc.)

• Strong understanding of event-driven architectures

• Very good English skills

Nice to have:

• Terraform, Python

• Snowflake

• AsyncAPI

• BDD / Cucumber

• GitOps / CI/CD (PR-based workflows, GitFlow)

We offer:

• Remote working model

• Dynamic and innovation-driven engineering environment

• Full-time job agreement based on b2b

• Private medical care with dental care (covering 70% of costs)

• Multisport card (also for an accompanying person)

• Life insurance