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Senior Java Developer with Kafka

Java

Senior Java Developer with Kafka

Java

Osiedle Centrum E 12, Kraków

Strategicsiq

Full-time
B2B
Senior
Hybrid

Tech stack

    Java

    advanced

    Kafka

    advanced

    Microservices

    advanced

    SpringBoot

    advanced

    Spring

    advanced

    REST API

    advanced

Job description

We are seeking an experienced Senior Java Developer with strong expertise in Apache Kafka to join our dynamic and innovative development team. In this role, you will be responsible for designing, developing, and maintaining high-performance, scalable backend systems that power our enterprise-grade applications.

You will collaborate closely with architects, DevOps engineers, and product teams to deliver robust, event-driven solutions that ensure data integrity, reliability, and scalability across distributed systems.


Key Responsibilities

  • Design, develop, and deploy high-quality Java-based applications and microservices.

  • Build and manage Kafka streaming pipelines for real-time data processing and event-driven communication.

  • Collaborate with cross-functional teams to define architecture, design patterns, and best practices.

  • Optimize application performance, scalability, and reliability across multiple environments.

  • Implement CI/CD pipelines and participate in code reviews, testing, and system integration.

  • Troubleshoot production issues, identify root causes, and apply long-term solutions.

  • Contribute to continuous improvement by staying up to date with emerging technologies and frameworks.


Required Skills and Qualifications

  • 5+ years of professional experience in Java software development.

  • Strong hands-on experience with Apache Kafka (producers, consumers, streams, and topics).

  • Solid understanding of Spring Framework / Spring Boot and microservices architecture.

  • Experience with RESTful APIs, JSON, and message-driven architectures.

  • Familiarity with Docker, Kubernetes, and CI/CD pipelines.

  • Good knowledge of SQL and NoSQL databases (e.g., PostgreSQL, MongoDB).


Tech stack

    Java

    advanced

    Kafka

    advanced

    Microservices

    advanced

    SpringBoot

    advanced

    Spring

    advanced

    REST API

    advanced

Office location

Published: 31.10.2025

Senior Java Developer with Kafka

Summary of the offer

Senior Java Developer with Kafka

Osiedle Centrum E 12, Kraków

Strategicsiq

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