Senior Java Developer (Kafka & AWS)

24 000 - 33 000 PLNNet per month - B2B
Java

Senior Java Developer (Kafka & AWS)

Java

Armii Krajowej, Kraków +4 Locations

iTeamly

Full-time
B2B
Senior
Remote
24 000 - 33 000 PLN
Net per month - B2B

Tech stack

    English

    B2

    Java

    advanced

    Apache Kafka

    advanced

    AWS

    regular

    SQL

    regular

    Databases

    regular

Job description

🧠 About the project

We are seeking an experienced Java Developer to build scalable, high-performance distributed systems. You will help shape a global streaming platform used by millions, working on solutions that deliver real value and long-term impact.


🔧 Responsibilities

  • Design and develop scalable backend systems that support millions of global users on a high-impact streaming platform.

  • Contribute to shaping the platform’s technical architecture and make strategic engineering decisions with long-term scalability in mind.

  • Collaborate with product managers, designers, and cross-functional teams to deliver end-to-end solutions with real-world impact.

  • Maintain high standards of code quality through peer reviews and shared ownership.

  • Lead features from development through production, aligning technical execution with business objectives.


✅ Must have

  • 5+ years with Java (preferably Java 17) or JVM-based languages

  • Hands-on with Kafka or RabbitMQ

  • Experience with Spring Boot, WebFlux, multithreading, and design patterns

  • Knowledge of Docker, Kubernetes, and AWS (S3, SQS, SNS)

  • Skilled in REST, gRPC, and contract-first API design

  • Good SQL (MySQL/PostgreSQL) and NoSQL (Redis, Elasticsearch) skills

  • Familiar with CI/CD (Jenkins, GitHub Actions) and monitoring (Prometheus, CloudWatch)

  • Understanding of distributed systems and reactive programming



🎯 What we offer

  • Long-term product development role

  • Modern environment (Java 21, cloud, CI/CD)

  • Collaborative team culture

  • Flexible remote model

Published: 10.09.2025
Office location

Senior Java Developer (Kafka & AWS)

24 000 - 33 000 PLNNet per month - B2B
Apply

Senior Java Developer (Kafka & AWS)

Armii Krajowej, Kraków

iTeamly

24 000 - 33 000 PLNNet per month - B2B
Salary
24 000 - 33 000 PLN
Net per month - B2B
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