Senior Java Architect - Kafka, Kubernetes & Spring

GFT Technologies SE; Kraków; Hybrid; PLN 214,000 - 282,000; Full time

Job summary

GFT Poland in Kraków is seeking a senior Java developer to design, develop and test enterprise-grade applications. You will build event-driven services using Apache Kafka, Spring and Hibernate, and ensure smooth Kubernetes deployments for scalable, resilient systems.

You will collaborate with cross-functional teams, contribute to architecture discussions, and drive CI/CD delivery while adhering to TDD/BDD practices and cloud-based development.

Qualifications

• 7+ years of commercial Java development experience.
• Strong knowledge of Spring Framework.
• Experience with Hibernate.
• Hands-on with Apache Kafka and event-driven architectures.
• Understanding of Kubernetes concepts for app development.
• Knowledge of JMS and SQL.
• Experience with Git and CI/CD processes.
• Experience with distributed systems and microservices.
• Familiarity with cloud-based solutions.

Responsibilities

• Design, develop, test enterprise-grade Java applications.
• Implement scalable, maintainable and resilient software solutions.
• Develop event-driven services using Apache Kafka.
• Design Java applications that effectively leverage Kubernetes capabilities.
• Create and maintain applications based on Spring Framework and Hibernate.
• Design and develop integrations using JMS.
• Participate in architecture discussions and code reviews.
• Write unit and integration tests using TDD and BDD practices.
• Analyse and resolve complex application and integration issues.
• Collaborate with cross-functional teams throughout the development lifecycle.
• Contribute to CI/CD processes and application delivery.

Skills

Java development

Spring Framework

Hibernate

Apache Kafka

Kubernetes

JMS

SQL

Git

TDD/BDD

Cloud solutions

Microservices

CI/CD

Distributed systems

Job description

GFT Poland in Kraków is seeking a senior Java developer to design, develop and test enterprise-grade applications. You will build event-driven services using Apache Kafka, Spring and Hibernate, and ensure smooth Kubernetes deployments for scalable, resilient systems.

You will collaborate with cross-functional teams, contribute to architecture discussions, and drive CI/CD delivery while adhering to TDD/BDD practices and cloud-based development.