Senior Java Developer

The project centers around a high-performance Kotlin application consisting of 7 functional services. It serves as a vital translation layer for JSON/XML web service communications within the global airline content distribution ecosystem. The system is deployed in a Google Cloud Platform (GCP) environment, powering integration and communication for multiple airline carriers and agencies worldwide.

• 4+ years of relevant professional experience as a Java or Kotlin Developer in complex software projects.
• Proficiency in Kotlin and/or Java, Spring, REST Services, Git, Maven, and Jenkins.
• Hands-on development experience with GCP, Kubernetes, Docker, and user-level Linux/virtual machines.
• Ability to work in a hybrid model (2–3 days a week from the Krakow office, CET time zone).
• Strong analytical thinking, task independence, excellent English communication, and a collaborative, team-first mindset.

Nice to have:

• Experience with AI-related concepts and tools.
• Experience with Prometheus/Grafana monitoring.
• Experience with specialized web services infrastructure.

• Design, develop, and maintain cloud-native microservices using Kotlin and Java.
• Build and support RESTful APIs, web service interfaces, and integration components.
• Maintain CI/CD pipelines, deployment processes, and cloud infrastructure integration.
• Work with Linux-based virtualized environments, Docker, and Kubernetes.
• Troubleshoot complex issues, optimize application performance, and write clean, maintainable code.
• Collaborate within an agile environment on simultaneous projects and deliver technical goals.

Must possess a legal work permit in Poland