Senior Software Engineer (Java)

j-labs software specialistCracownofluffjobspublished 08/16/2026

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Must-have:JavaAngularGitGoogle CloudCloudDevOpsCI/CDMicroservicesAISenior

Machine translation — original language: Polish.Show original

We are looking for an experienced Senior Software Engineer Java, whose main task will be the modernization and maintenance of existing Java applications in a corporate environment. The work focuses on the evergreening of legacy code, production support, and the use of modern DevOps practices and AI tools.

Technologies in the project:

Java SE, Java 17
Spring Boot, Spring Cloud
Angular
GCP
Redis
REST API
Jenkins
Ansible

Location: Kraków, hybrid work (2 days from the office).

Daily tasks

Application maintenance
Service Management
Collaboration with the business
Solution design
Monitoring and DevOps

Requirements

Requirements (must have)

minimum 5 years of experience with Java,
experience with distributed systems,
knowledge of microservices based on Java 17 and Spring Boot,
knowledge of DevOps tools,
experience with CI/CD,
experience with Jira and Confluence,
experience with Ansible,
experience in Vulnerability Remediation,
very good analytical skills,
ability to cooperate in an international environment.

Requirements (nice to have):

Experience working with AI tools (GitHub Copilot/ Claude Code) is welcome

Must have: Java, Spring Boot, CI/CD, Jira, Confluence, Ansible, Microservices