Ability and willingness to work hybrid in our office in Warsaw (1-2 days per week onsite), A Bachelor's degree in Computer Science, Engineering, or a related technical field., 3-5 years of proven experience in DevOps engineering, CI/CD pipeline development, or automation roles., Advanced proficiency with Jenkins including:, Jenkins Pipeline-as-Code development using Groovy DSL, Declarative and Scripted Pipeline syntax, Jenkins shared libraries and pipeline templates, Plugin ecosystem and custom plugin integration, Master/agent configuration and scaling strategies, Strong experience with Harness or similar platforms for continuous deployment and delivery automation., Expert-level Bash scripting skills for automation, build processes, and system integration., Solid understanding of Groovy programming language for Jenkins pipeline development and customization., Experience with version control systems (Git) and branching strategies., Knowledge of build tools and package managers (Maven, Gradle, npm, pip, Docker)., Understanding of containerization technologies (Docker, Kubernetes) and their integration with CI/CD pipelines., Experience with automated testing frameworks and their integration into deployment pipelines. Familiarity with cloud platforms (GCP or AWS or Azure) and their native CI/CD services., Strong troubleshooting skills and experience with pipeline debugging and optimization., Excellent collaboration skills and ability to work closely with development and operations teams., Polish (at least B2 - both spoken and written), English (at least C1 - both spoken and written), Experience with additional CI/CD platforms (GitLab CI, Azure DevOps, CircleCI, GitHub Actions)., Knowledge of Infrastructure as Code tools (Terraform, Ansible) and their pipeline integration., Experience with monitoring and observability tools for pipeline metrics (Prometheus, Grafana, Datadog)., Understanding of security scanning tools and their integration into CI/CD pipelines (SonarQube, Snyk, Wiz)., Experience with artifact management solutions (Nexus, Artifactory, Harbor)., Knowledge of database migration automation and deployment strategies., Familiarity with feature flag management and progressive deployment techniques., Experience with compliance frameworks and audit requirements in regulated environments (PCI DSS)., Understanding of microservices deployment patterns and service mesh integration., Experience with pipeline optimization techniques and build acceleration strategies.

Lunch card, Sport card access, private medical care, life insurance, fruits, dental care, no dress code, coffee / tea