DevOps Engineer

Experience: 4+ years
Domain: Banking & Finance
Location: Hybrid, Kraków (Poland)
Office: 2 days per week required

About the role
We are looking for a Senior DevOps / CI/CD Platform Engineer to own and further develop a Jenkins-based CI/CD platform used across multiple teams. The role focuses on building secure, standardized, multi-language pipelines with strong emphasis on software supply chain security, compliance, and developer experience.

Responsibilities

• Own and evolve a reusable Jenkins Shared Library
• Design standardized CI/CD pipelines with flexible, declarative configuration
• Support multi-language build workflows (Java, .NET, Node.js, Python)
• Manage container builds, image tagging, digests, and metadata
• Develop and maintain Helm and Terraform pipelines
• Integrate security and quality tools into CI/CD workflows
• Generate SBOMs, provenance, and attestations aligned with SLSA
• Build reliable deployment and regression testing pipelines
• Collaborate with development and infrastructure teams
• Provide documentation and CI/CD best practices

Requirements

• Strong experience with Jenkins and Jenkins Shared Libraries
• Hands-on CI/CD experience for Java, Node.js, Python, and .NET
• Solid understanding of containerized build and deployment workflows
• Experience with Helm and Terraform
• CI/CD security tooling experience (SonarQube, Sonatype IQ, SAST/DAST, container scanning)
• Experience with secrets management (preferably HashiCorp Vault)
• Knowledge of software supply chain security (SBOMs, artifact signing, provenance)
• Strong scripting skills (Groovy, Bash, or similar)
• Background in DevOps, CI/CD, or Platform Engineering
• Self-driven problem solver
• Fluent English

Nice to have

• Experience with SLSA maturity levels
• Familiarity with CycloneDX or SPDX
• Experience supporting CI/CD platforms at scale
• Kubernetes or cloud-native platforms experience
• Developer platform or internal tooling background

Tech stack
Jenkins, CI/CD, DevOps, Helm, Terraform, SonarQube, HashiCorp Vault, Bash

Additional info

• Hybrid work from Kraków (office twice per week)
• Project duration: to be confirmed
• Mandatory Time Away up to 10 days per year (usually in December)
• Identity verification required before employment