DevSecOps Engineer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.  

Join our client’s team as a DevSecOps Engineer!

Are you an expert in CI/CD platforms with a strong security mindset? We are seeking a DevSecOps Engineer to design and evolve secure, high-performance build pipelines for multi-language applications, ensuring supply chain integrity and compliance in a global environment.

Sounds like your kind of challenge?  

#LI- Hybrid – 6 days a month from the office in Kraków

What you get in return

Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)

Hybrid work setup – 6 days a month from the office in Kraków

Collaborative team culture – work alongside experienced professionals eager to share knowledge 

Continuous development – access to training platforms and growth opportunities 

Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 

High quality equipment – laptop and essential software provided

Daily tasks

• Design, implement, and maintain Groovy-based Jenkins pipeline steps for build, test, packaging, scanning, and deployment.
• Extend and refine Python tooling for SLSA provenance, SBOM generation, hash/digest verification, and security scan aggregation (SonarQube, Sonatype IQ, SAST, container scans).
• Optimize pipeline performance through parallelization, caching, and smart dependency management.
• Ensure artifact integrity, reproducible builds, and accurate cryptographic mappings (SHA1/SHA256).
• Refactor legacy scripts for stability and compliance, apply standard templates, and eliminate global state issues.
• Define and document ci-config.yaml standards and enforce usage patterns.
• Mentor teams on DevSecOps best practices, supply chain security, and secure pipeline design.
• Troubleshoot and proactively prevent pipeline incidents across environments.

Requirements

Experience & Skills:

Minimum 7+ years in engineering roles, with 3+ years in DevSecOps or CI/CD platform engineering .

Strong hands-on expertise with Jenkins Shared Libraries (Groovy) .

Advanced Python programming for automation, YAML/JSON parsing, and tooling development.

Solid understanding of multi-language build pipelines: Java/Maven, Node/NPM, Python , with exposure to Helm, Terraform , and container image metadata handling.

Security Expertise:

Deep knowledge of supply chain security standards (e.g., SLSA, SBOM via CycloneDX, artifact digests).

Experience with static and container scanning tools: SonarQube, Sonatype IQ, SAST .

Performance Tuning:

Proven ability in build optimization techniques, caching, and dependency pruning.

Compliance Awareness & Documentation Discipline.

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Must have: Jenkins, Groovy, Python, YAML, JSON, Java, Maven, Node.js, npm, Helm, Terraform, Security, SonarQube, SAST, Performance tuning