At Mindboxwe connect top IT talents with technology projects for leading enterprises across Europe.
Our client's looking for an experienced Software Security Engineer to help us design and deliver secure, cloud-native platforms and improve engineering resilience. You will work across application architecture, infrastructure, and DevSecOps practices, having a real impact on the security and reliability of services used by thousands of customers.
Sounds like your kind of challenge?
#LI - Hybrid: 6x/msc from the office in Kraków
Responsibilities
- Flexible cooperation model - choose the form that suits you best
(B2B, employment contract, etc.)
- Hybrid work setup - 6x/msc 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
Requirements
- Design and develop secure application services and APIs.
- Lead technical discussions and translate requirements into robust solutions.
- Troubleshoot complex production issues and conduct root cause analysis.
- Improve system reliability and resilience through proactive engineering practices.
- Work independently with strong ownership while collaborating across teams.
Note:Detailed project information will be shared during the recruitment process.
Benefits
- Strong Python skills (Python 3.11+) and solid object-oriented programming fundamentals.
- Hands-on experience with Django or FastAPI.
- Proficient in TypeScript frameworks (Angular, NestJS).
- Excellent English communication skills for daily collaboration.
- Strong understanding of RESTful API design.
- Familiarity with CI/CD and DevOps tools (Jenkins, GitHub Actions, GitLab CI).
- Cloud and infrastructure knowledge: GCP, Kubernetes, Terraform, Helm.
- Experience working with relational databases (PostgreSQL preferred).
- Analytical mindset, learning agility, and problem-solving approach.
Nice to have
- Understanding of open-source licenses (e.g., Apache-2.0, MIT, GPL).
- Familiarity with modern Python tooling (uv, Ruff, Rye) and Git workflows.
- Knowledge of Go and Java.
- Identity standards and protocols: OAuth2, OpenID Connect, SAML.
- Experience with AI-assisted coding tools (Claude Code, Codex).
- OpenTelemetry/OpenAPI familiarity and visible tech engagement (e.g., GitHub contributions).
Joining this project you’llbecome part of Mindbox - a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’llback you up every step of the way, accelerate your development, and ensure your skills make a difference.

