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?
This is how we organize our work
This is how we work
at the client's site
agile
scrum
Your responsibilities
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.
Our requirements
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.
Optional
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).
What we offer
Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
Hybrid work setup – 6x/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
This is how we work on a project
Continuous Deployment
Continuous Integration
DevOps
issue tracking tools
testing environments
Benefits
sharing the costs of sports activities
private medical care
sharing the costs of professional training & courses
life insurance
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.
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
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