Senior Python Full Stack Security Engineer – Cloud-Native & DevSecOps

Ignite secure innovation — lead the charge for resilient, scalable cloud-native platforms!

Krakow-based opportunity with hybrid work model (up to 3 remote days per week).

As a Senior Python Full Stack Security Engineer, you will be working for our client, a forward-thinking technology company dedicated to building secure, high-performance platforms. You will play a critical role in designing and implementing security-focused services, driving DevSecOps practices, and enhancing engineering resilience across cloud-native infrastructures. This is an exciting chance to make a tangible impact on digital security and innovation.

Your main responsibilities:

• Design and develop secure application services and APIs, ensuring robust security standards.
• Lead technical design discussions and translate complex requirements into reliable solutions.
• Troubleshoot and resolve intricate production issues, conducting thorough root-cause analyses.
• Improve service reliability and resilience through proactive engineering practices.
• Collaborate independently with a strong sense of ownership and cross-team teamwork.
• Engage with cloud technologies and DevSecOps tools to streamline secure software delivery.

You’re ideal for this role if you have:

• A minimum of 5 years of experience in software engineering, security, or related fields.
• Strong proficiency in Python 3.11+ and solid object-oriented programming fundamentals.
• Hands-on experience with Django/FastAPI, TypeScript frameworks (Angular/NestJS).
• Excellent spoken and written English communication skills.
• Deep understanding of RESTful API design best practices.
• Familiarity with CI/CD pipelines and DevOps tooling (Jenkins, GitHub Actions, GitLab CI).
• Experience with GCP, Kubernetes, Terraform, and Helm.
• Knowledge of relational databases, especially PostgreSQL.
• Analytical mindset with strong problem-solving skills and learning agility.

It is a strong plus if you have:

• Basic understanding of open-source licenses (e.g., Apache-2.0, MIT, GPL).
• Familiarity with modern Python tooling (uv, Ruff, Rye), Git workflows.
• Knowledge of Go and Java.
• Understanding of identity protocols and standards: SAML, OAuth2, OpenID Connect.
• Experience with AI-assisted engineering tools like Claude Code and Codex.
• Familiarity with OpenTelemetry and OpenAPI.
• Active technical engagement such as blogging, GitHub portfolio, or open-source contributions.

Language Required for the role:

• Fluent English communication skills.

Eligibility for the role:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.