Senior Python Full Stack Developer – Security and Cloud Infrastructure

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

Description

As a Senior Python Full Stack Developer – Security and Cloud Infrastructure, you will design and build secure, scalable platforms that enhance engineering resilience and support software delivery at speed.

Responsibilities

• Design and develop secure application services and APIs in line with best practices.
• Lead technical design discussions and translate requirements into robust, scalable solutions.
• Troubleshoot complex production issues and conduct thorough root-cause analysis.
• Improve service reliability and resilience through proactive engineering practices.
• Work independently with strong ownership and collaborate across cross-functional teams.

Requirements

• At least 5 years of software engineering experience, specifically in security and cloud infrastructure.
• Strong Python skills; Python 3.11+ preferred.
• Solid object-oriented programming fundamentals.
• Hands-on experience with Django/FastAPI and TypeScript frameworks such as Angular/NestJS.
• Excellent spoken English communication skills.
• Strong understanding of RESTful API design best practices.
• Familiarity with CI/CD pipelines and DevOps tooling, including Jenkins, GitHub Actions, or GitLab CI.
• Experience with GCP, Kubernetes, Terraform, and Helm.
• Proficiency with relational databases, preferably PostgreSQL.
• Strong analytical mindset, learning agility, and problem-solving approach.

Preferred Qualifications

• Basic understanding of open-source software licenses, such as Apache-2.0, MIT, and GPL.
• Familiarity with modern Python tooling including uv, Ruff, and Rye, as well as Git workflows.
• Experience with Go and Java.
• Knowledge of SAML, OAuth2, and OpenID Connect.
• Proficiency with AI-assisted engineering tools such as Claude Code and Codex.
• Familiarity with OpenTelemetry and OpenAPI.
• Visible technical engagement through blogging, a GitHub portfolio, or open-source contributions.

Language

• Fluent English.

Eligibility

• Only candidates with an existing legal right to work in Europe will be considered.