Software Security Engineer – Backend (Node)

Design and implement scalable and secure backend services using Python (Django), Node.js (TypeScript/NestJS), and high-performance components in Go.
Architect and optimize solutions for Google Kubernetes Engine (GKE) and GCP services such as Cloud Run and Filestore.
Ensure systems are resilient, observable, and cost-efficient, owning the full lifecycle of services on GCP.
Implement OAuth2/OpenID Connect flows, apply zero trust security principles, and treat security as a core feature.
Optimize PostgreSQL queries for high-concurrency environments and design event-driven architectures using Pub/Sub.
Actively contribute to code reviews and maintain technical standards across the team.
Mentor engineers, foster collaboration, and evangelize DevSecOps best practices.
Promote automation from the start, reducing toil and streamlining delivery processes.
Stay aligned with evolving trends in cloud, security, and open-source technologies.
Note: Detailed project information will be shared during the recruitment process.

Proven expertise in Python and Node.js, with production experience in building and deploying backend services
Proven expertise in Google Cloud Platform (Cloud Run, GKE, Filestore) and Infrastructure as Code (Terraform).
Strong experience designing secure architectures, implementing zero trust models, and handling compliance for security-critical systems.
Familiarity with Go for performance-sensitive components.
T-shaped profile: deep backend expertise with understanding of the overall stack.
Experience in building event-driven systems and microservices in large-scale environments.

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

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