7 English-speaking jobs in Rybnik

The Product Development & Innovation Project Manager coordinates and drives strategic, high-impact initiatives across Greif's global organization. This role ensures cross-functional projects are delivered on time, within scope, and aligned with company priorities.

Develop and improve Rublon Authentication Proxy with advanced LDAP and RADIUS capabilities. Focus on scalability, reliability, and observability for enterprise and cloud use cases.

Develop software for modern user authentication. Perform security research on Windows and Active Directory security, including authentication protocols and MFA integration.

Conduct in-depth threat modeling and cryptographic analysis of Rublon's authentication flows. Prototype and validate next-generation passwordless methods such as WebAuthn/FIDO2 passkeys. Continuously monitor emerging attack vectors. Translate research insights into production-ready features. Document and communicate findings in clear, risk-ranked reports. Support incident simulation and response.

Software Engineer will design, implement, and optimize secure software in Rust and C++. Contribute to passwordless authentication components in TypeScript and build secure solutions for web proxies and communication layers.

Senior Python Software Engineer will design, build, and evolve Python services and data-driven components for network planning and delivery applications. Responsibilities include developing data pipelines, working with PostgreSQL, implementing geospatial capabilities, and collaborating in a SAFe setup.

Develop secure, high-performance software in Rust and C++ for a multi-factor authentication platform. Contribute to passwordless authentication components and build solutions for web proxies and reverse proxies.