Python Software Engineer (Cybersecurity)

Our requirements

• At least 3 years of commercial experience developing backend software in Python
• Practical understanding of secure backend development
• Knowledge of authentication, identity, or secure networking concepts
• Experience or strong familiarity with LDAP and/or RADIUS
• Ability to design reliable backend services that operate in enterprise environments
• Understanding of Linux services and backend application deployment
• Experience with automated testing, code review, and maintainable software engineering practices
• Working knowledge of CI/CD concepts, preferably with GitHub-based pipelines
• Interest in cybersecurity, secure software design, and enterprise authentication systems
• Ability to analyze technical problems independently and propose robust engineering solutions

Optional

• Another backend programming language, especially C++, Rust, or Go
• Active Directory
• Enterprise cloud identity solutions such as Microsoft Entra ID
• LDAP security and directory integrations
• RADIUS and RadSec
• x.509 certificates, TLS, and certificate-based trust models
• SIEM systems and security log export
• SIEM log formats such as CEF, Syslog, and JSON
• Development of server-side software for Linux and Windows Server
• Software application security
• Secure networking concepts
• GitHub Actions or similar CI/CD systems
• Formal education in Information Security, Cybersecurity, Computer Science, or a related field, or equivalent demonstrated professional experience

Your responsibilities

• Develop and extend backend cybersecurity services written in Python
• Build and maintain authentication-related connectors for LDAP, RADIUS, RadSec, and related protocols
• Work with enterprise identity and access technologies such as Active Directory and LDAP
• Design integrations that allow Rublon MFA logs to be exported to SIEM systems
• Work with security log formats such as CEF, Syslog, and JSON
• Improve the performance, scalability, and reliability of backend authentication services
• Implement observability improvements, including structured logging, monitoring, metrics, and diagnostics
• Develop services for Linux and Windows Server environments
• Design secure, maintainable software with attention to authentication, authorization, networking, and operational security
• Build and maintain CI/CD pipelines using GitHub
• Collaborate with engineers on architecture, design, implementation, testing, and code reviews

About the project

Why Apply ? This role may be a strong fit if:

• You want to build backend technology in the cybersecurity space
• You are interested in enterprise authentication, MFA, identity systems, and secure networking
• You enjoy developing reliable services that run in real customer environments
• You want to work on integrations with protocols and systems such as LDAP, RADIUS, Active Directory, RadSec, x.509, and SIEM platforms
• You prefer backend engineering and do not want a frontend-focused role
• You value secure coding practices, automation, observability, and long-term maintainability
• You want to grow professionally in cybersecurity and backend software engineering

Steps After You Apply

• You’ll be invited to an online meeting with our recruiter
• Afterwards, we’ll ask you to complete a small assignment, which will then be discussed with one of our technical leads
• If everything goes well, we will make you an offer and invite you to a final interview

Benefits

• private medical care
• remote work opportunities
• flexible working time
• integration events
• no dress code
• coffee / tea

Recruitment stages

• 1.
  online meeting with our recruiter
• 2.
  a small assignment
• 3.
  a final interview and potential offer

RUBLON sp. z o.o.