Astec
Astec

Python Backend Developer (Cyber Security)

May 6, 2025
Full-time
Remote · Cracow, Małopolskie, Poland
Mid-Senior level
Back-end Developer
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Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers, endpoints and applications.

We are looking for a long-term employee or contractor who will support development efforts in the following project:

Development of connectors for Cybersecurity Technologies

Rublon provides connectors that enable multi-factor authentication for third-party technologies and data exchange, e.g.: Rublon Authentication Proxy, Active Directory Sync. We want to enhance these solutions by supporting more use cases and IT environments.

How You'll Work

  • You'll work remote or in our offices in Kraków and Zielona Góra
  • Technology Stack: Python, LDAP, RADIUS, Active Directory, Windows Server, Linux
  • Language: Polish for communication with team members; English for project documentation and commit comments
  • Hardware: modern laptop
  • Office: Ergohuman chair, external display
  • Self development: access to online training courses, sponsored certifications
  • Benefits: access to private medical care and MultiSport card (employees only)

What You'll Do

As a developer at Rublon you will help develop software for modern user authentication:

  • Development of Rublon connectors for cybersecurity technologies
  • Develop enterprise software solutions for user authentication
  • Development takes place locally on your company laptop as well as on external environments
  • Analyze requirements, create concepts and discuss them with the product manager
  • Monitor code quality and perform code reviews
  • Design, implement and execute development and integration tests

Skills You Have

  • Thorough experience in backend server software development using Python
  • Ability to confidently communicate with peers
  • Ability to speak Polish fluently

Requirements

  • At least two years of commercial software development experience
  • Completed higher education in computer science
  • Work permit in Poland

Nice To Haves

  • Former commercial experience as IT systems administrator (Windows Server, Linux)
  • Knowledge about Active Directory administration
  • Knowledge about server administration (Windows Server, Linux)
  • Knowledge about networking concepts (UDP, TCP)
  • Experience in configuring commercial firewalls and VPN access
  • Experience with software performance testing
  • Knowledge of Identity & Access Management (IAM) concepts
  • Experience in unit testing, test design and test automation
  • Experience in network penetration testing
  • Knowledge about writing secure software

Why Apply

  • You’re eager to join a highly collaborative team of cybersecurity software experts, developing cutting-edge user authentication solutions
  • You find fulfillment in creating technology that has a global impact by safeguarding organizations from cyber threats

Steps After You Apply

  • You’ll be invited to an online meeting with our recruiter
  • Afterwards, we’ll ask you to do 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