About the role

  • Software Engineer developing and maintaining software for Quantum Key Distribution systems at zerothird, a leader in quantum cryptography based in Vienna.

Responsibilities

  • Design, develop, and maintain robust software for our advanced QKD systems, ensuring high performance and reliability.
  • Build secure software and software infrastructure (such as image registries, security scanners, PKI, etc.), and harden Linux systems and network configurations.
  • Collaborate with colleagues to create software that is not only secure but also highly efficient and capable of operating under stringent conditions.
  • Improve development methodologies by supporting and enhancing software development processes, testing, and DevOps practices.

Requirements

  • Proven experience designing, developing, and maintaining complex software systems with a strong focus on security and reliability.
  • Proficiency in systems programming languages such as C, C++, or Rust, with a strong preference for Rust experience.
  • Expertise in building secure software and implementing secure software lifecycles is highly valued—this may include experience with code signing, certificates, authentication, secure communications, and other secure software mechanisms.
  • Experience in one or more of the following areas is highly regarded: security-sensitive systems and cryptography; fail-safe systems and certified software; distributed and high-availability systems.
  • Solid understanding of GIT, GitLab, and CI/CD pipelines; Kubernetes experience is a plus.
  • Excellent command of English and/or German, both written and spoken, to ensure effective communication within a diverse team.

Benefits

  • Vibrant Quantum Community: Join a young, dynamic team that fosters open dialogue at all levels and maintains a friendly, relaxed atmosphere.
  • Family-Friendly Workplace: zerothird supports work–life balance and the needs of working parents, offering flexible working arrangements, part-time options, and a culture that prioritizes family.
  • Exceptional Career Opportunities: As a startup at the forefront of deploying unique quantum cryptography technologies worldwide, we offer outstanding opportunities for career growth both in Austria and internationally.
  • Inclusive Culture: Enjoy an informal first-name culture ("Duz‑Kultur") that encourages quick decisions and a friendly, open working environment.
  • Personalized Onboarding: Receive comprehensive onboarding and training, supported by a dedicated mentor to ensure a smooth transition.
  • Daily Energizers: Complimentary soft drinks, coffee, tea, fresh fruit, and ice cream to keep you refreshed throughout the day.
  • Special Events: Participate in memorable company events, including summer parties and festive Christmas celebrations.

Job title

Software Engineer – QKD Systems

Job type

Experience level

Mid levelSenior

Salary

€3,378 per month

Degree requirement

Bachelor's Degree

Location requirements

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