Software Engineer - QKD Systems | zerothird (m/w/d)

zerothird GmbH; Wien; Vor Ort; EUR 34.310 - 41.097; Vollzeit

Benefits dieser Stelle

Flexible working arrangements

Comprehensive onboarding and mentorship

Complimentary soft drinks, coffee, tea, fresh fruit

Company events including summer and Christmas parties

Zusammenfassung

zerothird GmbH in Vienna is seeking a skilled Software Engineer to enhance our Quantum Key Distribution systems. You will design and maintain secure, reliable software while collaborating with a vibrant team. Enjoy flexible work arrangements, comprehensive onboarding, and dynamic company culture enriched with social activities.

The ideal candidate will have expertise in programming languages such as Rust, C, or C++, and be well-versed in secure software practices. Join us in delivering cutting-edge quantum cryptography solutions worldwide!

Qualifikationen

• Experience in designing, developing, and maintaining complex software systems
• Proficiency in C, C++, or Rust programming languages
• Knowledge of secure software lifecycle practices

Aufgaben

• Design, develop, and maintain robust software for QKD systems
• Build secure software and infrastructure for QKD
• Enhance development methodologies and DevOps practices

Kenntnisse

C programming

C++ programming

Rust programming

Security-sensitive systems

Cryptography

CI/CD pipelines

Kubernetes

Tools

GIT

GitLab

Jobbeschreibung

Zerothird GmbH lead the field in quantum cryptography, based in Vienna and specializing in polarization-entanglement-based Quantum Key Distribution (eQKD). To accelerate our market growth, we’re seeking a highly skilled Software Engineer to join our innovative team in Vienna, focusing on the development and maintenance of software for our cutting‑edge Quantum Key Distribution (QKD) systems. This role is instrumental in crafting secure, efficient, and reliable software solutions that enhance the performance and security of our QKD product. We particularly welcome applications from women to further increase diversity among us.

Responsibilities

• Design, develop, and maintain robust software for advanced QKD systems, ensuring high performance and reliability.
• Build secure software and infrastructure (e.g., image registries, security scanners, PKI), harden Linux systems and network configurations, develop threat models, and adopt CIS‑benchmark requirements for existing projects.
• Collaborate to create software that is secure, highly efficient, and operational under stringent conditions.
• Enhance development methodologies by supporting and improving software development processes, testing, and DevOps practices.

Qualifications

• Demonstrated experience in designing, developing, and maintaining complex software systems with a 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 developing secure software systems and secure software lifecycle (code signing, certificates, authentication, secure communication).
• Specialized knowledge 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, CI/CD pipelines; Kubernetes is a plus.
• Excellent command of English and/or German, both written and spoken.

Benefits

• A vibrant, dynamic team where dialogue is fostered at all levels, with internal social activities such as backgammon tournaments.
• Family‑friendly workplace supporting flexible arrangements and part‑time possibilities for working parents.
• Unparalleled career growth opportunities in a startup delivering quantum cryptography worldwide.
• Inclusive culture with a first‑name “Duz‑Kultur”, short decision‑making processes, and open office environment.
• Comprehensive onboarding with dedicated mentorship to ensure a smooth transition.
• Complimentary amenities—soft drinks, coffee, tea, fresh fruit, and ice cream—to keep you refreshed.
• Company events including summer parties and Christmas parties.

Salary and Benefits

The minimum gross salary for this position is €3.378,48 per month (full‑time basis) in accordance with the collective agreement, plus commission. However, higher salary can be offered depending on experience and qualifications.