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Hornetsecurity

Senior C# .NET Core Developer

Hornetsecurity
Germany · Full-time · Mid-Senior

The Hornetsecurity Group is the leading cloud security provider in Europe, protecting the IT infrastructure, digital communication, and data of companies and organizations of all sizes.

Join our fight against cybercrime and become part of the international team! We’re on the lookout for a highly motivated C# .NET Core Developer.


Your Job

  • You will join a team of diverse specialists and create the core of what makes our products successful: A malware protection solution that our users love and bad guys dread. Working primarily with .NET Core, you will have a direct and immediate impact on the security of end-users.
  • Build the backend systems that power Hornetsecurity‘s flagship product.
  • Design and scale REST-based APIs and background services using technologies like .NET Core, Redis and RabbitMQ
  • Write beautiful code accompanied by good documentation and coverage by integration tests.


Our tech stack

  • Frontend: Angular, TypeScript, RxJS, HTML5, CSS3.
  • Backend: C#, .NET 8+, ASP.NET Core.
  • Storage and messaging: MariaDB, RabbitMQ, Redis, Elasticsearch, ClickHouse.
  • Infrastructure: GitLab, k8s, Kibana, Prometheus, Grafana.


Your Profile

  • Experience in software development – at least 7 years.
  • Strong background in C#/.NET Core development (5+ years).
  • Expert knowledge in background data processing using message brokers and task queues.
  • Strong communication skills with ability to efficiently deal with software requirements, questions, concerns and feedback in both directions.
  • Fluent in English.


Your Benefits

  • Be part of a growing global company in one of the most dynamic industries - cybersecurity.
  • Free space for innovation and independent action in a fast-growing international company.
  • Short decision paths and flat hierarchies in an open working atmosphere.
  • Personal and professional development opportunities.
  • Unlimited contracts - we’re looking for hornets to grow long-term with us.
  • Temporary Employee Exchange Program – opportunity to work at our global office locations (e.g. Malta, Madrid, Montréal, Washington D.C.).
  • Home-office option and flexible, trust-based working time.
  • Be-Active Bonus - allowance for membership in fitness and sports clubs.

Key Skills

Ranked by relevance

redis c cloud security elasticsearch typescript prometheus rabbitmq angular mariadb gitlab html5 cloud
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Posted
Feb 04, 2026
Type
Full-time
Level
Mid-Senior
Location
Germany

Industries

IT Services IT Consulting Software Development

Categories

Information Technology

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