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Software Developer (f/m) C/C++ - IT Security


Help us make the internet a safer place!

Link11 is growing its development team in Hamburg, Germany. We are currently looking for full-time software engineers in c/c++ to help us further advance our cloud based security platform.

What you'll do

  • Contribute to the developement of new features or enhancements in C for our DDoS filter technology.
  • Analyze requirements for enhancements to the current product line as well as for new products.
  • Take responsibility in designing new features or enhancements to existing features of the Link11 Cloud Security Platform.
  • Work closely with our product mangement to continuously deliver user driven enhancements to customers.

Your skills & profile

  • Degree or professional experience in a Technology Development/Engineering discipline.
  • Very good knowlegde and experience in progamming C/C++
  • Experience with version control systems such as git
  • Solid understanding of IP networks
  • Understanding of network security fundamentals
  • Experience with mutli-threaded programming
  • Experience agile development programs
  • Excellent oral and verbal communication skills in English, knowlegde of German is a plus
  • Self-starter, independent thinker, collaborative to drive consensus where necessary

About us

Link11 is a fast growing IT security provider with a global Security Cloud that offers core services in DDoS Protection and Analytics, Web Application Firewall and Content Delivery Networking. Our mission is to make the internet a safer place by defending cyber-attacks and ensuring data availability. We are a higly motivated team that challenges the dynamic global market. We embrace diversity and open-mindedness and are forging a team where everyone is able to thrive and develop their true potential.

What we offer

  • Excellent career opportunities while working with a great team
  • Exciting new tasks and avantgarde technology
  • Competetive and merit-based salary
  • Compelling benefits package (mobility, fitness, childcare, flex time, etc.)
Want do know more?

If you have questions or require additional information, please contact us via or +49(0)69-2649297711.



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Link11 Benefits

We want you to be happy! At work, we offer coffee specialities, a selection of drinks as well as fruit and healthy snacks for your physical well-being. Our extensive benefits programme makes life more enjoyable. Put together your individual package according to your own preferences and needs.

Mobility & Fitness

Mobility & Fitness

We ensure mobility! Whether in the gym, by public transport, by car or riding your stylish company bike - the choice is yours.

Lunch & Snacks

Lunch & Snacks

At Link11, we like to eat lunch together at the kitchen table! Fresh fruit and other healthy snacks are also available all day.



We help you fit everything in. You can work flexible hours and we will even subsidise your nursery fees.

Cocktails & Beer

Cocktails & Beer

In the evening, we like to treat ourselves to a drink at our gin bar at knocking-off time or share a beer together before going home.