Senior C Developer - remote

• Drive the continued development of our high-performance DDoS defense systems and help make the Internet a safer place.
• Analyze existing and emerging attack vectors, design effective mitigation strategies, and protect our customers from malicious traffic.
• Architect, build, and operate globally distributed software systems that process and classify large volumes of Internet traffic in real time.
• Contribute to a performance-critical environment where efficiency, scalability, and reliability matter every day., * We live our startup mentality at heart. The professional framework gives us the growth and stability of Link11- founded in 2005 . W e are still strong today working alongside the founders and the management team.
• We are full of energy, have short decision-making paths and bring changes directly on the way .
• We live a positive, interactive and appreciative working atmosphere in which all employees can contribute.
• We encourage the further development of our employees.
• We are willing to leave our comfort zone for innovation and improvement because we want to be the best in the market.

• Strong proficiency in C , with a focus on writing clean, efficient, and maintainable code.
• Deep understanding of low-level programming concepts such as pointers , memory management , locks , and threads .
• Solid grasp of common programming paradigms, data structures, and algorithms; ideally, you are also familiar with lock-free / lockless programming concepts.
• Passion for debugging complex systems and solving intricate technical challenges - ideally using tools such as gdb , valgrind , or similar.
• A mindset geared toward sharing knowledge, learning continuously, and contributing to technical discussions.
• Ability to work both independently and collaboratively, while communicating requirements, challenges, and progress clearly to technical and non-technical stakeholders.
• Excellent communication skills in English and German .

Link11 is a specialized European IT security provider in the field of cyber-resilience. The global protection solutions of the Cloud Security Platform are fully automated, react in real-time and defend against all attacks, including unknown and new patterns, in under 10 seconds. According to unanimous analyst opinion (Gartner, Frost & Sullivan) Link11 offers the fastest mitigation (TTM) available on the market. To ensure cyber-resilience, web and infrastructure DDoS protection, bot mitigation, API protection, secure DNS, zero touch WAF, secure CDN, and threat intelligence services, among others, ensure holistic and cross-platform hardening of corporate networks and critical applications. International customers can thus concentrate on their business and digital growth. Since the company was founded in 2005, Link11 has received multiple awards for its innovative solutions.