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Senior C Developer for GuardiCore

Kyiv, Ukraine

C++ vacancies


On behalf of GuardiCore, Ciklum is looking for a Senior C Developer to join the team in Kyiv on a full-time basis.



  • Design and research high-performance lightweight network security monitoring and deception solution
  • Develop Guardiсore back-end and agents from the ground up, design distributed communication applications with an extremely low footprint
  • Work with a myriad of operating systems
  • Tackle new weave performance and scale issues, running on production servers in a state of the art data-centers, including cutting-edge technologies such as containerized and serverless environments
  • Be a part of a professional team working on varied projects in a dynamic working environment


  • At least 4 years of experience with C or C++
  • Deep knowledge of the networking stack and socket programming
  • Experience working with multithreaded applications
  • Experience working with Linux/Unix-like systems
  • Network security – FW, IPS, Attacks (DDoS, Reply, MITM)


  • Python knowledge
  • Previous experience working on security-based projects
  • Background in reverse engineering (e.g. work with IDA, WinDBG)
  • Sc in computer science or related degree

What's in it for you

  • A unique working environment where you communicate and work directly with the client
  • Become a part of the most talented and experienced cybersecurity and data center experts in the field
  • Great opportunity to develop yourself professionally and personally by joining a hell-of-a-ride, from a small startup to a market, Billion-Dollar, leader
  • Competitive salary, stock options

Your dream job isn’t here? Let’s stay in touch! We’ll inform you about the best opportunities.


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