• Multi-threading and multi-processor expertise
  • Memory management: shared memory, distributed memory (memcached)
  • Web server internals, in particular, developing nginx plugins/modules
  • Proficient understanding of JavaScript, HTML5, CSS3 and DOM
  • In-depth network knowledge and hands-on experience: TCP/UDP/HTTP/DNS
  • Security: TLS, PKI and PKCS
  • Hands-on experience with Linux with a deep understanding of Linux internals
  • Working knowledge of AWS and other cloud system and technologies and the modern DevOps paradigm
  • Experience in Web stress testing methodologies and tools


  • Design, implement and improve advanced features of a content rewriting engine
  • Design real-time logging and data feeds
  • Build reusable code and libraries
  • Optimize systems for maximum performance and scalability
  • Debug network-related issues and instrument server C++ code and client JS execution
  • Hire and lead a team of 2-4 engineers
  • Collaborate with other team members including remote teams in various time zones


  • Approachable management, open to suggestions and innovations
  • Friendly team and enjoyable working environment
  • Opportunity to build your international career working directly for our customers
  • Flexible working hours
  • Fair salary (regular performance-based salary reviews)
  • 20 working days paid vacation and 15 sick leaves
  • English classes in the office
  • Bookkeeping and accounting on us
  • Cozy, equipped rooms — no open-space
  • No deadlines and time trackers — ability to do quality work


CyberCraft on behalf of Silicon Valley based startup is looking for a sharp Lead C++ developer to help build an Ad Tech solution that speeds up your internet. The solution balances requests that websites cannot control due to complex advertisement solutions and controls all requests the page receives. You will work on reducing latency by applying various technologies for speeding up downloads and on eliminating the need for third-party DNS lookups, SSL handshakes, etc

Want to join our team?

Submit your CV, we will contact you soon...