Senior Golang Developer

DSIRF

Fulltime

Vienna, Austria

$85,000 - $100,000 annually

ML.S (sub-company of DSIRF gmbh) is a privately owned company, developing next generation software solutions for European Intelligence Agencies.

We are looking for a Senior Golang Software Engineer, with prior hands-on experience in creating backend software. Job involves creating client/server software, using often proprietary, binary communication protocols. Good understanding of advanced networking concepts is required and prior experience with creating proxy software.

Requirements:
  • Several years of experience programming in Go language.
  • Hands-on experience developing client/server software using custom communication protocols.
  • Good understanding of how TOR network works, how the deanonymization attacks against it work and ability to recreate similar software from scratch on your own.
  • Good understand on how proxy software works and how adversaries may be able to detect its traffic to introduce censorship. Experience working with Great Chinese Firewall is welcome. 
  • Good understanding of networking concepts, protocols and how network communication works even on low-level - TCP, UDP, HTTP, TLS, SOCKS5, VPN etc.
  • Knowledge of effective methods to bypass internet censorship.
  • Own networking tools published on Github or forks of existing ones with personal modifications.
  • Analytical thinking with ability to foresee unexpected issues before they happen, handling packet loss, throttling, countering possible DDoS attacks.

What we offer:
  • The ability to thrive in a fast-paced environment, learn rapidly, and master diverse web technologies and techniques
  • Responsible and challenging activity
  • International and dynamic work environment
  • Broad, varied task area in which everyone is compelled to make things look beautiful and work flawlessly
  • Extensive range of further education and training
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