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C++ Security Engineer H/F



Paris, France
Posted on Sunday, June 12, 2022


  • Be in charge of conceiving and implementing state of the art security and encryption solutions for Tanker
  • Work on ensuring the authenticity of users’ identity without relying on a trusted authority, you may also
  • Work on subjects like forward secrecy, distributed-PKI, blockchain, double ratchet (like OLM)


At Tanker, we do security in a user-friendly way. We’re looking for simple solutions to solve complex issues others have given up on.

We do end-to-end encryption of files stored in the public cloud without compromising the user experience. We believe security should be by design and should not be based on trust in our infrastructure. We thus never have access to users’ keys and passwords.


You will work with our CTO and CSO and be part of a talented team of 10+ passionate developers, experts in software engineering, cryptography and security.

We offer a permanent position, with flexible hours, comprehensive health cover, private pension scheme, commuter benefits program..


  • Are an expert in Security and/or cryptography (Botan, ECC, ECDSA, AES, ChaCha20..)
  • Are a ninja in C++, Boost, Qt, CMake
  • Share our ethic when it comes to cyber security, and want to join a company that works in accordance with your values
  • You enjoy challenges: “that’s impossible” is not part of your vocabulary
  • When things break – and they will – you are eager and able to help fix them
  • Extra : You are a confirmed hacker 


Take the hack challenge available on and find the secret password to send with your application.