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Security Engineer / Cryptographer

Paris • Remote, Full-time

Who are we?

We are a VC-backed tech startup operating from Paris and New York on a journey to transform the internet software industry and make data privacy protection a reality in every software application in the world. The founding team includes an MIT graduate, an entrepreneur who is founding his second startup after successful exit, computer science PhDs and Software Engineers. The company is currently onboarding its first clients: internet platforms in healthcare, LegalTech, hospitality. Along the way, we are taking on mission-driven talented professionals with various skills to complete our dream-team! The company is backed by a French Venture Capital fund who helped grow major French unicorns, a US Venture Capital fund who was one of the early investors of Pinterest, as well as prominent business angels. Blindnet is growing on both sides of the Atlantic, giving you the opportunity in the future to choose where you prefer to develop your career. We are a multicultural startup and our first value is the respect of diversity between us, which is one of our most valuable assets. Our culture is therefore characterized by the appreciation of the other in all its forms. Blindnet has a culture of sharing which is particularly suitable for learning. Onboarding with us now you’ll see all the phases of a startup’s exponential growth having the opportunity to learn tremendously. If you have a pioneering spirit this is the job for you !

Role & missions – What you will do

  • Participate in the design of blindnet products
  • Ensure maximum security and data privacy of our product designs
  • Analyze our source code, evaluate and suggest security improvements
  • Work with our software engineers to ensure our implementations bring the highest security and data privacy standards to our products
  • Test security of our software products

About you – Who you are

  • You have a BSc or MSs in Cryptography, Computer science, or Engineering
  • You are knowledgeable of cryptographic algorithms, protocols and libraries (e.g., Bouncy Castle)
  • You have experience in designing security and encryption systems
  • You understand source code of programming languages (Scala is a plus)

Good to have

  • Experience in researching security threats in software systems
  • Understanding of the Signal protocol
  • Understanding of anonymity networks and onion routing (e.g., Tor)
  • Knowledge of network security
  • Experience in programming and implementation of cryptographic systems


  • We’ll buy the equipment of your choice
  • Cool environment in which you will not waste your time
  • Flexible and remote-friendly work environment
  • Office in the heart of Paris soon
  • Meal vouchers reimbursed at 60%
  • Stock options in equity
  • We care about your personal development and we’ll cover costs of participating at a professional conference per year
  • We also care about your health and we’ll cover at 100% your health insurance (Alan Blue)
  • We’ll reimburse your gym subscription

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