Applied Cryptography Engineer Aktuální

Proton Technologies AG

Location: Prague
Type: Full-time.
Experience: Experienced

About us:

For those up to the challenge, ProtonMail provides an intense and exciting atmosphere as part of one of Europe's highest profile and fastest growing startups. We're looking for bright and highly motivated problem solvers to join our team of experts.

ProtonMail has around 80 employees located in Geneva, San Francisco, Vilnius, Skopje, Prague, Zurich and also remote around the world.

At ProtonMail, we allocate a lot of resources into the research and development of better cryptographic tools and processes. We are currently the maintainers of OpenPGP.js, the world's most widely used JavaScript cryptography library, and we additionally maintain a cryptography library written in Golang that is used by our mobile and desktop applications. In addition to maintaining and expanding these libraries, ongoing cryptography-related projects include building a key verification system.

What you need for this position:

  • Knowledge of or willingness to learn JavaScript and/or Golang (the two languages in which our cryptography libraries are written)
  • Interest in applied cryptography and security software development
  • Well versed in security and with a good understanding of security best practices from an application development standpoint
  • Knowledge of JavaScript and/or Golang (the two languages in which our cryptography libraries are written)
  • Strong background in computer science


Bonus points for:

  • Knowledge of cryptography with experience developing custom crypto libraries
  • B.S. and/or M.S. in Computer Science or Mathematics

Why work at ProtonMail:

  • Flexible and casual working environment
  • Startup culture where everyone matters and can make a big impact
  • Work in a high grow environment solving interesting problems, there is never a boring moment
  • Fast growth also means there are many opportunities for rapid advancement
  • Do something meaningful. ProtonMail protects freedom-fighters, journalists, and activists. Our work saves lives.
  • Be part of something bigger. Millions of people and businesses around the world have embraced our idea of an Internet where privacy and security are the default, and not merely an afterthought. Be part of this revolution that is changing the world.

Proton Technologies AG

About Proton Technologies ProtonMail was started by scientists and engineers from CERN in 2013 to make end-to-end encrypted email as easy to use as traditional email. Since then, we have grown to become the world's premier secure email service with over 9 million users and a profitable business model. We are rapidly scaling our talented teams to improve our core email product as well as to build an entire suite of web services that safeguards privacy in the digital age.

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