Database Engineer

Job description

ProtonMail was started by scientists and engineers from CERN in 2013 to make end-to-end encrypted email as easy to use as Gmail. Since then, we have grown to become the world's premier secure email service with over 10 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.

Databases form the backbone of internet services and must scale with our growth while being highly reliable. You will join a growing database team to improve and scale our relational databases and plan for disaster recovery. You will collaborate with various backend teams to ensure the efficient use of data storage.

Your work will directly improve the user experience of millions of people around the world. You should have extensive experience developing and operating distributed and highly-available systems.


What you will do:

  • Support backend team's database needs (schema changes, indexes)
  • Create, migrate and split shards
  • Improve alerting, failovers and backups (hot and cold)
  • Automate, deploy, monitor, and troubleshoot critical database systems
  • Participate in rotating on-call duties in a global, 24x7x365, team


  • Expert on relational databases (MySQL, Oracle DB)
  • Software engineering experience with production systems (Python, PHP)
  • Experienced with Linux and automation (Ansible, Puppet)
  • Bonus: worked with cold storage and tape backups

ProtonMail is using Recruitee recruitment platform for more effective hiring and better candidate experience. Your data will be kept confidential and not shared with any third parties.

Keep in mind that you will receive emails from email or other addresses on the domain.