Back-End Engineer (VPN)-Multiple Cities

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By Proton Mails, Geneva, Switzerland                                Place of Postings: Spain, Barcelona; Paris, France; Prague, Czech Republic; Vilnius, Lithuania; Skopje, North Macedonia; London, UK    Total Posts: 06                                   Qualification:

  • Degree in Information Technology or other relevant field

Experience:

  • Experience with PHP-based entry-points to a back-end software stack  Experience building scalable solutions 
  • Experience with profiling methods and tools 
  • Experience leading a team initiative from discovery to production Solid understanding of SQL (MySQL preferred) and data modelling Solid understanding of Radis or other caching technologies
  • Solid understanding of security best practices Solid understanding of HTTP/REST, including both developing and consuming Web-based APIs  High-level understanding of cryptography concepts such as key exchange and the difference between symmetric and asymmetric encryption
  • Bonus points for:  Operational experience such as SRE or on-call, demonstrating ability to diagnose and troubleshoot complex problems for critical systems.
  • Experience with Docker or similar containerization technologies. Experience with metrics graphing / analysis toolkits such as Grafana and Open Telemetry. Experience with Python and/or Rust.
  • Experience with Open API specs or other API documentation frameworks          

Duties & Responsibilities:

  • Document back-end capabilities and their proper use so that all Proton VPN clients can implement correctly-functioning solutions.
  • Debug and repair vital systems such as the systems responsible for cleaning up file revisions and returning quota to users 

 

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