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Senior Back-End Software Engineer

1 month ago


London, Greater London, United Kingdom ProtonMail Full time

A better internet is achievable through collaboration and a commitment to online privacy. Proton is a pioneer in this field, working tirelessly to create a secure and private online environment for all.

We are looking for a highly skilled back-end systems developer to join our team. As a back-end engineer at Proton, you will work closely with a group of experienced engineers and architects to build scalable and resilient solutions for millions of users worldwide.

Key responsibilities include:

  • Collaborating with our back-end team to design and develop scalable solutions
  • Working with client application developers and product management to ensure that the back-end meets critical business and reliability requirements
  • Documenting back-end capabilities and their proper use
  • Debugging and repairing vital systems

Requirements include:

  • 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 and data modeling
  • Solid understanding of Redis or other caching technologies
  • Solid understanding of security best practices
  • Solid understanding of HTTP/REST and Web-based APIs
  • High-level understanding of cryptography concepts

Bonus points for:

  • Operational experience, such as SRE or on-call, demonstrating ability to diagnose and troubleshoot complex problems
  • Experience with Docker or similar containerization technologies
  • Experience with metrics graphing/analysis toolkits
  • Experience with Python and/or Rust
  • Experience with OpenAPI specs or other API documentation frameworks

At Proton, we value online freedom and privacy. We are a community-driven movement united by a shared vision of a secure and private online environment. Our team is diverse and collaborative, with people from all walks of life. We offer a range of benefits, including support for your vacation, parental leave, and flexible working hours.

Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom. Our services are open source, audited, and supported by community contributions. We give back to our community by maintaining core encryption libraries and by supporting other organizations furthering the same goals as us. Proton is free, open source, neutral, independent, and community first, while remaining financially sustainable.

We are one of Europe's fastest-growing companies, doubling in size every year. Our growth gives you limitless career and educational opportunities as well as the opportunity to work side-by-side with many world-leading experts in their fields. We value your opinion and encourage you to speak up and share your ideas and thoughts. At Proton, no problem is someone else's problem. We collectively strive to do the right thing and be the undisputed best in the world at everything we do.