Backend Engineer

Who you are

• 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 Redis 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
• 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 OpenTelemetry
• Experience with Python and/or Rust
• Experience with OpenAPI specs or other API documentation frameworks
• Even if you don’t meet all the requirements listed above, but feel you could still be a great fit, please still apply

What the job involves

• The VPN team is focused on building the best and most trustworthy VPN in the world. We aim to provide the best user experience to millions of people around the world willing to take back their online privacy, while providing sophisticated technologies to bypass network restrictions in highly censored countries
• Work closely with a group of Back-End Engineers and Architects to build resilient, massively-scalable solutions for millions of people to rely on
• Collaborate with teams of client application developers and product management to ensure that the back-end meets critical business and reliability requirements
• 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

Benefits

• These vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events, and team-building activities.