Join Proton and build a better internet where privacy is the defaultAt Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton's services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations.Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online.Purpose of the role:Join the team responsible for Proton Pass and SimpleLogin. This role focuses on the backend side of those products, but the team can give a helping hand to the frontend teams.What you will do:Code in our shared backend frameworkWork closely with a group of Back-End Engineers and Architects to build resilient, massively-scalable solutions for millions of people to rely onCollaborate with teams of client application developers to ensure that the back-end meets critical business and reliability requirementsDocument back-end capabilities and their proper use so that all Proton clients can implement correctly-functioning solutionsImprove vital systems such as the systems responsible for cleaning up file revisions and returning quota to usersJob requirements:Strong experience with backend developmentExperience building scalable solutionsFluent with OOP and SOLIDFluent with at least one strongly typed languageSolid understanding of SQL (MySQL preferred) and data modellingKnowledgeable about unit and functional testingSolid understanding of security best practicesSolid understanding of HTTP/REST, including both developing and consuming web-based APIsOperational experience such as SRE or on-call, demonstrating ability to diagnose and troubleshoot complex problems for critical systemsExperience with Docker or similar containerization technologiesExperience with CI/CD (Gitlab, Jenkins, etc.)Experience with backend web frameworks (Symfony, Spring, .NET)Experience with modern PHP, Rust and PythonHigh-level understanding of cryptography concepts such as key exchange and the difference between symmetric and asymmetric encryptionExperience with DDD (Domain-Driven Design) and other enterprise patternsExperience with metrics graphing/analysis toolkits such as Grafana and OpenTelemetrySolid understanding of Redis or other caching technologiesExperience with OpenAPI specs or other API documentation frameworksWhat We OfferOffice First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office. Depending on the role, fully remote positions may also be available.Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals.Food: Lunch and snacks are provided by Proton every day at our offices.Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location.Stock Options: At Proton, we are all owners of the company and you get stock options when you join us.Flexible Working: You can define your own working hours as long as it works with team meetings.Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning.Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs.Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton's only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do.Our Commitment to Diversity and InclusionAt Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected.If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know.
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