Backend Engineer - Scale Trusted VPN Services

Proton; City of Geneva (NY); On-site; USD 62,000 - 121,000; Full time

Benefits offered by this job

Stock options

Health coverage

Lunch & snacks

Transport support

Flexible working

Learning & development

Job summary

Proton is looking for a back-end engineer to join the VPN team in Geneva and beyond. You will build resilient, scalable services powering millions who rely on privacy-first tools.

You will collaborate with back-end engineers, client app teams, and product management to ensure reliability and secure API design, while documenting capabilities and supporting quota and revision management as needed.

Qualifications

• 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.

Responsibilities

• 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

Skills

PHP

Scalability

Profiling

Team leadership

SQL

Caching

Security

APIs

Cryptography basics

Tools

Docker

OpenAPI

Job description

Proton is looking for a back-end engineer to join the VPN team in Geneva and beyond. You will build resilient, scalable services powering millions who rely on privacy-first tools.

You will collaborate with back-end engineers, client app teams, and product management to ensure reliability and secure API design, while documenting capabilities and supporting quota and revision management as needed.