Backend Engineer (VPN)

Job Description

Proton is seeking a skilled Backend Engineer to join its VPN team. Proton's mission is to build a better internet where privacy is the default.

The Backend Engineer will work closely with a team of engineers and architects to build resilient, scalable solutions for millions of users. The individual will collaborate with client application developers and product management to ensure back-end meets business requirements. The engineer will document back-end capabilities and debug vital systems.

What this role involves:

• Building resilient, massively-scalable solutions.
• Collaborating with client application developers and product management.
• Documenting back-end capabilities.
• Debugging and repairing systems.

Requirements:

• Extensive experience with PHP-based entry-points to a back-end software stack
• Experience building scalable solutions
• Experience with profiling methods and tools
• 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

What Proton offers:

• Lunch and snacks provided daily.
• Subsidized public transport, bike allowances, or parking spaces.
• Stock options.
• Flexible working hours.
• Learning and development opportunities.
• Comprehensive health insurance, retirement savings options, and generous leave policies.