Backend Engineer (Payments)

Job Description

Proton is seeking a Backend Engineer to join its Payments team. The Payments team is responsible for enabling revenue generation for the entire Proton ecosystem, introducing new payment methods for users, and architecting client libraries. This role has impact across all of Proton's products and is critical to the success of the business as a whole.

The ideal candidate will work closely with product and engineering teams across the company to build scalable software architecture, optimize user experience and design, and ensure seamless integration of payment solutions.

What this role involves:

• Building features in all of Proton's products.
• Close interactions with products and engineers across the company.
• Building scalable software architecture through software engineering best practices.
• Optimising user experience and design.

Requirements:

• Proven experience with back-end development.
• Expertise in building scalable, high-performance solutions.
• Proficiency with profiling techniques and performance optimization tools.
• Experience leading a team initiative from discovery to production.
• Strong understanding of SQL (MySQL preferred) and data modeling best practices.
• Familiarity with Redis or other caching technologies for performance optimization.
• Knowledge of security best practices and experience implementing secure software solutions.
• In-depth understanding of HTTP/REST, including both the development and consumption of web-based APIs.
• Solid grasp of cryptographic concepts, including key exchange, and the distinction between symmetric and asymmetric encryption.

What Proton offers:

• Office first approach with offices in multiple locations and possibility work from home up to 30% of the time.
• Lunch and snacks provided daily at the offices.
• Support with transport costs.
• Stock options.
• Flexible working hours.
• Learning and development opportunities.
• Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs.