Senior Backend Engineer – Payments & Scalable Systems

Proton Technologies; Genf, Zürich; Vor Ort; GBP 65.000 - 90.000; Vollzeit

Benefits dieser Stelle

Work that Matters

Smart and dedicated people

Technology

Learning & Development

Employee Benefits

Stock Options

In-Person Collaboration

Food

Transport

Flexible Working

Zusammenfassung

Proton Technologies is seeking a senior backend-focused engineer to build features across Proton products and to help scale our payments stack. You will work closely with product teams and engineers to design robust architectures and improve performance while ensuring security and reliability across globally deployed services.

The role offers challenging problems in a fast-growing privacy-first company with offices in multiple cities, including London, and a clear path for leadership and growth

Qualifikationen

• 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.

Aufgaben

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

Kenntnisse

Backend development

High-performance solutions

Profiling tools

Team leadership

SQL/MySQL

Redis caching

Security best practices

HTTP/REST APIs

Cryptography concepts

Tools

Jira

Confluence

Kubernetes

Jobbeschreibung

Proton Technologies is seeking a senior backend-focused engineer to build features across Proton products and to help scale our payments stack. You will work closely with product teams and engineers to design robust architectures and improve performance while ensuring security and reliability across globally deployed services.

The role offers challenging problems in a fast-growing privacy-first company with offices in multiple cities, including London, and a clear path for leadership and growth