London; Barcelona Hybrid Employment

Proton is hiring a Senior Rust Engineer - Payments

Requirements

  • Minimum of five years of professional software development experience emphasizing Rust programming.
  • Deep understanding of Rust's language mechanics, including concurrency handling and ownership principles.
  • Hands-on experience creating libraries compatible with both web and mobile platforms.
  • Demonstrated ability to collaborate effectively in team settings and communicate technical concepts clearly.
  • Strong analytical and problem-solving capabilities with efficient debugging techniques.
  • Familiarity with secure coding standards and a focus on preserving system integrity and user privacy.
  • Proficiency with version control tools, particularly Git.
  • Formal education in Computer Science, Software Engineering, or a closely related discipline at the bachelor’s or master’s level.

Nice to Have

  • Experience developing for iOS using Swift or Android using Kotlin, especially when involving native mobile SDKs or embedding Rust-based libraries into mobile environments.

Benefits

  • Office First work model
  • Provision of all necessary hardware and software tools to support high-performance work
  • Daily provision of lunch and snacks at office locations
  • Financial support for transportation, including public transit subsidies, bike allowances, or parking, depending on location
  • Grant of stock options upon joining, reflecting shared ownership in the company
  • Flexible scheduling as long as core team coordination is maintained
  • Access to professional growth resources such as training, conferences, and learning programs
  • Comprehensive health coverage, retirement plans, generous leave policies, and wellness initiatives
  • Meaningful work driven by user-supported values, serving over 100 million people who trust the platform

Work Arrangement

Hybrid

Team

Over 500 members in a flat organizational structure promoting open collaboration and minimal hierarchy.

Other

Applicants requiring accommodations or support during the recruitment process should inform their assigned talent partner.

Required Skills
iOS Development
Invoicing holding you back?

Focus on work, not paperwork

Stop worrying about invoicing, taxes, and compliance. Glopay handles the business setup, you handle the client work. Get paid faster and look professional.

Auto-generated compliant invoices
Built-in expense management
Income reports for tax season
95% of earnings stay with you
Try Glopay free
No credit card needed
About company
Proton

Proton is a privacy-focused technology company that provides end-to-end encrypted services to protect users' digital lives. Founded to empower individuals with privacy and freedom online, Proton offers a suite of secure products including email, calendar, VPN, cloud storage, password management, and video conferencing.

Used by over 100 million people and organizations, Proton’s services are built on a foundation of zero-access encryption, open-source code, and independent security audits. The company is committed to transparency, community-driven development, and defending digital rights globally.

Headquartered in Switzerland, Proton operates under one of the world’s strongest privacy laws and is structured as a non-profit foundation to ensure its mission remains user-first.

All jobs at Proton Visit website
Job Details
Department Payments team
Category other
Posted 19 days ago