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R&D Engineer, OS & Network Systems (VPN)

Proton

barcelona, cataluña, Spain Full-time June 04, 2026
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Vacancy Description

A global internet privacy company in Barcelona seeks a member for its ProtonVPN R&D team. You'll focus on maintaining and improving the security and performance of the infrastructure while collaborating with a team of experts. Your role includes coding in C or Rust and scripting in Python, alongside innovative problem-solving within an open-source framework. Ideal candidates will have a strong grasp of operating system internals and experience in software development, making a real difference in user privacy.
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