6h ago

Senior R&D Engineer

Barcelona, Geneva, Vilnius

$140,000-$190,000 / year

J
full-timeseniorCybersecurity

🛠 Tech Stack

💼 About This Role

You'll lead performance engineering for Proton VPN, ensuring it's the fastest and most reliable VPN service globally. You'll define metrics, develop distributed testing systems, and optimize end-to-end performance. This role offers the chance to work with top talent on privacy-focused technology that impacts millions of lives worldwide.

🎯 What You'll Do

  • Design and own Proton VPN's performance framework defining metrics and KPIs.
  • Develop distributed testing systems simulating real network conditions.
  • Continuously measure and analyze performance across platforms and regions.
  • Collaborate with teams to optimize protocol handling and routing performance.

📋 Requirements

  • 5+ years of experience in performance engineering or systems QA.
  • Knowledge of network protocols (TCP/IP, UDP, TLS, WireGuard).
  • Proficiency in Python or similar scripting language.
  • Experience with monitoring stacks like Grafana, Prometheus, Loki.
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