Proton VPN (https://protonvpn.com/ https://protonvpn.com/) | Senior Performance Engineer | Barcelona, Spain or Geneva, Switzerland | ONSITE Proton VPN enables

Proton VPN (https://protonvpn.com/ https://protonvpn.com/) | Senior Performance Engineer | Barcelona, Spain or Geneva, Switzerland | ONSITE Proton VPN enables millions of people to connect securely and privately, even in places where the internet is restricted or unreliable. Delivering that experience means our service must perform flawlessly under highly variable, real-world conditions. We are looking for a Senior Performance Engineer to lead our efforts in making Proton VPN the fastest, most resilient, and most reliable VPN service in the world. You will define and drive the measurement, analysis, and optimization of Proton VPN’s end-to-end performance, across clients, platforms, and global infrastructure. You’ll help ensure that every connection is fast, stable, and private, regardless of where the user is or what network they’re on. We're looking for candidates with experience in system-level development (e.g. C or C++ or Rust), and network engineering (experience working with UDP/TCP and VPN protocols). Apply at: https://job-boards.eu.greenhouse.io/proton/jobs/4725157101 https://job-boards.eu.greenhouse.io/proton/jobs/4725157101 (see also: https://proton.me/careers https://proton.me/careers)