Senior VPN Software Engineer

Join Surfshark's VPN Engineering team to build and scale the core software powering our global infrastructure. You will own key stack components, optimize high-performance tools like WireGuard and HAProxy, and work with SRE to maintain a fast, secure fleet of thousands of servers. This role offers deep technical ownership, from kernel tuning and eBPF programming to architecting low-latency protocol extensions.

If you want to:

• Design and scale our proprietary VPN software (SDN, Dausos, WCB) and extend tools like WireGuard and HAProxy;

• Dig into the Linux networking stack, debug it, and tune it for high-scale traffic while maintaining custom Debian images;

• Write eBPF programs for packet processing and architect systems for ultra-low latency and high throughput;

• Lead R&D on custom protocol extensions and optimizations, drive large-scale refactoring, and set the coding standards others follow;

• Work with SRE team to automate a global fleet through Ansible deployments and custom CI/CD pipelines.

And you can check off:

• Proven experience tracing com