Remote (Europe) | Full-time
We are recruiting on behalf of a fast-growing cybersecurity startup building an open-source zero-trust network security platform used by thousands of companies worldwide to securely connect employees, services, and infrastructure.
Their platform replaces traditional VPN architectures and powers secure, high-performance networking for modern distributed teams.
We are looking for a Senior Software Engineer – Networking to design and build high-performance networking components that run across Linux, macOS, and Windows.
This role focuses on distributed systems, network protocols, performance optimization, and secure connectivity in a production environment used by hundreds of thousands of devices globally.
You will work closely with a collaborative engineering team and contribute directly to a widely adopted open-source platform.
Design, develop, and maintain high-performance networking code
Build and optimize distributed networking components
Ensure reliability, scalability, and performance of core networking services
Participate in architecture discussions and technical decision-making
Review code and collaborate with engineers across the team
Contribute to product improvements and technical innovation
Support open-source users by addressing issues and providing guidance
Occasionally join technical discussions with customers to understand real-world networking needs
5+ years of professional software engineering experience
2+ years of experience developing in Go
Strong experience designing distributed systems
Deep understanding of networking concepts (protocols, routing, tunneling)
Experience with performance monitoring and optimization
Strong knowledge of multi-threading and asynchronous programming
Experience with unit and integration testing
Strong communication skills and ability to work in a remote environment
Fluent English
Experience working with VPN or secure networking solutions
Experience with REST or gRPC APIs
Experience working in cloud environments
Open-source contributions
Experience building software deployed at large scale
Competitive compensation and equity
Fully remote or hybrid flexibility
High ownership and autonomy
Collaborative engineering culture
Opportunity to work on cutting-edge zero-trust networking technology
If youre interested in this opportunity, please apply