Senior Software Engineer Networking

Senior Software Engineer – Networking (Go / Distributed Systems)

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.

About the Role

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.

Responsibilities

• 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

Requirements

• 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

Nice to Have

• 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

Whats Offered

• 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

How to Apply

If youre interested in this opportunity, please apply