Remote | Full-time
We are recruiting on behalf of a fast-growing European cybersecurity startup building an open-source zero-trust network security platform used by thousands of companies worldwide to securely connect infrastructure and remote teams.
This company is on a mission to make secure private networking simple, affordable, and accessible to organizations of all sizes. Their platform replaces traditional VPN architectures and is trusted by hundreds of thousands of users globally.
We are looking for a Senior Backend Engineer to help design and build scalable backend systems that power a high-performance network security platform.
You will work on core services, distributed systems, and infrastructure components that directly impact scalability, reliability, and security.
This is a hands-on engineering role in a collaborative, fast-moving environment with strong ownership and autonomy.
Design and develop backend services and core platform components
Contribute to management services, relay services, and distributed systems architecture
Collaborate with engineering teams to design, test, and document software components
Participate in the full development lifecycle: design, implementation, deployment, and monitoring
Improve scalability, reliability, and performance of backend systems
Implement observability and monitoring solutions
Troubleshoot incidents and support production stability
Optimize systems for performance, efficiency, and security
5+ years of professional software engineering experience
Strong experience designing distributed systems
Proficiency in Go (preferred) or another backend language
Solid understanding of networking fundamentals (IP, routing, protocols)
Experience with authentication/authorization standards (OAuth2, OIDC, SSO)
Experience with relational databases and performance tuning
Experience with unit and integration testing
Strong communication skills and ability to work in a remote environment
Fluent English
Experience with VPN or network security products
Experience with gRPC or REST APIs
Experience working in cloud environments
Open-source contributions
Experience building products used at large scale
Competitive salary and equity package
Fully remote work environment
High ownership and autonomy
Collaborative engineering culture
Opportunity to work on cutting-edge zero-trust and network security technology
If youre interested in this opportunity, please apply