Senior Software Engineer – Backend (Go / Distributed Systems)

Senior Software Engineer – Backend (Go / Distributed Systems)

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.

About the Role

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.

Responsibilities

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

Requirements

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

Nice to Have

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

Whats Offered

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

How to Apply

If youre interested in this opportunity, please apply