Backend Auth Infrastructure Engineer

New

Skills

Architecture Cloud Engineer Go Golang gRPC JWT Kubernetes Nginx Rust Security

Join GitLab's Auth Infrastructure team as a Senior Backend Engineer, where you'll play a pivotal role in designing and building the core infrastructure powering authentication and authorization for millions of users worldwide. This remote role involves architecting secure, scalable, and high-performance identity services that support multiple deployment models, while driving the transition toward zero-trust security and modern microservices. Collaborate closely with cross-functional teams to deliver seamless integration and robust solutions for distributed systems.

Key Responsibilities
  • Design and implement foundational authentication infrastructure components, including Envoy proxy configuration and token services.
  • Develop solutions for infrastructure challenges such as bi-directional gRPC tunnels, mTLS, and service mesh architectures.
  • Build and optimize authentication infrastructure across varied deployment models: GitLab.com, self-managed, Dedicated, and air-gapped environments.
  • Implement monitoring, observability, and debugging capabilities for distributed authentication systems.
  • Contribute to team direction and roadmap; uphold coding standards and best practices for scalable, secure systems.
Required Skills & Qualifications
  • Strong experience in Go and/or Rust for high-performance backend services.
  • Expertise with proxy technologies (Envoy, Traefik, HAProxy, nginx) and edge routing.
  • Familiarity with service mesh architectures, mTLS, and zero-trust networking.
  • Knowledge of gRPC, REST APIs, and service-to-service communication patterns.
  • Experience with token systems (JWT, Macaroons), cryptographic signing, and key management.
  • Proficiency with Kubernetes, container orchestration, and cloud-native deployment.
  • Strong debugging and performance optimization skills for distributed systems.
  • Excellent English communication skills for remote, asynchronous collaboration.
  • Demonstrated ability to own projects end-to-end, from concept to production.
  • Self-motivated, organized, and solution-oriented mindset.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: 12 Months

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