Senior Backend Engineer

New

Skills

Envoy Go gRPC HAProxy JWT Kubernetes mTLS PostgreSQL Service Mesh Traefik

As a Senior Backend Engineer on the Auth Infrastructure team at GitLab, you will be responsible for building and maintaining the core authentication and authorization infrastructure that serves millions of users across various deployment environments. This role focuses on delivering secure, performant, and reliable identity services while contributing to GitLab's shift towards a zero-trust architecture and microservices-based future.

Key Responsibilities
  • Design and implement core components of GitLab's authentication infrastructure, including Envoy proxy configuration and token services.
  • Develop solutions for critical infrastructure challenges such as bi-directional gRPC tunnels and mutual TLS (mTLS).
  • Build and maintain authentication infrastructure supporting GitLab.com and self-managed deployment models.
  • Optimize performance and reliability of authentication and authorization decisions across distributed systems.
  • Collaborate with various teams to align infrastructure capabilities with product requirements.
Required Skills & Qualifications
  • Strong experience in building high-performance backend services using Go.
  • Hands-on experience with proxy technologies like Envoy, Traefik, or HAProxy.
  • Practical knowledge of service mesh architectures and secure service-to-service communication patterns.
  • Familiarity with database technologies such as RDS or Postgres.
  • Understanding of token systems and cryptographic signing for authentication workflows.
  • Experience with Kubernetes and cloud-native deployment patterns.
  • Ability to manage projects from concept to production in an agile environment.
  • Effective communication skills in English with a collaborative mindset.
  • Open to learning from and supporting team members from diverse backgrounds.

No forms. Your profile is generated instantly.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: Months

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