Backend Engineer, Geo Team

About This RoleAI processing…

Key Responsibilities

• 1
  Design, build, and maintain backend functionality for Geo, Disaster Recovery, and Backup and Restore using Ruby on Rails and related services.
• 2
  Improve replication and verification workflows for repositories and related data, with a focus on performance, correctness, and operational simplicity.
• 3
  Use PostgreSQL features, including logical replication, to support Geo, GitLab Dedicated migrations, and future Cells architectures.
• 4
  Measure and reduce replication lag and verification failures through logs, metrics, and alerts, identifying disaster recovery risks early.
• 5
  Collaborate with Database Engineering, Infrastructure, GitLab Dedicated, Tenant Scale, and other teams on initiatives that affect Geo and migrations.
• 6
  Participate in incident response and post-incident reviews, then turn findings into product and operational improvements.
• 7
  Partner with Support, Site Reliability Engineering, and Customer Success on Requests for Help, customer escalations, complex migrations, and incidents where Geo capabilities are critical.
• 8
  Own projects from proposal and design through implementation, review, rollout, and production monitoring, while providing constructive feedback on merge requests.

Requirements

• Experience building and maintaining Ruby on Rails applications in production environments.
• Experience with PostgreSQL or similar relational databases, including replication, indexing, and performance tuning.
• Understanding of distributed systems and data replication concepts, including consistency, eventual consistency, and failure modes.
• Experience building and operating background job or worker systems, such as Sidekiq, including monitoring and retry strategies.
• Knowledge of replication and verification patterns, such as ordered event delivery and checksums, and experience debugging issues such as replication lag.
• Experience operating or debugging large production deployments across installation methods, operating systems, or cloud providers.
• Familiarity with recovery point objective (RPO), recovery time objective (RTO), planned failover, and backup and restore for stateful systems.

Perks & Benefits