Backend Engineer, Geo Team

Responsibilities

• Design, build, and maintain backend functionality for Geo, Disaster Recovery, and Backup and Restore using Ruby on Rails and related services.
• Improve replication and verification workflows for repositories and related data, focusing on performance, correctness, and operational simplicity.
• Use PostgreSQL features, including logical replication, to support Geo, GitLab Dedicated migrations, and future Cells architectures.
• Measure and reduce replication lag and verification failures through logs, metrics, and alerts, identifying disaster recovery risks early.
• Collaborate with Database Engineering, Infrastructure, GitLab Dedicated, Tenant Scale, and other teams on initiatives affecting Geo and migrations.
• Participate in incident response and post-incident reviews, turning findings into product and operational improvements.
• Partner with Support, Site Reliability Engineering, and Customer Success on help requests, customer escalations, complex migrations, and incidents where Geo capabilities are critical.
• Own projects from proposal and design through implementation, review, rollout, and production monitoring.
• Provide 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.

Compensation and Benefits

• Flexible paid time off.
• Team member resource groups.
• Equity compensation and employee stock purchase plan.
• Growth and development fund.
• Parental leave.