Senior Backend Engineer - Monitoring and Anomaly Detection (Monetization)

GitLab is looking for a Senior Backend Engineer to join the Observability, Monitoring, and Integrations team within the Monetization section. As a Backend Engineer on the Fulfillment Workflow Monitoring team, you will build and operate telemetry, detection, and reconciliation tooling that identifies billing, data, and event anomalies across CustomersDot, Salesforce, and Zuora.

Responsibilities:

• Design, build, and operate metrics, logs, and traces across the Monetization stack using tools such as Prometheus and Grafana.
• Implement automated detection for billing, data, and event anomalies, and route alerts to the designated feature teams.
• Develop reconciliation and data integrity checks across usage and billing pipelines.
• Define and track service reliability targets (SLOs) and service level indicators (SLIs) to measure reliability, write runbooks, and take part in incident handling.
• Explore artificial intelligence and machine learning techniques to predict system anomalies and accelerate resolution.
• Review merge requests and offer feedback to other Monetization engineers.
• Collaborate with Product, Finance, Support, and other partners to turn operational needs into reliable tooling.

Requirements:

• Professional experience with Ruby on Rails.
• A background in site reliability or observability engineering, including monitoring, alerting, SLOs, SLIs, runbooks, incident handling, and tools such as Prometheus, Grafana, and OpenTelemetry.
• Experience building anomaly detection, monitoring, or risk management tooling.
• Exposure to data stores for reporting and insights, especially ClickHouse, and the change data capture and event streaming pipelines that feed them, such as Siphon and NATS JetStream.
• Experience with billing, financial, or other business-critical systems.
• Experience owning a project from concept to production, including proposal, discussion, execution, and monitoring.
• Clear, concise communication about complex technical, architectural, and organizational problems in English, with the ability to propose thorough, iterative solutions in a remote and largely asynchronous work environment.

Benefits:

• Benefits to support your health, finances, and well-being
• Flexible Paid Time Off
• Team Member Resource Groups
• Equity Compensation & Employee Stock Purchase Plan
• Growth and Development Fund
• Parental Leave