Experteer Overview
In this Staff Engineer role, you will drive performance, reliability, and observability across Factorial’s engineering stack. You’ll partner with product and infrastructure teams to raise the organization’s performance standards and implement AI-assisted workflows for faster signal interpretation. Your work will shape how we define health metrics, validate systems under load, and scale our platform for thousands of customers. This is a cross-cutting, impact-driven position with broad influence across teams and regions.

Compensaciones / Ventajas
• Define and evolve SLIs and SLOs for critical product journeys
• Standardize observability, dashboards, and service health visibility across teams
• Investigate bottlenecks and regressions across application, database, asynchronous, and system layers
• Drive latency, throughput, scalability, and reliability improvements
• Build and improve structured load testing workflows for critical paths
• Help teams validate system behavior under realistic traffic, concurrency, and tenant-scale conditions
• Analyze capacity, saturation, and behavior under peak load and growth scenarios
• Define practices and tooling to prevent performance regressions before production




• Collaborate with product and infrastructure teams to align on performance priorities
• Design AI-assisted workflows to support metric interpretation, anomaly analysis, and incident investigation

Responsabilidades
• Hands-on experience improving performance, scalability, and reliability in complex systems
• Experience defining or operating SLIs, SLOs, and service health frameworks
• Strong observability knowledge and tools such as Datadog
• Experience investigating production bottlenecks across apps, DB, and distributed systems
• Experience building or improving load testing, benchmarking, or performance validation workflows
• Experience diagnosing tail latency, throughput issues, and performance variability in production
• Broad experience with cloud-based production systems
• Strong communication skills including technical writing and cross-team alignment
• Proactive mindset and strong ownership mentality

Requisitos principales
• Alan private health insurance
• Wellhub fitness benefits
• Cobee expense management
• Language classes
• Breakfast in the office and organic fruit
• Nora discounts

📌 Staff Engineer - Performance, Reliability & AI Automation (Madrid)
🏢 Factorial Hr
📍 Madrid