Overview

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As Staff Engineer on Factorials DX and Performance team, you will shape how we measure and improve performance and service health across the engineering organization. You’ll partner with product, infrastructure, and DX leaders to raise the bar on observability, load validation, and AI-assisted workflows. The role combines hands-on engineering with technical leadership to drive scalable, reliable systems for 15,000+ customers and 1M+ users. This is a cross-cutting role with broad impact, focused on building robust signals and practices across teams.

Compensaciones / Ventajas

Private health insurance
Wellhub health and fitness program
Cobee expense management
Language classes
Breakfast in office and organic fruit
Pet friendly office

Responsabilidades

Define and evolve SLIs and SLOs for critical product journeys
Standardize observability, dashboards, and service health visibility across teams
Investigate bottlenecks across application, database, and system layers
Drive improvements in latency, throughput, scalability, and reliability
Build more structured load testing workflows for critical paths
Help teams validate system behavior under realistic traffic and concurrency




Analyze capacity and behavior under peak load and growth
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

Requisitos principales

Strong hands-on experience improving performance, scalability, and reliability in complex systems
Experience defining or operating SLIs, SLOs, and service health frameworks
Strong knowledge of observability practices and tools such as Datadog
Experience investigating production bottlenecks xkdbapo across application, database, and distributed system layers
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 and cross-team alignment
Proactive mindset and strong ownership mentality
Strong communication and technical writing
Cross-team collaboration
Proactive ownership
Datadog observability
SLIs/SLOs and service health frameworks
Performance optimization and load testing

📌 Staff Engineer — Performance, Reliability & AI Automation (Barcelona)
🏢 Jobrapido
📍 Barcelona