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Staff Engineer — Performance, Reliability & Ai Automation

Factorial HR | barcelona, Spain | Posted June 08, 2026

Position Overview

We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, focused on performance, reliability, observability, load testing, and AI‑assisted engineering workflows.
No deje pasar esta oportunidad, inscríbase rápidamente si su experiencia y habilidades coinciden con lo que se indica en la siguiente descripción.
Responsibilities
Define and evolve SLIs and SLOs for critical product journeys.
Improve and standardize observability, dashboards, and service‑health visibility across teams.
Investigate bottlenecks and regressions across application, database, asynchronous, and system layers.
Drive improvements in latency, throughput, scalability, and reliability.
Build and structure 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.
Defin...

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