Staff Engineer — Performance, Reliability & AI Automation

barcelona, cataluña, Spain • Posted June 06, 2026

Job Type: Full-time
Location: barcelona, cataluña
Posted: June 06, 2026
Category: Ingeniería y tecnología
Application Deadline: July 16, 2026

Role Description

About the Role

We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, with a strong focus on performance, reliability, observability, load testing, and AI‑assisted engineering workflows.

Team & Mission

The DX and Performance team’s primary goal is to increase Factorial’s quality, performance, and scalability by continuously improving the way we build our product. We strengthen our tools, maintain foundational elements, and promote best practices in close collaboration with the rest of the engineering organization. Our mission is to equip product builders with robust, AI‑enabled tools and practices to deliver with quality, confidence, and efficiency.

Role

As a Staff Engineer, you’ll work with a team of 200+ Engineers. We look for people who are curious, proactive, technically strong, and effective communicators. You will shape how Factorial defines, measures, and improves performa...

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