Software Engineer II

Zendesk
Full time Lisbon, Lisbon Computer Occupations
Posted:
June 13, 2026
Location:
Lisbon, Lisbon, Portugal

Job Description

Job Description

At Zendesk, we’re on a mission to build the most advanced AI agents in CX, and the Testing team, part of AI Agents Advanced, is focused on ensuring the quality and reliability of our AI agents through synthetic testing, evaluation frameworks, and other validation approaches that help us ship with confidence.


As a Fullstack Engineer on this team, you’ll be instrumental in building the systems and tools that power synthetic testing, evaluation, and quality validation for our AI agents. While this is a fullstack role, it leans more on backend development,  we’re looking for someone who is passionate about APIs, event-driven systems, testing infrastructure, and data workflows, while also being comfortable crafting user-facing tools and owning delivery end-to-end.

You’ll work closely with product managers, designers, data engineers, data analysts, and fellow d...

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Job Overview

Job Type: Full time
Location: Lisbon, Portugal
Posted: June 13, 2026
Deadline: July 23, 2026