CO
Contentsquare· HQ in France

Application Security Engineer

Location: Barcelona · Category: Engineering & Development · Seniority: Mid-Level · Posted: August 19, 2026 · Verified: Sep 23, 2026

Role Overview & Description

This role focuses on offensive security and red teaming, challenging the security of Contentsquare's products by identifying and exploiting vulnerabilities in web applications, APIs, and cloud-native services. The engineer will collaborate with engineering teams, product managers, and bug bounty hunters to translate findings into remediation and improve secure coding practices. The position is based in Barcelona and requires expertise in application security testing and cloud environments.
Source & Transparency: This position was structured directly from the publicly accessible career portal of Contentsquare. Details on the employer’s original job posting are authoritative. Polaris7 charges no placement fees and conducts no candidate screening.

About the company

CO

Contentsquare

contentsquare.com

Digital experience analytics platform for web and mobile teams.

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