AI summary
As an Application Security Engineer at Contentsquare, you will collaborate with development teams and product managers to ensure the security of the company’s products and protect users and customers. This role involves working with third-party groups, including bug bounty hunters, to maintain high security standards.
Job Description
The Contentsquare Security team is looking for an application security engineer (Appsec) who can work closely with the development team, product managers and diverse third-party groups (including bug bounty hunters).
Contentsquare provides a globally leading SaaS service and commits to the highest security standards for its customers. We are ISO 27001 and ISO 27701 certified and maintain robust security initiatives (SOC 2 Type 2 report, private bug bounty program, SIEM, advanced security awareness, etc.).
As an Application Security Engineer, you'll help secure Contentsquare's applications throughout their lifecycle, from identifying and validating vulnerabilities to understanding their root cause, driving remediation with Engineering teams, and improving how security issues are detected and prevented.
You'll bring a strong offensive security mindset and hands-on experience testing web applications, APIs and services, while working closely with developers to translate findings into practical, scalable security improvements. You'll have end-to-end ownership of application security issues, from detection and exploitation through remediation and validation.
Responsibilities
What you'll do
What you'll need
About the job
- Posted on
- Aug 19, 2026
- Job type
- Full-time
- Location
- BarcelonaHybrid
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