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Senior App Security Engineer - Build Secure, Scalable Apps

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: TripleLift
Full Time position
Listed on 2026-08-07
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below

Triple Lift is seeking a Senior Application Security Engineer to protect our advertising technology stack and infrastructure. Based in London, you will work with engineering to identify vulnerabilities and implement defenses across our programmatic platforms.

You will conduct security assessments, model threats for new features, and drive remediation with cross-functional teams. Strong communication and cloud security experience are essential for protecting critical systems.

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Position Requirements
10+ Years work experience
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