Senior Application Security Engineer

Overview

As a Senior Application Security Engineer, you will support G-P's application security program, ensuring the safety of both web platforms and integrated AI/LLM systems. You will evaluate web technologies and AI workflows using enterprise-grade tools, enforce AI security guidelines, and coordinate remediation efforts with engineering teams.

What you'll do

• Participate in threat modeling exercises with engineering team members for application and AI-driven architectures
• Triage SCA/SAST/DAST/CSPM findings by eliminating false positives and providing well-vetted vulnerabilities to engineering teams
• Support vulnerability management efforts for networks and infrastructure
• Partner with engineering teams ensuring timely remediation of security findings
• Perform security assessments, reviews, and internal penetration tests
• Support application security programs and security team initiatives
• Develop scripts and tools to automate repetitive security tasks, such as log analysis, patch management, and incident detection
• Build custom solutions to integrate security tools with existing systems using languages like Python, JavaScript, or Go

What you'll need

• BS (or higher) in Computer Science or related field, or equivalent work experience
• 3+ years of experience in application security with any combination of the following: threat modeling experience, secure design reviews, code reviews, pen-testing
• Excellent communication skills and business acumen
• Proficiency in coding/scripting languages (e.g., Python, Go etc.)
• Web application penetration testing experience (CTFs, Bug Bounty, etc)
• Amazon Web Services (AWS) security and engineering knowledge and experience
• Experience with developing or testing web application technologies

Nice to have

• Security certifications (OSCP, OSWP, eCPPT, eWPT, Security+, etc)
• Experience with Linux, Docker, Terraform, and programming against REST APIs

Details

• Location: United Kingdom (Remote-First)
• Employment type: Full-Time Regular
• Annual gross fixed pay range: GBP 72,000 - GBP 87,000 plus variable compensation