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# Application Security Engineer

- **Company:** Just Eat Takeaway.com
- **Location:** Watford, UK
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Code Review, Open Web Application Security, Systems Development Life Cycle, Secure Coding, Software Engineering, Large Language Models, Software Security, Static Application Security Testing
- **Published:** October 15, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/application-security-engineer/51910774

## About the Role

What You Bring to the Team Experience defining security controls for complex environments, regardless of platform or technology.
In-depth knowledge of OWASP Top 10 and how to design appropriate security controls.
Experience with Secure Coding Tools (SCA, SAST & Secrets).
Ability to identify and address vulnerabilities throughout the SDLC, switching between defensive and offensive mindsets.
Experience securing AI-enabled applications and assessing common AI/LLM vulnerabilities.
Excellent communication skills and proven stakeholder management experience.
A passion for guiding and developing engineers on best practices.
A commitment to continuous learning and identifying opportunities to enhance your security knowledge.

## Description

About This RoleJoin our world-class security team at Just Eat Takeaway.com, where we are passionate about protecting our products and the data of our customers and employees. As an Application Security Engineer, you will collaborate with our global Technology teams to implement essential security controls throughout the Software Development Life Cycle (SDLC).
In this dynamic role, you'll be the go-to expert for your partners, adapting to the diverse needs of our globally dispersed development teams. From consulting on time-sensitive features to facilitating threat models for new products, no two days will be the same!
We believe that everyone should take responsibility for security. Your role will focus on education and awareness, helping to foster a culture of security across the organization. We're looking for a well-rounded, upbeat individual who is eager to make a positive impact at Just Eat Takeaway.com.
Your Key Responsibilities Translate security principles into actionable requirements and controls across our platforms.
Lead security reviews, including threat modeling, design reviews, and code reviews, to enhance application security.
Assess vulnerabilities in AI-enabled applications and leverage AI tools to improve security analysis.
Champion security practices with developers, communicating effectively in both technical and non-technical terms.
Collaborate with key stakeholders while also working independently.