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Application Security Engineer



Jon McCarthy

Application Security Engineer// London // Negotiable DOA // Incredible Benefits Package

My client: An award winning, global and forward-thinking organisation are looking to appoint a seasoned Application Security Engineer. The company have recently embarked on a 5 year, multi-billion-pound transformation journey - If you have the desire to be an integral part of this, I want to hear from you.

You will have experience in designing for security and secure programming and working as a security engineering subject matter expert previously.

You should have demonstrable experience in aspects of…

• Full appreciation of Software Development Lifecycles and knowledge of Agile and DevSecOps

• Programming languages (.Net, Java, Swift, JavaScript (preferably familiar with React JS)), and their strengths and weaknesses in regard to security and their application (Software development background is beneficial)

• General mobile security concepts (i.e. Secure enclaves, mobile IPC, Sandboxing, Code signing …)

• Web application vulnerabilities and security concepts (session management, XSS, CSRF, …)

• Application perimeter defence (i.e. Web Application Firewalls)

• API gateway and Service Mesh and their security implications (i.e. APIGEE, ISTIO…)

• Design for security, threat modelling and application security methodologies and frameworks (i.e. Microsoft SDL,OWASP ASVS…)

• Cryptographic primitives and protocols and their applications and limitations

What you'll be doing

You will be involved in all phases of the Software Development Lifecycle, thinking end to end. You will be the security engineering subject matter expert and will work alongside other engineers to deliver both technical and design outcomes as well as collaborating across other technical delivery and support areas, providing advice and consultancy. You will also be working on innovation, R&D projects in security including Homomorphic Encryption (HE), secure enclaves and quantum resistant cryptography. It is worth mentioning that security engineers are mainly accountable for the Protect function of our enterprise cybersecurity framework.

• Engagement with programmes & projects to provide expert input from early life through to production support

• Accountable for detailed design for security and secure programming

• Engineering of secure software solutions, including design & code reviews from security perspective

• Threat modelling

• Understanding the business impact of technical problems and be comfortable making risk assessments

For a confidential discussion and full details, please get in touch with Jon at

Application Security Engineer// London // Negotiable DOA // Incredible Benefits Package

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