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Application Security Engineer JavaScript

Remote / Online - Candidates ideally in
London, Greater London, W1B, England, UK
Listing for: Client Server
Remote/Work from Home position
Listed on 2026-09-03
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Information Security & Data Protection, IT Consultant
Job Description & How to Apply Below
Application Security Engineer (JavaScript / Type Script Web) London / Remote to 80kDo you have expertise with application security combined with strong JavaScript / Type Script coding skills?

You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure and some of the world's largest enterprises against identity fraud, deepfakes and sophisticated cyber threats.

As an Application Security Engineer you'll collaborate closely with the web development team to ensure security is at the centre of all web based applications. Joining a specialist security team, you'll focus on offensive web security, acting as the bridge between Security and Engineering. You'll perform penetration testing, reverse engineering and vulnerability assessments, identifying security risks and working closely with developers to build secure, resilient web applications from the ground up.

This is a highly collaborative role where you'll provide expert guidance on secure coding practices, influence architecture and design decisions and help embed security throughout the software development lifecycle.

Location / WFH:

You can work from home most of the time, meeting up with colleagues in the London office approximately twice a month for innovation sessions and team meetings.

About you:

You have strong experience in web application security and offensive security testing

You have hands-on expertise in penetration testing and reverse engineering

You have a deep understanding of modern web security vulnerabilities and mitigation techniques

You have commercial JavaScript experience, with Type Script knowledge highly desirable

You're comfortable writing and reviewing production code, not just identifying vulnerabilities

You're collaborative and pragmatic, able to work closely with engineering teams

What's in it for You?

Salary to 80k Bonus Equity Excellent  career progression

Apply now to find out more about this Application Security Engineer (JavaScript / Type Script Web) opportunity.
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