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Posted 30 July, 2026

Web Security Engineer JavaScript

Client Server
London, ENG, GB Full Time

Job Description

Web Security Engineer (JavaScript / TypeScript) London / Remote to £80kDo you have expertise with web security combined with strong JavaScript / TypeScript 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 a Web 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 testingYou have hands-on expertise in penetration testing and reverse engineeringYou have a deep understanding of modern web security vulnerabilities and mitigation techniquesYou have commercial JavaScript experience, with TypeScript knowledge highly desirableYou're comfortable writing and reviewing production code, not just identifying vulnerabilitiesYou're collaborative and pragmatic, able to work closely with engineering teamsWhat's in it for You?Salary to £80kBonusEquityExcellent career progressionApply now to find out more about this Web Security Engineer (JavaScript / TypeScript) opportunity.TPBN1_UKTJ