Application Security Engineering Manager at offices and | London, UK

June 16, 2026
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Synthesia is seeking a highly skilled and experienced Application Security Engineering Manager to lead our security initiatives from our offices in London, UK. As the world’s leading AI video platform for business, used by over 90% of the Fortune 100, security is paramount to our continued innovation and trust. This role offers a unique opportunity to shape the security posture of a rapidly growing, cutting-edge technology company.

Job Overview

The Application Security Engineering Manager will be responsible for developing and implementing comprehensive security strategies for our AI video platform. You will lead a team of dedicated security engineers, fostering a culture of security awareness and excellence across the organization. This role demands a strategic thinker with a deep understanding of application security principles and a proven track record of managing security programs in a dynamic, fast-paced environment.

Key Responsibilities

  • Lead and mentor a team of application security engineers.
  • Develop and execute a robust application security roadmap.
  • Oversee security architecture reviews and threat modeling for new features and services.
  • Implement and manage security testing methodologies, including SAST, DAST, and IAST.
  • Drive the integration of security into the CI/CD pipeline.
  • Respond to and manage security incidents effectively.
  • Collaborate with development teams to ensure secure coding practices.
  • Stay abreast of emerging security threats and vulnerabilities.

Requirements

  • Bachelor’s degree in Computer Science, Cybersecurity, or a related field (or equivalent practical experience).
  • 5+ years of experience in application security engineering.
  • 2+ years of experience in a leadership or management role.
  • In-depth knowledge of common web vulnerabilities (OWASP Top 10) and mitigation strategies.
  • Experience with security testing tools and frameworks.
  • Strong understanding of secure software development lifecycle (SSDLC).
  • Excellent communication, collaboration, and problem-solving skills.

What We Offer

  • Competitive compensation package.
  • Opportunity to work with a leading AI technology company.
  • Dynamic and collaborative work environment.
  • Professional development and growth opportunities.
  • Comprehensive benefits package.