Application Security Engineer

Company: HealthHero
Apply for the Application Security Engineer
Location: London
Job Description:

Requirements

  • 3+ years in application security, DevSecOps, and secure software development
  • Hands‑on experience with CI/CD security integration (GitLab CI or similar)
  • Familiarity with SAST/DAST tooling and dependency scanning
  • Understanding of common vulnerabilities (OWASP Top 10) and remediation
  • Previous experience working as a back end or full stack developer
  • Knowledge of GDPR and data protection legislation
  • Strong communicator; able to translate security requirements for developers
  • (Desirable) Development background with security focus
  • (Desirable) Familiarity with SIEM platforms (Snowbit, Splunk, Sentinel)
  • (Desirable) Experience with CSPM tooling (Wiz, Prisma Cloud, or similar)
  • (Desirable) Penetration testing or bug bounty experience
  • (Desirable) Experience in regulated environments (healthcare, financial services)
  • (Desirable) Familiarity with threat modelling frameworks (STRIDE, PASTA)

What the job involves

  • You will own security across the software development lifecycle, embedding automated security testing into CI/CD pipelines and enabling development teams to ship secure code quickly
  • This role works closely with UK and France engineering teams
  • As an experienced Application Security Engineer, your working day will include but not be limited to: DevSecOps & Pipeline Security:
  • Implement and maintain security testing in GitLab CI pipelines
  • Configure and tune SAST, DAST, dependency scanning, and secrets detection
  • Build automated security gates that balance rigour with delivery velocity
  • Enable self‑serve security tooling for development teams
  • Contribute code and patches to security tooling and configurations
  • Secure Development:
  • Define and enforce secure coding standards
  • Conduct security‑focused code reviews and threat modelling for new features
  • Provide remediation guidance for application vulnerabilities
  • Train and support developers on secure coding practices
  • Vulnerability Management:
  • Triage, patch and track application vulnerabilities through to remediation
  • Manage dependency vulnerabilities and upgrade cycles
  • Report on application security posture to senior leadership
  • Risk & Compliance:
  • Embed GDPR and healthcare regulatory requirements into development processes
  • Support DCB0129 clinical safety compliance for software changes
  • Support customer security due diligence and audits
  • Support ISO27001:2022 ISMS controls and audit process

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Posted: June 1st, 2026