Application Security Engineer; London or Bristol

Application Security Engineer (London or Bristol)

We are Health Hero, Europe’s largest digital clinic. Join us at a pivotal moment as we scale our digital healthcare platform across Europe — giving you the chance to shape security at the heart of a fast‑growing, AI‑driven business. We are recruiting an exciting Application Security Engineer on an initial 12 month fixed‑term contract, with a view to becoming permanent – based in either our London or Bristol office two days per week.

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:

• Implement and maintain security testing in Git Lab 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

• 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

• Triage, patch and track application vulnerabilities through to remediation
• Manage dependency vulnerabilities and upgrade cycles
• Report on application security posture to senior leadership

• Embed GDPR and healthcare regulatory requirements into development processes
• Support DCB
  0129 clinical safety compliance for software changes
• Support customer security due diligence and audits
• Support ISO
  27001:2022 ISMS controls and audit process

• 3+ years in application security, Dev Sec Ops , and secure software development
• Hands‑on experience with CI/CD security integration (Git Lab 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

• Development background with security focus
• Familiarity with SIEM platforms (Snowbit, Splunk, Sentinel)
• Experience with CSPM tooling (Wiz, Prisma Cloud, or similar)
• Penetration testing or bug bounty experience
• Experience in regulated environments (healthcare, financial services)
• Familiarity with threat modelling frameworks (STRIDE, PASTA)

London or Bristol (require two days per week)

• A full induction training programme, which will be undertaken via Microsoft Teams.
• Opportunity to work as part of an experienced team who are passionate, supportive, diverse and dynamic.
• 25 days leave.
• Bank holidays and your birthday off as leave.
• Regular 1‑2‑1s with your line manager.
• 24/7 on‑call staff support.
• Auto‑enrolment pension scheme.
• Health scheme and access to our employee assistance programme.
• Life insurance scheme.

In line with our commitment to Equality, Inclusivity and Diversity, we welcome and encourage applications from all suitably qualified candidates from all backgrounds. We are committed to supporting and promoting equality and diversity and aim to establish an inclusive working environment. We welcome diverse applications from candidates irrespective of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race (including colour, nationality, ethnic and national origin), religion or belief, sex, or sexual orientation.

We are a certified Disability Confident Employer and are committed to affording equal opportunities for candidates with disabilities or special needs. Should you require any reasonable adjustments to be made at any part of your application process, please let us know by contacting us at recruitment‑