Application Engineer

• Own application security across Product Engineering and remediate vulnerabilities in codebases
• Own security tooling including secrets detection, dependency scanning, SAST, DefectDojo, and threat modelling
• Complete SAST vendor proof of concept across pilot teams and tune rules for developer trust
• Integrate findings into DefectDojo and automate team ownership, repository coverage, and pipeline-blocking rules
• Build secure defaults into shared libraries and pipeline templates for authentication, session handling, input validation, secrets, dependency, and container checks
• Run threat modelling and produce owned, dated backlog items
• Triage scanner, penetration-test, and external findings and track remediation to closure against severity SLAs
• Lead application-layer incident response, assess potential personal-data exposure with Legal, write postmortem actions, and support fraud, phishing, and customer-flagged cases
• Own penetration-testing, responsible-disclosure, security inbox, and SAST vendor relationships
• Review third-party risks and answer partner security questionnaires
• Measure and present security posture to the CTO and VP of Engineering
• Grow the Security Champions programme and coordinate quarterly security improvements
• Maintain and communicate a Now/Next/Later security roadmap

Explore Senior Application Security Engineer at Treatwell. Review requirements and application details.

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