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Senior Application Security Engineer

Lawrence Harvey
City of London
2 weeks ago
Applications closed

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Salary:up to £100,000 + bonus + benefits

Location:UK – Remote


This company is scaling its security function and is hiringSenior Application Security Engineersto help embed secure development practices across its engineering teams. You’ll play a hands-on role in identifying and resolving vulnerabilities, integrating security into the SDLC, helping developers create software that is secure, robust, and production-ready by design.


You’ll be joining a high-impact security team at a pivotal point in the company’s growth. The environment spans legacy systems, enterprise-grade platforms, and greenfield builds – making it an ideal opportunity for individuals who thrive in varied, fast-paced environments and enjoys taking ownership of deep technical security challenges.


Responsibilities:

  • Proactively identify and fix vulnerabilities across applications, including submitting secure code changes via pull requests.
  • Conduct secure code reviews and provide clear remediation guidance to engineering teams.
  • Embed automated security checks into CI/CD pipelines using existing AppSec tools.
  • Perform threat modelling and contribute to secure design decisions.
  • Develop PoCs to demonstrate risk and impact of discovered vulnerabilities.


Requirements:

  • 5+ years of hands-on experience in application security and secure software development.
  • Strong knowledge of secure coding practices and common vulnerabilities (OWASP)
  • Experience with SAST, DAST, and IAST tools and integrating them into CI/CD pipelines.
  • Proficiency in writing and reviewing code (JavaScript, Java, Python) with an emphasis on secure patterns.
  • Ability to work closely with engineers to drive adoption of security best practices across teams.


If you're passionate about application security and want to help shape how secure software is built and delivered, click to apply or reach out directly at .

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