Senior Application Security Engineer

Lawrence Harvey; United Kingdom; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading company is seeking a Senior Application Security Engineer to enhance its security function. You will play a critical role in embedding secure development practices, identifying vulnerabilities, and integrating security into the software development lifecycle. This position offers a dynamic environment with opportunities to tackle deep technical challenges.

Qualifications

• 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 integrating security tools into CI/CD pipelines.

Responsibilities

• Proactively identify and fix vulnerabilities across applications.
• Conduct secure code reviews and provide remediation guidance.
• Embed automated security checks into CI/CD pipelines.

Skills

Application Security

Secure Coding Practices

Vulnerability Assessment

Threat Modelling

Tools

SAST

DAST

IAST

Job description

This range is provided by Lawrence Harvey. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Lawrence Harvey

Red Team - Offensive Security Recruitment Consultant

Senior Application Security Engineer

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

Location: UK – Remote

This company is scaling its security function and is hiring Senior Application Security Engineers to 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.
• 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 [e-mail].

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Staffing and Recruiting, IT Services and IT Consulting, and Wellness and Fitness Services

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