Senior Application Security Engineer - REMOTE

Lawrence Harvey; London; Remote; GBP 90,000 - 100,000; Full time

Job summary

A leading technology company is seeking a Senior Application Security Engineer to enhance its security practices within engineering teams. The role involves identifying vulnerabilities, integrating security into the development lifecycle, and collaborating closely with engineers to ensure robust and secure software delivery. This position offers a competitive salary alongside bonuses and benefits, providing an excellent opportunity for professionals to contribute to security transformation.

Qualifications

• 5+ years of hands-on experience in application security.
• Proficiency in writing and reviewing secure code in JavaScript, Java, Python.
• Strong knowledge of OWASP and secure coding practices.

Responsibilities

• Identify and fix vulnerabilities across applications.
• Conduct secure code reviews and provide guidance.
• Integrate automated security checks into CI/CD pipelines.

Skills

Secure coding practices

Application security knowledge

Vulnerability assessment

Threat modeling

Collaboration with engineering teams

Tools

SAST

DAST

IAST

Job description

You will need to login before you can apply for a job.

Senior Application Security Engineer - REMOTE

Employer Lawrence Harvey Location London, United Kingdom Salary GBP 90,000.00 - 100,000.00 per year Closing date 13 Jun 2025

View more categories View less categories Sector Engineering ,IT ,Security Job Role Application Security Job Type Permanent

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.
• 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 [e-mail].

Lawrence Harvey is acting as an Employment Business in regards to this position. Visit our website and follow us on Twitter for all live vacancies (lawharveyjobs)

Create a job alert and receive personalised job recommendations straight to your inbox.