Application Security Engineer

Added 07/10/2026

We are seeking an Application Security Engineer to help strengthen the security of modern software applications throughout their development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to identify security risks, improve secure development practices and support the delivery of resilient, high-quality applications. You will contribute to security standards, threat modelling, architecture reviews and the integration of security controls into development and deployment processes. Your responsibilities will include conducting secure code reviews, analysing application vulnerabilities and supporting penetration testing activities. You will help manage and improve software composition analysis, static and...

Application Security Engineer, Amazon Application Security

Added 17/09/2026

We are seeking an Application Security Engineer to help build and strengthen secure software across a diverse technology environment. In this role, you will partner with software engineers, architects, product managers, and infrastructure teams to identify security risks early and integrate effective controls throughout the development lifecycle. You will contribute to security reviews, threat modelling, architecture assessments, secure design guidance, and vulnerability management for applications and services. Your responsibilities will include conducting code and design reviews, developing security requirements, supporting penetration testing and security assessments, and helping teams remediate vulnerabilities through practical, scalable solutions. You will create and maintain application...

Security Design Engineer (Application Security)

Added 17/09/2026

We are seeking a Security Design Engineer (Application Security) to help embed security throughout the software development lifecycle. In this role, you will work closely with software engineers, architects, product teams and delivery stakeholders to design secure, resilient applications and services. You will translate security principles into practical engineering guidance, identify risks early, and support teams in delivering solutions that meet business and regulatory requirements. Your responsibilities will include conducting threat modelling, security architecture reviews and design assessments for new and existing applications. You will define security requirements, review technical specifications, assess application and API controls, and recommend appropriate mitigations...

Security engineer, application security (UK)

Added 07/09/2026

We are seeking a Security Engineer, Application Security, to help strengthen the security of modern applications and services across the software development lifecycle. You will work closely with software engineers, architects, product teams and technology stakeholders to identify security risks, improve engineering practices and support the delivery of secure, resilient products. This role is suited to someone who enjoys solving complex technical problems, influencing teams and making security practical and scalable. Your responsibilities will include conducting threat modelling, reviewing application designs and source code, and identifying vulnerabilities across web applications, APIs, cloud services and supporting infrastructure. You will help define...

Application Security Engineer, Audio, Twitch & Games (ATG) Security

Added 18/08/2026

We are seeking a skilled Application Security Engineer to join a dynamic team focused on enhancing the security of audio, Twitch, and gaming applications. In this role, you will be responsible for identifying, assessing, and mitigating security vulnerabilities across various software products. You will collaborate closely with development teams to integrate security best practices into the software development lifecycle, ensuring robust security measures are in place from the ground up. Your expertise will be vital in conducting threat modeling, code reviews, and security assessments, as well as providing guidance on secure coding practices. The ideal candidate will have a deep...

Application Security Engineer

Added 14/10/2026

We are seeking an experienced Application Security Engineer to help build secure, resilient software throughout the development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to identify security risks early, strengthen application controls and promote secure engineering practices. You will contribute to security initiatives across web, mobile, API and cloud-based applications, helping teams deliver reliable products without compromising usability or delivery speed. Your responsibilities will include conducting secure code reviews, threat modelling, architecture assessments and application security testing. You will design and maintain security tooling integrated into CI/CD pipelines, analyse findings...

Lead Application Security Engineer

Added 13/10/2026

We are seeking a Lead Application Security Engineer to provide technical leadership across the secure software development lifecycle. In this role, you will help shape application security strategy, establish practical security standards, and work closely with engineering, architecture, infrastructure, and product teams to embed security into the design, development, testing, and release of software. You will lead initiatives that reduce risk while enabling teams to deliver reliable, scalable, and secure applications. Your responsibilities will include developing and maintaining application security policies, patterns, and guidance; leading threat modelling, architecture reviews, and security assessments; and supporting the identification, prioritisation, and remediation of...

Senior Application Security Engineer

Added 09/10/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of modern software applications throughout their development lifecycle. In this role, you will work closely with engineering, architecture, DevOps, and product teams to embed secure-by-design principles into application development, deployment, and operations. You will contribute to security strategy, establish practical standards, and support teams in delivering resilient, secure services without compromising delivery speed or user experience. Your responsibilities will include conducting application security assessments, threat modelling, secure code reviews, and vulnerability analysis across web, mobile, API, cloud, and distributed systems. You will design and improve security controls...

Application Security Engineer

Added 06/10/2026

We are seeking an Application Security Engineer to help embed security throughout the software development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to identify and address security risks across web applications, APIs, cloud services and supporting infrastructure. You will contribute to building secure-by-design practices while helping teams deliver reliable, high-quality products. Your responsibilities will include conducting application security assessments, threat modelling, vulnerability reviews and penetration testing; supporting secure code reviews; and analysing findings from automated and manual testing. You will help define security requirements, improve development standards and provide practical...

Lead Application Security Engineer

Added 06/10/2026

We are seeking a Lead Application Security Engineer to provide technical leadership across the software development lifecycle and strengthen the security of modern applications and services. In this role, you will define and implement application security practices, collaborate closely with engineering, architecture, infrastructure and product teams, and help embed security into design, development, testing and deployment. You will act as a trusted adviser, balancing secure engineering principles with delivery objectives and business priorities. Your responsibilities will include leading threat modelling and secure design reviews; defining application security standards, patterns and controls; and supporting teams in identifying and remediating vulnerabilities. You...

Application Security Engineer

Added 05/10/2026

We are seeking an Application Security Engineer to help protect the organisation’s software, systems and customers from evolving cyber threats. In this role, you will work closely with development, DevOps, infrastructure and product teams to embed security throughout the software development lifecycle. You will contribute to the design and implementation of secure applications, identify weaknesses before they reach production, and support a strong culture of security awareness across technical teams. Your responsibilities will include conducting application security assessments, threat modelling, code reviews and penetration testing, as well as analysing findings from automated security tools. You will help manage and improve...

Application Security Engineer

Added 05/10/2026

We are seeking an Application Security Engineer to help strengthen the security of software applications throughout their development lifecycle. In this role, you will work closely with software engineers, architects, DevOps specialists and product teams to embed secure development practices into design, implementation, testing and deployment. You will contribute to a proactive security culture by identifying risks early, providing practical guidance and helping teams deliver resilient, high-quality applications. Your responsibilities will include conducting application security reviews, threat modelling, code reviews and penetration testing across web, mobile, API and cloud-based services. You will manage and improve security testing tools, including static...

Application Security Engineer

Added 05/10/2026

We are seeking an Application Security Engineer to help embed secure development practices across the software lifecycle. In this role, you will work closely with software engineers, architects, product managers and infrastructure teams to identify, assess and address application security risks. You will contribute to security-by-design initiatives, support threat modelling activities and help ensure that security controls are practical, proportionate and aligned with business and technical objectives. Your responsibilities will include conducting security reviews of applications, APIs and cloud-based services; identifying vulnerabilities through code review, automated tooling and manual testing; and supporting the prioritisation, remediation and verification of security findings....

Senior Application Security Engineer - AI Code Evaluation

Added 30/09/2026

We are seeking a Senior Application Security Engineer to help evaluate the security, reliability, and misuse resistance of AI-generated code. In this role, you will design and execute assessments that identify vulnerabilities, insecure coding patterns, and potential weaknesses in software produced by advanced AI systems. You will work across application security, secure software development, and AI evaluation, helping establish practical standards for measuring code quality and security at scale. Your responsibilities will include developing threat models, security test plans, and automated evaluation frameworks for AI-generated applications and code snippets. You will review outputs for vulnerabilities such as injection, authentication and...