Security engineer, detection and response (UK)

Added 18/08/2026

We are seeking a skilled Security Engineer specializing in Detection and Response to join our dynamic team. In this role, you will be responsible for identifying and mitigating security threats by designing and implementing advanced detection mechanisms. You will analyze security incidents, conduct thorough investigations, and develop effective response strategies to enhance our organization's security posture. Collaboration with cross-functional teams to create and maintain security policies, standards, and best practices will be essential to ensure comprehensive protection against evolving cyber threats. The ideal candidate will possess a strong understanding of cybersecurity frameworks and tools, along with experience in incident response...

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...

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...

Senior Application Security Engineer (Remote - United Kingdom)

Added 14/09/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of modern software products and services across their full development lifecycle. In this role, you will work closely with software engineers, architects, product teams and infrastructure specialists to embed secure-by-design principles into applications, platforms and delivery processes. You will help shape security standards, provide pragmatic guidance and support teams in identifying and addressing risks without unnecessarily slowing innovation. Your responsibilities will include conducting threat modelling, reviewing application and infrastructure designs, and performing or coordinating security assessments, code reviews and penetration testing. You will analyse findings from automated...

Application Security Engineer

Added 11/09/2026

We are seeking an Application Security Engineer to help strengthen the security of modern software applications throughout their development lifecycle. You will work closely with software engineers, architects, DevOps specialists and product teams to identify security risks early, promote secure engineering practices and support the delivery of resilient, high-quality applications. This role offers the opportunity to influence security strategy while remaining hands-on with technical assessment and remediation. Your responsibilities will include designing and maintaining application security processes, integrating security controls into CI/CD pipelines, and conducting code reviews, threat modelling, vulnerability assessments and penetration testing. You will investigate findings from automated...

Senior Application Security Engineer (Remote - United Kingdom)

Added 11/09/2026

We are seeking a Senior Application Security Engineer to help strengthen the security of software products and services delivered across a fast-paced, technology-focused environment. Working remotely within the United Kingdom, you will partner with engineering, platform, product and operations teams to embed security throughout the software development lifecycle. You will provide practical guidance, encourage secure-by-design practices and help teams deliver resilient applications without compromising speed or usability. Your responsibilities will include defining and improving application security standards, threat modelling new and existing services, and conducting secure design reviews, code reviews and targeted security assessments. You will support the effective use...

Application Security Engineer

Added 08/09/2026

We are seeking an experienced 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, assess and reduce application security risks. You will contribute to a security-focused engineering culture by promoting practical, scalable controls and supporting teams in building secure products by design. Your responsibilities will include conducting secure code reviews, threat modelling, vulnerability assessments and penetration testing across web, mobile and API-based applications. You will help integrate security testing into CI/CD pipelines, define and maintain...

Senior Application Security Engineer

Added 04/09/2026

We are seeking a Senior Application Security Engineer to strengthen security across the software development lifecycle and help build resilient, secure applications at scale. In this role, you will partner with engineering, architecture, infrastructure, and product teams to identify and address security risks from design through deployment. You will define application security standards, provide practical guidance to development teams, and promote secure coding practices through coaching, documentation, and targeted enablement. Your responsibilities will include conducting threat modelling, architecture and design reviews, secure code reviews, and application security assessments. You will support and improve security testing across CI/CD pipelines, including the...

Application Security Engineer

Added 02/09/2026

We are seeking an Application Security Engineer to help embed security throughout the software development lifecycle and strengthen the resilience of web, mobile, and cloud-based applications. You will work closely with software engineers, architects, DevOps specialists, and product teams to identify, assess, and reduce security risks from design through deployment. The role combines hands-on technical investigation with practical guidance, enabling development teams to build secure, reliable, and maintainable products. Your responsibilities will include conducting secure code reviews, threat modelling, security testing, and vulnerability assessments across applications, APIs, and supporting infrastructure. You will help define and maintain application security standards, contribute...

Mobile Application Senior Security Engineer

Added 01/09/2026

We are seeking a Mobile Application Senior Security Engineer to strengthen the security of mobile products and services across their full development lifecycle. You will work closely with mobile developers, architects, product managers, and security specialists to identify risks, design resilient solutions, and embed secure engineering practices into iOS and Android applications. This role is suited to an experienced security professional who can combine hands-on technical expertise with the ability to influence teams and improve security maturity. Your responsibilities will include conducting mobile application security reviews, threat modelling, architecture assessments, code reviews, and penetration testing. You will investigate vulnerabilities, assess...

Application Security Engineer

Added 01/09/2026

We are seeking an Application Security Engineer to help embed security throughout the software development lifecycle. You will work closely with software engineers, architects, product managers and platform teams to identify risks, improve secure development practices and support the delivery of resilient, high-quality applications. The role combines hands-on technical assessment with security enablement, influencing teams to adopt practical and sustainable controls. Your responsibilities will include conducting threat modelling, secure design reviews, code reviews and penetration testing across web, mobile, API and cloud-based applications. You will manage and investigate findings from static and dynamic application security testing tools, help prioritise remediation...

Application Security Engineer

Added 26/08/2026

Application Security Engineer We are seeking an experienced Application Security Engineer to help embed security throughout the software development lifecycle. You will work closely with engineering, architecture, DevOps and product teams to identify, assess and remediate security risks across web applications, APIs, cloud services and supporting infrastructure. The role will involve reviewing designs and technical requirements, conducting secure code reviews, supporting threat modelling, coordinating application penetration testing and helping teams apply secure-by-design principles from development through to production. You will maintain and improve application security standards, guidelines and tooling, including software composition analysis, static and dynamic application security testing, secrets...

Application Security Engineer

Added 26/08/2026

We are seeking an Application Security Engineer to 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 identify, assess and reduce application security risks. You will help embed secure development practices into design, coding, testing and deployment, while promoting a practical, risk-based approach to security across the technology environment. Your responsibilities will include conducting threat modelling, secure code reviews, vulnerability assessments and penetration testing across web, mobile and application programming interface (API) platforms. You will support the implementation and optimisation of application...

Application Security Engineer

Added 24/08/2026

As an Application Security Engineer, you will play a key role in safeguarding the confidentiality, integrity, and availability of our software products. Your primary responsibility will be to assess, design, and implement robust security measures throughout the software development lifecycle. You will collaborate closely with development, operations, and product teams to identify vulnerabilities, conduct code reviews, and implement industry best practices for secure coding. Your expertise will be critical in running security assessments, penetration testing, and threat modeling for both internal and customer-facing applications. In this role, you will develop and maintain automated security testing tools and processes, ensuring continuous...