Security Software Engineer - Python & AI Evaluation

Added 30/09/2026

We are seeking a Security Software Engineer specialising in Python and AI evaluation to help design, build and assess secure software systems that support the development of reliable artificial intelligence products. You will work across application security, automation and model evaluation, creating robust tools and services that identify vulnerabilities, validate system behaviour and improve the safety and quality of AI-enabled applications. Your responsibilities will include developing maintainable Python code for security testing, evaluation pipelines and internal tooling; designing automated tests for APIs, data flows, authentication mechanisms and AI model interactions; and analysing outputs to identify risks such as prompt injection,...

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...

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...

Senior Systems Engineer - Application Security

Added 24/09/2026

We are seeking a Senior Systems Engineer – Application Security to strengthen the security, reliability, and performance of critical applications and supporting infrastructure. In this role, you will work closely with software engineering, platform, operations, and risk teams to embed security throughout the application lifecycle, from design and development through deployment and ongoing maintenance. You will provide technical leadership on secure architecture, systems hardening, vulnerability management, identity and access controls, and cloud security practices. Your responsibilities will include reviewing application and infrastructure designs, identifying security risks, and recommending practical, scalable improvements. You will develop and maintain security standards, controls, and...

Senior Application Security Engineer (AI)

Added 22/09/2026

We are seeking a Senior Application Security Engineer (AI) to strengthen the security of AI-enabled products, platforms, and software applications. You will work closely with software engineers, machine learning specialists, platform teams, and product stakeholders to identify and reduce security risks throughout the development lifecycle. The role combines hands-on technical work with security guidance, helping teams build resilient applications while enabling the safe adoption of artificial intelligence technologies. Your responsibilities will include designing and implementing application security standards, threat models, and secure development practices for web services, APIs, cloud infrastructure, and AI systems. You will conduct security reviews, code and...

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...

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...

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...

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...

Senior Application Security Engineer

Added 18/08/2026

We are seeking a skilled Senior Application Security Engineer to join our dynamic team. In this role, you will be responsible for identifying, evaluating, and mitigating security vulnerabilities throughout the software development lifecycle. You will partner closely with development teams to integrate security practices into their workflows, ensuring that applications are built and maintained with security as a core component. Your expertise will be crucial in conducting security assessments, code reviews, and penetration testing, as well as providing actionable recommendations to enhance the security posture of our applications. The ideal candidate will possess a strong background in application security principles,...

Senior Application Security Engineer

Added 18/08/2026

We are seeking a skilled Senior Application Security Engineer to join our dynamic team. In this role, you will be responsible for leading the design and implementation of security measures throughout the software development lifecycle. You will work closely with development teams to identify vulnerabilities, establish security best practices, and ensure that applications are built with robust security features. Your expertise will contribute to the continuous improvement of security processes and tools, ensuring compliance with industry standards and regulations. Key responsibilities include conducting security assessments, performing code reviews, and collaborating on threat modeling sessions. You will also be tasked with...

Manager/Senior Manager, Delivery Management - Application Security

Added 12/10/2026

We are seeking a Manager/Senior Manager, Delivery Management – Application Security to lead the planning, coordination and delivery of application security initiatives across a complex technology environment. This role will work closely with engineering, product, architecture, infrastructure, risk and compliance teams to embed secure development practices throughout the software development lifecycle. You will translate security priorities into clear delivery plans, establish practical governance and ensure that projects achieve agreed outcomes on time, within scope and to the required quality standards. Key responsibilities include managing a portfolio of application security programmes, projects and continuous improvement initiatives; developing roadmaps, milestones, resource plans...

Senior Application Security Consultant

Added 04/09/2026

We are seeking a Senior Application Security Consultant to help strengthen the security of modern software applications and development processes. In this role, you will work closely with engineering, architecture, infrastructure, and product teams to identify and address security risks throughout the software development lifecycle. You will provide practical, risk-based guidance that enables teams to build and maintain secure, resilient applications without compromising delivery objectives. Your responsibilities will include conducting application security assessments, threat modelling, secure code reviews, penetration testing, and vulnerability analysis across web, mobile, API, cloud, and distributed systems. You will advise on remediation strategies, validate corrective actions,...

Senior Application Security Analyst - L3

Added 04/09/2026

We are seeking a Senior Application Security Analyst – L3 to provide advanced security expertise across the software development lifecycle. The successful candidate will investigate and resolve complex application security issues, support the remediation of vulnerabilities, and help strengthen secure development practices across a varied technology environment. This role will act as a senior escalation point for security incidents, technical findings, and high-risk application weaknesses. Key responsibilities include conducting in-depth vulnerability assessments, penetration testing, code reviews, and threat modelling for web, mobile, API, and cloud-based applications. You will analyse findings from automated and manual testing tools, validate risk, develop practical...