Senior Mobile Security Developer - Contract (Inside IR35)

Added 21/09/2026

We are seeking a Senior Mobile Security Developer to support the design, development and assurance of secure mobile applications within a complex technology environment. This is a contract opportunity operating inside IR35, suited to an experienced security-focused software engineer who can combine hands-on development expertise with a strong understanding of mobile application security, secure architecture and risk management. You will work across the mobile development lifecycle, helping teams identify and address security risks from initial design through to release and ongoing maintenance. Responsibilities will include performing threat modelling and security reviews, assessing Android and iOS applications, reviewing source code, identifying...

Senior Mobile Security Developer

Added 18/09/2026

We are seeking a Senior Mobile Security Developer to strengthen the security of mobile applications and services across iOS and Android platforms. In this role, you will design, implement and maintain secure mobile solutions, embed security throughout the software development lifecycle, and help protect sensitive data, user identities and application functionality. You will work closely with mobile engineers, backend developers, architects, product teams and security specialists to identify risks and deliver practical, resilient solutions. Your responsibilities will include defining mobile security standards, reviewing application architecture and source code, conducting threat modelling, and identifying vulnerabilities through manual testing and automated analysis....

Mobile security Engineer

Added 15/09/2026

We are seeking a Mobile Security Engineer to help protect mobile applications, devices, services, and supporting infrastructure throughout the development lifecycle. You will work closely with software engineers, architects, product teams, and security specialists to identify risks, design effective controls, and ensure security is built into mobile products from the outset. The role will involve assessing Android and iOS applications, reviewing source code and architecture, analysing application behaviour, and supporting the resolution of vulnerabilities. Your responsibilities will include conducting mobile application security assessments, penetration tests, threat modelling exercises, and code reviews; developing security requirements and reusable guidance for mobile engineering...

Software Engineer - Mobile Security

Added 02/09/2026

We are seeking a Software Engineer - Mobile Security to design, build and improve secure mobile applications and security-focused platform components. You will work across the software development lifecycle, from technical discovery and architecture through implementation, testing, release and ongoing maintenance. The role will involve developing robust solutions for iOS and/or Android, identifying potential vulnerabilities, and helping ensure that mobile products protect user data and withstand evolving security threats. Your responsibilities will include implementing secure coding practices, reviewing application designs, conducting code and threat assessments, and collaborating with engineering teams to remediate security issues. You will contribute to authentication, authorisation,...

Solutions Engineer, Mobile Security EMEA

Added 01/09/2026

We are seeking a Solutions Engineer, Mobile Security to support customers across the EMEA region. In this customer-facing role, you will partner with sales teams, security leaders, developers and technical stakeholders to understand business and application security challenges, then design and present solutions that address their needs. You will act as a trusted technical adviser throughout the sales process, from discovery and requirements gathering through demonstrations, evaluations, proof-of-concepts and successful handover to implementation teams. Key responsibilities include delivering compelling product demonstrations and technical presentations, developing solution architectures, responding to requests for information and proposals, and guiding customers through the evaluation...

Mobile Security Engineer

Added 01/09/2026

We are seeking a Mobile Security Engineer to strengthen the security of mobile applications and services across their full development lifecycle. In this role, you will work closely with software engineers, product teams, architects and security specialists to identify risks, design effective controls and help deliver secure, reliable mobile experiences. You will contribute to security strategy while remaining hands-on with application assessments, threat modelling and remediation. Your responsibilities will include reviewing iOS and Android applications, APIs and supporting infrastructure; performing static, dynamic and manual security testing; identifying vulnerabilities in code, authentication, data storage, communications and third-party dependencies; and providing clear,...

Mobile Security Engineer

Added 19/08/2026

We are seeking a skilled Mobile Security Engineer to join our dynamic team. In this role, you will be responsible for developing and implementing security measures to protect mobile applications and devices from potential threats. You will analyze the security architecture of mobile systems and conduct risk assessments to identify vulnerabilities. Your expertise will be crucial in creating security protocols, performing code reviews, and ensuring compliance with industry standards and best practices. Additionally, you will collaborate with developers and other stakeholders to integrate security into the software development lifecycle. The ideal candidate will possess a strong understanding of mobile operating...

Mobile Security Engineer

Added 31/07/2026

We are seeking a skilled Mobile Security Engineer to join our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining security protocols for mobile applications and devices. You will conduct security assessments, threat modeling, and vulnerability analysis to identify and mitigate risks. Collaborating with cross-functional teams, you will ensure that security best practices are integrated throughout the software development lifecycle, while also providing guidance and support on security-related issues. Your expertise will be instrumental in developing secure coding standards and conducting code reviews to enhance the overall security posture of our mobile applications. The ideal...

Mobile Security Engineer

Added 31/07/2026

We are seeking a skilled Mobile Security Engineer to join our dynamic team. In this role, you will be responsible for ensuring the security of mobile applications and devices throughout their lifecycle. Your primary duties will include conducting threat assessments, vulnerability assessments, and security audits on mobile applications. You will collaborate with developers to integrate security best practices into the software development lifecycle, ensuring that security is a fundamental aspect of the application design and deployment process. In addition to technical expertise, you will be tasked with developing and implementing security policies and procedures tailored for mobile platforms. You will...

Mobile Security Engineer

Added 31/07/2026

Seeking a Mobile Security Engineer to join a dynamic and innovative team focused on safeguarding mobile applications and platforms. In this role, you will be responsible for designing, implementing, and maintaining robust security measures for both iOS and Android environments. You will collaborate with developers, product managers, and IT teams to identify and mitigate security vulnerabilities, conduct regular security assessments, and provide guidance on secure coding practices. Key duties include performing threat modeling, penetration testing, and code reviews, as well as staying current with the latest security trends and threats specific to mobile ecosystems. The ideal candidate will have a...

On-Site Mobile Security Officer

Added 25/08/2026

We are seeking a reliable and professional On-Site Mobile Security Officer to provide a visible security presence across multiple locations. The role involves travelling between assigned sites, conducting regular patrols, monitoring premises, and responding promptly to incidents, alarms, and security concerns. You will help protect people, property, equipment, and confidential information while maintaining a high standard of customer service at all times. Key responsibilities will include carrying out scheduled and random mobile patrols, securing buildings and access points, checking alarms, gates, lighting, and other security systems, and reporting any defects or suspicious activity. You will control access where required, verify...

Mobile Security Officer

Added 25/08/2026

We are seeking a professional and vigilant Mobile Security Officer to provide a visible security presence across multiple sites and locations. The successful candidate will be responsible for protecting people, property, assets and information while delivering a high standard of customer service. This is a mobile role requiring flexibility, sound judgement and the ability to respond promptly to changing situations. Key duties will include conducting scheduled and random patrols, completing detailed site inspections, monitoring access and egress, securing buildings and responding to alarms or incidents. You will investigate and report suspicious activity, manage and record visitor or contractor access, carry...

Mobile Security Response Officer

Added 25/08/2026

We are seeking a Mobile Security Response Officer to help protect people, property and assets across a varied portfolio of locations. This is a practical, visible role suited to someone who can remain calm under pressure, make sound decisions and respond effectively to incidents. You will work independently and as part of a wider security team, providing a professional presence while delivering a high standard of customer service. Your duties will include conducting mobile patrols, responding promptly to alarms and reported incidents, carrying out security checks, and identifying and reporting hazards, suspicious activity or breaches of procedure. You will secure...

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 (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...