Software Developer – Cyber Security Applications

Job Title: Software Developer – Cyber Security Applications

Occupation Code: 2134 – Programmers and Software Development Professionals

Location: UK (with occasional international collaboration)

Working Hours: Full-time, 37.5 hours per week

Salary: £50,000 per annum

Job Purpose

GuardianFM is seeking a skilled Software Developer with deep expertise in mobile and web application development to join its new digital division focused on secure systems and cyber-resilient software solutions. The successful candidate will lead the design and development of scalable, secure digital platforms that support our facilities management operations and cyber security offerings across the UK and international markets.

Key Responsibilities

Application Development

• Develop modular, scalable codebases with built-in controls to handle user authentication, secure storage, encrypted communication, and session integrity
• Contribute to the technical design of secure systems tailored to client needs in regulated environments (e.g., facilities management, logistics, training services)
• Implement front-end and back-end logic ensuring platform responsiveness, data integrity, and security across devices

Security-Focused Programming

• Apply secure development lifecycle principles from design through deployment, including input validation, access control, and risk mitigation in logic layers
• Integrate security testing into the development workflow, including unit testing, code coverage tracking, and use of CI/CD pipelines
• Collaborate with client security teams to identify vulnerabilities and proactively implement remediation during development stages

System Integration and Delivery

• Support the deployment of systems that interact with third-party APIs, secure dashboards, and data collection platforms
• Optimise app performance and security across platforms, particularly Android-based environments
• Maintain documentation for code, system architecture, and security practices to ensure audit readiness and traceability

Stakeholder Collaboration and Technical Support

• Work closely with client teams for code reviews, technical briefings, and solution workshops to align software outputs with business goals
• Provide ongoing support for performance monitoring, patching, and secure feature enhancements

Qualifications And Experience

• Bachelor’s degree in computer science or a related subject
• Extensive professional experience in mobile and web software development with a focus on secure applications
• Proven experience implementing secure coding practices and application-level protections in data-sensitive environments
• Strong understanding of secure app lifecycle, including integration of CI/CD, automated testing, and mobile risk mitigation
• Familiarity with cyber security principles, especially for mobile environments and cloud-connected applications
• International exposure to product delivery, particularly across UK or similar compliance-led markets
• Excellent technical documentation and cross-functional communication skills