Senior Software Engineer, Security Rules

Added 08/09/2026

We are seeking a Senior Software Engineer, Security Rules to design, build, and evolve the systems that detect and prevent security threats at scale. In this role, you will develop high-quality software and rule-based detection capabilities that help identify suspicious activity, reduce risk, and protect users and services. You will work closely with security analysts, threat intelligence specialists, product managers, and engineering teams to translate emerging threats and operational requirements into reliable, maintainable solutions. Your responsibilities will include designing, implementing, testing, and operating security rules, detection logic, and supporting services across complex production environments. You will investigate detection gaps, analyse...

Threat Intelligence Software Engineer, Cloudforce One

Added 11/09/2026

We are seeking a Threat Intelligence Software Engineer to build and enhance systems that help security teams identify, understand, and respond to emerging cyber threats. In this role, you will design, develop, and maintain scalable software and data pipelines that collect, enrich, analyse, and distribute threat intelligence from a wide range of sources. You will work closely with threat researchers, security analysts, data engineers, and product teams to turn complex intelligence requirements into reliable, usable technology. Your responsibilities will include developing production-quality services and automation using languages such as Python, Go, or Rust; integrating external and internal data sources; improving...

Product Security Engineer

Added 21/09/2026

We are seeking a Product Security Engineer to help build secure, resilient products from design through deployment. In this role, you will partner with software engineers, architects, product managers and operations teams to identify and address security risks across the product lifecycle. You will contribute to security strategy, develop practical guidance and help embed secure-by-design principles into engineering processes without compromising usability or delivery. Your responsibilities will include conducting threat modelling, reviewing system architectures and code, supporting security requirements definition, and assessing vulnerabilities across applications, APIs, cloud environments and connected services. You will design and improve security controls, contribute to...

Senior Product Security Engineer

Added 21/09/2026

We are seeking a Senior Product Security Engineer to help embed security throughout the product development lifecycle. In this role, you will partner with software engineers, product managers, architects, and infrastructure teams to identify risks, define practical security controls, and deliver secure, resilient products. You will contribute to security strategy while remaining hands-on in assessing applications, services, APIs, cloud environments, and supporting technologies. Your responsibilities will include leading threat modelling and secure design reviews, conducting vulnerability assessments, and advising engineering teams on remediation. You will develop and maintain security guidance, patterns, and standards; improve application security testing across the development...

Vulnerability Management Engineer

Added 04/09/2026

We are seeking a Vulnerability Management Engineer to help identify, assess, prioritise, and reduce security weaknesses across a complex technology environment. In this role, you will support the full vulnerability management lifecycle, from discovery and validation through remediation, reporting, and risk acceptance. You will work closely with infrastructure, cloud, application, endpoint, and operations teams to ensure vulnerabilities are addressed in line with defined service levels and business priorities. Your responsibilities will include configuring and maintaining vulnerability scanning and assessment tools; developing authenticated and unauthenticated scan policies; analysing results to remove false positives and identify meaningful risk; and producing clear reports...

Senior Software Security Engineer (£98k-£115k + Equity) at Harmonic Security Inc.

Added 03/09/2026

We are looking for a Senior Software Security Engineer to help build secure, resilient products in a fast-moving technology environment. This is a hands-on role for an experienced engineer who can combine strong software development skills with a deep understanding of application and cloud security. You will work closely with engineering, product and infrastructure teams to embed security throughout the software development lifecycle, from design and implementation through to deployment and ongoing improvement. The position offers a salary of £98,000–£115,000 plus equity. Your responsibilities will include designing and implementing secure, scalable services; reviewing code and architecture for vulnerabilities; developing security...

Software Development Engineer - Security Automation, AWS Security Epoxy

Added 19/08/2026

We are seeking a talented Software Development Engineer specializing in Security Automation to join our dynamic team. In this role, you will be responsible for designing, developing, and implementing innovative security automation solutions that enhance the security posture of cloud environments. You will collaborate with cross-functional teams to identify security challenges and develop automated tools and processes to mitigate risks. Your expertise in software development and security best practices will play a crucial role in safeguarding critical assets and data. The ideal candidate will possess proficiency in programming languages such as Python, Java, or Go, with experience in cloud services,...

Java Software Engineer - Security & Intelligence

Added 21/09/2026

We are seeking a Java Software Engineer to contribute to the development of secure, resilient and high-performance software supporting security and intelligence capabilities. You will work as part of a multidisciplinary engineering team, designing, implementing, testing and maintaining Java-based applications that process complex data and support mission-critical decision-making. The role offers the opportunity to work across the full software development lifecycle, from requirements analysis and technical design through to deployment, monitoring and continuous improvement. Your responsibilities will include developing clean, maintainable and well-tested code; integrating applications with databases, APIs, messaging platforms and distributed systems; and investigating technical issues across development,...

Member of Technical Staff (Software Engineer, Security)

Added 21/09/2026

We are seeking a Member of Technical Staff (Software Engineer, Security) to help design, build, and maintain secure, reliable software systems. In this role, you will work across engineering teams to identify security risks, improve application and infrastructure security, and deliver practical solutions that protect products, services, and customer data. You will contribute throughout the software development lifecycle, from technical design and threat modelling through implementation, testing, deployment, and ongoing improvement. Your responsibilities will include developing security tools, services, libraries, and automation; reviewing code and architecture for vulnerabilities; investigating security issues; and partnering with engineers to remediate findings. You will...

Senior Software Engineer, Proactive Security

Added 21/09/2026

We are seeking a Senior Software Engineer, Proactive Security to help strengthen the security of complex, distributed systems before vulnerabilities become incidents. In this role, you will design and build scalable security solutions, develop tools that identify and reduce risk early in the software development lifecycle, and partner closely with engineering, infrastructure, and product teams. You will contribute to security architecture, threat modelling, vulnerability management, secure-by-design practices, and the automation of preventative and detective controls. Your responsibilities will include defining and implementing security engineering strategies, improving code and dependency scanning, developing security-focused services and integrations, and analysing emerging threats to...

Senior Engineer, Software Security

Added 17/09/2026

We are seeking a Senior Engineer, Software Security to help strengthen the security, resilience and trustworthiness of modern software systems. In this role, you will work closely with software engineering, infrastructure, product and compliance teams to embed security throughout the development lifecycle. You will provide technical leadership on secure design, threat modelling, vulnerability management and security automation, while helping teams deliver reliable products without compromising usability or performance. Your responsibilities will include reviewing architecture and source code, identifying security risks, and recommending practical remediation strategies. You will develop and maintain security standards, libraries, tooling and development patterns that support secure-by-default...

iOS Software Engineer (Security)

Added 11/09/2026

We are seeking an iOS Software Engineer (Security) to help design, build and protect high-quality mobile applications used by a broad range of customers. In this role, you will work at the intersection of software engineering and mobile security, contributing to secure product development from initial design through release and ongoing improvement. You will collaborate with iOS engineers, product managers, security specialists and platform teams to ensure that security is embedded throughout the development lifecycle. Your responsibilities will include developing and maintaining robust iOS applications using Swift and relevant Apple frameworks; reviewing code and technical designs for security and reliability;...

Security Automation Software Engineer

Added 09/09/2026

We are seeking a Security Automation Software Engineer to design, develop and maintain reliable automation solutions that strengthen security operations across a complex technology environment. You will work closely with security engineers, software developers, infrastructure teams and operational stakeholders to identify repetitive or high-risk processes and turn them into efficient, scalable and measurable workflows. The role will involve translating security requirements into robust software, integrating tools and services through APIs, and improving the speed and consistency of incident detection, investigation and response. Your responsibilities will include building and maintaining security automation pipelines, orchestration workflows and supporting services; developing integrations with...

Member of Technical Staff (Software Engineer, Security)

Added 09/09/2026

We are seeking a Member of Technical Staff (Software Engineer, Security) to help design, build, and protect secure, reliable software systems. In this role, you will work across engineering teams to identify security risks, develop practical safeguards, and improve the resilience of products and services throughout their lifecycle. You will contribute to security architecture, threat modelling, secure design reviews, vulnerability management, and the development of tools that enable engineers to deliver secure code efficiently. Your responsibilities will include building and maintaining security-focused software, services, automation, and developer tooling; reviewing code and system designs for security weaknesses; investigating vulnerabilities and supporting...