Senior Security Software Developer (R&D)

Added 22/09/2026

We are seeking a Senior Security Software Developer (R&D) to design, develop, and enhance innovative security solutions in a research-driven environment. You will contribute to the full software development lifecycle, from technical discovery and architecture through implementation, testing, deployment, and ongoing improvement. The role involves solving complex security challenges, evaluating emerging technologies, and translating research concepts into reliable, scalable, and maintainable products. Your responsibilities will include developing secure, high-quality software; designing and reviewing system architectures; investigating vulnerabilities and emerging attack techniques; and creating prototypes, proof-of-concepts, and production-ready capabilities. You will collaborate closely with security researchers, software engineers, product specialists, and...

Linux Systems Software Developer– Security Solutions

Added 01/09/2026

We are seeking a Linux Systems Software Developer – Security Solutions to design, develop and maintain software that strengthens the security, reliability and performance of Linux-based systems. In this role, you will contribute to the full software development lifecycle, from technical design and implementation through to testing, documentation, deployment and ongoing support. You will work on low-level system components, security services, monitoring tools and automation used to protect critical infrastructure and applications. Your responsibilities will include developing robust, maintainable code in C and/or C++, creating scripts and tools using Python or shell, and integrating security capabilities across Linux environments. You...

Linux Systems Software Developer– Security Solutions

Added 30/07/2026

We are seeking a skilled Linux Systems Software Developer with a strong focus on security solutions to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining secure software systems and applications on Linux platforms. Your expertise will contribute to enhancing the security posture of our products, ensuring they meet industry standards and client requirements. You will work closely with cross-functional teams to identify security vulnerabilities, implement fixes, and develop new features that prioritize security without compromising performance. The ideal candidate will have a deep understanding of Linux operating systems, as well as experience...

AI Security Research Engineer

Added 07/08/2026

As an AI Security Research Engineer, you will play a pivotal role in shaping the security landscape of AI-driven systems. You will conduct rigorous research and engineering to identify, analyze, and mitigate security risks in machine learning models and AI infrastructures. Your responsibilities will include developing novel threat detection techniques, performing adversarial testing on AI models, and collaborating with cross-functional teams to implement robust security measures throughout the entire AI lifecycle. You will also have the opportunity to present your findings in both internal and external forums and contribute to the advancement of secure AI practices in the industry. The...

Threat Research Engineer

Added 08/09/2026

We are seeking a Threat Research Engineer to investigate emerging cyber threats, develop actionable intelligence, and strengthen defensive capabilities across a complex technology environment. You will analyse malware, attacker behaviour, vulnerabilities, and intrusion techniques to identify risks and provide clear recommendations to security engineering and incident response teams. The role combines hands-on technical research with strong written communication, requiring you to turn complex findings into practical guidance for a range of technical and non-technical audiences. Your responsibilities will include tracking threat actors, campaigns, and relevant developments across open-source and proprietary intelligence; collecting, validating, and correlating data from logs, malware samples,...

Principal Software Engineer (DevSecOps)

Added 14/09/2026

We are seeking a Principal Software Engineer (DevSecOps) to provide technical leadership across the design, development, deployment, and operation of secure, scalable software platforms. You will help shape engineering strategy, establish modern DevSecOps practices, and guide teams in delivering reliable products at pace. The role requires a hands-on leader who can work across architecture, software engineering, cloud infrastructure, automation, and cybersecurity while influencing technical decisions across the wider organisation. Your responsibilities will include defining and evolving CI/CD strategies, embedding security controls throughout the software development lifecycle, and developing automated pipelines for build, test, release, compliance, and infrastructure provisioning. You will...

Principal Software Engineer (DevSecOps)

Added 14/09/2026

We are seeking a Principal Software Engineer (DevSecOps) to provide technical leadership across software engineering, cloud infrastructure, security, and delivery automation. You will shape engineering standards and platforms that enable teams to build, test, release, and operate secure, reliable, and scalable services. Working across architecture and delivery teams, you will influence technical strategy, promote engineering excellence, and help embed security throughout the software development lifecycle. Your responsibilities will include defining DevSecOps practices, reference architectures, and reusable tooling; designing and improving CI/CD pipelines; and integrating automated security, compliance, quality, and performance checks into delivery workflows. You will guide the adoption of...

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...