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Senior Product Security Engineer London / WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin / Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices and secure development processes to engineering teams working in mixed cloud and operating systems environments. Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from home two days a week. About you: You have strong experience with secure coding practices and development experience with development languages such as Python, C++, Rust, Go and Kotlin / Java You have a strong knowledge of software development, system architecture and security tools You have experience of securing both Linux and Windows based systems You have experience with public cloud environments, theres a hybrid environment with AWS, Azure and Alibaba Cloud You have experience of integrating security scanning tools into CI/CD pipelines and runtime environments You have experience within a trading / financial services environment You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Product Security Engineer you will earn a competitive package: Salary to £160k Significant Bonus Pension Private Healthcare 25 days holiday Opportunity to work on Greenfield systems at the cutting Continual learning and development opportunities Apply now to find out more about this Senior Product Security Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.