Senior Product Security Engineer

Role: Product Security Engineer

Location: London (Hybrid – 3 Days in Office)

Contract Length: 6 Months (possibility for extensions)

Are you a seasoned Product/Application Security Engineer with a passion for protecting cutting-edge systems in fast-paced, high-stakes environments? Our highly reputable client operating in the fintech space is seeking a Product Security Engineer to help shape and fortify the future of secure trading infrastructure.

Responsibilities:

• Drive the implementation of security controls across core trading platforms, cloud services (AWS, Azure, Alibaba Cloud), and business applications on both Windows and Linux.
• Collaborate with world-class engineering teams to embed security directly into product design, development, and deployment.
• Lead secure SDLC efforts, ensuring best practices in languages like Python, C++, Rust, Go, Kotlin/Java.
• Conduct hands-on threat modelling, security assessments, code reviews, and risk mitigation for large-scale distributed systems.
• Integrate security scanning tools (SAST, DAST) into CI/CD pipelines to maintain continuous monitoring and threat detection.
• Mentor engineers on security principles and maintain QRT’s high standards through third-party/vendor security review

Requirements:

• 5+ years in product/software/application security with a proven track record of securing complex, scalable systems
• Experience working in smaller companies or start-ups, with a broad range of responsibilities
• Experienced with SAST and DAST, integrating into CI/CD pipelines
• Programming Languages: skills in either Python, C++, Rust, Go, Kotlin/Java
• Experience with cloud platforms (either AWS, Azure or Alibaba Cloud)
• Experience with low-latency is beneficial
• Skilled in risk assessments, threat modelling, secure architecture design, and proactive security strategy development.
• A communicator and problem-solver with leadership qualities to thrive in a dynamic, collaborative environment.
• Desired: experience in Crypto/fintech space