Job Description
Role: Senior Crypto Security Engineer
Location: London (Hybrid – 3 Days in Office)
Contract Length: 6 Months (possibility for extensions)
Are you a seasoned Product/Application Security Engineer experienced in crypto/digital assets at investment banks, 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 Senior Crypto Security Engineer to help shape and fortify the future of secure trading infrastructure.
Responsibilities:
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Drive the implementation of security controls across core trading platforms, cloud services (AWS, Azure, Alibaba Cloud), and business applications on both Windows and Linux.
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Collaborate with world-class engineering teams to embed security directly into product design, development, and deployment.
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Lead secure SDLC efforts, ensuring best practices in languages like Python, C++, Rust, Go, Kotlin/Java.
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Conduct hands-on threat modelling, security assessments, code reviews, and risk mitigation for large-scale distributed systems.
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Integrate security scanning tools (SAST, DAST) into CI/CD pipelines to maintain continuous monitoring and threat detection.
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Mentor engineers on security principles and maintain QRT’s high standards through third-party/vendor security review
Requirements:
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5+ years in product/software/application security with a proven track record of securing complex, scalable systems
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Experience working at crypto companies or investment banks with digital assets
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Experienced with SAST and DAST, integrating into CI/CD pipelines
- Programming Languages: skills in either Python, C++, Rust, Go, Kotlin/Java
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Experience with cloud platforms (either AWS, Azure or Alibaba Cloud)
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Experience with low-latency is beneficial
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Skilled in risk assessments, threat modelling, secure architecture design, and proactive security strategy development.
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A communicator and problem-solver with leadership qualities to thrive in a dynamic, collaborative environment.
- Desired: experience in Crypto/fintech space