Overview
Platform Security Engineer – Contract Role
Location: London
Hybrid Working: 3 days per week in the office
Start Date: ASAP
We are hiring a Platform Security Engineer to join a cutting-edge financial technology firm. This is a fantastic opportunity to work on securing high-performance trading infrastructure, cloud platforms, and business-critical applications in a fast-paced, high-stakes environment.
Key Responsibilities
- Implement and maintain security controls across Windows, Linux, and hybrid cloud environments (AWS, Azure, Alibaba Cloud).
- Collaborate with engineering teams to embed security into product design and development.
- Drive secure software development practices across Python, C++, Rust, Go, and Kotlin/Java.
- Conduct threat modelling, vulnerability assessments, and security code reviews.
- Mentor developers and engineers on secure coding and architecture.
- Integrate security scanning tools (SAST, DAST) into CI/CD pipelines.
- Perform vendor security reviews and third-party risk assessments.
- Proactively identify and mitigate security risks in a high-stakes trading environment.
- Experience with Crypto, DeFi, or Smart Contracts is a strong advantage.
Candidate Requirements
- 7+ years of experience in product or platform security roles.
- Strong background in secure coding and software development.
- Deep understanding of security principles across cloud platforms and operating systems.
- Experience with threat modelling, risk mitigation, and CI/CD security integration.
- Excellent communication, leadership, and problem-solving skills.
- Exposure to low-latency financial systems is a plus.
Seniority level
Employment type
Job function
- Engineering and Quality Assurance
Industries
- Financial Services, IT System Data Services, and Security and Investigations
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