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 c...