Senior Software Engineer - AI Threat Defence

We're not expecting you to tick every box, if you're excited about the role and feel you could grow into it, we'd love to hear from you.

• Strong skills in modern software development (e.g. Python, Go, Java, or TypeScript)
• Experience building secure, scalable systems, preferably in real-time or event-driven environments
• Curiosity about AI/ML, agent systems, or intelligent automation
• A passion for building safe, observable, and responsible technology
• Ability to collaborate across disciplines, learn quickly, and lead by example

So are we. Join Compare the Market and help to make financial decision making a breeze for millions. At Compare the Market, we're a purpose-driven business powered by tech and AI. We're building high-performing, results-driven teams with the skills, mindset, and ambition to deliver outcomes at pace. Every role here plays a part in driving our mission forward, and we create an environment where you can bring your authentic self, grow a truly characterful career, and see the direct impact of your work on the lives of our customers. We've carved a meerkat-shaped niche and we're looking for ambitious, curious thinkers who thrive in a fast-moving, high-impact environment. If you love accountability, embrace challenge, and want to make a real difference, you'll fit right in. Help Build the AI Defence Systems of Tomorrow At Compare the Market, we're building a cyber immune system, a self-adaptive layer of defence that uses AI to detect, assess, and respond to threats faster than ever before. To make this real, we've launched Project Wingspan: a bold reinvention of how we respond to operational and cyber risk using safe, collaborative AI agents. We're looking for a Software Engineer to help shape this future. You'll work at the intersection of engineering, security, and AI to build systems that support real-time, human-AI collaboration at scale. This is a greenfield mission with impact, you'll be designing the platforms, tools, and patterns that will underpin intelligent defence across CTM. Some Of The Great Things You'll Do * Build systems that are discoverable, composable, and controllable by AI agents * Engineer scalable services that process and prioritise millions of operational and security signals * Develop agent frameworks that allow safe, observable interaction between humans and AI * Modernise legacy platforms to be compatible with autonomous detection and response * Be a part of AI capabilities, Security Engineering, and Data teams to ensure alignment with CTM's broader AI strategy, You'll be part of a forward-looking team that's shaping the future of defence technology, building AI that defends, not deceives. Why Compare the Market? We're a business built for pace and performance. Here, you'll be encouraged to think differently, act boldly, and deliver brilliantly in a culture that values results and rewards progress. We believe diverse teams make better decisions, and we're committed to creating an inclusive workplace where everyone feels empowered to grow, contribute, and thrive. If you're ready to stretch yourself, raise the bar, and grow with a team that's serious about performance, innovation, and purpose, we'd love to hear from you.