Remote Senior Backend Developer

Senior Backend Engineer | High-Growth Cybersecurity Scale-Up | Fully Remote (UK based) Are you ready to build the core systems that power one of the fastest-growing cybersecurity platforms on the planet? 🚀 This is your chance to join a research-driven, venture-backed security scale-up that’s trusted by some of the world’s biggest enterprises and critical infrastructure providers. Recognised by Gartner, armed with funding, and scaling aggressively worldwide, they’re on a mission to reshape how organisations stay ahead of real-world cyber threats. As a Senior Backend Engineer , you’ll play a key role in building scalable, high-performance backend systems that ingest, process, and serve data on millions of assets—helping global security teams uncover exposures before attackers do. What you’ll be doing: Designing and building backend services and data pipelines powering a cutting-edge cybersecurity platform Architecting scalable microservices and APIs to process massive volumes of security data Working closely with product and frontend teams to integrate backend services into the platform experience Continuously improving systems performance, deployment, and monitoring as the company scales globally What they’re looking for: 5+ years’ experience designing and maintaining mission-critical backend applications Strong Python engineering skills , with a track record of building performant, maintainable, and testable systems Solid background in microservices architecture Proficiency with Postgres