Senior Full-Stack Engineer - Remote

COGNNA is an AI-driven cybersecurity company on a mission to outsmart today’s most sophisticated threats. Our platform combines intelligent threat detection, SOC automation, and compliance-ready defense to help organizations secure their future. Based in Riyadh and expanding globally, we’re building solutions and a team that makes a difference. As a Senior Full Stack Engineer, you’ll work across our core product stack using Python Django on the backend and ReactJS on the frontend. You’ll be turning complex cybersecurity concepts into seamless, reliable, and scalable product experiences. From building robust APIs to delivering clean and responsive interfaces, you’ll be involved in the full lifecycle of how our platform comes to life. This role is great for someone who enjoys owning features end-to-end and has hands-on experience with both backend systems and modern frontend frameworks. 🔧 What You’ll Do• Build and maintain backend services and APIs using Python and Django. • Develop rich, responsive interfaces using ReactJS and modern frontend tooling. • Work closely with product, design, and data teams to deliver end-to-end features. • Optimize both backend and frontend performance to ensure fast and reliable experiences. • Participate in technical discussions, code reviews, and architectural decisions across the stack. • Mentor team members and help level up engineering practices across frontend and backend. • Build reusable internal libraries, components, and utilities that improve developer productivity. • Collaborate with DevOps and QA to ensure smooth CI/CD and high product quality.