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Senior Back-End Engineer (Python) - Remote at COGNNA. About COGNNA. At COGNNA, we’re redefining cybersecurity through smart, AI-driven solutions that protect organizations against today’s most advanced threats. From automated threat detection to compliance-focused defense, our platform is built for companies that demand performance, intelligence, and trust. We’re headquartered in Riyadh with a growing global footprint—and we’re building a team ready to shape the future of cyber defense.. The Role. We’re looking for a . Senior Backend Developer. to architect and build high-performance backend systems that power our threat detection and response technologies. You’ll join a passionate engineering team working on complex services, robust APIs, and scalable infrastructure that supports our mission to make cybersecurity faster, smarter, and more reliable.. Key Responsibilities. 1. System Design & Development. . Build and maintain scalable, high-performance backend systems using modern development stacks. . . Design APIs that are clean, efficient, and secure for use across our products and integrations. . . Ensure backend components are modular, well-tested, and aligned with engineering best practices. . . 2. Collaboration & Delivery. . Work closely with frontend developers, designers, and product managers to deliver seamless, user-centered solutions. . . Participate in architecture decisions and infrastructure planning for existing and new systems. . . Lead development efforts from planning to deployment, ensuring timely and high-quality releases. . . 3. Optimization & Security. . Optimize backend performance and resolve production issues in real-time. . . Implement secure data handling and maintain best practices for authentication, authorization, and encryption. . . Contribute to internal security reviews and continuous hardening of our systems. . . 4. Mentorship & Innovation. Guide and mentor junior engineers, sharing knowledge and encouraging best practices. . Keep pace with emerging technologies, tools, and techniques to drive innovation in our engineering workflows.. What We’re Looking For in You. . A team player who thrives in collaborative environments.. . A critical thinker who approaches challenges with creativity and analytical precision.. . Someone who stays curious and embraces continuous learning in a rapidly evolving tech space.. . . Why Join Us?. At our company, you’ll find an environment where your expertise and ideas are valued. Join a team that encourages innovation, fosters growth, and delivers meaningful solutions.. . 5+ years of experience with Python and Django, building production-grade applications. . . 2+ years of experience with Golang, ideally in performance-critical or distributed systems. . . Working knowledge of frontend technologies (React JS) to support rapid POC development. . . Strong understanding of system design, distributed systems, and API-driven architectures. . . Experience with relational and non-relational databases (e.g., PostgreSQL, Redis). . . Familiarity with cloud environments (AWS, GCP, or Azure) and containerization (Docker, Kubernetes). . . Solid grounding in secure development practices.. . Company Location: Saudi Arabia.