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.

Requirements:
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• 7+ years of professional full-stack engineering experience building enterprise production-grade web applications.
• Expert-level proficiency in Python and Django, including REST API design, ORM best practices, authentication/authorization, and scalable backend architectures.
• Solid experience designing and building RESTful APIs and integrating frontend and backend services end-to-end.
• Proficient with relational databases (PostgreSQL, MySQL, etc.), schema design, database performance optimization, and writing efficient queries.
• Hands-on experience with full-stack testing (backend unit/integration tests, frontend tests), CI/CD pipelines, version control (Github), and deployment workflows.
• Demonstrated track record of system design and architecture decisions, ownership of complex features, and ability to deliver large or long-running projects end-to-end.
• Ability to mentor and guide other engineers, participate in code reviews, maintain code quality, and best practices.
• Strong analytical, communication, and collaboration skills, with the ability to work well in cross-functional teams.

Mindset & Communication

• A proactive team player who thrives when collaborating with cross-functional teams.
• A critical thinker who brings clarity, structure, and creativity when solving technical challenges.
• Someone who communicates clearly and can advocate for engineering quality across the product.

Benefits:
💰 Competitive Package: Salary + equity options + saving plan

🧠 Work with Experts: Collaborate with AI, security, and product leaders shaping the future of cybersecurity

🚀 High Impact Role: Your code defines how users experience cutting-edge security technology

🌍 Global Exposure: Be part of a team driving cybersecurity innovation across international markets

🧘 Flexible Culture: Remote-friendly, outcome-driven, and built on trust

📈 Growth Opportunity: Access to continuous learning, certifications, and career acceleration in a fast-growing startup