Job description

The Principal Software Engineer at Mozn is responsible for owning the health, architecture, and long-term technical direction of assigned software systems that power AI-driven products and solutions aligned with Saudi Vision 2030. Mozn is a rapidly scaling Artificial Intelligence and Data Science technology firm headquartered in Riyadh, serving government entities, enterprises, and startups across the GCC and globally. This role plays a critical leadership position in the design, development, testing, and maintenance of large-scale distributed and SaaS-based applications while ensuring adherence to industry best practices and the highest engineering standards. The role includes defining software architecture, ensuring software performance, implementing non-functional requirements such as maintainability, scalability, and fault tolerance, and designing secure systems that protect against common security vulnerabilities. The Principal Software Engineer actively mentors and coaches other engineers, establishes coding standards, leads code reviews, enforces unit and integration testing adoption, and drives a culture of technical excellence with zero technical debt. The role requires deep expertise in system design, distributed computing principles, SQL and NoSQL databases including HBase, Cassandra, and MongoDB, as well as strong understanding of Scrum agile methodologies and modern software development processes.