As software-driven systems increasingly form the backbone of modern organizations, the challenge of managing software development at scale has evolved from a purely technical concern into a critical organizational and managerial issue. While small engineering teams often rely on informal coordination and individual expertise, these approaches become insufficient as software organizations grow in size, complexity, and interdependence. This article examines software development as an organizational system and explores how management structures, leadership models, and coordination mechanisms shape performance in large-scale engineering environments. Drawing on organizational theory and software development practices, the study analyzes the structural challenges that emerge as engineering teams scale, including communication overhead, decision-making latency, and misalignment between technical execution and organizational goals. The article proposes a conceptual framework for understanding scalable software development through the lens of organizational design, emphasizing the transition from individual-centric productivity to system-oriented team performance. Key organizational models—such as functional, product-oriented, and platform-based structures—are examined in terms of their suitability for high-performance software development. Particular attention is given to leadership roles, governance mechanisms, and decision-making architectures that enable technical autonomy while maintaining managerial oversight. Rather than prescribing a single optimal structure, the article highlights the contextual nature of organizational design in software development and the importance of adaptive management approaches. By framing software development as a managerial discipline as well as a technical one, this article contributes to the academic literature on engineering management and provides practical insights for software development professionals responsible for scaling teams and systems. The findings underscore the growing importance of organizational competence as a determinant of sustained performance in software-intensive organizations.