The book "Software Engineering in Intelligent Systems" offers a comprehensive collection of research papers presented during the 4th Computer Science Online Conference. It highlights innovative approaches and methods for solving real-world problems in the field of software engineering. The focus is on modern trends and the exploration of novel concepts that find applications across various disciplines of computer science. The contributions cover a wide range of topics, including theoretical aspects and practical applications in the fields of artificial intelligence, cybernetics, automation technology, and software engineering. This collection serves as an international forum for the exchange of high-quality research results and promotes discussion on current developments in computer science.