This three-volume set CCIS 2873-2875 constitutes the revised selected papers of the 7th International Conference on Soft Computing and its Engineering Applications, icSoftComp 2025, held in Hanoi, Vietnam, during December 9&11, 2025. The 105 full papers and 7 Short papers included in these volumes were carefully reviewed and selected from 710 submissions. They were organized in topical sections as follows: Part I: Theory and Methods.Part II: Theory and Methods; Systems and Applications.Part III: Systems and Applications; Hybrid Techniques; Soft Computing for Smart World.