Identify the problem
Define the software goals
Gather requirements
Choose the platform and technology stack
Plan the architecture
Design the user interface
Create a project roadmap
Set up the development environment
Build the core features
Write clean, maintainable code
Test each feature
Fix bugs
Review and refactor the code
Add security measures
Optimize performance
Prepare documentation
Deploy the software
Monitor usage and errors
Collect user feedback
Release updates and improvements