There are a few things to understand: (1) Code optimization: if you have hired freelance developer or individual engineer to do a code for you and if you find that code is managed and written poorly then in that we can help you restrture and apply all thing to make it correct as per industry standard so that you can compete with other alternative bussinesses efficiently. (2) Code modernization: We help you upgrade or migrate your existing application like enterprice legacy apps that performs slow or inefficient due to usage of older technologies. While migrating we convert complete application to a new architecture using new tools, technologies and programming langauges that are popular in the recent market trends. We will make sure while this conversation is happening your application will still be available to your customer and there will not be any downtime. (3) Code migration: this is more like to code modernization but in these we rewrite completely to take full control of existing functionality in efficient way that can help us make product future proof.