React/Front-end & Laravel/Back-end Website

We are seeking a skilled web developer with expertise in React for front-end development and Laravel for back-end development. Our site has developed 7 years ago and so we are going to upgrade our site. Our site has developed with React for front-end and Laravel for back-end. We need Next.js for front-end and Laravel for back-end. You also have to upgrade the version of Laravel into latest. I recognize I don't know about the budget for this work. When you give me proposal, add the price you want. Let me think your budget.