Working with React Js & Sanity cms project, need to fix the bug with updating/patching multiple objects

I am looking for a React Js and Sanity CMS developer to fix a bug with updating/patching multiple objects in app.

Skills and Experience Required:
- Strong proficiency in React Js and familiarity with Sanity CMS
- Experience in debugging and fixing bugs related to updating/patching multiple objects
- Knowledge of React js, working with mutations within the sanity platform.

Timeline:
- No rush but preferable until the end of this month.

PM for more details