Reactjs and nodejs dev needed for bug fixes and new features

I have a SPA website made in react and node and mongoDb. The website is almost complete but there are some bugs, some layout fixes, some string changes, and some new features.

I also need the website optimised for SEO according to https://pagespeed.web.dev/ Pagespeed Insights tool - all 4 green on both mobile and desktop.

Full list of tasks is available in this doc: https://docs.google.com/document/d/1ejKC0DN_j115kG10vDC_4RSSmGY6SGQUb2e-cMbMP4A/

Please read this doc before bidding. Thank you

Tech used:
ReactJS
NodeJS
MongoDB
AWS Lightsail
Sengrid