Hi,
I have read the requirement and understood, we can discuss more for detailed requirements.
My Profile:
1. I have 12+ years of experience with with different SP versions -SP Online/2019/2016/2013/2010
2. I have 3+ years of experience with power platform Power automate, PowerApps.
3. Worked with Nintex Forms and flows
4. Experience with SPFx, ReactJS, JavaScript, jQuery, Typescript, REST Apis, Webhooks etc.
Looking forward for your response.
Regards,
Shekhar