Hello. Thanks for your posting. I have a professional PHP, Node, React, DevOps, AWS, Bitbucket core developer and have experience in leading a small team(3 members) before. I have power and ability to work as a CTO for your Fintech.
I would be happy to discuss further about your business and can get started for this project asap.
I love to do research new technologies and lead team members
Look forward to you
Best Regards, Emilien