Independent AWS, MERN Web Application and API Cybersecurity Penetration Test

I’m preparing Land Connect Hub—a MERN-based application running on AWS—for production and need a thorough security health-check before launch. The system stores highly sensitive data: user profiles, identity-verification... (Budget: $1500 - $3000 AUD, Jobs: Amazon Web Services, Azure, Cloud Computing, Linux, MERN, MERN Stack, MongoDB, Network Security, Node.js, Penetration Testing)