Application Security Consulting Needed

I’m looking to bring an experienced cyber-security professional on board to review and strengthen the security posture of a web-based application that is already in production. My main need is expert-level... (Budget: ₹600 - ₹1500 INR, Jobs: Agile Development, Computer Security, Penetration Testing, Security, Security Auditing, Software Testing, Testing / QA, Web Security)