Subscription & Membership E-commerce Site Development

I'm looking for a web developer to create a site for selling various subscriptions, memberships, and passes of multiple companies of different consumer interests similar to [login to view URL] Key Features: - The site will offer subscriptions across a range of companies and interests. - User authentication will primarily be through Single Sign-On (SSO). - Additionally, I want to incorporate Mobile Number verification with OTP for secure access. Ideal Skills: - Expertise in e-commerce site development - Proficient in implementing SSO and OTP systems