Rentium

Digital Identity & Virtual Infrastructure Platform

Built and scaled a subscription-based virtual identity and infrastructure platform supporting 457+ paying customers with sub-second authentication, verification, and subscription management.

(Client)

Rentium Infrastructure

(Role)

Founder & Lead Full Stack Engineer

(Services Provided)

Identity InfrastructureSupabase & Node.jsPayment Billing EngineSMS API IntegrationRate Limiting & Security

(Live Product)

Visit Site

457+

Paying Customers

< 1.2s

Verification Speed

99.9%

Uptime

Global

Markets Served

01 / Problem

The Challenge

Managing scalable virtual identity verifications and SMS dispatching with sub-second delivery rates while maintaining strict fraud prevention and handling rapid subscription growth.

02 / Execution

The Solution

Architected a high-concurrency Node.js and Next.js engine with Redis payload caching, automated multi-tier subscription billing, robust JWT authentication, and resilient webhook integration with SMS API partners.

03 / Impact

Key Outcomes

Successfully scaled platform to 457+ active paying subscribers within months of launch.

Achieved sub-second OTP and verification code delivery through optimized queue workers.

Zero security breaches across all authentication and payment transaction workflows.

Interface Highlights

CODEWITHEMMY

Rentium

The Challenge

The Solution

Key Outcomes

Interface Highlights