zahir zohair

• Built a healthcare patient management platform supporting 30k plus patients per month enabling onboarding, scheduling, and treatment workflows for medical staff. • Reduced manual onboarding/checkup steps by 60 percent through process re-engineering. • Designed and maintained secure REST APIs handling 3,000 requests daily, ensuring data integrity and reliable handling of sensitive healthcare data. • Automated contract export via SFTP, eliminating manual processing and reducing errors to near zero.

• Developed a premium subscriptions service on a platform with 3M+ registered users and 60K active users, ensuring scalable billing workflows and supporting core revenue generation. • Built a gamification system (rewards & engagement logic) that increased user engagement by 20 percent • Integrated Billwerk payment gateway, handling subscription lifecycle, billing logic, and error handling. • Contributed to event-driven architecture using Kafka, improving system scalability and decoupling core services.

• Automated the end-to-end lifecycle of domain and hosting provisioning, significantly reducing manual setup time from hours to ~1 minute by a few clicks. • Developed backend services for DNS management, SSL provisioning, and server configuration supporint 1,000+ domains. • Integrated multiple payment gateways, handling transaction flows, callbacks, and error scenarios. • Designed reusable backend components to support scalable service operations