Aryan TiwariPRO

Developed scalable backend services and REST APIs using Node.js, Express.js, and PostgreSQL to support AI voice calling workflows, appointment scheduling, and conversation management. Architected and owned the integration of OpenAI APIs, JWT authentication, and webhook-based workflows, facilitating cross- functional collaboration with product and telephony teams to automate lead management, appointment booking, and conversation logging. Optimized PostgreSQL database performance by designing normalized relational schemas, implementing strategic indexing, and improving SQL query efficiency for AI voice calling and appointment scheduling workflows. Debugged, maintained, and deployed backend services using Git and GitHub workflows. Spearheaded the system design of modular, event-driven backend services that integrated AI voice agents with external telephony systems, ensuring high availability and fault-tolerant communication pipelines.