Mayank Khare

Architected backend infrastructure for an AI-powered ChatBot Builder supporting 5+ bot types (Inquiry, Feedback, Appointment, Agent Transfer, Voice/GPT Bots), designing modular Node.js services with Firebase and MongoDB for high concurrency. Engineered real-time backend for a LiveChat platform integrating Twilio APIs (voice & SMS), implementing WebSocket-based communication pipelines that reduced average agent response time by 30%. Designed and implemented a Retrieval-Augmented Generation (RAG) module using LLM pipelines (OpenAI/Gemini) for AI-assisted live support, improving resolution accuracy and reducing manual agent load. Scaled HelpDesk microservices (Ticketing, Knowledgebase, Community, User Management) on Node.js with AWS S3 and Google App Engine, ensuring 99.9% uptime across distributed services. Optimized backend API performance through query tuning, caching strategies, and cloud deployment improvements, reducing average API latency significantly across production services. Recognized as Employee of the Month (September 2025) for outstanding backend contributions to AI product development.

Contributed to Klyrepay fintech platform integrations built on PHP (Joomla), Node.js, MySQL, and Bootstrap, extending payment and card service capabilities for enterprise clients. Designed and implemented secure, scalable APIs for payment processing and card services, ensuring PCI-compliant data handling and robust error management. Managed end-to-end deployment pipelines on CPanel and streamlined version control workflows using Git, reducing deployment errors by 25%. Delivered feature enhancements and critical bug fixes, maintaining smooth production operations for live financial applications.

Led backend architecture and development for QuikBook, a multi-service ride-hailing platform supporting passenger rides, goods transport, and packers & movers with a multi-role user system. Managed and mentored a backend development team, distributed tasks, conducted code reviews, and ensured timely delivery of sprint milestones. Developed backend APIs for BooksBea, a subscription-based eBook and audiobook platform, designing rental workflows, subscription lifecycle management, and content delivery systems. Built and maintained backend APIs for an e-commerce inventory management system for a Dubai-based client using Core PHP, Kafka, and React Native, handling real-time inventory synchronization.

Developed a comprehensive Shopify integration platform enabling merchants to import products and orders from Amazon, eBay, and Etsy marketplaces using PHP (Phalcon), Node.js, React.js, MySQL, and MongoDB. Designed and implemented store migration APIs supporting migration from WooCommerce, BigCommerce, and Magento 1/2 to Shopify, achieving 99.9% migration reliability and backward compatibility. Built high-throughput backend APIs leveraging RabbitMQ and AWS SQS for asynchronous processing, optimizing database queries to efficiently handle millions of product imports at scale. Implemented robust API versioning and error handling mechanisms, ensuring backward compatibility across diverse e-commerce platforms. Promoted from Junior Software Developer to Software Developer within 6 months for exceptional performance and technical contributions.