Sharawan Rawat

Leading backend and UI teams for a cloud-based Hotel Property Management System (PMS). Handled production issues, optimized performance, managed scaling challenges, and worked closely with infra teams. Optimized report module handling 5M+ records, reducing memory usage by 40% and improving load time by 60%. Optimized Online Distribution System including GDS, Channel managers, OTAs, and Web booking engine. Designed fault-tolerant systems, handled production incidents and RCA, used Rediscache and ELK for debugging. Enhanced POS point module with real-time updates using WebSockets, Node.js, and MongoDB. Created REST APIs, implemented JWT token API auth, and managed role-based authorization. Enhanced payment module, designed fault-tolerant payment processing with retry mechanisms, and improved transaction success rate by 25%. Enhanced front-desk module and dashboard chart for better user experience. Implemented E-invoicing for multiple regions, created webhook endpoints, and implemented re-try mechanisms for invoice syncing.

Architected and implemented custom e-commerce and CRM applications in Core PHP & MySQL for US-based clients, integrating payment gateways, inventory management, and third-party APIs. Fixed production issues and applied permanent solutions. Built a tool for SAP service to validate data by Soldto and shipto code. Established cron jobs to sync data from SAP to application DB. Integrated SAP APIs for product pricing, order creation, and tracking. Built tools for payroll processing and invoice management. Led SAP user validation using SOAP APIs and UPS shipping integrations. Created a Laravel project to manage unified solutions for 60+ stores and displayed sales, inventory, and invoice reports. Created data syncing mechanism from MySQL to BigQuery for reporting. Implemented WCAG 2.1 AA standards across UI flows.

Developed 50+ custom web applications for Australian clients in e-commerce, health, and education domains. Implemented custom WordPress themes, plugin development, and e-commerce stores. Customized existing themes and plugins, created child themes and plugins. Created e-commerce projects from scratch in Magento2. Created REST APIs in Laravel for Ionic Android applications. Integrated multiple payment gateways and third-party APIs. Optimized page load performance and implemented application security practices. Used caching, optimized MySQL queries, and background jobs for notifications. Implemented security measures including CSRF tokens, sanitization, prepared statements, JWT, OAuth, and role-based authorization.

Delivered 20+ end-to-end e-commerce solutions using WordPress and Core PHP. Customized themes and plugins, integrated payment gateways, and built inventory modules. Created custom forms and pushed data in CRM. Created matrimony website in core PHP. Delivered membership, subscription, and role-based authorization in WordPress. Optimized website loading and applied security measures including backups, captcha, and regular updates.