Sandip Das

Dynamic MERN stack developer with hands-on entrepreneurial experience as the founder of Gokul's Fresh Mart. Skilled in building web applications and REST APIs while managing real-world business operations including inventory, supplier management, and financial planning. Combines technical problem-solving with practical business insight to build efficient, technology-driven solutions.

• Implemented SEO-optimized applications, boosting organic traffic.
• Developed automated customer communication tools, improving retention by 65%.
• Achieved a 30% boost in client acquisition through targeted digital strategies.

• Frontend: JS, HTML/CSS, React.js, Next.js, TypeScript, Tailwind CSS, Redux, ShadCn
• Backend: Node.js, Express.js, GraphQL, WebSockets, Stripe
• System Design: LucidChart, Sharding, MicroServices, Load Balancers, CDN, Caching, Logging, Monitoring, NGINX
• Databases: MongoDB, SupaBase, PostgreSQL
• Cloud & Deployment: AWS, Google Cloud, Hostinger VPS, Docker, CI/CD
• API Development: RESTful APIs, WhatsApp API, Google Maps API, META APIs, Nodemailer
• Miscellaneous: Authentication (JWT, OAuth), Role-Based Access Control (RBAC), Serverless Architecture, MediaQueries, Zustand, Postman, Dotenv, Git, Linux

MERN Stack Pharmacy Store Website Pharmaceutical Management System

https://github.com/JarvisStark24/peregrine-pharma | https://populardrughouse.com/
Popular Drug House
Duration: August 2024 - October 2024

• Designed, developed, and deployed a robust pharmacy store website using the MERN stack enabling seamless online operations.
• Implemented CRUD operations for managing doctor updates, user management, admin controls, and secure authentication, enhancing administrative efficiency by 40%.
• Integrated WhatsApp API via Botsailor for automated bulk messaging, boosting customer engagement by 65%, leading to a 30% increase in repeat purchases and improved retention.
• Deployed on a Hostinger VPS, ensuring 99.9% uptime, high scalability, and performance, leading to a 50% reduction in website downtime compared to previous solutions.
• Achieved a 70% increase in online user interactions post-launch due to an optimized user experience and effective communication tools.
• Helped Popular Drug House increase online sales by 45% within the first three months through improved accessibility and automated customer communication.

Key Skills: Full-Stack Development, API Integration, Scalable Backend Architecture, VPS Deployment, Customer Engagement Solutions.

Peregrine Pharmaceuticals – Task Management System

https://github.com/JarvisStark24/Task-Manager | https://peregrinefalcon.in/
Peregrine Pharmaceuticals Pvt. Ltd.
Duration: October 2024 - December 2024

• Developed a full-fledged pharmaceutical management system, optimizing business operations and increasing productivity by 50%.
• Frontend Website: Designed a user-friendly, responsive website using React.js & Tailwind CSS.
• Admin Dashboard: Built a scalable dashboard using Next.js, TypeScript, and ShadCN, enhancing managerial efficiency and reducing manual workload by 60%.
• Authentication & Role Management: Implemented Admin, Manager, and MR roles with role-based access control (RBAC), improving security and workflow efficiency.
• Live Location Tracking: Integrated Google Maps API & WebSockets for real-time MR tracking, reducing field operation inefficiencies by 40%.
• Daily Activity Logs & Reports: Enabled real-time tracking of visits and tasks, improving field data accuracy by 80%.
• Attendance System: Developed a check-in/out system for field staff, automating attendance tracking and reducing manual errors by 90%.
• Push Notifications: Implemented alerts for task updates and new assignments, increasing response efficiency by 55%.
• Deployment on Hostinger VPS, ensuring high scalability and security, with an 80% faster page load time compared to previous systems.

This system significantly enhanced operational efficiency, reduced manual work, and helped Peregrine Pharmaceuticals increase sales by 50% and optimize workforce management.

Key Skills: Next.js, TypeScript, React.js, MERN Stack, Tailwind CSS, Google Maps API, WebSocket, Role-Based Access Control (RBAC), Real-Time Location Tracking, Push Notifications, Reporting & Analytics, VPS Deployment.