Freelancers using MongoDB in West BengalFreelancers using MongoDB in West Bengal
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Subham paul's avatar
Subham paul
Kolkata, India
AI Engineer
AI Engineer
Cover image for AI chatbot built for a
AI chatbot built for a roofing business to handle site visitors 24/7. Homeowner engages instantly, books an inspection straight into Calendly without leaving the chat, and gets an automatic email confirmation with the calendar link while the lead's details route to the owner in real time. No missed forms, no delayed callbacks, no lost leads to competitors who answer faster.
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Cover image for Customer opens the chatbot on
Customer opens the chatbot on a solar website. 🌞 Books an appointment. Types in their details. Here's what fires automatically in seconds: ✅ Details captured & saved 📩 SMS → customer 💬 WhatsApp → customer 📧 Email → customer 💬 WhatsApp → owner 📧 Email → owner (full lead details) 📊 Google Sheet updated 🗂️ CRM updated No form. No hold music. No "someone will call you back." Just a chatbot handling the entire booking-to-notification chain while the owner does everything else. This is what lead capture should look like in 2026. Built this exact flow for a solar client. If your team's still manually logging appointments and chasing follow-ups DM me or comment "SOLAR."
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Cover image for Solar Lead Automation System –
Solar Lead Automation System – AI Chatbot, WhatsApp Alerts & CRM Solar AI Lead Automation System This project is a modern AI-powered lead generation and automation platform built specifically for solar energy companies. The system helps solar businesses capture potential customer inquiries, respond instantly, and manage leads efficiently through an automated workflow. This platform helps solar companies respond faster to leads, improve conversion rates, and automate customer communication.
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Cover image for KTech is a modern online tech education platform built to he...
KTech is a modern online tech education platform built to help students and professionals gain real-world, job-ready skills. It offers industry-aligned courses in Full Stack Development, AI & Machine Learning, Data Analytics, Cloud, DevOps, Cybersecurity, and emerging technologies. Designed with a powerful MERN-stack backend, KTech focuses on hands-on learning, live & recorded sessions, secure payments, and scalable course management—bridging the gap between theory and practical industry experience.
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MongoDB(6)
Ariz Arshal's avatar
Ariz Arshal
Kolkata, India
Fullstack Developer: NodeJs, React
Fullstack Developer: NodeJs, React
Cover image for Marketplace web development - YES NFT
Marketplace web development - YES NFT
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Cover image for Wordpress Website
Wordpress Website
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Cover image for Blog and news media website - CryptoBoyTech
Blog and news media website - CryptoBoyTech
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MongoDB(1)
Ashraf Jamil's avatar
Ashraf Jamil
Asansol, India
Senior Full-Stack, AI & Mobile App Developer | 10+ Yrs
New to Contra
Senior Full-Stack, AI & Mobile App Developer | 10+ Yrs
Cover image for Deal On Property –
Deal On Property – Real Estate Marketplace Platform Developed a modern real estate marketplace platform that helps users buy, sell, rent, and lease properties. The platform features advanced property search, filters, property listings, user authentication, admin dashboard, and responsive UI/UX. 🔹 Key Features: • Property Buy, Sell, Rent & Lease Listings • Advanced Search & Filtering • User Authentication & Authorization • Admin Dashboard • Property Image Upload • Responsive Design • SEO-Friendly Architecture Technologies Used: React.js, Next.js, Node.js, Express.js, MongoDB, JavaScript, Bootstrap, REST APIs 🌐 Live Project: https://dealonproperty.com 👨‍💻 Role: Full Stack Developer
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Cover image for Eco Village – Real
Eco Village – Real Estate Website Development Designed and developed a modern, responsive website for Eco Village, a premium real estate township project. The website was created to showcase the project's vision, amenities, property information, and investment opportunities while delivering an engaging user experience. 🔹 Key Features: • Responsive Website Design • Project Showcase Pages • Amenities & Facilities Section • Lead Generation Forms • SEO-Friendly Structure • Fast Loading Performance • Mobile-Friendly User Experience Technologies Used: React.js, Next.js, JavaScript, Node.js, Bootstrap Live Website: https://eco-village.co.in Role: Frontend & Full Stack Website Developer
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Cover image for Step To Soft –
Step To Soft – Software Development & IT Services Platform Developed and maintained a professional software development and IT services platform showcasing web development, mobile app development, AI solutions, cloud services, and dedicated development teams. 🔹 Key Features: • Company Portfolio Website • Service Showcase Pages • Dedicated Developer Hiring • Web & Mobile Development Services • SEO-Friendly Architecture • Responsive UI/UX • Lead Generation & Contact System Technologies Used: React.js, Next.js, Node.js, JavaScript, TypeScript, MongoDB, REST APIs Live Project: https://www.steptosoft.com Role: Full Stack Developer
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Cover image for Marengo Asia Hospitals – Healthcare
Marengo Asia Hospitals – Healthcare Website Platform Developed and maintained a modern healthcare and hospital management web platform for Marengo Asia Hospitals. The platform provides seamless access to hospital information, doctor search, appointment booking, patient services, and healthcare resources. 🔹 Key Features: • Hospital & Doctor Search • Online Appointment Booking • Patient Portal Integration • Responsive User Interface • Multi-location Hospital Management • SEO-Friendly Architecture • Performance Optimization Technologies Used: React.js, Next.js, Node.js, JavaScript, REST APIs, Bootstrap Live Project: https://www.marengoasiahospitals.com Role: Full Stack Developer
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MongoDB(1)
Sayan Hazra's avatar
Sayan Hazra
Kolkata, India
🚀 Full Stack Web Dev: React, Node.js, MongoDB
🚀 Full Stack Web Dev: React, Node.js, MongoDB
Cover image for Sync Speak ( real-time Voice Chat app )
Sync Speak ( real-time Voice Chat app )
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Cover image for Online Liquor Delivery
Online Liquor Delivery
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Cover image for Grapixi ( Design to Code )
Grapixi ( Design to Code )
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MongoDB(1)
Tanish Basu's avatar
Tanish Basu
Kolkata, India
Full Stack Web Developer
Full Stack Web Developer
Cover image for Fullstack Web Social Media Platform for Developers:
Fullstack Web Social Media Platform for Developers:
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Cover image for TanishBasu2002/Ai-Summarizer
TanishBasu2002/Ai-Summarizer
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Cover image for TanishBasu2002/Spotify_Clone
TanishBasu2002/Spotify_Clone
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MongoDB(1)
Arya kumar sharma's avatar
Arya kumar sharma
Kolkata, India
Expert Web Developer & Engineer
Expert Web Developer & Engineer
Cover image for Ecommerce website development
Ecommerce website development
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Cover image for SAAS e-commerce website development
SAAS e-commerce website development
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Cover image for Portfolio Website
Portfolio Website
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MongoDB(1)