WhatsApp Bot and Web App Dev Required

@OutsourceMan

Hello! My name is Raman and I'm the head of CnELIndia, a Premier Web and App Development Enterprise. We have been in the industry for over 18 years, building robust and scalable solutions for a variety of businesses. I'd like to showcase our proficiency in all the key technologies you've listed such as FastAPI, Node.js, PostgreSQL and WhatsApp Cloud API. In terms of project experience, we've successfully developed several chatbot applications including those integrating with the WhatsApp platform. With regards to your needs on this project specifically, we are comfortable working with Indian language apps as well as UPI payment flows. Our previous work includes marketplace apps that might be relevant to your rural-focused digital platform. Timelines are crucial and our team thrives in delivering within schedules without compromising quality. We also offer you a reasonable price that suits your budget. Choose us for a fruitful partnership where excellent code meets deployable solutions. Pulling from our vast experience and skillset, we will ensure your MVP development journey is not only successful but enjoyable too by guaranteeing weekly check-ins via Google Meet and continuous progress updates throughout the process. Looking forward to chatting more about your vision on this exciting digital marketplace platform!

@kaustubhbawa123

Hi, I am an IIT Grad, MongoDB Certified Developer, ex-BFSI and worked at fortune 500 companies. I will make it a reality for you. As a Full Stack Developer, I will build a full-stack web application using React. js, Node. Kindly click on the chat button so we can discuss and get started. Will share you my prior projects done and my resume too. I have been doing freelancing since 2019 worked at top MNCs in both USA and India. Lets connect

@techstar12

Hi I clearly understand you are building a rural first marketplace where WhatsApp is the main user journey not just a support channel. The real challenge here is creating a stable conversational flow that handles onboarding listing booking payments and media capture without breaking the user experience on low digital literacy users. I have built bot driven flows where voice image and location inputs are structured and pushed into clean backend logic with strong session handling using Redis and webhook driven architecture. Your need for Razorpay escrow trust score logic and Aadhaar verification shows this platform is more about reliability and moderation than UI polish. I focus on shipping working MVPs fast with clear admin control panels clean APIs and simple mobile first React apps that perform well even on slow networks. I can handle AWS deployment CI setup and make the system ready for scale after validation. I have prior experience building WhatsApp based automation and marketplace style dashboards. I can deliver this MVP in around 6 weeks within your budget range. Based in South Asia timezone aligned for smooth weekly sync. I would be happy to share relevant project links and a short execution plan. Let us connect and move this forward. Please tell me if you need anything specific from my side to start.

@techfluxin

Hi, This is a solid idea—but for a 5–7 week MVP, the real challenge won’t be coding, it’ll be keeping the scope tight so everything actually works smoothly together. Right now, WhatsApp bot + payments + listings + web app + infra in one go can easily get messy without a clear MVP cut. I’ve built similar systems with Node + React where the focus was getting a working flow first (onboarding → listing → booking → payment) before scaling features. Quick one — for v1, do you want the full flow live across bot + web, or are you open to prioritizing WhatsApp-first and expanding after? If you’re open, I can map a lean MVP plan that fits your timeline without overcomplicating things. Let’s connect on chat for more details.

@Shrutibimpl

Hello, I will build the backend using a popular web framework to manage the WhatsApp Cloud API integration, payment logic, and eKYC webhooks. I will set up a PostgreSQL database and Redis to handle session states and listing data. For the frontend, I will use a modern JavaScript library to create the mobile first web app with multi language support and an admin dashboard. The entire stack will be deployed on AWS using standard compute, storage, and database services. I will implement a conversational flow for the bot that handles voice, images, and location data, while the payment layer will use a popular gateway for escrow and payouts. 1) Do you have the approved WhatsApp message templates and Razorpay credentials ready? 2) Should the Kannada translation be provided by me or do you have the localized strings? 3) What is the specific ASR API provider you are using for voice notes? Thanks, Bharat

@Mayanks010

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank Sahu

@MuhammadAsad108

✔ I build production-ready MVPs — fast, scalable, and designed for real users from day one. ✔ Workflow Diagram Requirement Breakdown ⟶⟶ System Architecture Design ⟶⟶ WhatsApp Bot Development ⟶⟶ Backend APIs & Database ⟶⟶ Web App (PWA) Build ⟶⟶ Payment & KYC Integration ⟶⟶ AWS Deployment ⟶⟶ Testing & Launch Key Highlights ✔ WhatsApp-first architecture — optimized conversational flows for onboarding, listings, and bookings. ✔ Full WhatsApp Cloud API integration — messages, templates, media handling, and webhook processing. ✔ Voice & media processing — voice notes (ASR API), image uploads (AWS S3), and location pin handling. ✔ Strong backend foundation — FastAPI/Node.js with PostgreSQL + Redis for performance and scalability. ✔ Razorpay integration — UPI links, escrow handling, and payout workflows. ✔ Aadhaar eKYC integration — secure webhook-based identity verification. ✔ Marketplace web app (PWA) — fast, mobile-first listing discovery with i18n (Kannada + English). ✔ Role-based dashboards — Admin panel + VLE portal for moderation and listing management. ✔ AWS deployment (ap-south-1) — EC2, RDS, S3, CloudFront with CI/CD via GitHub Actions. ✔ Clean, documented code — easy to scale into full product post-MVP. Best Regards, Asad Full Stack Developer | WhatsApp Bot Specialist | Marketplace & SaaS Systems

@Tarang78

Hi! I’m Tarang, I am very interested in your project, "WhatsApp Bot + Marketplace Web App." I have over 12 years of experience and a background in developing projects in mobile application technologies like React Native (Android & iOS). I’m currently online and ready to discuss your project and start immediately, and I can deliver high-quality work within your timeline. Please join the chat for discussion.

@RajAbhisek

Hi there, I am Raj, having experience of more than 6 years in website and app development. I have been exclusively working on platforms like Node JS, Angular, React, React Native, Next JS, Flutter, Ionic, Capacitor, Electron, MongoDB, PostgreSQL, MSSQL, MySQL, Nest JS, Express JS, Firebase etc. I have also hosted scalable web apps on AWS, GCP, Azure and have ample DevOps experience to setup, configure and maintain production severs. I follow proper code standards, use Swagger for backend APIs, also have done automation testing using Karma and Jasmine. I can definitely do your job on time according to your requirements. Please ping me in chat to discuss more. Thanks.

@rajmalviyamalviy

Hi, I’m open to discussing the scope in detail and signing an NDA to proceed further. I’m very interested in working on your marketplace MVP and helping you bring this idea to life. I have experience in full-stack development using Node.js/React and have worked on API integrations, real-time features, and scalable backend systems. I’m comfortable with WhatsApp API integrations, payment gateways like Razorpay, and AWS services (EC2, S3, RDS). ✔ I have built similar workflow-based applications with chat integrations and can handle end-to-end development. ✔ I follow clean coding practices, proper documentation, and structured GitHub workflows. Here are my details: Portfolio: I can share relevant project links on request WhatsApp Bot: Yes, I have experience working with chat-based automation and API integrations Timeline: 5–7 weeks for MVP delivery Location: India Looking forward to connecting with you. Best regards, Raj M

@engrnaib

Hi, Do you need help with building a WhatsApp Bot and a marketplace web app? I have extensive experience in developing complex applications, including WhatsApp integrations and REST APIs. For your project, I can create a seamless WhatsApp bot with multi-step conversational flows and backend services using Node.js and PostgreSQL. I’ve successfully implemented UPI payments and AWS deployment in previous projects, ensuring efficiency and reliability in performance. My proposed timeline is around 6 weeks to deliver the MVP, focusing on functionality as specified. I specialize in implementing scalable solutions and have a strong GitHub portfolio showcasing my previous work. Let’s discuss your vision in detail and how I can help bring it to life! Best Regards,

@PyMLExpert1

Dear Bengaluru founder, As an experienced full-stack developer, I'm confident in my ability to build your rural-focused digital marketplace platform as an individual developer. My extensive knowledge in REST API development and back-end technologies such as Node.js or Python FastAPI, PostgreSQL, Redis; combined with my experience in deploying on AWS (specifically EC2, RDS, S3) aligns perfectly with your needs. Additionally, having previously integrated multiple third-party APIs including Aadhaar eKYC webhooks and Razorpay, I'm equipped to handle your project challenges. While I have not built a WhatsApp bot before, my past projects demonstrate my ability to ideate creative solutions for complex problems. I have developed algorithm-centric tools that allow maximum utilization of resources - a skillset that can be applied to your project's VoIP message handling and storage needs. Being a multi-skilled software engineer, I assure you efficiency in delivering clean code and completing the project within our mutually agreed timeline. Lastly, being an India-based developer with living experience in diverse regions of the country puts me in an advantageous position regarding language context, specifically Kannada, aiding project translation efforts. To delve deeper into my portfolio and discuss how I can tailor these skills to meet your unique vision for this platform, I humbly request an opportunity to engage in a screening call. Let's bring automation to your marketplace.

@burzhuy

Leveraging two decades of experience in the web, I believe I would be an ideal match for your needs. Having worked extensively with JavaScript and Python, I remain versatile and comfortable with developing both backend and frontend solutions. In terms of the project at hand, I have experience developing bots from scratch using messaging platforms like WhatsApp in addition to familiarity with AWS, Node.js/Python, SQL databases, Redis and API integrations like Razorpay - all of which are critical components of this project. My capabilities extend to creating toolsets to enable greater access to digital applications, both-urban and rural. During my career, I have been involved in projects similar to yours where trust, security, and functional fidelity are paramount. Given we can effectively communicate in English given your preference for an India-based developer, we do not have to compromise on working excellence. Also trainable in other Indian languages if required. As you mentioned a firm timeline and clean codebase as an important criterion; my delivery track record is excellent when it comes to adherence along with maintaining quality. I look forward to engaging in further discussions on how together we could build a successful MVP.

@sanjeetk1207

I’m a full-stack and AI engineer with 5+ years of experience building end-to-end systems, including chatbots, marketplaces, and scalable backend APIs. I’ve recently worked on AI-driven agents, WhatsApp-style conversational platforms, and real-time systems using FastAPI, React, PostgreSQL, and AWS. For your MVP, I can take full ownership of the WhatsApp bot, backend, and web app, following a clean, modular approach. I focus on delivering fast, reliable solutions without over-engineering, aligning well with your 5–7 week timeline. I’m experienced with Razorpay, API integrations, and AWS deployments, and I prioritize clean, well-documented, production-ready code. Happy to discuss further.

@Saikasbe7

Hello, Your project is well-structured, and I’m confident I can help build a functional MVP for your WhatsApp-based marketplace platform. I have been preparing for freelance development since 2022 with a focus on Python (FastAPI), APIs, and full-stack workflows. I can handle WhatsApp Cloud API integration, backend development, database design (PostgreSQL), and basic AWS deployment with clean and well-documented code. I will follow a structured approach covering bot flow, backend APIs, integrations, and a simple web interface, with regular updates throughout the development. Estimated timeline: 6 weeks Proposed budget: ₹45,000 (negotiable) As I am actively looking for a long-term opportunity, I would appreciate the chance to work on this project and demonstrate my capability. Thank you.