Freelance web developer /Voice AI based in _Kolkata/World

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Proudly collaborated with some of the biggest brands

I’m Suman Das, an independent full-stack developer based in India, specializing in building smart, scalable, and user-focused digital solutions.

With a background in web development, VOIP/Asterisk systems, SaaS platforms, and automation tools, I help businesses and individuals bring their ideas to life with clean code and thoughtful design. Every project I take on is driven by a commitment to quality, performance, and real-world impact — whether it’s a custom website, backend system, or AI integration. If you’re looking to launch something meaningful and reliable, let’s connect and build it together — from concept to deployment.

Services

01

AI Call Assistance

Transform the way your business communicates. We build AI-powered call agents that can answer, route, and engage with customers 24/7—reducing wait times and increasing customer satisfaction. Designed for clarity, speed, and scalability, our solutions integrate seamlessly with VOIP/Asterisk systems to automate your call flows like never before.

AI-Powered 24/7 Call Agents
Answer, route, and engage with customers anytime without increasing staff workload.
Faster Support & Better Customer Experience
Reduce wait times, improve response speed, and increase customer satisfaction.
Seamless VOIP/Asterisk Integration
Connect directly with your existing VOIP or Asterisk system to automate call flows at scale.
02

Android App Development

Have an idea? We help you turn it into a sleek, functional Android app—whether it’s for your startup, local business, or a custom tool. From UI design to backend integration, we build apps that are fast, secure, and ready for Google Play. Let’s bring your vision to life—one tap at a time.

Custom Android App Development
Clean UI + Backend Integration
Fast, Secure & Google Play Ready
03

Full Stack

Our full-stack web developer is a one-stop-shop for all web development needs – from creating visually stunning front-ends to handling complex back-end processes, making our hotel website run smoothly and efficiently.

Complete Web Development Solution.
Beautiful Front-End Design.
Smooth & Efficient Backend System
.

Featured Work

Full-Stack

netfry
Website Redesign

Revamp your online presence with a modern and user-friendly Nientex website redesign that showcases your hotel’s luxury amenities and increases bookings.

Project Details ↗

Ecommerce

Brittany & Co Front Store

Front End

NeuroApp Landing Page

Full-stack

Ozone Esport Platform

Backend

NY Hospital CRM

Let’s Talk About Your Project

Years of experience

+

Successful projects

Happy clients

Individual awards

See why they love my work

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Let’s connect and create something awesome together!

hello@sumandas.in
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