Available for Freelance Projects

Turn Your Ideas
Into Apps

Hey,
Scaling businesses with Cross-Platform Apps & high-performance backends.

Selected Works

Building high-performance digital products for scale.

Lakmart – Multi-Vendor Ecosystem

Scalable marketplace handling 100+ stores & real-time logistics.

Lakmart User App Preview
B2C

Lakmart User App

Customer-facing application featuring personalized product feeds, integrated payment gateways, and real-time order tracking via Google Maps API.

FlutterGetXFirebase
Lakmart Vendor Dashboard Preview
B2B

Lakmart Vendor Dashboard

Comprehensive management tool empowering 100+ vendors to manage their own stores, track inventory, and process incoming orders autonomously.

FlutterREST APIFCM
Lakmart Delivery Boy App Preview
Logistics

Lakmart Delivery Boy App

Logistics solution for delivery personnel featuring real-time location streaming, optimized routing, and instantaneous order assignments.

FlutterMapsLocation

Other Featured Projects

Proven solutions delivering real-world impact across diverse industries.

Barber Shop Queue System Preview
Service Tech

Barber Shop Queue System

Digitized queue management for a stylist chain. Reduced average customer wait time from 45 minutes to 15 minutes. Enabled remote queue joining (60% usage).

FlutterFirebase DBFCM
WhatsApp-Style Messaging App Preview
Real-time

WhatsApp-Style Messaging App

A one-to-one text messaging application with a clean UI and real-time chat. Features push notifications for new messages and smooth, reliable delivery.

FlutterFirestoreFCM
Gaming Account Selling Platform Preview
E-Commerce

Gaming Account Selling Platform

A specialized e-commerce platform for buying and selling gaming accounts. Features secure user authentication and a streamlined browsing experience.

FlutterAuthFirestore

Technical Expertise

Precision engineering across the full stack.

Frontend

Flutter
Dart
GetX
Provider
Responsive UI

Backend

Firebase
Auth
Firestore
FCM
Functions

APIs & Core Tech

REST API
Google Maps
Payments
JSON

Workflow & Tools

Git
GitHub
Postman

Professional Journey

A focused look at my high-impact contributions.

Freelance Full Stack Flutter Developer

Self-Employed
2022 – Present
Remote
Delivered 6+ complete Flutter applications for clients in e‑commerce, service, and messaging industries.
Built a multi‑vendor marketplace platform (3 apps: User, Vendor, Delivery) handling 100+ vendors.
Developed a digital queue management system for stylist chains, reducing wait times by 60%.
Reduced app crash rate by 30% through Firebase monitoring and proactive optimization.
Maintained 95% client satisfaction through clear communication and on‑time delivery.

About Me

With 3 years of experience as a full-stack Flutter developer, I specialize in building complete, scalable cross‑platform applications. My true passion lies in turning complex concepts into seamless, high-performance mobile experiences.

I take pride in handling the entire lifecycle of an app—from responsive UIs with GetX and Provider to powerful, secure backend architectures using Firebase (Auth, Firestore, Realtime DB, Cloud Functions).

Whether it's a multi-vendor marketplace handling 100+ stores or a real-time messaging application, I focus on delivering reliable, beautifully designed solutions that directly drive business value.

3+
Years Exp.
6+
Apps Shipped
Shamvil Shahin M - Full Stack Flutter Developer

Client Testimonials

Don't just take my word for it. Here's what founders and business owners have to say.

"Shamvil delivered our marketplace app on time and was very responsive to feedback. His ability to handle both the frontend and backend made the process smooth and fast. Would definitely hire again."

Nihana Niamath

Founder of Lakmart

"Thanks to Shamvil's queue system, our waiting time dropped dramatically and customer satisfaction improved. He understood our needs and delivered a complete robust solution. Great communication despite the time difference."

Jihil Rahman

Owner of Jazz Stylist

Ready to start your next project?

I'm currently available for ongoing freelance projects and fixed-price contracts. Let's build something great together.

Say Hello
India (Flexible Timezones)