Abu Sayed MD Zihad

Architecting Scalable
Mobile Ecosystems

I am a results-driven Flutter Developer who thrives in high-pressure environments, specializing in turning complex challenges into seamless mobile experiences. My approach to problem-solving is methodical yet creative, I don't just fix bugs, I architect solutions that scale. With deep expertise in Clean Architecture and cross-platform optimization, I have a proven track record of delivering 25+ production-ready apps that combine technical excellence with user-centric design. Successfully published 10+ apps on both the Google Play Store and Apple App Store.

Collaborated with 50+ international clients with seamless communication

2.5+
Years Experience
25+
Projects Delivered
99%
Client Satisfaction
99%
On-time Delivery
Abu Sayed MD Zihad

About Me

Specialized in architecting high-performance, scalable mobile ecosystems, I bring a unique blend of technical precision and creative problem-solving to every project. Whether it's integrating complex payment gateways or optimizing app performance for millions of users, I focus on delivering clean, maintainable code that drives business growth.

Having collaborated on over 25 successful projects at SM Technology – Betopia Group, I've developed a reputation for staying calm under pressure and meeting tight deadlines without sacrificing quality. My commitment is to build technology that doesn't just work, but wows—empowering users and providing lasting value to stakeholders.

Successfully published 10+ apps on both the Google Play Store and Apple App Store.

Skills & Expertise

Powering modern mobile experiences with cutting-edge technologies

Flutter

Dart

Firebase

REST API

GetX

Git

C/C++

HTML

Stripe

PayPal

Apple Pay

Google Pay

TypeScript

Next.js

Node.js

MongoDB

Featured Projects

Demoulinn

Demoulinn

A modern social media platform with short videos, stories, live streaming, real-time chat, and advanced profile customization. (Global availability)

FlutterDartNode.js+2
Nivaii

Nivaii

An all-in-one e-commerce platform for buying and selling new and used products with secure transactions and courier support. (US & Pakistan base e-commerce)

FlutterDartNode.js+4
Money Saving Techniques (MST)

Money Saving Techniques (MST)

A financial education and tracking platform to help users manage expenses, savings, and debt effectively. (US-based with global accessibility)

FlutterDartNode.js+3
Levaro

Levaro

A smart service marketplace app connecting users with professional local service providers. (UAE-based service marketplace)

FlutterDartNode.js+2
Neo Wash

Neo Wash

Comprehensive car service management platform with user and admin interfaces

FlutterDartFirebase+4
TrackPoint360

TrackPoint360

A privacy-first location marking app that allows users to securely capture and store GPS-based memories

FlutterDartLocation Services+2

Professional journey

A timeline of my career growth and technical contributions

Flutter Developer

SM Technology (Betopia Group)

07/2024 - Present
  • Designed and built responsive UI/UX from scratch for a seamless cross-platform experience (Android & iOS)
  • Integrated REST APIs to enable dynamic features with efficient state management
  • Collaborated with backend developers to implement real-time data synchronization and ensure smooth app–server communication
  • Implemented in-app purchases and subscription systems using Google Play Billing and Apple App Store (Apple Pay & Google Pay)
  • Successfully published and managed mobile applications on Google Play Store and Apple App Store
  • Handled app versioning, updates, and ongoing project maintenance to ensure long-term stability and performance
  • Debugged, optimized, and enhanced app performance for smooth and reliable user experience
  • Delivered high-quality mobile applications by meeting client requirements and strict deadlines

Junior Support Engineer

Zara Zaman Technology Ltd

04/2022 - 06/2023
  • Assisted in maintaining and supporting software systems for ATM, CRM, CDM, and RCDM platforms
  • Collaborated with development teams to deploy software updates and test system integrations
  • Developed internal tools and scripts to automate support tasks and improve system monitoring
  • Troubleshot software-related issues and provided end-to-end technical support to clients
  • Maintained detailed technical documentation and trained end users on software functionalities

Get in Touch

Let's discuss how we can build something amazing together

This will open WhatsApp with your message pre-filled for direct communication.