Available for select opportunities

Mobile App Developer
for Flutter, Android & iOS

Shahriar Asif Rezan · Flutter, Native Android & iOS Developer

DevsZone · January 2026 – Present

Hire a professional mobile application developer for Flutter, Android, iOS, and full-stack delivery. I build custom mobile apps with polished interfaces, reliable APIs, Firebase, payments, notifications, and scalable architecture.

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Dhaka, Bangladesh +880 1703334975
Asif Rezan, professional Flutter and mobile app developer from Bangladesh
Dhaka · Available worldwide
Flutter · Android · iOSShahriar Asif RezanFull-Stack Mobile App Developer
Production-tested Available
10+Apps shipped
100k+Downloads
100%On time
0+

Years Experience

0+

Apps Delivered

0%

On-Time Delivery

0

Interns Mentored

Proof, not promisesProduction experience you can verify
100k+RTV Plus downloads
See delivered work

Mobile app development services

One developer. Complete product delivery.

Hire a mobile app developer for Flutter, native Android, iOS, Firebase, backend integration, or a focused startup MVP.
01

Mobile App Development

Custom Android and iOS applications from planning through store release.

Explore service
02

Flutter App Development

Production-ready cross-platform apps with Riverpod, Firebase, and clean architecture.

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03

Native Android Development

Kotlin applications with modern architecture, media, payments, and platform APIs.

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04

iOS App Development

Polished SwiftUI and Flutter experiences designed for Apple platforms.

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05

Full-Stack Mobile Apps

Mobile frontends connected to Firebase, Django REST, APIs, and real-time services.

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06

Startup MVP Development

A focused, maintainable first release built to validate and grow.

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Based in Dhaka, Bangladesh

Available for remote mobile app development in the USA, UK, Canada, Australia, UAE, and worldwide.

Why work with a Bangladeshi app developer

A low-risk development process

Clear at every stage.

Know what is happening, what comes next, and what you are receiving throughout the project.
01

Discover

We align on users, business goals, scope, risks, and the smallest valuable release.

02

Design & architect

I translate requirements into app flows, technical boundaries, and maintainable architecture.

03

Build & demonstrate

Development happens in reviewable milestones with visible progress and working demonstrations.

04

Release & support

Critical flows are tested, stores are prepared, and the product receives a clean handover.

Source-controlled delivery Direct communication Documented handover Security-minded integrations

What I do best

Technical Expertise

A focused toolkit for building fast, maintainable products across platforms.
Expertise 01

Mobile Development

3 skills
Flutter95%
Kotlin (Native Android)90%
SwiftUI (iOS)75%
Production experience
Expertise 02

Architecture

3 skills
Clean Architecture92%
MVVM90%
MVC88%
Production experience
Expertise 03

Backend & Tools

3 skills
Django REST88%
Firebase / FCM90%
Git & CI/CD95%
Production experience

Career path

Professional Journey

Building production applications, leading delivery, and helping developers grow.
DevsZone logo

DevsZone

App Developer — Flutter, Native Android & iOS

Jan 2026 – Present

Building and maintaining production mobile products across education management and intelligent monitoring workflows.

FlutterKotlinJetpack ComposeREST APIsProduction Support
Featured products
  • Built Bidyaan, a complete education-management app for parents and guardians with Flutter
  • Implemented complex academic workflows spanning dashboards, notices, attendance, results, fees, and communication
  • Built Nirikhon with Kotlin and Jetpack Compose as an intelligent monitoring and access-control product
  • Handled interconnected application states, API-driven data, reliability, and maintainable production delivery
Betopia Group logo

Betopia Group

Flutter Developer

Mar 2025 – Dec 2025

Leading cross-platform development for high-impact client apps.

FlutterRiverpodClean ArchFCMSocket.IO
  • Delivered 10+ production Flutter apps — 100% on-time
  • Real-time chat & push notifications with Firebase & WebSocket
  • Mentored 3 junior developers on state management
  • Integrated Stripe, GPS tracking, and dynamic nested UIs
E.B Solutions Ltd logo

E.B Solutions Ltd

Native Android Developer

Aug 2023 – Nov 2024

Built scalable Android apps for national TV & audiobook platforms.

KotlinMVVMHiltMedia3Retrofit
  • Developed RTV Plus — 100k+ downloads
  • Custom Media3 player with PIP & background play
  • Reduced crash rate by 70% using Firebase Crashlytics
  • Integrated in-app purchases & subscriptions

Selected work

Featured Projects

Mobile products designed to feel intuitive, perform reliably, and solve real problems.
Kabbik Bengali Audio Books app01
AndroidAudio StreamingSubscriptions

Kabbik – Bengali Audio Books

A Bengali audiobook and podcast platform with premium content, recommendations, and offline listening.

Google Play
Streamly video streaming app02
FlutterRiverpodClean Architecture

Streamly – Video Streaming

Live and on-demand video with a custom player and dynamic nested content.

Clotique AI fashion designer app03
FlutterProviderMVVM

Clotique

An intelligent fashion design experience powered by AI.

Lawn Lemur lawn care app04
FlutterStripeGPS

Lawn Lemur

Lawn care booking with secure payments and live location tracking.

RTV Plus streaming app05
KotlinMedia3MVVM

RTV Plus

National TV streaming application with more than 100k downloads.

Google Play
BrainCampus education management app06
FlutterEducationREST API

BrainCampus

A complete education management experience connecting students, guardians, and academic workflows.

Google Play
View All Projects
Mobile app development FAQ

Questions before you hire an app developer

Practical answers about platforms, full-stack delivery, MVP development, remote collaboration, and taking over an existing application.

Ask about your project
What types of mobile apps do you develop?

I develop custom mobile applications for startups and businesses, including marketplaces, streaming products, booking platforms, real-time chat, field-service tools, subscription apps, internal business tools, and MVPs.

Are you available for mobile app development opportunities?

Yes. I am available for full-time roles, scoped app development, remote product collaboration, existing app improvements, and ongoing mobile application maintenance.

Do you build apps for both Android and iOS?

Yes. I build Android and iOS apps with Flutter when a shared cross-platform codebase is the best fit, and I also work with native Kotlin for Android and SwiftUI for iOS.

Do you provide full-stack mobile app development?

Yes. I can deliver the mobile frontend and connect it to Firebase, Django REST APIs, authentication, databases, push notifications, payments, maps, and real-time backend services.

Can you develop an MVP for a startup?

Yes. MVP mobile app development begins with the essential user journey, technical risks, platform requirements, and a focused release plan that can evolve after validation.

Can you work with an existing app or development team?

Yes. I can audit an existing Flutter, Android, or iOS codebase, add features, fix production issues, modernize dependencies, integrate APIs, or collaborate with an established product team.

How is a mobile app development project managed?

Projects are organized around discovery, architecture, reviewable development milestones, demonstrations, testing, store preparation, and documented handover.

Do you work with clients worldwide?

Yes. I work remotely with startups, agencies, and businesses worldwide using written updates, source control, milestone reviews, and scheduled timezone overlap.

Let’s build something great

Have a project
in mind?

I’m available for full-time roles, product collaborations, and selected development projects. Tell me what you’re building, and let’s make it exceptional.

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