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What is Flutter?

Flutter is a mobile application development framework developed by Google. Flutter works in both iOS and Android, so you can build an app once and deploy to each store quickly.

Hire a Flutter Engineer

Looking for a savvy Flutter Engineer to take your project to the next level? Freelancer.com offers an abundance of experienced professionals, ready to provide expert development, debugging, and optimization services - all cost-effective! No need to search elsewhere - access a wealth of talent right there.

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Post your project for free and connect with skilled Flutter Engineers ready to start today. Compare bids, ratings and portfolios, and only pay when you're happy with the work.

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Hire Flutter Engineers

Charles

5.0

2.6

100%

Onehunga, New Zealand

$55 USD per hour

Flutter PHP C Programming Java JavaScript

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Elijah

4.7

1.3

100%

Te Puke, New Zealand

$48 USD per hour

Flutter PHP Perl ASP C Programming

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Joris

5.0

6.3

100%

Hamilton, New Zealand

$100 USD per hour

Flutter Java JavaScript Cloud Computing Google App Engine

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Michelle

4.8

2.0

100%

Auckland, New Zealand

$60 USD per hour

Flutter PHP JavaScript WordPress CSS

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Aruna Lakmal

5.0

1.0

100%

Rolleston, New Zealand

$30 USD per hour

Flutter Java JavaScript iPhone Software Architecture

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Clients rate our Flutter Engineers

4.9 out of 5

from 154,685 reviews

Best completed Flutter projects from previous months

Looking to hire a Flutter Engineer? These are top-rated Flutter projects recently completed on Freelancer, chosen from verified client reviews of 4.5 stars and above, and refreshed monthly.

Flutter Developer for Fasting & Prayer App

Flutter

THE PROJECT

Fasting timer logic, a scripture feed, prayer journal, and RevenueCat subscription paywalls were built into a cross-platform Flutter app for iOS and Android. The client praised the developer's detail and expertise early in the engagement.

CLIENT REVIEW

[redacted] has started my project and I am excited to work with her. She is detailed, knowledgeable, and displays her expertise professionally.

PHP · Mobile App Development · iPhone

5.0 150 bids completed Aug 2026

Flutter App Rebranding & Build

Flutter

THE PROJECT

A Flutter app was fully rebranded end-to-end: new logo, adaptive icon, splash screen, package name, and color palette applied across all assets. The developer delivered signed APK and AAB builds ready for Play Store submission, earning a 5.0 rating from the client.

CLIENT REVIEW

Excellent Developer! krupa Highly recommended! The developer delivered the project very fast with excellent quality. Communication was smooth throughout the process, and all my requirements were completed professionally. The app works perfectly, and the final result exceeded my expectations. I would definitely hire this developer again for future projects. Thank you for the outstanding work!

Graphic Design · Logo Design · Mobile App Development

5.0 52 bids completed Jul 2026

Math Course Study App Development

Flutter

THE PROJECT

Flutter was used to build a cross-platform academic course app with video streaming, graded quizzes, threaded forums, one-time in-app purchases, and a content admin panel. The client praised every deadline hit and called the complex build effortless.

CLIENT REVIEW

Incredible work by Mr Rehan! He built this complex app with ease and hit every single deadline. Highly professional and reliable.

Mobile App Development · iPhone · Android

5.0 23 bids completed Jul 2026

Complete Flutter SMS Parser

Flutter

THE PROJECT

Flutter form handling and REST API integration were added to an SMS-parsing Android app, covering validation, payload posting, and local transaction flagging. The freelancer carries a 100% completion rate across all completed work.

CLIENT REVIEW

Good work, i recomend

Mobile App Development · Android · Dart

5.0 45 bids completed Jul 2026

Flutter Google Navigation Integration

Flutter

THE PROJECT

Turn-by-turn Google Navigation was integrated into an existing Flutter app, adding waypoint support and voice guidance across both iOS and Android. The freelancer earned a 5.0 rating and holds a 100% completion rate.

CLIENT REVIEW

Excellent work completed within the specified timeframe.

Mobile App Development · iPhone · Android

5.0 167 bids completed Jul 2026

How to hire a great freelance Flutter Engineer

A Flutter engineer is a mobile and cross-platform developer who builds native-quality applications for iOS, Android, web, and desktop from a single Dart codebase using Google's Flutter framework. Hiring a Flutter engineer gives your business one production-ready app that runs everywhere, cutting development time and maintenance overhead compared to building separate native apps.

What a Flutter engineer delivers

A skilled Flutter developer translates product requirements into shippable cross-platform applications with pixel-perfect UI, smooth animations, and reliable native integrations. The Dart codebase compiles to native ARM and x64 machine code, so the resulting apps perform comparably to platform-specific builds while sharing 90% or more of their logic across targets.

Beyond writing widgets, a Flutter engineer architects state management, integrates backends, handles platform channels for native device features, and ships builds through the App Store and Google Play. The commercial benefit is straightforward: one team, one codebase, multiple platforms, and a faster path from prototype to launch.

Core services and deliverables

Cross-platform mobile apps for iOS and Android from a single Dart codebase

Flutter web and desktop builds for Windows, macOS, and Linux

Custom widget development, responsive layouts, and Material and Cupertino design implementation

State management using Bloc, Riverpod, Provider, or GetX

REST and GraphQL API integration, WebSocket connections, and offline-first data sync

Firebase integration including Authentication, Firestore, Cloud Functions, Crashlytics, and Push Notifications

Native platform channel work in Swift, Kotlin, Objective-C, or Java for device features unavailable in pure Dart

App store submission, code signing, TestFlight and Play Console release management

CI/CD pipelines using Codemagic, Fastlane, or GitHub Actions

Unit, widget, and integration testing with the flutter_test framework

Migration of legacy native or hybrid apps to Flutter

Performance profiling, memory optimization, and reduction of jank in animations

Tools and frameworks Flutter developers use

A competent Flutter engineer works fluently across the Flutter SDK, Dart language, and the surrounding tooling ecosystem. Expect proficiency with Android Studio, Visual Studio Code, and Xcode for builds and emulators, plus pub.dev for package management.

Flutter SDK and Dart language, including null safety and async patterns

State management libraries: Bloc, Riverpod, Provider, GetX, MobX

Backend services: Firebase, Supabase, AWS Amplify, custom Node.js or Django APIs

Networking and serialization: Dio, http, json_serializable, Retrofit for Dart

Local storage: Hive, sqflite, Isar, shared_preferences

Animation and graphics: Rive, Lottie, custom CustomPainter implementations

DevOps: Codemagic, Fastlane, Bitrise, GitHub Actions, App Center

Testing: flutter_test, Mockito, integration_test, Patrol

Industries and use cases

Flutter is used across fintech, healthtech, e-commerce, logistics, social networking, on-demand services, and B2B SaaS. Startups choose Flutter to ship MVPs quickly across both stores; enterprises use it to consolidate fragmented native teams onto a single technology stack.

Fintech apps with biometric authentication, card payments, and real-time portfolio updates

E-commerce storefronts with product catalogs, cart, checkout, and order tracking

Healthcare and telemedicine apps with HIPAA-aware data handling and video consultations

Ride-hailing, delivery, and logistics platforms with live maps and driver dispatch

EdTech apps with offline content, progress tracking, and gamified learning

IoT companion apps connecting to BLE devices, wearables, and smart home hardware

How to evaluate Flutter engineer candidates

Strong candidates show production Flutter apps live on the App Store and Google Play, not just GitHub repositories. Look for clean separation of UI from business logic, evidence of state management discipline, and familiarity with native iOS and Android tooling for the inevitable platform-specific work.

Portfolio markers worth weighing:

Shipped apps with public store listings, ideally with download counts and recent updates

Open-source contributions to Flutter packages or pub.dev publications

Comfort writing platform channel code in Swift or Kotlin

Experience with at least one major state management approach used consistently

Demonstrated testing practice — widget and integration tests, not just unit tests

Sample interview questions you can use directly:

Walk me through a Flutter app you shipped to production. What state management did you choose and why?

How do you handle platform-specific functionality that isn't available as a Flutter package?

What's the difference between StatelessWidget, StatefulWidget, and InheritedWidget, and when would you use each?

How do you debug performance issues like dropped frames or excessive rebuilds in a Flutter app?

Describe how you'd structure a Flutter project with offline-first sync to a REST backend.

Why hire Flutter engineers on Freelancer.com

Freelancer.com gives you access to a global pool of vetted Flutter developers, from solo specialists who can build a polished MVP to senior engineers comfortable leading cross-platform migrations. You set the budget, receive competitive bids, and review verified profiles with portfolios, ratings, and client reviews before committing.

Milestone Payments protect your funds until work is approved, and the platform's chat, file sharing, and project tracking tools keep the engagement organized from kickoff to launch. Whether you need a one-week prototype or a long-term engineering partner, you can post a project on Freelancer.com and shortlist candidates within hours.

Ready to build your cross-platform app? Post a project on Freelancer.com today and connect with skilled Flutter engineers ready to ship your iOS, Android, web, and desktop app from a single codebase.

What are the steps to hiring a freelance Flutter engineer?

Hiring a Flutter engineer goes smoothly when your brief is concrete about platforms, features, and integrations. The clearer your project description, the more accurate the bids and the faster you can move from posting to development. Here is the process from start to award.

Step 1: Post your project on Freelancer.com

Your project post is the single biggest determinant of bid quality. A specific brief filters out generic bidders and attracts Flutter developers whose experience genuinely matches what you're building. Head to the post project page , fill in the brief, scope, timeline, and budget, then publish the project for freelancers to bid on.

Target platforms: iOS, Android, web, desktop, or a combination

Core features and screens, with references to similar apps if helpful

Backend details: existing REST or GraphQL APIs, Firebase, or backend to be built

State management preference, if you have one (Bloc, Riverpod, Provider, GetX)

Design assets: Figma files, brand guidelines, or whether design is also needed

Native integrations required: payments, push notifications, BLE, maps, biometrics

Timeline, milestones, and store submission expectations

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. Read them carefully — a strong Flutter developer will reference your specific requirements, suggest a state management approach, flag missing information, and propose a realistic timeline. Use Freelancer.com chat to ask clarifying questions before shortlisting.

Clarity of proposed architecture and state management approach

Realistic timeline that accounts for store review and testing, not just coding

Relevant questions raised about backend, design, or native integrations

Sample Flutter apps attached, ideally with App Store or Play Store links

References to packages, CI/CD tools, or testing practices appropriate for the scope

Communication quality and responsiveness in pre-award chat

Step 3: Evaluate freelancers and award the project

The final decision combines proposal quality with profile evidence. For Flutter work, weigh the depth and recency of shipped apps over a single impressive screenshot, and read written reviews for signals about communication and post-launch support.

Portfolio depth: multiple Flutter apps live on stores, with recent activity

Star ratings and the volume of completed projects on the platform

Written client reviews, especially mentions of code quality and reliability

Verified payment method and identity

Completion rate and on-time delivery rate

Award the project and set up Milestone Payments so funds are released only as agreed deliverables are approved, protecting you throughout the build

How long does a Flutter app project take?

A simple MVP with a few screens and basic API integration typically takes three to six weeks, while a feature-rich production app with authentication, payments, and offline sync usually runs three to six months. Timelines depend on backend readiness, design completeness, and how much native platform work is required.

What's the difference between Flutter and React Native?

Flutter uses the Dart language and renders its own widgets directly to a Skia or Impeller canvas, giving consistent UI across platforms. React Native uses JavaScript and bridges to native components. Flutter generally delivers more uniform visuals and smoother animations, while React Native leans on existing JavaScript ecosystems.

Can I hire a Flutter engineer for a one-off project?

Yes. Many Flutter freelancers on Freelancer.com take fixed-scope work such as building an MVP, adding a specific feature, fixing performance issues, or porting an existing native app. You can also hire hourly for ongoing maintenance or part-time engineering support.

Do I need a Flutter freelancer or a full agency?

For an MVP, a single feature, or a small-to-medium app, an experienced Flutter freelancer is usually sufficient and faster to onboard. Agencies make sense when you need design, backend, QA, and project management bundled, but you can assemble the same team flexibly through Freelancer.com.

Does Flutter work for web and desktop, or just mobile?

Flutter officially supports iOS, Android, web, Windows, macOS, and Linux from one codebase. Mobile remains the most mature target, but web and desktop builds are production-ready for many use cases, particularly internal tools and companion apps.