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4.8/5
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  2. Development & IT Talent
  3. Mobile App Developers
  4. (Current) Flutter Developers
  • $40 hourly

    • 4.9/5
    • (33 jobs)
    Greetings, With more than 8 years of experience as a Software Engineer, I bring a wealth of expertise to the table. I'm particularly active in the open-source community, contributing significantly to the Flutter ecosystem and its Firebase packages. Throughout my career, I've developed, delivered, and published over 70 software solutions that have garnered high praise and satisfied users. My experience has enabled me to provide valuable contributions to over 15 companies or teams, enhancing their products and services. As a project manager and tech lead, I am well-equipped to bring technical value to your next venture. Let's create something extraordinary together. Here are some highlights from my career: Flutter: Over the past 7 years, I've published 5+ mobile applications and built 50+ Flutter applications for satisfied clients. I've led a team of over 10 developers, delivering modern, scalable, and robust mobile solutions. Firebase: I possess significant expertise in Firebase, especially when it comes to scaling solutions rapidly. My proficiency with the SDK allows me to design scalable solutions without compromising on features. Cloud Computing: As an Indie developer, I've utilized various cloud services, including GCP, Digital Ocean, AWS, and Cloud ways. MongoDB and Redis: I've learned how to design scalable applications using cutting-edge caching mechanisms with Redis and high-performance MongoDB instances from Digital Ocean. Stripe: I've extensively used Stripe for payments, with the apps I've developed processing over $1M without any software issues. I'm also the author of the stripe_terminal package on pub.dev, a Flutter package that interfaces with Stripe hardware readers. Internet Computer and Blockchain: I've been one of the early adopters and developers on the Internet Computer blockchain, a rising competitor to Ethereum. My focus has primarily been on the Flutter side of this technology. Native Code Execution: I have extensive experience running native C/C++ code on both Android and iOS. As a Flutter developer, I've integrated native code into a Flutter app using technologies like dart:ffi, CMake, Method Channel, JNI, and Platform Views. Beacons: I have a good experience with Bluetooth beacons, having worked with iBeacons, Eddystone, and frameworks like CoreLocation, CoreBluetooth, AltBeacon, etc. Indoor Positioning: I've worked with Navigine, a leading Indoor positioning company, and even developed the Flutter SDKs for their service. GPS Tracking: Beyond beacon technology, I have a deep understanding of GPS and tracking technologies, including Geofencing on both Android and iOS. WebRTC (Video/Audio Calling/VoIP): I've worked with applications that feature VoIP services. I have direct experience with services like Jitsi, Agora, WebRTC, and QuickBlox. I've had the privilege of working in various sectors, including Education, Internet of Things, Bluetooth Beacons, Audio/Video Calling, Custom Barcode Scanning and Designing, Fleet Management, Fintech/Stock Market, and Social Networking Apps, among others. Looking forward to our collaboration.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Android
    iOS
    Android App Development
    iOS Development
    React
    Core Bluetooth
    SQLite Programming
    Bluetooth
    Core Location
    Firebase Cloud Firestore
    Firebase
  • $110 hourly

    • 5.0/5
    • (42 jobs)
    🥇 AWARD WINNING mobile developer (try out my language learning app in the app store - Kleo - currently featured on Apple's list of BEST LANGUAGE LEARNING APPS!) 🏆 TOP RATED & EXPERT VETTED mobile developer specializing in Flutter & iOS Swift Mobile Application Development. 🇺🇸 2020-2023 Top Mobile Developer for hire in the United States. 📰 Featured on Business Insider 🟢 GO GREEN 🟢 🎓 Michigan State University Graduate 👨‍💻 Bachelors Degree in Computer Science ⭐️ Notable Reviews from Clients ⭐️ - "Michael is one of the best people I have ever had the pleasure of working with." - "Michael is an exceptional developer. I've worked with 10 different freelance developers over the past 3 years, from all over the world, and Michael has certainly been one of the top 3." - "All in all, Michael is not only a quality developer, but a quality human being overall. There's not too many developers like him out there, as he genuinely connects with you on a human basis as well." Notable Stats on Upwork 🏅 Top 1% of Mobile Developers 🏅 Top 5% of iOS Developers 🏅 Top 5% of Firebase Developers 🏅 Top 10% of Swift Developers I've been an Mobile App Developer for eight years and I love what I do! I've built many applications that range from simple games to social media platforms that have received funding from venture capital firms, and even gone to display its technology at CES (the largest tech conference in the world). 🌟WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: It is my purpose to provide VALUE to all of my clients and build a relationship with you in order to make for a great project. As you can see from my reviews, my clients speak from their heart when describing their experience working with me. I intend to leave that impression on every person I have the pleasure of working with. ✅ Communication: From my experience as a developer, communication is one of the most important things when working together. Honest and sincere communication. I make it a responsibility of mine to be as responsive as possible to ensure a smooth working process. ✅ Mastery: As Don Miguel Ruiz said in The 4 Agreements, always do your best. I always go the extra mile to make sure the applications I create are flawless and attractive; I want to be confident in every application I showcase on my portfolio 😁 I'm excited to work with you! If you are a start up looking to take your product to the next level, or an established business looking to scale your services, let’s hop on a complimentary 15-30 minute discussion to establish your plan for success.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    iPad App Development
    Social Networking Development
    iOS SDK
    MongoDB
    Firebase
    iOS Development
    Mobile App Development
    AWS Amplify
    Firebase Cloud Firestore
    API Integration
    Swift
    Amazon Web Services
    Push Notifications
    User Authentication
  • $35 hourly

    • 5.0/5
    • (15 jobs)
    🏆 TOP RATED PLUS🏆 in FLUTTER DEVELOPMENT "So it will be!" - that's how I like to say to my clients every time they ask me if I can get the work done on time, never fails. Hi there, thank you for checking out my profile, my name is Huy, I am a Mobile developer in Viet Nam, if you are looking for someone to respond fast, learn and adapt fast, and have good communication. Look no further!. As a self-learner and a technology enthusiast, I always offer the best quality apps to my clients, using the below skills: ✅ Flutter, dart, BLoC, Provider, Riverpod ✅ Amazon Amplify, Firebase (authentication, database, analytics, notifications and etc.) ✅ Google SDK (Maps, Ads, Youtube, In-app Billing and etc.) ✅ Online payments (Stripe) ✅ Social Media integration (Facebook, Twitter, Instagram, G+, Youtube) ✅ App marketing and ads integration (Google Ads, App Flyers, UX Cam) ✅ Fully automated deployment pipeline (bitrise.io, Fastlane) ✅ Beacon/Bluetooth connect I may not be one of the best Flutter developers on the market yet, but my communication skill is top-notch. I will always be the developer that always asks the right question before work and offers the right solutions, and is 100% transparent about my work. Open to full-time, part-time long long-term work.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Push Notifications
    Dart
    GraphQL
    Firebase
    Mobile App Development
  • $35 hourly

    • 5.0/5
    • (43 jobs)
    I am Tuyen, I became a freelancer from 2012 on Odesk (now is Upwork). Zend Certified PHP Engineer. MongoDB Certified Developer Associate Level I can work over 40h/week and will send daily reports with the development progress. The project will be uploaded on my server or yours. More than 7+ years of experience in Web based applications. Followings: - AWS: EC2, RDS, SES, SNS - Content Management System (CMS): Custom CMS, Wordpress, Drupal 6,7,8 - Framework: Codeigniter, Zend, Cakephp, Laravel, Phalcon, Slim - Server Script: Java, PHP, Perl, Nodejs - Client Script: Javascript, Jquery & Jquery Mobile, AngularJS, Kendo UI, Sencha ExtJS - Git/Github/Bitbucket, Subversion - Database: MySQL, PostgreSQL, MongoDB - System and Deploy: Linux, Docker, Capistrano, Jenkins - Scrape: Dom, Puppeteer, Selenium, Proxies - API: Youtube, Facebook Api, Singly, Getinvisiblehand, Semantics3 - Blogs: Wordpress and custom built blogs - Forums: phpBB, vBulletin and custom built forums - Ecommerce Websites: Custom Shopping Carts, Multiple Payment Systems - Web Maintenance and support services - OOP programming Thank you for your consideration. Sincerely, Tuyen Vuong
    vsuc_fltilesrefresh_TrophyIcon Flutter
    NodeJS Framework
    Android
    Blockchain
    AWS Systems Manager
    Elasticsearch
    Solana
    API
    Data Scraping
    React
    Drupal
    Laravel
    PHP
    MongoDB
    CodeIgniter
  • $50 hourly

    • 4.6/5
    • (31 jobs)
    I am an experienced mobile and web applications developer with over 6 years of experience building applications in various domains, including healthcare, social networking, mobility as a service, and news. I believe in creating intuitive and visually appealing designs that are backed by clean and efficient code. I am proficient in a range of programming languages, including Dart, Typescript/JavaScript/JSX, Python, and Java. In addition, I have expertise in mobile frameworks such as Flutter and React Native, as well as web frameworks such as React.js, Angular.js, Flutter for web, and Django. I also have experience working with backend frameworks and SDKs such as Express.js, Spring-boot, Django Rest-Framework, and Firebase. I am known for my ability to adapt to different languages and frameworks and get the job done effectively. I am a friendly and effective communicator, and I have a passion for algorithms. Overall, I am a skilled and versatile developer with a strong track record of delivering high-quality applications. I would love the opportunity to contribute my skills and experience to your team.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    User Authentication
    Chat & Messaging Software
    In-App Search
    Location-Based Service
    Android
    QR & Barcode Scanner
    Map Integration
    iOS
    Firebase Cloud Firestore
    Web Design
    Firebase
    Hybrid App Development
    TypeScript
    React
  • $75 hourly

    • 5.0/5
    • (16 jobs)
    I am a Google Developer Expert in Flutter and Dart, one of 90+ such people that are recognized by Google. I have a Ph.D. in Computer Science from Washington University in St. Louis. I worked as a Software Developer Intern at Google Irvine and had the option to continue to work there. I chose to come back to my beautiful hometown, Izmir, Turkey. I'm an Assistant Professor, teaching Mobile App Development with Flutter and Firebase, Human-Computer Interaction and Game Development with Unity. I provide R&D consulting services to local companies. I was also a remote consultant for Carnegie Mellon University. I have been programming for 25+ years and have a solid understanding of most systems. I try to contribute to libraries that I use. Please check my Github account for my contributions, mostly related to Dart, Flutter and Firebase. I recently founded my own company and have access to high quality local talent. I plan to scale up our operations in the near future. I love a good challenge. Send me your tricky app issues!
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Android SDK
    Game Development
    AngularDart
    C#
    Dart
    Node.js
    Firebase
    Python
  • $75 hourly

    • 5.0/5
    • (13 jobs)
    I develop top-quality mobile & web apps, also working as a UX consultant and IT project manager. I am only satisfied with excellent software — you will NEVER get average work from me. Whatever I do, I put 100% effort into it and always walk the extra mile. The result is apps which users love to use and which meet business goals. What I do: • cross-platform mobile apps in Flutter (iOS & Android, optionally web) • native iOS apps in Swift • web apps in React & Typescript or Flutter Web • project management for mobile or web app projects • UX consultancy, UX audits (just UX, I am not a designer) I am part of Upwork’s exclusive 🏆Expert-Vetted Talent🏆 program, which unites the top 1% of freelancers on Upwork (badge visible to enterprise clients only). Hire a top talent to increases the chances of your business to succeed significantly. What I bring to the table: ✓ 10+ years of combined development, consulting & leadership experience ✓ creative solutions, ideas & improvements ✓ an agile process that lets you stay on top of progress and quality ✓ highest engineering & algorithmic competence ✓ strong work ethics ✓ accountability ✓ truly fluent English and good communication skill ✓ always up-to-date with cutting-edge tech ✓ software engineering master degree at top EU university ✓ member of prestigious Toptal network Have a question, need tech consulting or building an app? Drop me a message!
    vsuc_fltilesrefresh_TrophyIcon Flutter
    In-App Purchases
    User Experience Strategy
    React
    GraphQL
    IT Consultation
    Project Management
    Mobile Apps
    Front-End Development
    Swift
    Mobile
    Android App Development
    Firebase
    iOS Development
    Mobile App Development
  • $30 hourly

    • 5.0/5
    • (3 jobs)
    7+ years work experience in software and test development. Develop desktop application and embedded software. Create automated tests using scripts and other testing utilities. 2+ years experience in building mobile apps using flutter. Create beautiful and responsive screens, integrate RESTFUL APIs, make clean and maintainable codes, manage app states using redux or bloc and provide the best version of the app as possible.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    iOS
    Dart
    Git
    Android
  • $35 hourly

    • 5.0/5
    • (3 jobs)
    HOW CAN I HELP YOU Hello, I'm Emir. I develop mobile application solutions to business owners/entreprenuers. I help you with developing cross-platform, modern and native-looking mobile applications && all sorts of more stuff. When you hire me, you'll be left with clean, modular and non-repeating code (if project requirements allow so). Most developers on Upwork will bring smelly code to the table which at first seems managable but as the project scales it'll be harder and harder to maintain the codebase let alone develop new features. I'll try my best to not be that developer. WHAT TO EXPECT - Receive replies to messages throughout the day. - Voice/Videos conferences periodically, managing the business and strategic problems. - Weekly/Monthly periodic updates and working demos/PoC's - 7/24 support and in-depth conversations about your products and how to improve them.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Mobile App
    Dart
    Firebase Cloud Firestore
    Mobile App Development
    Android
    iOS
    Firebase
    AWS Amplify
  • $80 hourly

    • 5.0/5
    • (16 jobs)
    I have 12 years of experience in mobile app development and 3 years in Flutter development. I have created several MVPs from scratch for various satisfied clients. I use best coding practices in my work, and I write clean and maintainable code. I also provide UX/UI feedback along the way. I usually set up a continuous integration/deployment flow (CI/CD) so that you get instant access to the app's progress and we can iterate fast and efficiently. My preferred projects are the ones that have precise design specs (Figma, Adobe XD) and clear use cases, so I can jump right in and code. --------------------------------- FLUTTER DEVELOPMENT --------------------------------- ✅ In-app purchases, RevenueCat ✅ Maps, location, geocoding ✅ Login with email, Google, Facebook, Apple, phone number ✅ Camera, Gallery ✅ Audio, Video ✅ Firebase, Firestore, Crashlytics, Analytics, Dynamic Links, Cloud Messaging ✅ Push notifications ✅ REST APIs, OAuth ✅ Support and maintenance ----------------------------------- DEVELOPMENT PRINCIPLES ----------------------------------- 👍 I can use any task management software the client prefers 👍 I have very flexible working hours: even during weekends or holidays. I'm always responsive and within reach. 👍 I am obsessed with writing clean code to be easily maintained in the long run. The next developer looking at the code will thank me! 👍 I am meticulous and consider all possible interaction scenarios between the user and the app. I am not a fan of quick hacks but careful consideration of all aspects of the particular feature I need to implement. 👍 Because there are more than 30,000 different Android and iPhone devices available, it is quite a challenge to make sure that the app works as expected on all of them. Drawing on my extensive experience, I know what to look for when writing code to ensure a quality app experience on all types of Android and iPhone devices. Let's get in touch and see if we're a good match.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Firebase Cloud Firestore
    API Integration
    Firebase
    Map Integration
    Dart
    Hybrid App Development
    App Development
    Mobile App
    Mobile App Development
  • $100 hourly

    • 5.0/5
    • (28 jobs)
    With a passion for building beautiful, custom UIs with responsive animations, I help people and companies bring their next big idea to life, on any phone. My areas of expertise include: - Flutter / Dart - Firebase / MySql / SQLite - MobX / BLOC state management - Google maps - Google, Facebook, Email, Twitter, Github, Phone, Apple authentications - Crashlytics, Google Analytics, Admob, Push notifications - Custom widgets and complex animations - In-App purchase, Stripe - Figma, Sketch, Adobe XD resource extraction - BDD, TDD Welcome! Let's have a chat :)
    vsuc_fltilesrefresh_TrophyIcon Flutter
    UI Animation
    JetBrains IntelliJ IDEA
    Mobx
    Test-Driven Development
    GitHub
    Android
    iOS
    Firebase
    Kotlin
    Android Studio
    Mobile App Development
    Smartphone
    Hybrid App Development
    Dart
  • $47 hourly

    • 5.0/5
    • (16 jobs)
    I'm a Brazilian Mobile and WEB Developer. I have experience in cross-platform development using Flutter. It has been my main technology for the last couple of years. Besides Flutter, I have good experience in Web and Android Development, besides basic knowledge of IOS. I'm currently an Upwork Top Rated Plus Freelancer, which means I have a great rating history and success in both short and long-term jobs. When I have to design a mobile app all by myself, I usually will use Flutter to develop the mobile app, NojeJS or PHP to develop the API, and MySql to store data. My first job was as a mobile developer, at Lemon Inteligência (a small company in Brazil), it was where I started using Flutter. While I was working for Lemon, I got a part-time job at upwork.com, as a Flutter Developer, working for an Australian Company. After some time, I decided to quit my job in Brazil and dedicate my time to working with Upwork. Working with Upwork, I've built a new skill set. Now I'm able to design an entire system using AWS, for example. Also, I've got experience with CakePHP, NodeJs, WordPress, best coding practices, teamwork, etc. Although developing mobile apps using Flutter has been and probably will still be my best skill for some time, I'm always keen to learn new technologies and improve my knowledge. I've developed many different types of systems and I'm sure we would do a great job together. I'm available to chat anytime if you would like to ask questions about my skills and/or your project.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Dart
    Mobile App Development
    In-App Purchases
    Hybrid App Development
    API
    iOS
    CakePHP
    MySQL Programming
    Java
    CSS
    HTML
    PHP
    Firebase
    Android
  • $30 hourly

    • 4.9/5
    • (16 jobs)
    Flutter - State management using BLOC - Custom UI - Firebase integrations - API Integrations - Platform specific apis using MethodChannels and EventChannels(Swift and Java) - Testflight, App Store and Playstore release management Firebase - Firestore - Realtime Database - Cloud Functions - Storage - Hosting - Firebase Messaging Front-end Development - Javascript ES6 - Angular - JQuery - Bootstrap - Rollbase - HTML 5 - CSS - SASS Others - Stripe Payments(Connect, Payment, Payouts) - Algolia
    vsuc_fltilesrefresh_TrophyIcon Flutter
    API Integration
    Angular 6
    ECMAScript 6
    ECMAScript
    Firebase
    Web Service
    JavaScript
  • $65 hourly

    • 5.0/5
    • (19 jobs)
    As a highly skilled software developer with a strong track record of serving clients across the United States, I take immense pride in designing responsive and innovative applications. Over the past three years, I have had the privilege of collaborating with clients from diverse industries, delivering exceptional solutions that meet their unique needs. My journey in software development began with earning a bachelor’s degree in Applied Computing from Monmouth University in West Long Branch, New Jersey. This comprehensive education laid the foundation for my expertise in various disciplines within the field, with a particular focus on web and mobile application development. Throughout my career, I have honed my skills to deliver cutting-edge solutions that combine functionality and user experience. My passion for creating seamless, efficient, and user-friendly applications has led to numerous successful projects that have earned high praise from clients and end-users alike. I thrive on challenges and enjoy pushing the boundaries of technology to craft solutions that exceed expectations. My commitment to staying abreast of the latest industry trends ensures that I can offer innovative and forward-thinking solutions that drive business growth and enhance user engagement. I am eager to leverage my experience and expertise to contribute to your next project and deliver outstanding results. Let's work together to bring your vision to life and achieve success in the dynamic world of software development. Looking forward to the opportunity to collaborate with you!
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Android
    Apple Xcode
    API Integration
    Python Script
    Mobile App Development
    Cloud Database
    Hybrid App Development
    Scripting
    Web Design
    SQL
    JavaScript
    WordPress
    Business with 1000+ Employees
    PHP
  • $29 hourly

    • 4.7/5
    • (12 jobs)
    ✅. 6+ Experienced (Flutter | Android | IOS | Web). ✅. Full-time available with any timezone. ✅. Recommended by clients. In 6+ years experience in mobile application development, I worked as Android developer in initial 2 years. Then for past 4 years, I have been working as Flutter developer. I am having good skills on Firebase. I can build Firebase functions using Javascript, and can do work in iOS also for any platform specific work. I have worked on more than 30 projects (Chat, Social media, Video calling, Health monitor, Fitness watch, School management, Office management, e-Commerce, etc.) - Teamwork and good performance as a member and as a leader. - Have experience in BLoC & Cubit, RiverPod, Provider, GetX, and State Rebuilder. - I can do platform-specific implementation easily. I have experience in Android Java, Swift, and Objective-C. - I know PlayStore and AppStore distribution, Flutter web deployment in Firebase. Tools: Jira, Trello, Upwork, Git, Github, Bitbucket, IntelliJ IDEA, Android Studio. ==== Flutter Development Skills ==== • Flutter platform-specific integration (Android with java and iOS with objective-c and Swift). • Firebase auth. • Firebase chat. • Firebase push notifications. • Socket-based chat. • Get Stream. • WebRTC. • Payment gateway integrations. • Flutter Google Map integrations. • Local database (SQLite, Hive, File, and Shared preference). • State management. • Memory management. • API integrations. • Localisations. • Responsive and great UI integrations. • Animations. Work ethics: • Correct time management • Experience in project management • High Scalability of your idea • Quality of the final product • Fulfilment of actual need/demand and maintain long-term client relationship • Customer time-to-value after delivery (Consumability) Programming is not only my job but also my passion. I enjoy facing new challenges and helping clients to build their products.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    API Integration
    Chat & Messaging Software
    Objective-C
    Swift
    Java
    WebRTC
    Flutter Stack
    Hybrid App Development
    Firebase
    Google Maps
    Dart
    Desktop Application
    Ecommerce Website Development
    Mobile App Development
  • $90 hourly

    • 5.0/5
    • (12 jobs)
    I have been a professional programmer for over 20 years. I have worked on a wide variety of projects, from web-based ERP systems to HIPAA-compliant emergency messaging apps for iOS and Android to Electronic Logging Device mobile apps for long haul truckers. I have participated in both the front-end development of apps and web sites, as well as the development and administration of SQL databases, including extensive experience with stored procedures. I look forward to hearing from you about your project.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Mobile App Development
    Dart
    React Native
    iPhone App Development
    Bluetooth
    Objective-C
    Java
    Swift
    SQL
    Android App Development
    iOS Development
  • $50 hourly

    • 5.0/5
    • (5 jobs)
    I am a Senior Backend Developer (Certified Laravel & WordPress & GoLang) with DevOps skills (Certified AWS), currently working with remote contract opportunities. I love to do challenging jobs and learn new technologies every day to improve myself. I have a proven track record of enterprise SaaS product development with high security, availability, and performance. Depending upon the project size and needs I can work myself or delegate it to my team as well. If you are seeking serious web or mobile product development with a high quality of work with fast turn around & at a fair price, please contact me you won't be disappointed. I can help you with effective communication, projects architecture, security, user management, optimization, server administration. I prefer projects from scratch. ***Open for new contacts***
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Back-End Development
    Amazon Web Services
    PHP
    Vue.js
    JavaScript
    WordPress
    Symfony
    Golang
    Laravel
  • $20 hourly

    • 5.0/5
    • (25 jobs)
    Hi, My name is Ijaz khan and I am a Frontend developer with more than 5 years of experience. My skillsets and tech stack include JavaScript, TypeScript, ReactJS, NextJS, and Tailwind CSS. If you are looking for a high-quality frontend developer to convert your PSD designs to responsive HTML, CSS Bootstrap, PSD to ReactJS, orNextJS, then look no further. My services include ✅ PSD to HTML/React ✅ XD to HTML/React ✅ AI to HTML/React ✅ JPG/Sketch to HTML/React ✅ PSD, AI, XD, JPG, Sketch to HTML/React using Bootstrap 4 ✅ Responsive HTML/React website ✅ HTML, CSS, Bootstrap, React bug fixing ✅ Redesign or recreate an existing website I have experience in using NextJS and Tailwind CSS to develop visually appealing and responsive websites. I can convert any PSD, Sketch, PDF, JPEG, or PNG to responsive HTML as soon as possible. Let's work together to create a website that meets your requirements. ⭐️⭐️⭐️⭐️⭐️ Frontend Developer / NFT Website / NFT marketplace / Solidity smart contract / Hyperledger Fabric & Ethereum /Javascript / HTML / CSS / Bootstrap / ReactJs ⭐️⭐️⭐️⭐️⭐️ I have experience in blockchain development mostly on the ethereum blockchain, building cryptocurrencies, erc20 tokens, stable coins,tokens, defi dapps, decentralized exchange, decentralized donation platform, NFT website ,NFT marketplace and much more. I have strong knowledge of solidity, and I keep myself up to date with the latest trends in the defi space. ★Experienced in Web Application, Blockchain, Cryptocurrency, NFT(Non-fungible Token), ★ SPECIALTIES Here are some blockchain skills that I have experience in: ✅ Blockchain development ✅ Solidity smart contract development ✅ DApps (decentralized applications) ✅ NFT (non-fungible token) development ✅ Blockchain architecture design ✅ Smart contract testing and auditing ✅ Ethereum blockchain integration ✅ IPFS (InterPlanetary File System) ✅ Web3.js ✅ Truffle Framework ✅ Blockchain consensus algorithms (e.g. proof of work, proof of stake) ✅ Crypto wallets and exchanges Let me know if you have any questions or if there is anything else I can assist you with.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Smart Contract
    HTML
    Blockchain Development
    Web Development
    Landing Page
    WordPress Development
    PSD to HTML
    Blockchain
    Web Application
    Front-End Development
    Bootstrap
    WordPress
    Shopify
    JavaScript
  • $45 hourly

    • 5.0/5
    • (10 jobs)
    👉🏻 Premium Apps Only 🌟 Founder of Drawely Google Play App +5M Downloads | +70k 4.5/5 Rating. Skilled IT graduate with 6+ years of software development experience and ✅ Creative | understanding | communications | faster | attention to details | premium product | app market consultant ✅ Senior Mobile (Android/IOS) Developer using Flutter ✅ Expert Mobile Architect Flutter (TDD, DDD) } Android (MVC, MVVM) ✅ Publish +50 Apps in my career on Google Play & AppStore ✅ CI/CD to Automate Building and Publishing App to Stores ✅ Unit Testing (Mock) ✅ Worked as a team leader using Agile (Scrum Methodology) with the latest tools (Trello - JIRA - ClickUp - CodeMagic - Git - Slack ..etc) ✅ Made more than 50 Apps on Google Play ✅ App Risk Management ✅ (3 years) So comprehensive to all Google Play | Google Admob (Ads) | Apple Store Policies ✅ UX/UI Mobile Designer and Integrator to Responsive App. ✅ Master of animations ( Lottie Airbnb, iIve, Flutter prebuild animations ) ✅ Flutter State Management (Getx, Provider, Bloc, RxDart, Riverpod) ✅ Firebase (Firestore | +50 A/B Testing | Firebase Notification | Remote Config | NoSQL Database... ) ✅ Push Notifications remotely & locally depending on user behavior, schedules notification, etc... ✅ Solve about +500 critical crashes using Firebase Crashlytics (ex Fabric.io) ✅ Online Mode using Rest API (consume API, handle backend errors in terms of the multi-language app..etc) ✅ Offline Mode using local DataSource ( Hive | SQLite | SharedPref ) ✅ Multi Threads App (Excellent Speed & Stability from the lowest device to the good ones) ✅ Facebook SDK (Analyse Data & Specify Audience Ads...) ✅ 4 years on ASO (App Store Optimization)
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Push Notifications
    Git
    Hybrid App Development
    Trello
    iOS
    RESTful API
    Firebase
    Mobile App Development
    Mobile App Design
    Mobile UI Design
    UX & UI
    Android App Development
    Android
    Dart
  • $25 hourly

    • 4.8/5
    • (88 jobs)
    Hello I'm an experienced Mobile and Web App developer ready to bring your ideas to life. With 50+ projects completed on Upwork and a perfect 5-star rating, I am committed to providing top-quality service every time. Leveraging the latest technologies and industry best practices, I create applications that engage users and enhance their overall experience. Let's work together to develop the perfect app for your business." I work with following technologies and Stacks: 1. Mobile Application Development: I develop Hybrid / Cross-Platform Mobile applications using React Native CLI / EXPO , REDUX. Flutter / Drat . I develop Native Mobile Applications using: iOS (SWIFT), Android JAVA - Kotlin. PWA/progressive Web Application (React.JS). 2. Web Application Development: Full Stack Development, Front-end Development, Back-end Development. MVP Development, SaaS development, Multitenancy Product Development. E-commerce, Social media Websites etc Front End Development: TypeScript, React.js, React remix, vite.js, Next.js, Vue.js, Nuxt.js, TailwindCss Back end Development: Python (Django / flask / FastAPI ), PHP (CodeIgniter / Laravel), Node.js (typescript), Express.js, Nest.js, fastify 3. Database: MongoDB, MySQL, PostgreSQL, SQLite, Amazon Redshift, MariaDB, AWS dynamodb, aurora postgresql 4. Website Designing: HTML5, CSS3 using Bootstrap. Material UI, Ant Design Library, TailwindCss 5. Others: such as bit bucket, GitHub, Firebase, Websocket / socket.io , Redis, nginx, EC2 , S3, RDS, Route53, EBS ( Elastic block store ), Cloud Front, IAM Identity center, Security Groups 6. API / WEB SERVICES Implementation: I have worked with several industry Specific API, SALESFORCE API, Crypto coins payment gateway API STRIPE API HOTELS & FLIGHT BOOKING API Shipping Companies API such as: DHL , UPS, FedEx GOOGLE MAPS API GOOGLE CALENDAR API ZOOM API AGORA.IO chargebee API duffel api MLS grid API Facebook Graph API Instagram Graph API Twitter API mada payment gateway api myfatoorah Api I have experience working on projects across diverse domains, some off them are listed here under. 1. Asset management system: Web Application and Mobile Application for iOS and Android. 2. Location live tracking and WiFi data scanning: Web Application and Mobile Application for iOS and Android. 3. Habit tracking Mobile Application for iOS and Android. 4. Retreat and hotel booking engine: Web Application. 5. Ticket booking system with live seat selection: Web Application. 6. Internet Service plan management system: Web Application and Mobile Application for iOS and Android. 7. Shipping container calculator: Web Application. 8. Mobile application for managing important documents. 9. Job board mobile application and Web Application. 10. SaaS for Hospital care and homecare companies: Web Application and Mobile application. 11. Compliance checking and license management: Web Application. 12. Group chat mobile application. 13. Courses booking system: Web and mobile application along with scheduling system. 14. SaaS for project management and task management. 15. Boutique hotel and retreat website designing. 16. Equipment rental e-commerce website development. 17. Event posting and chat system: Mobile Application development. 18. E Greeting: Custom greeting e-commerce website and Mobile application development. 19. Bible reading mobile application development with subscription system, Apple and Google Pay. 20. Dummy Flight and hotel ticket booking website for Visa applications. 21. SaaS for creating surveys and managing user responses. 22. Real estate website development with MLS grid integration. 23. SaaS for companies managing work assignment, customer invoicing, and task calendar. 24. Food delivery Mobile application. 25. Facebook Graph API, Instagram Graph API, Twitter API, and LinkedIn API data management. 26. PDF annotation and assignment Web App. 27. Dating website development. 28. Classified listing website development. 29. Travel deals e-commerce website 30. Grocery delivery mobile application development. 31. E-commerce website for selling fine wines. 32. CV and resume creation web application. 33. Employee Payroll management web application. 34. Loan management system web application. Please send a message OR Invite me to your job so we can schedule a zoom meeting.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Mobile Apps
    Web Design
    Laravel
    Django
    Website Development
    Mobile App Design
    PHP
    Python
    iOS Development
    React
    React Native
    API Integration
    Mobile App Development
    Node.js
  • $20 hourly

    • 5.0/5
    • (7 jobs)
    A versatile and professional software engineer with experience in developing innovative and creative software solutions. I am a UI designer, front-end, and mobile developer capable of carrying out straightforward design, implementation, and testing solutions. Why choose me? 1. I am a professional who can play different roles on a project 2. I have substantial experience in UI/UX design. I can sketch and implement a system in a very short amount of time 3. I have a good amount of experience as a developer. I've been a part of various startups as a UI designer and developer. My areas of expertise are: ✔ Mobile Application Development (Android) ✔ UI/UX Design ✔ Front-End Web Development ✔ Telegram Bot Development (Telegraf) ✔ Lottie Animations
    vsuc_fltilesrefresh_TrophyIcon Flutter
    High Fidelity Design
    Journey Mapping
    Web Design
    User Flow
    Figma
    Responsive Design
    User Research
    Mobile App Design
    Mobile UI Design
    Animation
    Brand Guidelines
    React
    Website Design
    UI/UX Prototyping
  • $25 hourly

    • 5.0/5
    • (2 jobs)
    I am a highly-skilled System Architect and DevOps expert with more than 14+ years of professional experience starting from 2004. My skills and interests are: 1. Project Management 2. Linux System Administration 3. MySQL (including Optimization) 4. PHP Web Programming (Framework: CodeIgniter, Laravel, Yii) 5. Flutter based Mobbile App Development. I am Agile Practitioner. I have built products from Scratch. English Fluency is very good, would like to do online meeting using Zoom, Skype or Google Meet
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Database Architecture
    Database Design
    Ecommerce Website
    Amazon Web Services
    iOS
    Linux System Administration
    Laravel
    WordPress
    CodeIgniter
    JavaScript
    PHP
  • $27 hourly

    • 5.0/5
    • (15 jobs)
    My current focus is developing mobile apps using [Flutter]. With Flutter since [beta]. ✅ 10+ Flutter apps from scratch to upload ✅ Worked on features: chats, messaging, video calls, audio calls, maps, geolocation, BLE, notifications, scanning, custom animations, sliders, in-app purchases, Modbus. ✅ Worked on apps: BLE apps, travel apps, stores, dating apps, to-do lists, social games, IoT, money keeper, video streaming. ✅ Can use as backend: Firebase, Appwrite, AWS Amplify, WordPress, any custom backend. --- Looking forward to the [interview].
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Location-Based Service
    Hybrid App Development
    Adobe XD
    SQLite
    React Native
    Firebase
    AWS Amplify
    Android
    iOS
    Material Design
    Dart
  • $60 hourly

    • 4.7/5
    • (45 jobs)
    ✅ Upwork Top Rated Plus & Verified Mobile Developer As an expert developer with 10+ years of experience in mobile application development, one of my most-respected qualities is the ability to find solutions to any problem. In addition, I am committed to open and ongoing communication with my clients, as this is key to every successful project. All of my projects have contributed to the growth and development of my clients’ businesses and significant increases in their profits. Android Skills: Kotlin, Java, RxJava, Dagger2, ButterKnife, LiveData, DataBinding, Room, OKHttp, Retrofit, Volley. Flutter Skills: Bloc, Riverpod, Go Router, RxDart, GetIt, Pusher, Stacked, Dio, Mobx My advantages: • World-class quality and experience • 24/7 support • Bug-free guarantee through comprehensive testing • Timely delivery • Scalable and clean architecture • 100% money-back guarantee
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Firebase
    Android App Development
    Java
    Kotlin
    iOS Development
    Dart
    NFC
    Smartphone
    Objective-C
    Swift
    Android
  • $45 hourly

    • 4.9/5
    • (24 jobs)
    1️⃣ Quick intro ⚡️ ✅ More than 6 years of experience in Mobile App Development. (Flutter and Native) ✅ More than 3 years of Experience with Flutter. ✅ Leading development teams in Startups for the last 3 years. ✅ Awesome Flutter tips (More than 2.7K ⭐️ in Github and 100K+ page reads) and multiple Open source Flutter Plugins. ✅ A big-time fan of Clean readable codebase, reactive programming, composable UI, TDD, immutable data, single source of truth, and extensive async communication in both team and codebase. ✅ Academically, a Computer Engineer and currently doing an MBA. Taught various Computer Engineering Courses to University Engineering Students. ✅ Leading Mobile Teams at Greenplay (Fitness and Sustainable Transportation) and YellowQ ( ERP with state of art dynamic Mobile App). ✅ Visit erluxman.com github.com/erluxman or search “erluxman” on google to know more about me. 2️⃣Flutter and Dart 🎯 ✅ Expert on Dart language, Flutter Framework, design patterns and Algorithms, and Native Code in Android and iOS. ✅ Architecture backbone libraries: RxDart, MobX, Bloc, get_it, injectable, Riverport. ✅ Beautiful and responsive design and animations. ✅ Background services, Isolates, hardware, sensor, in-app purchase, social media integration. ✅ Dio, Retrofit, Cloud FireStore, Fake Datasource for data and API consumptions. ✅ Highly efficient Location tracking, geolocation, map integration. ✅ Firebase Auth, Firebase Firestore, Firebase Storage, real-time database, Cloud functions, dynamic links, ✅ Firebase analytics, push notifications, Crashlytics integration, Ads. ✅ CI and CD using Github Actions, CodeMagic, Fastlane. ✅ Hire, Mentor, Train, and Lead Flutter Engineers. ✅ Flutter Projects and blogs in github.com/erluxman and erluxman.com ✅ 5+ Flutter apps from Scratch to App Stores. 3️⃣ Android 🤖 ✅ Expert on Java and Kotlin language, Android SDK), design patterns and Algorithms and Native Code in Android and iOS. ✅ In depth understanding of Fundamental Build Blocks of Android Development (Android Activities, Fragments, Services, Content Providers, Broadcast Receivers, Build System). ✅ MVP / MVVM / MVI / Clean Architecture (Mobius/Mosby). ✅ DI(Dagger/Hilt/Koin) and service Locator. ✅ Android Jetpack (Work Manager, LiveData, Paging, Navigation, ViewModel, Work manager, AppCompat, KTX). ✅ Beautiful, Highly responsive and customizable UIs, Beautiful custom UI and pleasing animations with Jetpack Compose and Material Design. ✅ Background services, Rx(Java/Kotlin), Coroutines, Work Manager, Camera, sensor, in-app purchase & payment, social media integration. ✅ SQLite, Realm, Room, Firebase. ✅ REST APIs, GraphQL & Web services (Retrofit / volley / Apollo /AWS Appsync).= ✅ Unit, UI & Integration testing (JUnit/Mockito/Robolectric/Espresso). ✅ Gradle(Kotlin & Gradle), CI / CD ( Github Actions/ BitRise /CircleCI/FastLane) and ASO. ✅ Firebase: Auth, Firestore, Storage, realtime DB, functions, dynamic links, Analytics , Push notifications, Crashlytics, Ads. ✅ Google maps, MapBox, and location-based applications. ✅ Audio/Video playback & streaming. (Wowza/Youtube/ExoPlayer). ✅ On device machine learning with TensorFlow Lite. ✅ Other Libraries like LeakCanary, Epoxy, AWSCognito, GSON , FlexBox, Timber, Stetho, Picasso, Glide, ButterKnife, EasyPermission, RxLocation, RxNetworking, AutoDispose, AndroidJob, TrueTime and more requirement based ones. 4️⃣Why hire me❓ ✅ A curious, collaborative, honest, and self-motivated Software Engineer who can communicate timely and effectively. ✅ More than 15 Happy clients ❤️ and 5K billed hours 🕐 on Upwork. A Top Rated Plus Freelancer ⭐️ with 100% Job success Rate 💯. ✅ Experience across domains like EdTech, FinTech, Healthcare, Machine Learning, Enterprise Solutions, MIS, Social Media, Productivity, Consumer-facing Products, Fitness, Banking, sustainable Habits development and with more than 1M+ combined downloads. ✅ Delivers fast, robust & well-designed Software with well-architected, readable, clean, testable & scalable codebases. ✅ Truly believes the only way to be a successful engineer is to help build successful projects. Because just thinking like a coder isn’t enough, I try to put myself in the shoes of the project owner. ✅ 🤔Seems like a person you were looking for❓ Let’s connect 🤝, I would be happy even just for idea exchange and experience sharing and free feasibility analysis and basic consulting.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Database Design
    iOS Development
    Android App Development
    Dart
    Firebase Cloud Firestore
    Hybrid App Development
    Camera
    In-App Purchases
    Spring Framework
    HTML5
    Firebase
    Review or Feedback Collection
    Java
    Kotlin
  • $35 hourly

    • 5.0/5
    • (81 jobs)
    Deadlines are my biggest priority. Over the last 11 years, I have developed a wide range of websites and mobile apps using Angular, Ionic Framework, WordPress, PHP. I have experience in following frameworks and technologies: Apache Cordova AngularJS IONIC Framework Firebase Firebase Functions MEAN Stack Development Responsive Web Development PSD to HTML5 Conversion Rest API Integration Strip Payment Gateway Integration Amazon Web Services(AWS) Worked on Internet Of Things (IOT) Mobile App. WikiJS Play Store & App Store app upload Core PHP and Wordpress CMS Database : Sqlite, WebSql, Mysql Twitter Bootstrap Google Maps & API's Push Notifications (iOS and Android) Location Based Apps Travel Guide Apps Social Apps Full knowledge of Trello, Github, Bitbucket
    vsuc_fltilesrefresh_TrophyIcon Flutter
    HTML
    Mobile App Development
    iOS Development
    HTML5
    Android App Development
    TypeScript
    Apache Cordova
    PHP
    AngularJS
    Node.js
    Ionic Framework
  • $63 hourly

    • 5.0/5
    • (25 jobs)
    I am a mobile and web developer with over 10 years of experience. Currently, I'm specializing in mobile development (both native and cross-platform), but I was working as a frontend and backend developer as well, so I know the development process from each side. I'm working as a Head of Mobile Development, so creating the architecture, code reviewing, mentoring, and integrating best practices is a part of my everyday job. Currently, I'm mainly interested in Flutter. I have experience developing and maintaining an app in Flutter that is running in production for more than a year and wrote a number of articles about it. If you need help with defining the right architecture for your mobile app (both from back-end and front-end sides) or looking for a mentor / code reviewer, I can help you with that.
    vsuc_fltilesrefresh_TrophyIcon Flutter
    Android
    iOS
    Dart
    Swift
    Kotlin
    iOS Development
    Mobile App Development
    Android App Development
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How to Hire Top Flutter Developers
 




How to hire Flutter developers




Imagine writing code once that will run with native performance on iOS, Android, Fuchsia, desktop, and the web? Flutter allows developers to do just that. While some API development will still be required for each platform, the amount of custom code required for cross-platform development is greatly reduced.


So how do you hire Flutter developers? What follows are some tips for finding top Flutter consultants on Upwork.








How to shortlist Flutter professionals




As you’re browsing available Flutter consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:


    

  • Industry fit. You want a Flutter developer who understands your industry so they can help you figure out how best to reach your target market.
    • 

  • Project experience. Screen candidate profiles for specific skills and experience (e.g., using Flutter with Android devices).
    • 

  • Feedback Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular Flutter developer.
    • 









How to write an effective Flutter job post




With a clear picture of your ideal Flutter developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project.


An effective Flutter job post should include:


    

  • Scope of work: From building reusable widgets to cross-platform apps, list all the deliverables you’ll need.
    • 

  • Project length: Your job post should indicate whether this is a smaller or larger project.
    • 

  • Background: If you prefer experience with certain technologies or developer tools, mention this here.
    • 

  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.
    • 



Ready to build cross-platform performant apps for mobile, desktop, and web? Log in and post your Flutter job on Upwork today.










FLUTTER DEVELOPERS FAQ




What is Flutter?




Flutter is a UI (user interface) toolkit for building natively compiled cross-platform apps from a single codebase. Developed by Google, the Flutter toolkit uses Dart, Google’s Skia graphics library, and C++.


Here’s a quick overview of the skills you should look for in Flutter professionals:


    

  • Flutter
    • 

  • Software development (e.g, mobile, web, desktop)
    • 

  • Programming languages Dart and C++
    • 









Why hire Flutter developers?




The trick to finding top Flutter developers is to identify your needs. Is your goal to save time on a cross-platform launch by building your app with a single codebase through Flutter? Or are you trying to build a modern mobile app that will run on Google’s Fuchsia OS? The cost of your project will depend largely on your scope of work and the specific skills needed to bring your project to life.








How much does it cost to hire a Flutter developer?




Rates can vary due to many factors, including expertise and experience, location, and market conditions.


    

  • An experienced Flutter developer may command higher fees but also work faster, have more-specialized areas of expertise, and deliver a higher-quality product.
    • 

  • A freelancer who is still in the process of building a client base may price their Flutter development services more competitively.
    • 



Which one is right for you will depend on the specifics of your project.








 

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