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4.8/5
based on 2,115 client reviews
  • $35 hourly
    🏆 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 ✅ Beacon/Bluetooth/sensor connect ✅ AWS Appsync Graphql, Graphql apollo API, REST. ✅ Amazon Amplify, Firebase (authentication, database, analytics, notifications and etc.) ✅ SDK (Maps, Ads, Youtube, In-app Billing, Telematic SDK and etc.) ✅ Online payments (Stripe, Revenue Cat) ✅ 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, Azure devops, github action) 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. I am interested in both tech and business development. I am only available for 6-month+ projects, my focus is to support potential business.
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    Desktop Application
    CI/CD
    Bluetooth Beacon
    Amazon Cognito
    AWS AppSync
    AWS CodePipeline
    Push Notifications
    Dart
    Mobile App Development
    Firebase
    GraphQL
    Flutter
  • $30 hourly
    I am a Full-stack developer with 8+ years of full-time enterprise development experience ranging from working in Front-End development to Back-End development to Database Engineering. I have experience in both mobile and web development and have worked in a couple of big software firm in my job life. Now I am interested about working as a full time freelancer. Technical Skills • 10+ years of professional experience in PHP and JavaScript. • 5+ years professional experience in mobile app development • 4+ years professional experience in ruby on rails • 4+ years professional experience in laravel framework. • 2+ years professional experience Flutter App Development. • 2+ years professional experience Vue js. • 3+ years professional experience react and node js. • Experience in nuxt.js and inertia.js. • Experience in unit php testing. • Excellent knowledge of developing web services and relational databases • Experience in common third-party APIs • I always to follow the best coding practices • I always like to take new challenge and solve the critical problem • Good in managing time and organising tasks
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    unittest
    Tailwind CSS
    Web Development
    Nuxt.js
    Database Design
    Vue.js
    API Development
    Laravel
    React
    Node.js
    Dart
    MySQL
    Flutter
    PHP
    JavaScript
  • $15 hourly
    I'm a Flutter developer of mobile applications of both IOS and android with firebase. I can develop an accurate UI as provided in design by UI/UX designer.
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    Object-Oriented Programming
    Firebase
    Dart
    Java
    Mobile App Development
    Flutter
  • $90 hourly
    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.
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    Flutter
    React Native
    iOS Development
    Android App Development
    Mobile App Development
    Swift
    Objective-C
    Bluetooth
    Dart
    Java
    SQL
  • $35 hourly
    I've been developing mobile applications using Flutter since 2020 (creating from scratch, redesigning, bug fixing, deploying). I also did web development in 2012-2018.
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    RESTful API
    Figma
    Clean Architecture
    Git
    Android
    GraphQL
    Firebase
    Flutter
    Dart
    iOS
  • $46 hourly
    I am a tech enthusiast and Software Engineer with +7 years of experience in several fields. - Front-end experience: Flutter, Angular, HTML, CSS, Android - Back-end experience: Firebase, Java, Node.js, C#, Ruby on Rails I am the co-founder of a Flutter Agency (SmartUp Software) in which we provide custom software development and staff augmentation services, having developed and deployed 10+ apps/webs. I developed an award-winning social project called "Berrinche" whose main purpose is to help parents and therapists of those with ASD to discover the causes of disruptive conduct and how to treat them.
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    pandas
    Microsoft Power BI
    Python
    Dart
    In-App Search
    Node.js
    Ruby on Rails
    CSS
    HTML
    Java
    C#
    Android
    Angular
    JavaScript
    Flutter
  • $70 hourly
    🏅> Upwork Expert-Vetted (top 1%) and Top Rated. 🖥 > 7 years of experience in software development. 📱 > 3+ years in Hybrid Mobile App development with Flutter. 💻 > 4+ years in full-stack development using Java, React, Firebase, and AWS. 🎓 > MSc degree in Computer Science. Key Skills: Flutter, Firebase, Javascript, Typescript, React, Java Hi, I am a software engineer. My goal is to deliver the product as a whole, that's why I've chosen the path of a full stack developer. During my seven-year career, I worked both for startups and large enterprises. I had a chance to contribute to enterprise-level business critical systems participating both in backend and frontend development. Now I am focused on building full-stack mobile applications with Flutter. ⭐ MOBILE - Flutter, BLoC, MobX, Provider, GraphQL ⭐ FRONTEND - React, Redux, HTML, CSS, JavaScript, TypeScript, Webflow ⭐ BACKEND - Java, Spring, Node.js ⭐ TESTING - Jest, Mockito, Flutter Driver ⭐ DATABASE - Mongo DB, Firestore, MySQL, Oracle ⭐ CLOUD - Firebase, AWS ⭐ CMS - Contentful, Strapi
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    Front-End Development
    AWS Lambda
    Google Cloud Platform
    JavaScript
    iOS
    Java
    Android
    TypeScript
    Firebase
    AWS Amplify
    React
    Mobile App Development
    Spring Framework
    Flutter
    Dart
  • $20 hourly
    I have a substantial learning curve that allows me to continue other developer jobs or unfinished projects.  Familiar with backend Api using firebase or JSON REST API. Experienced worked both individually or in a team using Jira, Notion, CI/CD tools, and Github. Feature Developed in Flutter (Using various state management bloc, provider, stacked): 1. Data stream integrations from firebase using auth, functions, configs, firestore, and storage 2. Stripe Payment integrations (CC, grabpay) 3. Popular Indonesia payment gateway (midtrans to support gopay/shopee) 4. Chat Feature 5. Online Shopping Feature 6. Social media feature (comments, like share, follow) 7. Twillio chat and video room 8. Geolocation and map feature 9. Image manipulation 10. Real-time chat and voice using the agora 11. In APP purchase I have developed some production Apps. You can see my work detail in the portfolio.
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    Android App Development
    iOS Development
    Mobile App Development
    In-App Purchases
    User Authentication
    Android
    Firebase
    Hybrid App Development
    Flutter
    Agile Software Development
    RESTful API
    Dart
    JavaScript
    CSS
    jQuery
  • $40 hourly
    ChatGPT API Flutter web Firebase Functions Cloud Firestore, Push Notifications Firebase Authentication, Analytics, Crashlytics, AdMob, Dynamic Links, Remote Config OpenAI API IMAP, SMTP === Flutter major skills and experiences === Flutter UI(layouts), Firebase, Bloc, Provider, Localizations, Animation, Notification, Unit/Widget/Integration/e2e tests, CI/CD with GitHub Action, Hive, Encrypt, Sentry, AppsFlyer, EasyLocalization Libs: Realm, Realm Cloud, Twilio SDK, Stripe, Mapbox, AirWatch SDK Apps: Finance, Fitness, Delivery, Bitcoin, E-commerce(WooCommerce), E-learn, Social network(Vide/Audio calls and text messages) apps === Android major skills and experiences === Tools: java, kotlin, Android SDK, Android Studio IDE, Git, Jira, Redmine, Slack MVP, MVVM, LiveData, Room, SQLite, DataBinding, ViewModel, Retrofit, RxJava, Firebase (Crashlytics), Push-notification (GCM, FCM, etc. ), Hilt, Dagger, unit and instrumental tests === iOS major skills and experiences === Tools: Swift, obj-c, Xcode, TestFlight SwiftUI, MVC, VIPER, Firebase(Crashlytics), AFNetworking, CoreData, Push-notification, SDWebImage
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    Apple Xcode
    Flutter
    Push Notifications
    Android App Development
    Firebase
    Swift
    Firebase Cloud Firestore
    In-App Purchases
    Dart
    iOS Development
    Android
    Kotlin
    Mobile App Development
    Hybrid App Development
  • $25 hourly
    I am an experienced iOS and Android , Flutter app developer with having over 5 years of experience helping clients design and build high-quality mobile apps. I've developed and updated dozens of successful applications for clients in a many types of industries, ranging from startups to Fortune 100 companies. ★Technologies★ - iOS: Swift, Xcode , Storyboard , Xib , Sqlite, Realm, Firbase, Parse Sdk. - Android: Java, Android Studio, XML,,sqlite, realm,firbase,parse sdk. - Hybrid / Cross-platform: Flutter ,Dart , Firbase , Parse Sdk. ★Backend★ - Node.js, Express.js,nest.js. ★Databases★ - GraphQL, MongoDB, MySQL . ★Cloud Services★ - Firebase, Heroku Scrum / Agile ★Environments★ - Github, Bitbucket, Gitlab, Jira, Trello, Asana ★Software Architectures★ - MVP, MVC, MVVM , Solid principles I'm hard worker and well organized, passionate, honest, and I love my job. Please feel free to contact me to discuss how I can help!
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    Hybrid App Development
    Native App Development
    Mobile App Development
    Model View ViewModel
    Android
    Vue.js
    Vuex
    Dart
    Firebase
    Swift
    JavaScript
    Web Services Development
    iOS Development
    Flutter
  • $75 hourly
    I have a Bachelors of Science in Computer Science from James Madison University with two minors in Physics and Mathematics. I have 3 Amazon Web Services certifications. Full Stack Developer. Expert in the Flutter framework for mobile platforms and well versed in API development.
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    Raspberry Pi
    Rust
    Dart
    Microsoft Windows
    Node.js
    Android
    JavaScript
    Linux
    Golang
    Kotlin
    MySQL
    Flutter
    Python
    C
    C++
  • $25 hourly
    Highly motivated Sr. Mobile Application Engineer with around 4 years of experience in Flutter with a demonstrated history of working in mobile and web application development and information technology. Proven ability to interface with customers, understand product requirements, and design proof of concept prototypes. Previously worked both independently and as part of a team, and in past roles, have developed good organizational skills with excellent attention to detail. Understand the value of time and customer satisfaction. Skilled in Android/iOS & web App Development, Firebase, Git, REST, and many more.
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    Web Application Development
    CI/CD
    Git
    App Development
    iOS Development
    Mobile App Development
    Android
    iOS
    Android App Development
    Flutter
    Dart
    Firebase
    Hybrid App Development
  • $40 hourly
    Oct 2018 - Today: Flutter . Dart . Firebase . Google Cloud . PostgreSQL/SQLite . Linux 2018 - Oct 2018: React . D3 . Dart . Flutter . Firebase 2015 - 2018: ES6 . React . Redux . Context API . D3 . Node 2014 - 2015: JavaScript . React . Redux . Python . Django . MongoDB 2010 - 2013: Java . GWT . Oracle Certified Programmer for the Java 2006 - 2008: PHP . JavaScript . MySQL . Linux . Gentoo . ArchLinux
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    Linux
    iOS
    Android
    PostgreSQL
    Firebase
    Mobile App Development
    Tablet
    iPadOS
    Chat & Messaging Software
    Firebase Cloud Firestore
    Flutter
    Dart
    Location-Based Service
  • $50 hourly
    𝗛𝗶, 𝗜'𝗺 𝗥𝗮𝘇𝗮。 𝗜 𝗵𝗮𝘃𝗲 𝟰 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗶𝗻 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁。 𝗜𝗳 𝘆𝗼𝘂 𝗮𝗿𝗲 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗜𝗢𝗦 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 𝗼𝗿 𝘄𝗲𝗯 𝗖𝗠𝗦 𝘂𝘀𝗶𝗻𝗴 𝗙𝗟𝗨𝗧𝗧𝗘𝗥, 𝗬𝗼𝘂 𝗮𝗿𝗲 𝗮𝘁 𝘁𝗵𝗲 𝘃𝗲𝗿𝘆 𝗿𝗶𝗴𝗵𝘁 𝗽𝗿𝗼𝗳𝗶𝗹𝗲。 𝗪𝗵𝗮𝘁 𝗰𝗮𝗻 𝗜 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝘄𝗶𝘁𝗵? ✅ 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗮𝗻𝗱 𝗜𝗢𝗦 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 ✅ 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗔𝗽𝗽 𝗕𝘂𝗴 𝗙𝗶𝘅𝗶𝗻𝗴 ✅ 𝗖𝗼𝗻𝘃𝗲𝗿𝘁 𝘅𝗱 𝘁𝗼 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗨𝗜 ✅ 𝗖𝗼𝗻𝘃𝗲𝗿𝘁 𝗙𝗶𝗴𝗺𝗮 𝘁𝗼 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗨𝗜 ✅ 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗪𝗶𝗱𝗴𝗲𝘁𝘀 ✅ 𝗘𝘅𝘁𝗲𝗻𝗱𝗶𝗻𝗴 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗔𝗽𝗽 ✅ 𝗔𝗱𝗱𝗶𝗻𝗴 𝗡𝗲𝘄 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗬𝗼𝘂𝗿 𝗔𝗽𝗽 𝗠𝗮𝘆 𝗜𝗻𝗰𝗹𝘂𝗱𝗲:- ✅ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 ✅ 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝘃𝗲 𝗔𝗽𝗽 𝗨𝗜。 ✅ 𝗕𝗲𝗮𝘂𝘁𝗶𝗳𝘂𝗹 𝗗𝗲𝘀𝗶𝗴𝗻 𝗔𝗻𝗱 𝗦𝗼𝗹𝗶𝗱 𝗨𝘀𝗲𝗿 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲。 ✅ 𝗪𝗲𝗯𝘀𝗶𝘁𝗲 𝘁𝗼 𝗔𝗽𝗽 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗶𝗼𝗻。 ✅ 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀。 ✅ 𝗚𝗼𝗼𝗴𝗹𝗲 𝗠𝗮𝗽𝘀 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 ✅ 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲 𝗔𝗱𝗺𝗼𝗯, 𝗨𝗻𝗶𝘁-𝗮𝗱𝘀 ✅ 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 ✅ 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 ✅ 𝗟𝗼𝗰𝗮𝗹 𝗡𝗼𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀。 ✅ 𝗣𝘂𝘀𝗵 𝗡𝗼𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀。 ✅ 𝗡𝗮𝘁𝗶𝘃𝗲 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲。 ✅ 𝗠𝗮𝗽 𝗡𝗮𝘃𝗶𝗴𝗮𝘁𝗶𝗼𝗻 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 ✅ 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻。 𝗗𝗲𝘀𝗶𝗴𝗻 𝗣𝗮𝘁𝘁𝗲𝗿𝗻:- ● 𝗠𝗩𝗩𝗠 𝗦𝘁𝗮𝘁𝗲𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁:- ● 𝗣𝗿𝗼𝘃𝗶𝗱𝗲𝗿 ● 𝗦𝘁𝗮𝗰𝗸𝗲𝗱 ● 𝗥𝗶𝘃𝗲𝗿𝗽𝗼𝗱 ● 𝗚𝗲𝘁𝗫
    vsuc_fltilesrefresh_TrophyIcon DART
    API Development
    RESTful API
    Payment Gateway Integration
    Mobile App Development
    Android App Development
    Payment Functionality
    API Integration
    Location-Based Service
    Angular
    Push Notifications
    TypeScript
    Flutter
    Firebase
    Dart
    iOS
  • $26 hourly
    🔵 Weekly Loom Reports for all Clients 🔵 Top Rated for Full-Stack Web Development 🔵 >85% Job Success Score Hi - I build and integrate business solutions with the GPT-3.5, AutoGPT, Pinecone and DALL-E model. Past / Current clients have used it to: - build custom knowledge bases for their website - generate low-carb recipes based on user input ingredients - train new models based on GPT-3 - create a "pro-version" of Siri / Google Assistant by adding voice capabilities to chatGPT. --- With that, if you have a business idea / an MVP and would like to further develop with chatGPT / DALL-E, feel free to reach out! Companies like Lensa are using AI to make millions per day, so we know that demand is very high across the world. Users / Businesses WANT your app!! So, let's build your idea up and share it with the world - together! --- Since I started programming, I focused on: Languages: - Python - Dart - Java - Geb Frameworks: - Tensorflow (Machine Learning) - SpaCy (AI Model Training) - Flutter (iOS & Android App Development) - Flask (Web Applications) - Django (Web Applications) - Pandas (Data Science) - Selenium (Web Automation) - Groovy (Web Automation) - Beautiful Soup (Data Scraping) - Scrapy (Data Scraping) Backend: - Firebase - Firestore - MySQL Tools: - Amazon Web Services (Lambda, RDS, ECS, ECR) - Docker --- Past Projects: - Real Estate Rental App: Allows Users to schedule viewings with Agents. By scraping their data from an existing Telegram group, it significantly reduces the friction to migrate to the app platform. -> Used Flutter, Firebase, Selenium, Python. - Facebook Ads Automation Web App: niched down on large interest groups to come out with Affinity Audiences. Calls the Facebook API to run ads after. -> Used Selenium, Python, Docker, AWS, and Flutter. - App Store Optimization App: helping developers rank higher in search results so that the probability of monetizing gets higher. -> Used Selenium, Python, Docker, AWS, and Flutter. - Coverage Automation for Telekom Malaysia: automated Coverage Checking of Internet Packages. Cut employee costs by 30%. -> Used Selenium, Docker, AWS, and Python. - Scraper for Lead Gen: scraping usernames from YouTube, Steam, and Google Play Store to form email variations, and return validated emails. -> Used Scrapy, Selenium, BeautifulSoup, and Python. - Dinosaur Rogue-like Game: a simple rogue-like game just like "A Dark Room". -> Used Java & the game driver of Star Wars. - Scraper for Job Listing: to recommend relevant job listings to web visitors. -> Used Groovy & Geb. --- I always love seeing my code deployed in applications that help users - all over the world. It just makes me feel like I built something that's worthwhile. With that, feel free to reach out if this meets your needs!! - hans.
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    API Development
    Firebase
    Product Development
    API Integration
    Hybrid App Development
    Cloud Database
    Mobile App Development
    Flutter
    App Development
    Full-Stack Development
    MySQL
    Amazon Web Services
    Dart
    Python
  • $20 hourly
    ⭐️ "Shamsudeen is highly skilled in software development and a great person to work with. He has strong communication skills and is great technically in understanding project requirements and developing software that meets the given criteria." I am an expert Flutter and iOS developer. I have worked as a mobile developer both full-time and as a freelancer in: ✔️ The Fintech Industry - Five Salts Private Limited, Pandascrow Inc. ✔️ The E-commerce Industry - Quertiel Corp My goal is your complete satisfaction with regards to your business or project by being more than just an app developer, but having a business-oriented mind, helping you minimise costs and increase conversion rates in your project. I achieve this through good and timely communication and impeccable technical skills. ⭐️ What I can do for you: ✔️ Build a solution-oriented mobile app for your business, made either for internal use or targeted to other businesses or consumers ✔️ Maintain and Fix Issues in your mobile app built with Kotlin or Flutter ✔️ Offer consultancy services for the tech aspects of your business I am an expert poised and solution-oriented Mobile Engineer with 2+ years of experience working professionally in a variety of dynamic and fast-paced settings. ⭐️ Technical experience includes: ✔️ Building native Android applications with Kotlin ✔️ Building Hybrid / Cross-Platform (Android & iOS) applications using Flutter ✔️ Developing and consuming APIs and tools to ease the development and management of products ✔️ Integrating SQL / NoSQL databases into mobile and web applications ✔️ Developing the backend of systems using Node.js ✔️ Languages include; Dart, Kotlin, Java, Javascript, and Python. ⭐️ Soft skills include: ✔️ Ability to learn and adapt in a fast-paced environment ✔️ Native English speaking and communication skills ✔️ Ability to manage a team and work with little or no supervision required My skills have given me unique opportunities such as being allowed to mentor in the Andela Learning Community for the Google x Andela Developer scholarship in Android development. I am more than just a developer, I communicate and listen clearly so as to understand my client's needs so I can help build a business result-oriented product and not just a product that works on the engineering side of things.
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    iOS Development
    Hybrid App Development
    App Development
    Flutter
    Android App Development
    Mobile App Development
    Android Studio
    Firebase
    MongoDB
    Dart
    Java
    Kotlin
    Node.js
  • $40 hourly
    I have 9 years of experience in software development and 4 years in Flutter development. I have built around 12 MVPs and complete apps from scratch for various satisfied clients. I enjoy building exceptional, pixel perfect Flutter apps. I have worked with both small and large companies to create mobile and web products using Flutter. 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. Check out my GitHub to view screenshots of my apps.
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    Mobile UI Design
    Mobile App
    Mobile App Design
    Firebase
    SQL
    Java
    API Development
    Hybrid App Development
    Android
    Dart
    Mobile App Development
    Flutter
  • $20 hourly
    I am a software engineer, I have experience developing mobile apps in native Android and Flutter and developing websites using Flutter web and WordPress. you can see my portfolio from here : momenamiin.me i can work with Firebase and AWS.
    vsuc_fltilesrefresh_TrophyIcon DART
    Web Application
    Progressive Web App
    Android App Development
    Mobile App Development
    iOS
    SQLite
    Firebase Cloud Firestore
    Flutter
    Amazon Web Services
    Dart
    C
    Firebase
    Java
    Android
    Firebase Realtime Database
  • $20 hourly
    Are you in need of an Expert Flutter App Developer or a Product Designer? Look no further, keep reading. Hi, I'm Fahad I've been developing mobile applications since 2015. We are a in-house team providing services for over 3 years now. We've worked in well-reputed software firms before starting the career in freelancing, so far we've completed over 300 projects in time with the best possible optimized code flow, best possible UI/UX designs and best possible quality both for local as well as global clients. If you're looking for one stop solution for all tasks. Look No Further. Your Idea our Solution! Our Services Includes: 👉 Mobile App UI/UX Designs (Check UX/UI Design Profile) 👉 Flutter Mobile App Development (Check Mobile App Development Profile) 👉 Mobile App Manual Testing 👉 App Approvals on play store and app store with the proven track record I have assisted many clients and made apps that boosted their sales and increases their business. Because everyone is using a mobile phone and you need the best app to engage them. So, Always opt for an expert. and here you will find every service at one place. So, what are you waiting for? Let's Grow together and let's bring your idea to life.
    vsuc_fltilesrefresh_TrophyIcon DART
    Firebase Cloud Firestore
    Flutter Stack
    Flutter
    RESTful API
    Mobile App Development
    Mobile App
    Android
    iOS
    Firebase
    Node.js
    Dart
    Figma
    Adobe XD
  • $25 hourly
    ⭐ 100% Satisfaction Guarantee ⭐ Over 50 Five-Star Reviews ✨ 🏅 Top Rated Plus Freelancer 🏅 Ranked in the Top 1% as a Full Stack Developer specializing in Flutter, NodeJS, MERN, MEAN, and React. ✅ As an accomplished Flutter Developer with over 5 years of experience, I specialize in: ⚡ Crafting visually stunning, user-friendly, and efficient mobile applications using Dart. ⚡ Extending expertise to cross-platform development, ensuring seamless performance across both iOS and Android devices. My portfolio showcases: ⚡ A diverse range of projects highlighting proficiency in Flutter SDK, widget creation, and state management. ⚡ Integration with Firebase for backend services and adeptness at leveraging RESTful APIs. ⚡ Implementation of push notifications and ensuring optimal app performance through rigorous testing and debugging. In every project, my goals include: ⚡ Providing an exceptional user experience with a focus on responsive design and intuitive navigation. ⚡ Excelling in both collaborative team settings and independent work environments, taking full responsibility for project success. I am passionate about: ⚡ Staying at the forefront of mobile app development, continuously updating my skills with the latest advancements in Flutter and related technologies. If you're seeking a proven Flutter developer committed to delivering high-quality, scalable, and maintainable mobile applications, I would be thrilled to discuss how I can contribute to your project's success. 🎖 Technical Expertise 🎖 ✔️ Mobile Development: Proficient in Flutter, with experience in both iOS and Android platforms. ✔️ Frontend Technologies: Skilled in HTML/HTML5, CSS/CSS3, Typescript, JavaScript, jQuery, Bootstrap, Vue.js, Angular, Blazor, and XML. ✔️ Backend Frameworks: Experienced in using NodeJS Express and .NET for server-side development. ✔️ Databases: Well-versed in database management with PostgreSQL, MSSQL, MySQL, Firebase Database, and MongoDB. ✔️ DevOps: Knowledgeable in Azure DevOps, Apache, DigitalOcean, and Amazon AWS for efficient deployment and operations. ✔️ Payment Integration: Experienced in integrating various payment gateways like PayPal, Stripe, Razorpay, Apple Pay, Paytm, and others. ✔️ Additional Libraries/APIs: Proficient in utilizing RestAPIs, social login, Mailchimp, Google Drive API, Gmail, Facebook, Instagram, Twilio SMS, Google Analytics, Firebase APIs, Google Map API, in-app billing, Fabric, Twilio, Twitter, LinkedIn, YouTube APIs, and audio/video streaming VoIP. ✔️ Project Management Tools: Familiar with Slack, Twilio, Jira, Trello, GitHub, BitBucket, and Azure DevOps for effective project coordination and collaboration.
    vsuc_fltilesrefresh_TrophyIcon DART
    Mobile QA
    Mobile App Design
    Web Application
    Mobile App
    API
    Mobile App Development Consultation
    Mobile App Development
    Push Notifications
    PHP
    Laravel
    Dart
    Android
    iOS
    Flutter
    Firebase
  • $20 hourly
    At the core of every great product is a team of passionate and dedicated individuals, and as a mobile developer, I am one such individual. With 3 years of experience in the industry, I bring a unique perspective and a commitment to delivering scalable applications. As a top-rated freelancer in creating production level apps. My primary focus on Upwork is to design and code application that fit best with your business domain using Flutter or native Android, or iOS. What matters to me most is Client Satisfaction and Customer Service. I will provide my best to meet your 100% satisfaction. Brief summary of my Services: - Expertise in both Flutter and native iOS and Android app development. - Design and Develop mobile application from an idea to completion - Adding new features or functionality to existing mobile apps. - Provide client-centric solutions. Up to 3 months of free support after development. - Excellent communication skills with frequent updates on ongoing work. - Crafting exceptional experiences that meet the unique needs of my clients. - A relentless commitment to quality and attention to detail Shoot me quick here on Upwork. Lets discuss your project in details and bring your idea to life.
    vsuc_fltilesrefresh_TrophyIcon DART
    Android App Development
    Android
    Hybrid App Development
    API Integration
    Mobile App Design
    Figma
    Mobile App
    Flutter
    Payment Gateway Integration
    Firebase Cloud Firestore
    Firebase
    Mobile App Development
    iOS
    Dart
    Business with 1-9 Employees
  • $32 hourly
    I am a high-skilled mobile application developer with extensive experience in various areas of iOS and Android development. My main goal is to deliver high-quality applications built with the proved technologies and the best modern approaches. I am looking for challenging projects with the option to build a long-term cooperation with my clients. Please find my technical skills and expertise listed below: - cross-platform mobile development with Flutter/Dart - native Android apps (Kotlin/Java) - Android and iOS SDKs - Data storage: Room, Realm, SQLite, MySQL, Internal/External memory; - GEO-location, mapping, Web services, SQL Databases, Firebase; - Social other 3rd party APIs: Facebook, Google, GoogleMaps, Stripe, etc - understanding and using guidelines, material UI, common UI/UX patterns
    vsuc_fltilesrefresh_TrophyIcon DART
    iPhone
    Android App Development
    Clean Architecture
    RxJava
    Firebase
    Flutter
    Java
    Kotlin
    Git
    Dart
    Android SDK
    iOS
    Android
  • $30 hourly
    A seasoned full-stack developer with a focus on cross-platform mobile applications using Flutter, backend development, and web technologies. I hold a Bachelor's degree in Computer Engineering and have 5 years of experience in the software development process. In my previous role as Head of Mobile Development, I was responsible for creating robust architectures, conducting code reviews, mentoring team members, and integrating best practices. I have developed cross-platform apps using Flutter for over four years, covering all supported platforms (i.e. iOS, Android, Web, Desktop Application for Mac, Linux and Windows) My expertise extends to various native platform APIs for iOS/Android and third-party APIs, including camera API, push notifications, deep linking, maps, audio and video manipulation, Revenuecat, Google in-app purchase, in-app updates and reviews, and social logins. I have also integrated Firebase and its related products, Google Sheets, Google Drive API, and more within apps. I have a strong understanding of state management solutions like Bloc, Provider, Riverpod, or Getx. I also have experience with webRTC, WEB3, and building desktop and web applications using Flutter. My backend experience includes building financial apps with PostgreSQL. In addition to my technical skills, I have a strong knowledge of TypeScript/JS and Go. I have experience with messaging and ticketing apps, and I have successfully built financial startups and brought them to market. I also have experience with Sveltekit, React web frontend, and Tailwind CSS, further expanding my skill set in web development. I am proficient with various CI/CD tools like Fastlane, Jenkins, and Codemagic. I believe that good communication is key to a successful project, and I am flexible with timing to accommodate different time zones. If you're looking for a dedicated, experienced, and communicative developer with a wide range of skills, I would be delighted to bring my expertise to your project. Let's create something amazing together!
    vsuc_fltilesrefresh_TrophyIcon DART
    TypeScript
    Flutter
    Dart
    User Authentication
    Android
    Fastlane
    Node.js
    Python
    Kotlin
    Firebase
  • $30 hourly
    ✅ 100% Job Success ✅ Top Rated ✅ Great Support If you are seeking a top-rated freelancer with a proven track record of success, look no further. Let's embark on a journey together, where your vision becomes a reality. Get in touch with me today, and let's bring your projects to new heights! As a top-rated freelancer on Upwork, I am proud to have earned a remarkable 100% job success rate. ✅ Specialized in Mobile app development • Flutter for IOS and Android App Development • Kotilin / Java for Native Android App Development I have the required skills and qualifications to handle any mobile app development project. During my career, I have worked as a lead mobile app developer and a full-time mobile app developer for several industries/clients. Besides coding, I have creativity and innovation skills; I always pay attention to minor details and user behavior. ✅Let's work together • Scalable and optimized mobile app development • Excellent UI and animation development with a better User Experience • Cross-platform and native app development • State management • Development with better architecture and folder structure • API integration, JSON, REST API, GraphQL • 3rd party frameworks • Firebase • Push notifications • Testing and debugging code • Authentication and Authorization ( Login and Logout) • SQL, NoSQL database • Git and GitHub • Successfully developed e-commerce, booking, food ordering, live streaming, educational, and several apps. • Up-to-date on new technologies • Understanding of other phases including designing, testing, and marketing. • Understanding of development lifecycle • Meet deadline • Time management and work well under pressure I always deliver good quality and great optimized apps. I have significant deadline structures, and realistic goals and ensure the client is happy.
    vsuc_fltilesrefresh_TrophyIcon DART
    Mobile App
    Android App Development
    Mobile App Development
    User Authentication
    Dart
    Firebase Cloud Firestore
    Firebase
    Firebase Realtime Database
    iOS
    Flutter
    Android
    Hybrid App Development
  • $15 hourly
    I have been working with Flutter and Node js for about 3+ years now. I have worked on many different projects that helped me raise my skill. I also have experience in NodeJs, particularly with expressJs. I have worked on many projects(including personal projects) using ExpressJs. I also have a degree in Software Engineering from Addis Ababa Institute of Technology.
    vsuc_fltilesrefresh_TrophyIcon DART
    InVision
    Map Integration
    Firebase Realtime Database
    Mobile App Development
    API Integration
    Android
    Firebase Cloud Firestore
    User Profile Creation
    User Authentication
    Firebase
    PHP
    Node.js
    MongoDB
    Flutter
    Dart
  • $50 hourly
    Hi, my name is Maaz Aftab and I am a highly experienced Flutter developer with 3.5 years of experience in the field. I have a strong passion for creating beautiful and intuitive mobile apps using Flutter and have a proven track record of delivering high-quality projects to my clients. In addition to my technical skills, I am also an active contributor to the open source community on GitHub (github.com/themaaz32). I enjoy sharing my knowledge and expertise with others through my educational content on YouTube (youtube.com/@EasyApproach) and on Medium (medium.com/@themaaz32), where I have over 30,000 subscribers worldwide. I have a deep understanding of the latest Flutter development techniques and best practices, and am constantly looking for ways to improve and grow as a developer. As a top-rated freelancer on Upwork, I am dedicated to providing exceptional service to my clients and strive to exceed their expectations on every project. My portfolio showcases some of my past work and demonstrates my capabilities as a developer. I am confident in my ability to deliver top-notch results and would love the opportunity to work with you on your next Flutter development project.
    vsuc_fltilesrefresh_TrophyIcon DART
    RESTful API
    API
    Mobile App
    Flutter Stack
    User Authentication
    Android
    Smartphone
    Flutter
    Push Notifications
    Dart
    API Integration
    Mobile App Development
    Android Studio
  • $30 hourly
    I'm an Experienced Mobile and Web Developer with 4 years of experience. I have experience in Cross-Platform Mobile App Development using Flutter and FlutterFlow, Web Development using React JS & Next JS, and Backend Development using Node JS. I also have knowledge of Blockchain and Dialogflow for chatbot developments, and Firebase Cloud Function Development. Over the last 4 years, I have developed over 15 mobile and web apps successfully for companies & clients based in the Switzerland, USA, Italy, Poland, Germany & UAE. I am passionate about solving problems and building solutions. 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. TECHNOLOGIES AND TOOLS - Dart, Javascript, Typescript, Java - BLoC Pattern, Provider, Riverpod, GetX, Test-Driven Design (TDD) or Domain-Driven Design (DDD), MVVM, RxDart, Freezed, Go Router Flutter - Redux, Context API, and React Router. - Unit Test, Widget Test, Integration Test, and Continuous integration/deployment flow (CI/CD) - Github, Bitbucket, Gitlab, Jira, Trello, Agile - REST APIs, OAuth, GraphQl, and WebSocket integration - Firestore, Firebase Storage, Firebase Authentications, Hosting, Realtime Database, Analytics, Push Notification, in-app Messaging, Crashlytics. - Deep linking, Firebase dynamic links - Google Maps, Youtube API, GPS, Mapbox, Google Ads - Payment Gateway Integration, In-app purchase, RevenueCat - Data storage: SQLite, Hive, Realm, SharedPrefences, Cookies - Social Sign in Facebook, Google, Apple, Twitter, and Github. - Phone Authentication - Agora Sdk, WebRtc - Camera, Gallery - Audio, Video HANDS-ON EXPERIENCE - Restaurant applications - Educational applications - Crypto applications - POS applications - Messaging applications - Social applications - Chatbots applications - Transport applications - E-commerce applications - Media & Entertainment applications - Hospitality applications - Health and Fitness applications DEVELOPMENT PRINCIPLES - I'm proficient in using any task management software preferred by the client. - My work hours are highly flexible, including weekends and holidays. I'm always available and responsive. - I'm passionate about writing clean code that's easy to maintain in the long run. Future developers who review my code will appreciate it! - I'm thorough and consider all possible user interactions with the app. I don't resort to quick fixes; instead, I carefully analyze every aspect of the feature I'm implementing. - With over 30 thousand different Android and iPhone devices in the market, ensuring the app functions flawlessly on all of them can be challenging. Thanks to my extensive experience, I know what to focus on when writing code to guarantee a high-quality app experience on various Android and iPhone devices. If you're worried about keeping your software updated and making changes on time, don't worry, I've got you covered. I'm here to build long-term relationships with all my clients, so you won't have to go through the hassle of hiring different developers for every update or when old software tools are no longer used. I'm ready to bring your ideas into reality, so don't hesitate to reach out and discuss. Let's jump on an initial 10-minute call so we can cover your project and decide how my development skillset will work best for you and your project.
    vsuc_fltilesrefresh_TrophyIcon DART
    Dialogflow
    Smartphone
    Android Studio
    TypeScript
    Node.js
    iOS
    Mobile App Development
    API Integration
    Hybrid App Development
    Firebase
    Push Notifications
    Dart
    JavaScript
    React
    Flutter
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