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Hire the best DART Developers in Nigeria

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  • $50 hourly
    • 5.0/5
    • (14 jobs)
    ⭐️ "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.
    Featured Skill DART
    iOS Development
    Hybrid App Development
    App Development
    Flutter
    Android App Development
    Mobile App Development
    Android Studio
    Firebase
    MongoDB
    Dart
    Java
    Kotlin
    Node.js
  • $30 hourly
    • 5.0/5
    • (37 jobs)
    🚀 ɴᴇᴇᴅ ᴀ ꜰʟᴜᴛᴛᴇʀ ᴀᴘᴘ ᴛʜᴀᴛ ᴡᴏᴡꜱ ᴜꜱᴇʀꜱ & ꜱᴄᴀʟᴇꜱ ꜰᴀꜱᴛ? **ᴛᴏᴘ 1% ᴜᴘᴡᴏʀᴋ ᴛᴀʟᴇɴᴛ | 11+ ʏᴇᴀʀꜱ ʙᴜɪʟᴅɪɴɢ ᴀᴘᴘꜱ ᴛʜᴀᴛ ᴅʀɪᴠᴇ ʀᴇᴠᴇɴᴜᴇ *"ɪ ᴅᴏɴ’ᴛ ᴊᴜꜱᴛ ʙᴜɪʟᴅ ᴀᴘᴘꜱ—ɪ ᴄʀᴇᴀᴛᴇ ʙᴜꜱɪɴᴇꜱꜱ ɢʀᴏᴡᴛʜ ᴇɴɢɪɴᴇꜱ. 30+ ʟᴀᴜɴᴄʜᴇᴅ, $60ᴋ+ ᴇᴀʀɴᴇᴅ, 100% 5-ꜱᴛᴀʀ ꜰᴇᴇᴅʙᴀᴄᴋ, ᴀɴᴅ ᴄʟɪᴇɴᴛꜱ ᴡʜᴏ 3x ᴛʜᴇɪʀ ᴜꜱᴇʀ ʙᴀꜱᴇ. ʟᴇᴛ’ꜱ ᴍᴀᴋᴇ ʏᴏᴜʀꜱ ɴᴇxᴛ."* ♥ ⭐⭐⭐⭐⭐ 100+ 5-Star Reviews | $60K+ Earned | Fast, Scalable & Secure Apps ♥ 🔑 Core Skills & Expertise ✔ Mobile Development: Flutter, iOS (Swift), Android (Java/Kotlin), Cross-Platform, Native App Development ✔ Frontend: Flutter, FlutterFlow, Dart, UI/UX Design, Responsive Layouts, Material Design & Cupertino Widgets with Flutter and FlutterFlow ✔ Backend & APIs: Node.js, RESTful APIs, Firebase, Supabase, AWS, NoSQL, MongoDB etc with Flutter and FlutterFlow ✔ Performance & Security: App Optimization, Debugging, Secure Data Handling, OAuth, Encryption with Flutter and FlutterFlow ✔ Deployment & Tools: CI/CD, App Store & Play Store Submissions, GitHub, Agile Development with Flutter and FlutterFlow 🔥 Why You’ll Love Working With Me ✅ Proven Success, Zero Guesswork *"30+ Flutter apps launched, 100% client satisfaction—I don’t just meet expectations, I redefine them."* ✅ **Your Vision, Overdelivered "Expect polished features before deadlines, proactive suggestions, and a final product that makes you say, ‘Damn, this is GOOD!’" ✅ Communication So Smooth, It Feels Like Magic *"Daily updates | No jargon | Lightning-Fast Responses Time | Your ideas heard, amplified, and executed."* ✅ Collaboration Without Headaches "I sync with your team like we’ve worked for years—whether you’re a startup founder or enterprise CTO." ✅ Reliability You Can Set Your Clock To *"0 missed deadlines in 3 years. Your app launches on time, even if it means I pull an all-nighter."* 🔥 What Clients Say "Olaj is a skilled Flutter and FlutterFlow developer who worked on a large-scale project for several months, navigating numerous unforeseen challenges and changes with remarkable adaptability. He is serious, versatile, and consistently delivered high-quality work. His problem-solving mindset and commitment made him a true asset to the team" "Olajire joined our team to rescue a mobile app project which had stalled. He very quickly learned and then cleaned up the code, reslolved outstanding bugs and got the app published for us. He has also provided guidance on performance improvements and application framework updates which will improve its long term value. I've truly appreciated his dedication and attention to detail as his work is always on time and meets or exceeds our expectations." 📩 Don’t just take my word for it—let’s jump on a quick call and I’ll show you how we’ll crush your project together. *(Free 30-minute consult!)*
    Featured Skill DART
    Web Development
    Mobile App
    Android App
    API Development
    Flutter Stack
    FlutterFlow
    Hybrid App Development
    Mobile App Development
    Firebase
    Dart
    API Integration
    iOS Development
    Android
    Android App Development
    Flutter
  • $30 hourly
    • 5.0/5
    • (8 jobs)
    As your Solutions Architect, I craft impactful web and mobile experiences that elevate your business. Check out my profile reviews to see how I've helped satisfied clients. With expertise in Flutter, Node.js, Java, TypeScript, and JavaScript frameworks, I deliver tailored solutions that exceed expectations. Notable projects include a hair salon app with appointment scheduling and AI reminders, and a budgeting app integrating third-party APIs for financial management. With a solid computer science foundation and hands-on experience, I stay current with industry trends to keep my skills cutting-edge. Let’s connect to explore how I can bring value to your project!
    Featured Skill DART
    TensorFlow Lite
    RESTful API
    API
    NoSQL Database
    iOS
    Android
    Java
    Firebase
    Flutter
    MongoDB
    MySQL
    Dart
    Node.js
    Mobile App Development
    Android App Development
  • $10 hourly
    • 5.0/5
    • (5 jobs)
    ✅ Talent Badge on Upwork ✅ ★ 100% Job Success ✅ ✓ High-Quality Product Delivery ✅ Long-Term Support ✅ B.S. in Computer Programming I am a skilled mobile app developer with 4+ years in Flutter. I create high-quality, user-friendly apps for both Android and iOS, designed to meet your specific needs. 💎 My approach to development centers around helping you reach your business goals while ensuring your requirements are met. I believe in maintaining a transparent process, so you can track our progress every step of the way. Expertise Includes: - 💎 Flutter Mobile App Development (Android and iOS) - 🔥 Firebase Integration - 📢 AdMob Integration - 🌟 Custom API Development & Integration - 📱 UI/UX Implementation - 💳 Payment Gateway Integration - 📹 Live Video/Audio Streaming - 📊 Database Management - 💬 Real-time Chat & Messaging - 🔐 User Authentication - 📍 Geolocation & Mapping - 📈 Analytics & Performance Tracking 🧑🏽‍💻 My skills cover all aspects of Flutter development, from building high-performance MVPs to developing fully-featured cross-platform applications for diverse business needs! 💬 Client Feedback: ⭐⭐⭐⭐⭐ "Talented developer who delivered amazing work at impressive speed. His contributions exceeded my expectations. Truly a rising talent on Upwork. Many thanks for the outstanding work. I look forward to collaborating with you again in the future." ⭐⭐⭐⭐⭐ "KingDavid really knows his way around Flutter development. He was prompt, thorough, and professional and could find and fix the bugs, saving me countless hours. I highly recommend him!" 📩 Let’s talk! Feel free to message me anytime. 📅 Availability Updated: Jan. 2025
    Featured Skill DART
    User Authentication
    MySQL
    Smartphone
    API Integration
    RESTful API
    Responsive Design
    Mobile App
    Firebase Cloud Firestore
    Dart
    Mobile App Development
    Firebase
    Flutter
  • $20 hourly
    • 5.0/5
    • (28 jobs)
    I’m a cross-platform mobile developer with expertise in Flutter, FlutterFlow, and React Native, building robust apps for both iOS and Android. I specialize in developing scalable applications with clean architecture, state management (Provider, Riverpod, BLoC), and responsive UI/UX. My experience spans across building production-ready apps in domains like crypto wallets, payment gateways, booking systems, e-learning platforms, and AI-powered chatbots. I’ve integrated tools like OpenAI, Dialogflow, and custom LLM-based APIs to deliver smart, conversational experiences within apps. I’m proficient in Firebase (Auth, Firestore, Cloud Functions, FCM), RESTful/GraphQL API integrations, Stripe, Razorpay, Mindee, and other third-party services. I follow best practices in unit testing, CI/CD, performance tuning, and maintainable code delivery. Whether using FlutterFlow for rapid MVPs or full custom Dart development, I focus on delivering secure, scalable, and user-friendly mobile solutions.
    Featured Skill DART
    FlutterFlow
    AI Chatbot
    Flutter Stack
    UX & UI
    iOS
    Android
    React Native
    Firebase
    Dart
    Mobile App Development
    Flutter
  • $6 hourly
    • 4.6/5
    • (11 jobs)
    I am an Expert Flutter Developer with 4 years of experience building mobile apps. I build/maintain/debug mobile apps as a hobby, therefore, I have expert knowledge in a lot of areas and tools that extend the Android and iOS framework to whatever is to be achieved. Quality is very important to me so I always try to write readable and maintainable codes using good practices, clean principles with a reactive approach. I also use state management tools like BLoC, Cubit and Providers. I always ensure that every product is thoroughly tested on multiple devices before its release. I follow requirements strictly without missing a step and I can also share my ideas if you are not sure of how something should work. I am reachable on Upwork and through any other means of communication. I am also comfortable working remotely with tools like Teamviewer, Anydesk, or GoToMeeting. I would love to be part of your project and see your ideas become a reality, nothing gives me more joy. I look forward to working with you
    Featured Skill DART
    Mobile App
    Android
    Android App Development
    Mobile App Development
    Flutter
    Dart
    iOS Development
    iOS
  • $25 hourly
    • 5.0/5
    • (9 jobs)
    I am a driven, full-stack developer with over 5 years of experience using the Symfony framework for backend and command-line development, and a strong focus on Golang and Spring Boot (Java) over the past 4 years for building projects from scratch, delivering scalable and efficient solutions.. To achieve best results, I write every line of code with SECURITY, PERFORMANCE, and RESILIENCE in mind, following the community best practices of the framework or language in question. My Favorite Tools - PHP: Symfony, Sylius, Laravel, Doctrine, Ecotone, ... - Golang: Gin, GORM, Uber/FX, Dig, Viper, Cobra, ... - Java: Spring (Boot), JPA (Hibernate), Event Sourcing and CQRS (Axon), ... - JavaScript/TypeScript UI Frameworks: React (MUI, Ant Design), Vue (Vuetify), ... - Databases: MySQL, MariaDB, PostgreSQL, DynamoDB, MongoDB - Message Broker/Queue: RabbitMQ, Redis, Apache Kafka, Amazon SQS, ... - Caching: Redis, Memcached, filesystem, memory, ... - Cryptography: Bcrypt, Argon, RSA, ECC (ECDSA), AES, SHA, and many others - Transports: WebSocket, REST, GraphQL, gRPC, HTTP/2/3, EventSource (Mercure) APIs and SDKs - Stripe: On Go, PHP, and Node.js - PayPal - AWS: S3, RDS, DynamoDB, ... - Google Cloud: Firebase, OptimizeTours, Drive, ... - Mailing/SMS: Twilio, SendGrid, MailChimp, Mailgun, ... Methodologies - Agile - Continuous Deployment/Continuous Integration (CD/CI) Design Patterns - Clean Architecture - Model-View-Controller (MVC) - MVVM (for SPAs) - Eventual Consistency (My favorite) - Domain-Driven Design (DDD) - Command Query Responsibility Segregation (CQRS) - Event Sourcing (ES) - Saga Deployment & Collaboration Tools - Jenkins - Docker - Kubernetes - Git: GitHub and GitLab - Atlassian: Jira, Confluence, Trello - Slack and others Feel free to reach out to discuss your exact requirements and how to get them running.
    Featured Skill DART
    Dart
    Java
    Flutter
    Front-End Development
    Symfony 4
    Golang
    Back-End Development
    Spring MVC
    Laravel
    Symfony
    Vuetify
    Vue.js
    Spring Boot
    React
    PHP
  • $25 hourly
    • 5.0/5
    • (25 jobs)
    Upwork Top Rated web and mobile developer, with extensive experience in creating high-quality, custom apps that meet the specific needs of my clients. I use Flutterflow, Thunkable to create web and mobile apps with unique features, integrations, and functionalities. I am known for my attention to detail, creative problem-solving and ability to deliver projects on time . My Services include: - Custom app development: web apps, mbile apps, progressive web apps - Database design and integration - Custom functionalities and workflows - API integrations (Payment, AI, Google Maps, Firebase, etc.) - Training and documentation - UX/UI optimization - App testing and deployment I am an expert in Flutterflow UI design, Flutterflow Firebase integration, Flutterflow Supabase, Flutterflow API, Flutterflow Push Notifications, Flutterflow payment integration, figma to fluttterfflow and many more. Get in touch with me now and transform your idea into a stunning mobile app. #Flutterflow freelancer, Flutterflow expert, Flutterflow developer, Flutterflow services, Flutterflow app builder, Flutterflow platform, Flutter flow developer, Ui wizard to flutterflow, Figma to flutterflow, Mobile app development, Mobile app creation, Social media app development, App prototyping, note App, SaaS App, MVPs, API connection, ChatGPT, OPenAI assistant API, Assistant model, AI integration, RevenueCat, OneSignal, Airtable, Thunkable, Thunkable developer, Thunkable developer ASAP, Flutterflow developer ASAP, Google sheet, Firebase, Figma to Thunkable, ecommerce app, business app, marketplace app, custom action, custom widget, custom function, local database, made with thunkable, User Authentication, In-App Purchases, User Profile Creation, Payment Functionality, Social MEdia Account Integration, Android, iOS, Smartphone, Android App Development, iOS Development, Push Notifications, Dart, AI App Development, User flow, Payment Integration, language learning, text to speech, speech to text, traslation app
    Featured Skill DART
    Mobile UI Design
    Dart
    Firebase Realtime Database
    Firebase Cloud Firestore
    ChatGPT
    OpenAI API
    AI App Development
    SaaS Development
    App Development
    API Integration
    Web Application Development
    Mobile App Development
    Supabase
    Firebase
    FlutterFlow
  • $10 hourly
    • 5.0/5
    • (4 jobs)
    Versatile Full-Stack Engineer | TypeScript | Node.js | Python | Rust | Flutter | IoT & Embedded Systems Specialist A dynamic and innovative software engineer with extensive expertise across multiple technology domains, specializing in crafting end-to-end solutions that bridge software, hardware, and cutting-edge technologies. Proven track record of developing robust applications and systems using a comprehensive tech stack including TypeScript, Node.js, FastAPI, C++, Python, Dart, Flutter, and Rust. Key Strengths: Full-Stack Development: Proficient in frontend and backend technologies Database Management: Experienced with MongoDB, PostgreSQL, and MySQL DevOps & CI/CD: Advanced GitHub Actions implementation IoT & Embedded Systems: PCB design, microcontroller programming Machine Learning: OpenCV integration and computer vision projects Technical Specializations: Web & Mobile Development Scalable Backend Architecture Embedded System Design Machine Learning Solutions Performance Optimization Committed to delivering high-performance, innovative solutions that exceed client expectations. I am passionate about solving complex technical challenges and continuously exploring emerging technologies to create impactful, efficient software and hardware solutions.
    Featured Skill DART
    React Native
    Flutter
    Database Development
    FastAPI
    NodeJS Framework
    Dart
    TypeScript
    Rust
    Python
    C++
    Internet of Things
    Embedded System
    Software Development
    Mobile App Improvement
    Full-Stack Development
  • $18 hourly
    • 5.0/5
    • (4 jobs)
    I am a seasoned Flutter mobile developer with 4+ years of experience crafting exceptional cross-platform user experiences. My passion for pixel-perfect UIs and deep understanding of the full mobile development lifecycle ensure the delivery of high-quality Android and iOS applications. Since 2018, I've honed my skills in native Android development (Java/Kotlin) before seamlessly transitioning to Flutter/Dart in 2020. My portfolio showcases a range of successful mobile apps featured on both the Play Store and App Store. I prioritize building strong, collaborative relationships with clients, making me a reliable partner for ongoing support, maintenance, or entirely new app development projects
    Featured Skill DART
    JavaFX
    HTML5
    Java
    CSS 3
    React
    JavaScript
    Dart
    Flutter
  • $10 hourly
    • 3.8/5
    • (23 jobs)
    👋 Looking for a Flutter & FlutterFlow Expert to Bring Your App Ideas to Life? 🌟From API integration in FlutterFlow to building eCommerce apps, iOS apps, and even leveraging Firebase and Firestore, I have the expertise to bring your project to the next level. I'm skilled in everything from figma to FlutterFlow conversions to utilizing Mapbox and Google Maps📱 🔍Need advanced features like barcode scanning, JSON integration, or AI tools within FlutterFlow? I can handle it all! With experience in FlutterFlow’s backend, database management, and Supabase, I ensure your app performs seamlessly across platforms. 🚀 I specialize in developing robust and visually stunning apps using Flutter and FlutterFlow. Whether you need custom actions, backend queries, or advanced integrations, I’ve got you covered! 💼 🌐 What I offer: ✅API FlutterFlow ✅App State FlutterFlow ✅Backend Query FlutterFlow ✅Buildship FlutterFlow ✅Custom Code & Action FlutterFlow ✅ECommerce FlutterFlow ✅Firestore & Firebase FlutterFlow ✅Mapbox, Google Maps Integration, JSON ✅FlutterFlow AI & Barcode Scanner ✅Figma to FlutterFlow 🎯Let’s take your app to the next level! If you’re looking for a top-tier developer who can create a dynamic, scalable app using FlutterFlow and Dart, reach out today. I’ll help you build the perfect solution with custom code, eCommerce integrations, and more! Let’s create something amazing together! 🌟
    Featured Skill DART
    AI App Development
    AI Chatbot
    Dart
    App Development
    Custom App
    Web Development
    iOS Development
    Android
    API Integration
    API
    User Interface Design
    Firebase Cloud Firestore
    Firebase
    Flutter
    FlutterFlow
  • $30 hourly
    • 4.5/5
    • (52 jobs)
    🔥💥🌟 𝐓𝐎𝐏 𝐔𝐩𝐖𝐨𝐫𝐤 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐈 𝐄𝐱𝐩𝐞𝐫𝐭 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐅𝐥𝐮𝐭𝐭𝐞𝐫𝐅𝐥𝐨𝐰 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭🔥💥🌟 Meet 𝑫𝒂𝒗𝒊𝒅, 𝒂 𝑭𝒍𝒖𝒕𝒕𝒆𝒓, 𝑭𝒍𝒖𝒕𝒕𝒆𝒓𝑭𝒍𝒐𝒘, 𝒂𝒏𝒅 𝑨𝑰 𝒂𝒖𝒕𝒐𝒎𝒂𝒕𝒊𝒐𝒏 𝒆𝒙𝒑𝒆𝒓𝒕 who builds intelligent, high-performance applications that seamlessly integrate advanced workflows, AI-powered features, and smart automations. Combining native Flutter development with low-code efficiency, David creates sophisticated UI/UX designs, powerful backend automations, and seamless third-party integrations. His ability to merge AI-driven automation with app development makes him a game-changer for businesses looking to scale operations effortlessly. 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 📊 AI-Powered App Development & Automation 🚀 Harnessing Flutter, FlutterFlow, and AI tools, I create apps that automate workflows, integrate with AI models, and enhance user experience with intelligent automation. 🤖 𝐀𝐈 & 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 Using Make.com, Zapier, and n8n, I build smart automation systems that streamline operations, integrate CRMs, process data, and eliminate repetitive tasks. I also integrate ChatGPT, OpenAI API, and other AI models to power customer interactions, content generation, and data-driven insights. 🔗 API Development & Integrations I develop custom API solutions to seamlessly connect apps like QuickBooks, HubSpot, Salesforce, and Google Suite, ensuring smooth data synchronization and automated workflows. Expertise & Tools 🚀 App Development & AI Integration: Flutter, FlutterFlow, OpenAI API, GPT-4, Claude, Gemini 🚀 Automation & Workflow Optimization: Make.com, Zapier, n8n, Paragon 🚀 CRM & Business Tools: QuickBooks, HubSpot, Salesforce, GoHighLevel 🚀 Data Processing & Management: Web Scraping, Airtable, Google Sheets 🚀 Marketing & Productivity: Trello, Wrike, BrightLocal, Telegram, X/Twitter, Instagram, Facebook, TikTok, Virtuagym Why Work With Me? 🛑 Proven track record in building smart, scalable solutions 🛑 Seamless AI integration for automation & business efficiency 🛑 Clear documentation & long-term support ✈️ Let’s automate, innovate, and build together! Message me now to bring your project to life. 🚀
    Featured Skill DART
    LLM Prompt Engineering
    AI Bot
    App Development
    Supabase
    Dart
    AI Builder
    AI Agent Development
    AI Content Creation
    Firebase
    Flutter
    FlutterFlow
    Python
    JavaScript
    Make.com
    n8n
  • $15 hourly
    • 5.0/5
    • (5 jobs)
    👋 Hi there! Welcome to my profile. I am a Flutter developer passionate about developing Native iOS and Flutter Apps with over 4+ years of experience developing and maintaining complex mobile and web applications. ★ 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: ✔Custom Android and IOS Application using Flutter ✔Bug Fixing in the flutter ✔Flutter UI ✔Flutter Widgets ✔Extending Flutter App ★Expertise: ✔Proficiency in Flutter framework and Dart programming. ✔Strong UI/UX design skills for creating appealing interfaces. ✔Cross-platform development expertise for iOS and Android. ✔Effective state management and RESTful API integration. ✔Knowledge of Firebase for backend integration. ✔Testing, debugging, and performance optimization skills. ✔Version control and collaboration using Git. ✔Security best practices and publishing experience. ✔Continuous learning and problem-solving abilities. ✔Good communication and documentation skills. My expertise will bring value to you. I deliver timely and work within the stipulated timeline for each project. I have honed my abilities to build scalable mobile applications that meet client's objectives.
    Featured Skill DART
    Flutter Stack
    FlutterFlow
    Chat & Messaging Software
    RESTful API
    API Integration
    Mobile App Testing
    Mobile App Development
    Firebase Cloud Firestore
    App Development
    Firebase
    iOS
    Android
    Dart
    Mobile App
    Flutter
  • $20 hourly
    • 5.0/5
    • (14 jobs)
    📱 Mobile Application Developer ( Flutter | FlutterFlow) | 🚀 Creating Exceptional Apps | 🌟Top Notch Apps 🔥 Are you looking for a skilled Mobile Application developer to bring your app idea to life? Look no further! I specialize in creating stunning mobile applications that deliver outstanding user experiences. 🚀 With a strong understanding of the Flutter framework, I bring your ideas to reality with pixel-perfect designs, smooth animations, and seamless functionality. From concept to deployment, I ensure your app runs flawlessly across Android and iOS platforms. 💼 Client satisfaction is my priority. By leveraging my technical skills and creative mindset, I transform your vision into a polished and user-friendly application. I'm committed to delivering projects on time and within budget, providing regular updates and prompt communication throughout the development process. 🌟 Why choose me? ✅ Extensive experience in Flutter app development ✅ Proven track record of delivering high-quality apps ✅ Strong expertise in Firebase integration for real-time data synchronization ✅ Attention to detail and commitment to excellence ✅ Exceptional problem-solving and troubleshooting skills ✨ My expertise includes: 📌 Flutter App Development 📌 Firebase Integration 📌 RESTful APIs 📌 Firebase Authentication 📌 Push Notifications 📌 State Management (e.g., Provider, Bloc, GetX) 📌 Widget Customization and Creation 📌 Responsive Design and Layouts 📌 Internationalization and Localization 📌 In-App Purchases and Payment Integration 📌 Background Tasks and Services 📌 Image and File Handling 📌 Geolocation and Maps Integration 📌 Social Media Integration 📌 Unit Testing and Integration Testing 📌 Performance Optimization 📌 App Deployment and Release Management 📌 Continuous Integration and Delivery (CI/CD) 📌 Offline Functionality and Data Syncing 📌 App Analytics and Crash Reporting 📌 Deep Linking and Universal Links 📌 AR/VR Integration 📌 Flutter Web Development 📌 Native Device Features Integration (e.g., Camera, Sensors) 📌 App Security and Encryption 📌 GraphQL Integration 📌 Augmented Reality (AR) Integration 📌 Bluetooth and IoT Integration 📌 Audio and Video Streaming 📌 Cross-Platform Development Strategies 📌 Flutter Widgets Testing 📌 Database Management 🔥 Back-end / Admin Panel 📌 PHP 📌 Laravel 📌 Firebase 📌 Serverpod 🔑 Keywords: Mobile development, Android app development, iOS app development, Mobile application development, Cross-platform development, Mobile UI development, Mobile UX development, Mobile Design, Mobile architecture, Mobile framework, Mobile SDK, Mobile testing, Mobile optimization, Native app development, Hybrid app development, Mobile backend development, Mobile front-end development, Mobile APIs, Mobile databases, Push notifications, Mobile security, Mobile performance, Mobile analytics, Mobile payments, Mobile integration, Mobile app deployment, Mobile app maintenance, Mobile app, In-app purchases, Google Maps SDK, Admob, Interstitial Ads, AI Integration, ChatGPT, Artificial Intelligence, AI Models, Advanced Chat Functionalities, Mobile AI, AI-driven User Interactions.
    Featured Skill DART
    Web Hosting
    Web Application
    cPanel
    Blog Development
    WordPress Development
    WordPress e-Commerce
    WordPress Theme
    Mobile App Localization
    Mobile App Improvement
    Mobile App Development Consultation
    Flutter Stack
    Back-End Development
    Mobile App
    Website to Mobile App Conversion
    FlutterFlow
    Firebase
    Dart
    Flutter
    Mobile App Bug Fix
    Mobile App Development
    Laravel
    PHP
  • $50 hourly
    • 5.0/5
    • (12 jobs)
    I am an experienced mobile application developer with a degree in Computer Science and over 12 years of coding. I have a track record of success creating apps that are both well-received and commercially viable. Skilled with working as a team and incorporating input into projects. Strong eye for detail and tenacity to never quit on something until it is absolutely perfect. I singlehandedly built a mobile banking application for a new generation bank in Nigeria. The banking app enables Lotus Bank customers to carry out different banking operations (sending and receiving money, QR payment, bills payment, tax management, etc) on their smartphones. SKILLS * Proficiency in Flutter, Java, Swift, Dart and PHP, databases such as MySQL, NoSQL, MongoDB. * Firebase/Google APIs: Authentication, Analytics, Cloud Messaging, Cloud Functions, Remote Configurations, Database, Storage, Maps. * Thorough knowledge of programming fundamentals, data structure, testing techniques, object-oriented analysis, web development, gathering data for requirements and use case development Familiar with most popular operating systems: Linux, Windows and Mac OS. * Solid team-working skills with the ability to produce effective results under minimal supervision. * Strong communication and interpersonal skills as well as the ability to develop and maintain good relations with peers, management, and clients. * Solid researching and analytical skills along with the ability to interpret and convert specifications into instructions and codes. * Ability to solve design and programming problems effectively * Excellent reporting and presentation skills. * Proven time-management skills and the ability to complete projects within specified deadlines. * Ability to excel in fast-paced and high demanding work environment as well as maintain up-to-date knowledge with latest trends and developments.
    Featured Skill DART
    RESTful API
    JSON
    Data Structures
    Google Cloud Platform
    Problem Solving
    API
    Algorithms
    Amazon Web Services
    Firebase
    Kotlin
    Swift
    PHP
    Dart
    Android Studio
    Flutter
    Google Analytics
    Java
  • $150 hourly
    • 4.9/5
    • (4 jobs)
    Mobile Engineer | Flutter Developer | Web developer | Open-Source Enthusiast Hello! I’m Kenneth Amadi, a passionate and dedicated Mobile Developer with over 6 years of experience in crafting high-performance mobile applications and a strong foundation in web development. My journey in technology is marked by a relentless pursuit of knowledge and continuous refinement, driving me to consistently deliver top-notch mobile solutions and innovative web applications. • Key Highlights: - Mobile Engineering Excellence: I specialize in developing robust mobile applications, focusing on enhancing performance, stability, and user experience. My work has led to significant improvements in app adoption and user trust, as demonstrated by a 30% increase in user trust for an app I developed featuring secure transactions and biometric authentication. - Web Development Expertise: I have a proven track record in web development, having restructured and optimized backend systems to enhance functionality and performance. My efforts have resulted in a 30% reduction in page load times and a 45% boost in organic traffic through improved SEO strategies. - Library Stewardship: I am the proud creator and maintainer of several esteemed Flutter libraries, including `riff_switch`, `fontresoft`, `extensionresoft`, `payment_card`, `jump_list_navigator`, and `chat_shape`. These libraries empower developers by enhancing project functionalities and have been adopted by over 70 projects globally. - Collaborative Leadership: My roles as Operations Manager, Chief Technology Officer, and Senior Developer have honed my skills in project planning, coordination, and technical operations optimization. I have led initiatives that increased operational efficiency by 15% and reduced operational costs by 20%. - Technical Instruction & Community Contribution: I am deeply invested in the tech community, providing software instruction and mentorship. My efforts have equipped students with essential programming skills, leading to a 90% project completion rate. Additionally, I spearheaded the TECH-TALK seminar series, significantly boosting academy visibility and attendance. • Professional Experience: - Decent IT Services: Enhanced advertising efforts through a custom mobile application, resulting in a 25% increase in student enrollment and a 20% growth in client acquisition. - Upskill Network: Revamped the company website, enhancing user experience by 70%, and created an automated interview scheduling system, managing interviews for 54 interns globally. - InfineroTech: Implemented security measures and improved backend systems, reducing data breaches by 50% and enhancing SEO ranking from 40% to 85%. - Kixfobby NetWorlds Inc.: Engineered solutions that increased customer satisfaction by 25% and published a highly-rated app on the Google Play Store. - Kenventoutsource: Enhanced browser application performance, reducing load time by 25%, and developed QR and Barcode functionality for improved data processing speed. • Skills & Technologies: - Programming Languages: Dart, Java, Kotlin, JavaScript, PHP, Python - Mobile Development: Flutter, Android SDK - Backend Development: RESTful APIs, Firebase, Google Cloud Platform, Node.js - CI/CD Tools: Codemagic, Travis, GitLab, GitHub Actions - Testing: Unit Testing, Integration Testing, UI Testing - App Store Deployment: Google Play Store, Apple App Store, TestFlight, App Distribution - Development Environments: Android Studio, Visual Studio Code - Database Management: SQLite, Firebase Firestore, MySQL, PostgreSQL, MongoDB • Education & Certifications: Bachelor of Engineering (B.Eng) in Chemical Engineering - Federal University of Technology Owerri, Nigeria. Certifications: Android Application Development (Udemy), Kotlin for Java Developers (JetBrains), Flutter BLoC State Management & Firebase (Udemy), and more. • Let’s Connect: I am always open to collaborative opportunities on impactful projects. Whether you're looking to develop a cutting-edge mobile application, optimize your web presence, or integrate powerful Flutter libraries, I am here to help. Let's work together to drive innovation and create meaningful solutions. Feel free to reach out, and let’s make your project a success!
    Featured Skill DART
    RESTful API
    Data Structures
    Firebase
    SQL
    Software Debugging
    Writing
    Android UI Design
    Dart
    Flutter
    WordPress
    Kotlin
    PHP
    Java
    Android App Development
  • $40 hourly
    • 5.0/5
    • (10 jobs)
    Congratulations! You Just Found the Developer Who Actually Cares About Your Project.🎉😎 Are you looking for a high-performance mobile app that works and scales? Or maybe you’re stuck with messy, unorganized code and need a developer who can fix it quickly without breaking anything? 🚀 That’s where I come in. I don’t just write code—I build solutions that solve real problems and help businesses grow. Whether it’s a Fintech app, e-commerce platform, AI-powered tool, entertainment platform, or social media platform, I turn complex ideas into smooth, scalable, and high-performing apps that users love. 💬 Client Review #1: “This freelancer came behind unorganized code and delivered on every milestone ahead of schedule. I will always go to him for my future projects! This app is complex with tons of statistical calculations, and he not only improved them but also added new features.” 💡 Why Work With Me? 👨‍💻 5+ years of experience | 10+ successful apps across different industries 🚀 Shipped & scaled apps with 100K+ downloads 🏆 Built & led teams for major projects like eNaira (Nigeria’s Digital Currency), BellBank, QuickChorse, Track-A-Pitch, DellCart, Xpress etc 🔥 Expert in Flutter, FlutterFlow, FastAPI, Firebase, API integration, third-party SDK or Library and scalable backend architectures But don’t just take my word for it—here’s what my clients have to say: 💬 Client Review #2: “Matthew is a highly competent full-stack developer. He’s professional, communicates clearly, and provides regular updates. He has earned my company’s trust as both a frontend and backend developer. We will always go to him first with proposals!” 💬 Client Review #3: “I had the pleasure of working with Matthew on an admin site for my Track-A-Pitch web & mobile app, and I was beyond impressed. He finished 9 days ahead of schedule, built everything with precision, and made the experience completely stress-free. Highly recommended!” 💪 What I Can Do for You: ✅ Build & scale your mobile app (Flutter, FlutterFlow, FastAPI, Firebase) ✅ Fix, optimize & refactor messy code (performance tuning, security improvements) ✅ Cross-platform development (iOS, Android, Web) ✅ AI-powered features (chatbots, voice recognition, NLP) ✅ Payment integrations (Stripe, Paystack, Flutterwave) ✅ API connections & automation (Stripe, OpenAI, Google Maps, third-party tools) ✅ Database design & real-time data handling (PostgreSQL, Firebase, Supabase) ✅ Clear communication (video updates, detailed documentation, smooth collaboration) I don’t just take orders and code—I ask the right questions, suggest better solutions, and work with you to create an app that actually meets your goals. 🛠 My Tech Stack 💻 Flutter | FastAPI | Dart | Python | Firebase | PostgreSQL ⚡ Supabase, MongoDB, PostgreSQL, Stripe, Paystack API 📈 GraphQL & REST APIs | Microservices & Scalable Backend Architecture 🔗 Web3 & Blockchain (for future-ready apps) 📩 Let’s Build Something Great Together! I’m not just another freelancer—I’m a partner invested in your project’s success. Now click on that green button to invite me and let’s get started! 😊 Best Regards, Matthew Olayemi Emmanuel 🚀
    Featured Skill DART
    Mobile App Improvement
    Mobile App Bug Fix
    API Integration
    Firebase
    FlutterFlow
    Mobile App
    iOS Development
    Android App Development
    FastAPI
    Python
    Dart
    Mobile App Redesign
    Mobile App Development
    Flutter
  • $35 hourly
    • 4.5/5
    • (30 jobs)
    Hi, I’m Temioluwa Macaulay, and I’ve been working with FlutterFlow for over two years. After becoming frustrated with the costs and time involved in traditional app development, I turned to FlutterFlow, where I’ve built everything from AI chatbots to social media clones, crypto trading platforms, and e-commerce apps—often in just days. Along the way, I’ve shared my knowledge with a growing audience on YouTube (over 2,000 subscribers), teaching others how to bring their app ideas to life using FlutterFlow and Firebase. You can check out my tutorials and learn more about my work here: @FlutterflowMadeEasy Since joining Upwork, I’ve completed 23 jobs in just 7-8 months, maintaining a 100% satisfaction rate with 5-star reviews. Now, I’m excited to help bring your vision to life. Looking forward to working with you!
    Featured Skill DART
    Education Presentation
    Project Management
    Flutter
    UI Animation
    UI/UX Prototyping
    Firebase
    Dart
    Education
    FlutterFlow
  • $60 hourly
    • 5.0/5
    • (2 jobs)
    I’m a Mobile App Developer & Full Stack Web Developer with more than 9 years of experience in building modern and solution-focused Mobile Apps and Websites for small and medium-sized businesses. Whether you’re trying to build a new Mobile App either Android, iOS, or PWA from scratch or you are looking for an Expert to help you rebuild your App so as add new features or overhaul the design and functionalities as a whole – I can help! Also, if your need is a feature-rich, fast, and secure Website built with cutting-edge technologies, then I am here to help you achieve that easily, quickly, and without breaking the bank. ________________ MY STACK FOR MOBILE APP DEVELOPMENT: - I use Flutter and Dart to Build Mobile Apps UI, Features, Functions, and Logic. - I use Node.js + ExpressJS, MongoDB for custom App Backends and APIs development. - I also use Firebase tools for App Backend (Firebase Authentication, Firestore, Cloud Functions, Crashlytics, Monitoring, and others). ____________________ MY STACK FOR WEBSITE DEVELOPMENT: - I use Node.js + ExpressJS, MongoDB, EJS, Vue.js, CSS3, HTML5, and ES6 Javascript for Website Development and APIs development. - I also use Firebase tools for some functionalities when needed (Firebase Authentication, Firestore, Cloud Functions, Crashlytics, Monitoring, and others). - When needed, I use WordPress for some business Websites and Blogs. I also use Ghost CMS for some Blogs. ________________ You can also get my help as a consultant to help you choose the best mix of technologies for your next project. I speak and write the English language fluently. And I love and provide regular communication with my clients because this is very important for project success and long-lasting relationships. Let’s keep in touch!” Amos.
    Featured Skill DART
    Web Design
    WordPress
    EJS
    ExpressJS
    Version Control
    DevOps
    GitHub
    Mobile App Development
    Flutter
    CSS 3
    MongoDB
    Dart
    Node.js
    Firebase
    HTML5
  • $20 hourly
    • 5.0/5
    • (11 jobs)
    If you need a skilled React, Next.js, or Flutter developer, look no further. As an accomplished full-stack developer, I excel in designing and developing custom web applications that drive business success. I offer a comprehensive set of skills in technologies including Flutter, React, Next.js, Node.js, Express.js, MongoDB, MySQL, Redux, Socket.io, Nest.js, Firebase, PHP, Laravel, CodeIgniter, Supabase, Appwrie, Twilio, mapping services, and proficient in CMS platforms like WIX, Shopify, WordPress, Joomla, and Drupal. Services Offered: ✅ Dynamic Web Applications: Create responsive, high-performance applications using React.js and Next.js, tailored to meet your business needs. ✅ Server-Side Rendering Applications: Utilize Next.js to enhance SEO and performance with server-side rendering. ✅ Custom Web Features & Integrations: Develop custom functionalities such as real-time chats, authentication systems, web push notifications, and Firebase integrations (Authentication, Real-Time Database, Hosting, Cloud Functions, Analytics). ✅ API Development and Integration: Offer robust backend solutions with Node.js, including both RESTful and GraphQL API development. ✅ CMS Development & Customization: Experienced in setting up, customizing, and integrating CMS platforms such as WordPress for blogging and corporate sites, Joomla for e-commerce and social networks, and Drupal for complex, multi-user platforms. Why Choose Me? ✅ Wide-ranging Technical Expertise: Strong foundation in JavaScript, its frameworks, and extensive CMS knowledge. ✅ Commitment to Quality: Dedicated to delivering projects that fully meet your requirements with a 100% satisfaction guarantee. ✅ Professional and Timely Service: I ensure all projects are delivered on schedule and with the utmost professionalism. ✅ Continued Support: Includes one week of post-delivery support to guarantee smooth operation and client satisfaction. Transform your ideas into cutting-edge web solutions with a developer who has the expertise to ensure success. Let's connect and discuss how we can achieve your goals! - Flutter ✅ Firebase, Supabase, Appwrite etc. ✅ Analytics (Firebase, AppsFlyer and others). ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. ✅ Responsive UI designs for all phone devices (phone, tablet). ✅ Releasing the app on Google Play, AppGallery & Appstore. ✅ Riverbed, BloC, Provider, Animations, Charts, Chat, Notifications (FCM), Socials API, Branch SDK, Agora SDK, Google API. - React/NextJS/Remix ✅ NextJs, Remix, Sveltekit ✅ Prisma, Drizzle, Firebase, Supabase, Appwrite, SQLite, etc. ✅ Analytics (Firebase, PostHog and others). ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. ✅ Responsive UI designs for all phone devices (phone, tablet). ✅ TailwindCSS, Chakra UI, Radix UI, etc ✅ React Query, tRPC - NodeJS ✅ NestJS, Express ✅ Firebase, Supabase, Appwrite, SQLite, Postgres, MongoDB, etc. ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Aws Service (SES, S3, CloudFront, EC2, etc) ✅ Payment Integration. - Laravel/PHP ✅ Fullstack webapp ✅ API ✅ Aws Service (SES, S3, CloudFront, EC2, etc) ✅ Third-party libraries & Third-party APIs (REST & GraphQL). ✅ Payment Integration. - DevOps ✅ AWS ✅ Digitalocean ✅ Google Cloud
    Featured Skill DART
    Remix
    Java
    NestJS
    SwiftUI
    Kotlin
    Dart
    Golang
    Flutter
    Next.js
    Laravel
    React
    Node.js
    WordPress
    JavaScript
    PHP
  • $15 hourly
    • 5.0/5
    • (4 jobs)
    An experienced mobile application developer with Flutter (cross-platform development). As a Google Certified Developer, I have professional experience in building scalable, maintainable and high performing Mobile Applications with Flutter and Integration of Backend Services (APIs. Fireabse) and other App required services. Expertise in: Android and iOS Application Integration of External Services (REST API, Firebase, Google Services) Convert Figma to Flutter Widget Bug Fixing in Flutter Apps Rolling App to PlayStore and App Store
    Featured Skill DART
    Google Maps API
    RESTful API
    Google Ads
    Mobile App Design
    User Interface Design
    Figma
    Firebase
    Mobile App Development
    Android App Development
    iOS Development
    Dart
    Flutter
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    Ferdinand is a software engineer with over 4 years of experience in Flutter, he has worked on several mobile applications aimed at scaling businesses and deploying high-performing mobile/web applications, with expertise in Dart, Git version control, State management like getx, riverpod, provider and expertise in writing native code for ios and android with (swift and kotlin) as well as developing native packages in flutter, he has been able to hone a set of skills which make him outstanding in the industry, he has worked in scrum environments while adhering to agile principles to ensure streamlined product delivery
    Featured Skill DART
    RESTful API
    Google Maps API
    Agora.io
    Dart
    Firebase Cloud Firestore
    Firebase
    Flutter
  • $40 hourly
    • 0.0/5
    • (0 jobs)
    I build scalable and sustainable software solutions for Mobile Devices, Desktop devices, and the web. Let's discuss your next project.
    Featured Skill DART
    AWS Lambda
    Dart
    Vue.js
    Node.js
    DevOps
    Laravel
    Ionic Framework
    Flutter
    Electron
    GraphQL
    HTML5
    Golang
    CSS
    JavaScript
    TypeScript
  • $30 hourly
    • 4.9/5
    • (21 jobs)
    Professional Android and iOS mobile app developer with over 6 years of experience creating cross-platform and Native applications. All the apps I create have to achieve these before it gets to you: Modern design A clean & responsive user interface Secure API integration Easy scalability App security & integrity Follows Google Play Store & Apple App Store regulations Follows country regulations Expertise in Flutter, Dart, Swift, Java, Kotlin, SQL Database, Firebase, Superbase, AWS, API integration, Map integration, and Chat and messaging software. I’m ready to work! But I don’t take more than 4 monthly projects, to ensure quality checks. 🌟 Let's talk and bring your vision to life!
    Featured Skill DART
    TensorFlow
    Core ML
    ChatGPT API
    AI Model Integration
    Apple Xcode
    Swift
    Android Studio
    iOS
    Java
    API Integration
    Android
    Firebase
    Kotlin
    Dart
    Flutter
  • $30 hourly
    • 5.0/5
    • (2 jobs)
    🚀 Versatile Flutter Developer | Crafting Impactful Cross-Platform Apps Greetings! I'm Ekojode, a Flutter developer with 2 years of experience known for translating ideas into exceptional cross-platform mobile applications. I've deployed 4+ applications to both play store and app store. Why Choose My Expertise? ✅ Extensive Flutter Proficiency. ✅ Pixel Perfect Design. ✅ Consistent communication: 📬 Message me, and let's turn your ideas into reality!
    Featured Skill DART
    Google Maps
    App Store
    Dart
    Flutter
  • $12 hourly
    • 5.0/5
    • (2 jobs)
    I'm Jeffery, a results-driven Software Engineer with over 4 years of experience building scalable mobile and frontend applications. I specialize in Flutter, React, and native Android (Kotlin/Java), delivering fast, responsive, and maintainable apps. Highlights of my experience: Built a high-performance Android launcher app from scratch using modern Jetpack libraries. Led frontend development at iKooK (UK-based startup) across Flutter mobile, React dashboard, and marketing site. Integrated critical features like Firebase, deep linking, CI/CD pipelines (GitHub Actions, Xcode Cloud), and analytics tools like AppsFlyer. Created InCrop, a unique image-cropping tool with a custom rendering engine. I bring not only solid technical skills but also strong communication, ownership, and attention to user experience. Whether you need a complete app or want to improve performance and stability, I can help. Let’s build something great together!
    Featured Skill DART
    RESTful API
    JetPack
    XML
    Git
    GitHub
    Android SDK
    Flutter
    Mobile App Development
    Android
    Firebase
    Kotlin
    Android App Development
    Dart
    Java
  • $12 hourly
    • 5.0/5
    • (2 jobs)
    Hi! My name is Muyiwa and I am a Mobile Developer valued for driving high-performance accessible mobile experiences. I develop quality, user-friendly products. Diplomatic, personable, and adept at managing sensitive situations. Highly organized, self-motivated, and proficient. Ready to offer my expertise! Feel free to get in touch for an initial consultation.
    Featured Skill DART
    Git
    Android
    Dart
    Flutter
    Firebase
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