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Hire the best Expo.io Developers in Karachi, PK

Check out Expo.io Developers in Karachi, PK with the skills you need for your next job.
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  • $40 hourly

    • 5.0/5
    • (24 jobs)
    🌟🌟🌟🌟🌟 - "I wouldn't recommend Hasan, because I wouldn't want others to take his time"- my awesome Upwork client If you are looking to create exceptional user experiences through Mobile applications then you're in the right place. With 4+ years of experience in React Native development, I have worked closely with a variety of clients from renowned MNC's to bootstrap start-ups to deliver results that meet business objectives and exceed user expectations. What you can expect from me: ✅ Clear & timely communication: I will respond promptly to all messages and keep you informed throughout the project ✅ High-quality work: I am committed to delivering work that meets or exceeds your expectations and meets all requirements. ✅ Professionalism: I will conduct myself with professionalism and respect at all times, and will be proactive in identifying and addressing any issues that arise. ✅ Attention to detail: I will carefully review all work to ensure that it is error-free and meets all specifications. ✅ Collaborative approach: I am open to feedback and will work with you to make any necessary revisions or adjustments to ensure that the final product meets your needs. When it comes to my set of expertise I am primarily a Mobile app developer, specializing in React Native (CLI and Expo). I have created and improved multiple successful applications for clients in areas of health tracking, Accounts Management, Fintech, Distribution Management, Recruitment, lifestyle, and e-commerce. Here's how I can help you: 🔷 Building an app from ideation to MVP and beyond 🔷 Revamping, debugging and updating existing applications that needs quick fixes or an idea to scale 🔷 Integrate new or existing applications with popular back-ends like Firebase or API's like RESTful, GraphQL 🔷 Consult on feature possibilities, App Store/Google Play guidelines, and monetization strategies 🔷 Proficient in E2E (End-to-End) testing, unit testing, and code reviews to ensure high-quality deliverables & low margin for error 🔷 Creating integrations of BLE-enabled (Bluetooth Low Energy) devices such as printers, Stripe terminals and smartwatches (Apple Watch, Fitbit) 🔷 Develop Apps using best practices which ensures optimal app performance & total app size Through my work I have gotten a chance to collaborate with and learn from the experiences of some of the most talented professionals from across the globe and look forward to instilling the insights I have gained on our next project. Robust technology and business experience combine for strong project outcomes no matter the size. I welcome discussing your projects and helping you find success!
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Payment Functionality
    iOS
    Android
    Firebase
    React
    Swift
    Mobile App Development
    Hybrid App Development
    Android Studio
    React Native
    TypeScript
    JavaScript
  • $18 hourly

    • 4.9/5
    • (16 jobs)
    ✅ Professional React Native/React developer with almost 2 years of extensive industry experience to develop HIGH QUALITY, SCALABLE and ROBUST end products for mobile. ✅ I practice best approaches to write clean and efficient code to make the app lighter and faster across all Android and iOS devices. ✅ Pixel perfect user interfaces and easy to navigate user experience is my utmost priority to give serious, nice and handsome feel to the users. which could make them use the app again and again and completely fall in love with it. 🌟 EXPERTISE & SKILLS I HAVE 🌟 ✔ Firebase (Authentication, CRUD), ✔ Firestore , ✔ Firebase Storage , ✔ Firebase OTP, ✔ OTP auto-verification, ✔ OAuth Google and Facebook Sign In, ✔ Node.js, ✔ MongoDB, ✔ Google Maps, ✔ Google Places API ✔ AsyncStorage, ✔ Auto log in and Logout, ✔ SQLite, ✔ Redux, ✔ Redux Thunk, ✔ Third-Party API Integrations, ✔ Backend APIs integration, ✔ Push Notifications, ✔ Native Base, ✔ React Native Paper 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Experience: I have an extensive experience of almost 2 years, developing and maintaining cross-platform native Android and iOS apps for my clients. ✅ No Compromise: I don't compromise on client's requirement. I try my best to provide the expected results above and beyond. ✅ Free Consultation & Suggest Best Workarounds: I suggest best workarounds to my clients to help me achieve their requirement and millstones, I also suggest the DO's and DON'Ts and what approach is best for the specific requirement. ✅ Response & Availability: I'm available more than 30 hrs./week and timely communicate on projects to complete the requirements. So that clients can have more time for review and changes and I also have time for trial and errors. Types of apps which I have developed and worked on: ✔ Hospital/Patient/Caretaker/Doctor (for mentally ill children) ✔ Food recipes ✔ Educational ✔ Event based ✔ School van tracking ✔ Survey ✔ E-commerce ✔ Restaurant reviews (with Google Maps Places API and Firebase) ✔ Social (similar to Instagram with custom RGBA filters) ✔ Booking ✔ Rent a car 🏆 Client Review See what one of my best client reviewed about my work describing the quality of work and value that you can expect from working with me. "Wahas delivered amazing work on this Tablet App using React-Native development project and he was professional. His requirements gathering was top-notch, he met all deadlines before time, and his skills were strong. At one point I asked for an additional milestone and he was very forthcoming that the additional work. He helped me find additional freelancers to support the work on the server-side. I enjoyed working with Wahas and I am satisfied with his work. I will likely have additional jobs for him in the future." Let's discuss your project requirement or idea to transform it into a live mobile application.
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Redux
    NodeJS Framework
    React
    MongoDB
    React Native
    Node.js
    Social Media Account Integration
    Mobile App Development
    JavaScript
    Smartphone
    Android
    TypeScript
    iOS Development
    iOS
  • $20 hourly

    • 5.0/5
    • (10 jobs)
    Hello everyone! 👋 My name is Shoaib. I'm a Full Stack Developer. I mostly specialize in React Native, React, Node, Redux, TypeScript, and NextJS. I have successfully completed many long-term projects. If you want a reliable and easy-going team member, with great communication skills, who love coding and solving different problems, then I would love to work with you and bring your ideas to life. ⭐️ 𝐌𝐘 𝐒𝐊𝐈𝐋𝐋𝐒: • React Native, React, Node, Redux, Typescript • Experience: 4+ years • Frameworks: React Native, React, NextJS, Node • Redux, Firebase, GraphQL • Frontend: HTML5, CSS3, SASS, LESS • Databases: Postgres, Mongo, Firestore • Deployments: Google Cloud, Heroku • Management: Slack, CodeTree, GitHub • Platforms: OS X, Windows, Ubuntu/Linux • UI/UX Design
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    MERN Stack
    Next.js
    TypeScript
    PostgreSQL
    Node.js
    React
    Hybrid App Development
    API Integration
    GraphQL
    React Native
    Firebase
    Web Design
  • $8 hourly

    • 5.0/5
    • (1 job)
    Diligent software engineer with 5+ years of experience in commercial application and software development. A Javascript lover with a passion for solving problems with clean and reusable code as well as clean, modern web-design. ➡️ My Expertise: ✅ React JS ✅ React Native ✅ Node JS ✅ Express JS ✅ Mongo DB ✅ Firebase ✅ Redux/Recoil ✅ HTML5 ✅ CSS3 ✅ Javascript ✅ Progressive Web Apps ➡️ Have strong grip on these designing libraries: ✅ Bootstrap ✅ Material UI ✅ Chakra UI ✅ Ionic (PWA)
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Material Design
    Progressive Web App
    RESTful API
    Redux
    Firebase
    React Native
    CSS 3
    React
    MongoDB
    ExpressJS
    Bootstrap
    JavaScript
    HTML5
    Node.js
  • $10 hourly

    • 5.0/5
    • (3 jobs)
    Greetings! I'm a Professional Web and Mobile App Developer, proficient in a comprehensive tech stack to bring your digital projects to life. Key Technologies: React | React Native | Expo | Redux | Material UI (MUI v5) | Bootstrap v5 |React Router Dom | React Navigation | Formik | Yup | Next JS v14 |Chart JS |Tailwind CSS v3 | Framer Motion. Crafting Digital Experiences: My focus is on delivering seamless user experiences through the utilization of cutting-edge frameworks like React, React Native, and Expo. From responsive designs with Material UI and Bootstrap to intuitive navigation with React Router Dom and React Navigation, I bring versatility to every project. Specialties: * State management with Redux * Advanced form handling with Formik and Yup * Server-side rendering with Next JS v14 * Data visualization with Chart JS * Styling excellence with Tailwind CSS * Engaging animations with Framer Motion Why Choose Me: - Proven track record in developing robust web and mobile applications. - Meticulous attention to detail for pixel-perfect designs and optimal performance. - Adaptable to the latest industry trends and frameworks. - Effective communication ensuring a collaborative development process. Let's collaborate on your project, turning your vision into a digital reality that stands out in today's competitive landscape. Excited about the prospect of working together! 🌟
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Mobile App Development
    Android App Development
    Redux Thunk
    Progressive Web App
    React Native
    Firebase
    React
    Material UI
    Web Development
    JavaScript
    Next.js
    Redux
    Web Application
    Bootstrap
  • $30 hourly

    • 5.0/5
    • (6 jobs)
    👋 Hello there! I'm Imran Ali, an experienced MERN/Full Stack developer with a strong foundation in front-end and back-end technologies. I thrive on transforming ideas into user-friendly and high-performance applications that leave a lasting impact. 💻 Technical Expertise: • Front-end: HTML, CSS, JavaScript, TypeScript, React.js, React Native, Next.js • Back-end: Node.js, Express.js, MongoDB • UI Frameworks & Libraries: Ant Design, Material UI, Bootstrap, LESS, SCSS, Tailwind CSS • Authentication & APIs: React Hooks Auth0, Firebase, REST API, GraphQL, Axios • Mobile Development: Expo, React Native • Additional Skills: Twilio, Flutter 🌟 Throughout my 3+ years of experience, I have successfully delivered end-to-end solutions by leveraging my expertise in the MERN stack. From concept to deployment, I possess a keen eye for detail and a commitment to creating highly scalable and secure applications. 💡 Innovation and problem-solving are at the heart of my work. I love diving deep into complex challenges, architecting efficient solutions, and collaborating with talented teams to achieve exceptional results. Adaptability and continuous learning drive my passion for staying up-to-date with emerging technologies and industry best practices. 🎯 Let's connect if you're seeking a dedicated professional who can seamlessly navigate between front-end and back-end development, ensuring top-notch performance and user experiences. ✉️ Feel free to reach out to me. I'm open to exciting opportunities, collaborations, or simply engaging in conversations about all things tech!
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    React Native
    Firebase
    Figma
    Material Design
    Android
    ExpressJS
    TypeScript
    JavaScript
    Firebase Cloud Firestore
    Next.js
    React
    MongoDB
    Node.js
    Web Development
  • $15 hourly

    • 5.0/5
    • (3 jobs)
    𝐃𝐨 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐌𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐭𝐨 𝐦𝐞𝐞𝐭 𝐲𝐨𝐮𝐫 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐧𝐞𝐞𝐝𝐬? I am Mobile Application Developer working as a freelancer with over 6 years of experience in mobile app development, I have a strong expertise in developing mobile applications for Android and iOS platforms. My expertise in React Native, Java, Kotlin, Swift, and Flutter enables me to build high-quality, interactive and engaging mobile applications for businesses and organizations. With a deep understanding of mobile app development, I have been able to develop and deliver a wide range of mobile apps for clients from various industries. My expertise in building mobile apps covers everything from design, development, testing, and deployment, to app store submission and maintenance. My skills in hybrid mobile app development using React Native has helped me to create cross-platform mobile apps that are compatible with both iOS and Android platforms. In my years of experience in app development, I have developed mobile applications for various use cases, including e-commerce, social networking, chat, and entertainment apps. I have a great understanding of the latest trends and advancements in mobile app design, UI/UX design and development, ensuring that my clients receive the best possible solutions. I have experience in developing mobile apps using native technologies like Java for Android and Swift for iOS. I also have expertise in developing hybrid mobile apps using React Native and Flutter. With the ability to develop both native and hybrid apps, I can provide my clients with a tailored solution to meet their specific needs. I have also been involved in the design and development of custom mobile apps from scratch, from concept to full-scale deployment. This has allowed me to provide my clients with end-to-end solutions, including designing, developing, and testing their mobile apps. One of my key strengths is my ability to understand my clients' needs and requirements. I take the time to understand their vision for their mobile app, and then translate that into a tangible solution. I have a great eye for detail and a passion for creating engaging and user-friendly mobile apps. I also have a great understanding of the app store submission process, ensuring that my clients' mobile apps are submitted successfully and without any issues. I take the time to thoroughly test and debug the mobile apps I develop, so that they run smoothly and provide a great user experience. In addition to developing mobile apps, I also offer a wide range of mobile app maintenance and support services. I understand that mobile apps are never truly finished, and they require ongoing maintenance and support to keep them running smoothly. Whether my clients require ongoing app maintenance, bug fixes, or feature updates, I am always available to provide the support they need. I have a great understanding of the importance of timely and efficient app updates, and I work closely with my clients to ensure that their mobile apps are always up-to-date and running smoothly. In conclusion, as a mobile app developer with over 6 years of experience, I have the skills and expertise needed to develop high-quality, engaging, and user-friendly mobile apps for businesses and organizations. With a focus on delivering the best possible solutions to my clients, I am committed to delivering the highest-quality mobile apps that meet their specific needs and requirements. 𝐒𝐤𝐢𝐥𝐥𝐬: ✔ React Native ✔ Flutter ✔ Kotlin/Java (Android) ✔ Swift (iOS) ✔ Javascript/Typescript 𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐝𝐨 𝐟𝐨𝐫 𝐲𝐨𝐮: - Application design and development. - Database design and development. - APIs Integration from third-party services. - Upgrade your exciting application to a newer version. - Implementing Google Maps - Push Notifications - Chat Integration - Payment Gateways Integration - Cloud Messaging - GCP Integration - Firebase Integration - Google Analytics - Real-Time Database - Thermal Printer Integration - Video Conferencing Platform Integration (OpenTok, Twillio, Jitsi, Zoom) - & Many More... 𝐇𝐨𝐰 𝐈 𝐰𝐢𝐥𝐥 𝐰𝐨𝐫𝐤 𝐨𝐧 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭: 1) Discussion regarding the scope of work. 2) Requirements analysis with suggestions if any. 3) Timeline evaluation and cost estimation. 4) The design, conception, and planning. 5) The development. 6) The testing phase. 7) The deployment. 𝐑𝐞𝐚𝐬𝐨𝐧𝐬 𝐭𝐨 𝐡𝐢𝐫𝐞 𝐦𝐞: One of the key reasons to hire me is my deep understanding of the mobile app development process, from the initial concept stage to the final deployment. I have a proven track record of delivering high-quality mobile applications that meet the needs and expectations of clients. My strong attention to detail, combined with my technical proficiency, ensures that the end product is of the highest standard. I look forward to working with you! HAMZA SHAFIQUE
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Back-End Development
    Front-End Development
    Mobile App
    ADO.NET
    .NET Framework
    .NET Core
    ASP.NET MVC
    Dart
    Microsoft SQL Server
    Flutter
    Firebase
    JavaScript
    React Native
    Mobile App Development
  • $30 hourly

    • 4.9/5
    • (23 jobs)
    I am a Senior Mobile App, Website, and software Developer specializing in Full Stack development. Experienced with all stages of the development cycle for dynamic projects. Well-versed in numerous programming languages including Flutter, React Native, React.js, JavaScript, PHP, Laravel, .Net, ASP.NET, HTML5, PHP, OOP, CSS, SQL, MySQL, Firebase. Strong background in Mobile Application Development, Website development, Software development, and customer relations.
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    WordPress Theme
    Flutter
    In-App Purchases
    Shopify
    React Native
    API
    Mobile App Development
    iOS
    ASP.NET
    React
    C#
    PHP
    Node.js
    WordPress
  • $20 hourly

    • 3.6/5
    • (63 jobs)
    (っ◔◡◔)っ ♥ Welcome to my profile! ♥ Recognized as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 🏆 by Upwork with an impressive 𝗧𝗼𝗽 𝟯% 🌟 Top-Rated React Native Developer 🌟 Crafting Seamless Mobile Experiences in React Native for Top-Tier Solutions 🔥 Are you in search of an Exceptional React Native Developer with an unwavering commitment to creating user-centric mobile apps? Look no further! I'm Haya Shahid, An expert React Native app developer, armed with a diverse skill set that guarantees the success of your project. With a proven track record in UI/UX design, API integration, and database management, I've collaborated with startups and established enterprises across diverse industries, transforming their app ideas into thriving commercial ventures. My expertise revolves around harnessing the power of React Native, enabling me to build native-like iOS and Android apps from a single, efficient codebase. This not only reduces development time and costs but also ensures peak performance. 🌟 My Expertise: ◆ Proficient in JavaScript and TypeScript, including mastery of ES6+ syntax ◆ Extensive experience with React Native, including Monorepo projects for shared code between web and mobile development ◆ Proficiency in Redux-Saga and Redux-Thunk ◆ Mastery of React Hooks for optimal code efficiency ◆ Seamless integration with RESTful APIs ◆ In-depth experience with GraphQL and a deep understanding of Apollo Client ◆ Expertise in local state management (Cache) ◆ Proficiency in React Navigation and React Router ◆ Extensive experience with Push Notifications ◆ Skillful integration of Google Maps SDKs in React Native (iOS & Android) ◆ Expertise in graphing tools (Charts, etc.) ◆ Multilingual feature implementation ◆ Strong command of Sentry for error tracking ◆ Extensive experience with code push (OTA) ◆ Proficiency in Firebase integration ◆ Basic knowledge of e2e Testing (Cavy) ◆ Familiarity with unit testing ◆ Strong expertise in Git ◆ In-depth knowledge of GitLab, GitHub, and Bitbucket ◆ Basics of CSS, HTML, and PHP ◆ Familiarity with SQL and C++ 💥 Key Technologies: ◆ React Native ◆ Native Android ◆ Native iOS ◆ Hybrid App Development ◆ Web App Development ◆ Mobile App Development ◆ Cross-Platform App Development ◆ Firebase Development 🎯🏆 My App Development Experience Spans: ◆ Live Streaming ◆ E-Commerce ◆ Fitness & Nutrition ◆ Social Media & Broadcasting ◆ Ride Booking ◆ Job Finding ◆ QR & Barcode Scanning ◆ Real Estate ◆ Travel 😍🎀 Why Collaborate with Me? ◆ Tailor-Made Mobile App Solutions ◆ Exceptional Communication Skills ◆ Daily Project Updates ◆ Swift Responsiveness ◆ Competitive Pricing Let's join forces to transform your project into something extraordinary. Feel free to ask questions and share your ideas. Through innovation and teamwork, we'll achieve remarkable results together. I'm excited to embark on this journey with you! 🏆💝 My Skillset Summary: React Native, Mobile App Development, JavaScript, Redux, Expo, React Navigation, React Native CLI, API Integration, Firebase, GraphQL, Component-Based Development, Debugging, Cross-Platform Development, UI/UX Design, Performance Optimization, Push Notifications, AsyncStorage, Native Modules, Responsive Design, Code Refactoring Haya Shahid
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Web Application
    Android App Development
    Native App Development
    GraphQL
    Responsive Design
    Third-Party Integration
    RESTful API
    Push Notifications
    Redux
    JavaScript
    Node.js
    React Native
    Hybrid App Development
  • $20 hourly

    • 0.0/5
    • (1 job)
    I am a Senior Developer with 3+ years of experience in practically building scalable Web Apps and Mobile Apps using Reactjs, NextJS and React Native. Front-end: ✔ HTML5, CSS3 with SCSS ✔ JavaScript (ES5/ES6/ES7+, Babel) ✔ ReactJS, Redux, NextJs, Typescript, Firebase, React-Native ✔ UI/UX, responsive web ✔ Material UI, Bootstrap, Ant-Design, Tailwind CSS Back-end: ✔ NodeJS and MongoDB/MySQL as Database As a developer my main aim is to make my clients happy by giving them pixel perfect work at the right time they expect from me and in exchange of it just we want your trust at us, just come one time and start coming everytime!
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Next.js
    Graphic Design
    Logo Design
    MERN Stack
    Search Engine Optimization
    React
    Node.js
    JavaScript
    Kotlin
    Swift
    React Native
    Firebase
    MongoDB
    Flutter
  • $30 hourly

    • 4.4/5
    • (4 jobs)
    My specialty is web development and mobile development. This is what I've been doing for 𝐦𝐨𝐫𝐞 𝐭𝐡𝐚𝐧 4 𝐲𝐞𝐚𝐫𝐬 and I absolutely love it. Finally being a good Fullstack Developer, nothing is beyond my research scope; if I have a new tech to work with I'll do my research and learn about it. 𝐖𝐄𝐁 ✔ Wordpress theme customisation and developmental ✔ If you need to create a new web service without worrying about future scalability time, costs, maintenance, DoS, a performance I have a set of different solutions for you ✔ If your goal is to transform your old service architecture into a newer/faster one I can do that for you using free open source tools 𝐌𝐎𝐁𝐈𝐋𝐄 ✔ If you need to create a new app from scratch I'm the one you need for this task. ✔ If you want to move your web app or online business into mobile with a custom app I can do help you with that. ✔ If your app needs a customized back-end for the service you are going to build I can integrate your back-end and extend it for your app ✔ If you consider to use a cross-platform framework like React Native, for your next amazing app I can help you to realize your idea faster and better. I use React Native for hybrid apps Android and iOS development, with React on the web. I use Node, Nest, Express, PHP, SQL, MongoDB and AWS to build servers and databases on the back-end side.
    vsuc_fltilesrefresh_TrophyIcon Expo.io
    Android
    iOS
    JavaScript
    React Native
    Firebase
    React
    Node.js
    MongoDB
    Stripe
    ExpressJS
    PayPal
    Hybrid App Development
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