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  • $40 hourly
    • 5.0/5
    • (5 jobs)
    🚀 Hey there! I'm your mobile app wizard! 😃 For over seven years, I've been transforming ideas into stunning mobile applications as a Senior Android developer. My expertise is mostly in the Android platform, and I'm proficient in Kotlin, Java, Swift, Flutter, Android SDK. Here’s a glimpse of what I bring to the table: ✅ Client-server applications with REST GraphQL APIs Apollo ✅ Productivity tools ✅ Social networking applications ✅ Health and wellness platforms ✅ Sport applications ✅ Utility software ✅ AI-driven solutions with ChatGPT OpenAI integration ✅ Audio player apps I have a strong foundation in Object-Oriented Programming and Design OOP OOD, and my skills extend to networking, local data, user interfaces, and deployments. I'm a proponent of design patterns and adhere to development methodologies like Scrum and Agile, always enriching the development process with my insights. Key Skills: ✔️ Cross-Platform Development: Flutter, Dart, In-App Purchases, Performance Optimization, Push Notifications, Localization, Facebook SDK, Google SDK, Firebase, Riverpod, Provider, GetX. ✔️ Android Development: Java, Kotlin, Android Studio, XML Layouts, Activities, Fragments, Material Design, Android SDK, SQLite, Room Database, Gradle, Android App Architecture, Push Notifications, Firebase, RESTful API Integration, Recycler View, Dependency Injection Dagger Hilt, Jetpack Components ViewModel LiveData Navigation, UI, UX Design, Responsive Design, Geolocation, Maps Google Maps API, Performance Tuning, Data Binding, Android NDK, Gradle Plugins, App Distribution, Accessibility, Firebase, Firebase Analytics.
    Featured Skill Flutter
    User Profile Creation
    User Authentication
    In-App Purchases
    Smartphone
    Mobile App
    Firebase
    Java
    Native App Development
    Android App Development
    Dart
    Android SDK
    Kotlin
    Android
    Mobile App Development
  • $90 hourly
    • 5.0/5
    • (27 jobs)
    After dedicating over two decades to programming, I have seamlessly transitioned into the world of Artificial Intelligence (AI), combining my deep technical knowledge with cutting-edge AI innovation. My journey in AI has seen me build AI agents, develop AI-backed products, and create intelligent AI call centers and chat solutions. As a versatile technologist, I draw from my rich background in Software Design, Development, and Architecture to craft solutions that are not only functional but also future-ready. While my expertise spans multiple domains, including Software Architecture, Database Design, Server Stack Management, and DevOps, AI has become my true passion. I’ve worked extensively with modern AI technologies to create products that leverage machine learning, natural language processing, and automation to deliver superior user experiences and optimize business operations. Throughout my career, I’ve used my broad knowledge in programming languages—especially Python, PHP, Java, and .Net—to build web and desktop applications. I’m skilled in a variety of frameworks, including WordPress, Laravel, CI/Symfony, Flutter, React, and Xamarin, and I’m proficient in JavaScript, CSS, JQuery, Angular, and Vue.JS and Nuxt.JS. In addition to developing AI-driven products, I lead teams of highly skilled professionals, including designers, animators, social media experts, customer service representatives, and virtual assistants, ensuring that every project exceeds client expectations. As I continue to innovate within the AI space, I’m eager to contribute to the next big breakthrough. If you're looking for an AI-focused expert who blends decades of experience with forward-thinking AI solutions, let’s connect and explore how I can help turn your ideas into reality.
    Featured Skill Flutter
    API Integration
    WordPress
    jQuery
    3D Animation
    Automation
    Search Engine Optimization
    Video Editing
    UI/UX Prototyping
    PHP
    Vector Database
    FastAPI
    Python
    Node.js
    TypeScript
    AWS Development
    AWS Lambda
    AWS Amplify
    AWS Application
    Nuxt.js
    SaaS Development
    LLM Prompt Engineering
    AI App Development
    AI Builder
    AI Agent Development
  • $32 hourly
    • 5.0/5
    • (26 jobs)
    🏆 Top Rated Freelancer with giving quality and delivering exceptional results to my clients. With a passion of creating innovative solutions, I'm committed to providing my clients with a best possible experience. From understanding their unique requirements to delivering timely and effective solutions, I always strive to go above and beyond and believe that great communication is a key to a successful project, which is why I make sure to keep my client informed every step of the way. If you are looking for a expert developer who can deliver exceptional results, look no further. I would love to hear more about your project and how I can help bring your vision to life. Let's work together to create something truly amazing!
    Featured Skill Flutter
    Gatsby.js
    Next.js
    UI Animation
    UX & UI
    Vue.js
    Bitbucket
    GitHub
    Laravel
    Mobile App Development
    React Native
    React
    Dart
    Firebase Cloud Firestore
  • $40 hourly
    • 5.0/5
    • (20 jobs)
    I am Hamza Shahbaz, a software engineer with over 6+ years of experience in mobile app development. I am experienced in Native and Hybrid app development for iOS/Android using Swift, Java / Kotlin, Flutter. I have worked with top companies like The Fashion Incubator (TFI), Shop Kultivate, Jetzhub, Burnout Challenge Fitness, 4MAS, CoreVive LLC, BandiTours, BeautyMap, Beyond Proof LLC, Blakemore Political LLC in USA, Europe, Middle East, Africa and Australia. I have experience with development of all features a mobile app is composed of. I have worked with Social Media Integration, Maps Integration (Google and Apple), Location Services, NFC apps, QR Scanner, Payment Gateways (Stripe, Braintree, MyFatoorah, Accept, Square, Apple Pay, Google Pay), In App Purchases (Android & iOS), In app localisation (To support multiple languages), AdMob (using Google ADs), In app Chat, Bluetooth, Audio/Video calls (QuickBlox and Agora), User Authentication (Firebase, Facebook, Google, Mongo DB), Local Data (SQL lite, Core Data), Notification (Local and Server both using Firebase Cloud Messaging) ---------------------------------------------------------------------------------------------------------- ✴️✴️✴️. Our Development Process ✴️✴️✴️ ---------------------------------------------------------------------------------------------------------- ✅ Wireframes: - I begin with the app wireframes as this is the foundation of an app. This will give you the clarity about what we are developing and roadmap of the app. ✅ UI/UX + Prototype: - After finalizing the wireframes I start designs of app. So by the end of this phase we will have a prototype of app in which you will be able to see how the navigation flow of app works. ✅ Development (Mobile + Admin side): - In development phase I develop all the technical part of app. All APIs are developed and deployed first. Then these are integrated on app and admin side. ✅ Testing and QA: - Testing is one of the most important part of any process. Although we do umbrella testing with each phase of development but once app is development completely 5-10 days we will do testings and all revisions suggested by the client. ✅ Deployment to App Store and Google Play: - Once all testing is done then apps are deployed to App Store and Google play store from your accounts and all source codes are delivered via drive and Git to ensure you have all the rights and access of your app. ✅ Maintenance: - After deployment 30 days maintenance is given for free and then it is charges based on the app size and nature.
    Featured Skill Flutter
    Mobile App Design
    App Design
    API Integration
    Mobile App Development
    Swift
    React Native
    Map Integration
    iOS Development
    Android
    iOS
    Android App Development
    In-App Purchases
    Hybrid App Development
    Native App Development
  • $39 hourly
    • 4.9/5
    • (36 jobs)
    ✅ Developed a Mobile app that raised over $3M (check Real Estate app Breeze in my portfolio) ✅ Improved Mobile App with over 6 MILLION Users (check Cross-platform app Rocket League") I am a Mobile Developer with 11+ years of experience in Mobile App Development. Startup founders team up with me to turn ideas into products. 🏆 Top Rated Plus 🏆 by Upwork Upwork (Top 3%) ✔ 100% Job Success ✔ Fluent English ✔ PhD Here’s what I can offer: Mobile App Development: 📍iOS Mobile App Development | iPhone Mobile App Development 📍Android Mobile App Development 📍Cross-Platform Development: Flutter, React Native 📍MVP Mobile App During the last 11 years, I developed more than 150 successful apps: Dating app | Real Estate Mobile App | Mobile App for Charging Stations | FinTech Mobile App | Video Game Companion App | Networking Mobile App | ECommerce mobile App Development | Health Care Mobile Development | CRM Industries I’ve worked in: ✔ Fintech mobile app development ✔ Real Estate mobile app development ✔ Social Media mobile app development ✔ Beauty mobile app development ✔ Sport mobile app development ✔ Sustainable mobile app development ✔ Marketplace mobile app development ✔ Game Companion mobile app development ✔ Healthcare mobile app development ✏️ I write articles on different topics (tech, business) on Hackernoon and The Startup. You can easily find them by searching for @OlegKalyta. 🟢 Check out my portfolio for more!⬇️ P.S. If you have an idea or an existing system that needs enhancements, feel free to reach out. I am always up for a good conversation. Highlighted Skills: Mobile App Development | Mobile App Developer | Flutter App | Flutter Developer | Flutter Firebase | Flutter Dart | Flutter App Developer | App Developer | Mobile Developer | React Native | React Native Mobile App Development | Mobile App Builder | Flutter App Developer | Flutter Laravel | Mobile App Development | Mobile App Developer | Flutter App | Flutter Developer | AI Speech-to-Text | Email Design | ChatGPT Prompt | API | Startup Company | Artificial Intelligence | Health Coaching | Health | Maintenance Management | Business Applications Development | Apple Watch | SEO Content | FlutterFlow | Asset Management | App Marketplace | Health & Wellness | Blockchain Development | Blockchain | Copyright | Dating Website | SwiftUI | QA Testing | AI Audio Generation | Health & Fitness | Business Activity Monitoring Software | AI Audio Generator | Mobile App | Trademark | ChatGPT API Integration | e-Commerce | ChatGPT | Transportation | Email Automation | Email Communication | Healthcare IT | Software Maintenance |AI Text-to-Image | Loan Approval | Website Maintenance | Database Architecture | Transport Chatbot | API Development | Social Media Website | Food Delivery Application | Education | Social Networking Development | Social Networking Service | Travel | Finance & Banking Chatbot | Beauty | Entertainment | Enterprise Software Development | Enterprise Software | Sports | Sports & Fitness | Mobile App Design | Apple Watch Application | Android Smartphone | Flutter Stack | HTML | CSS | SDK development SDK | | Flutter Firebase Business with 1000+ Employees | Business with 10-99 Employees | Business with 100-999 Employees | Business with 1-9 Employees | Apple HealthKit | AI Marketplace | Waste Management & Remediation | AI App Development | Healthcare | Android App | Audio Conversion | ChatGPT API NFT Marketplace
    Featured Skill Flutter
    Android App Development
    Native App Development
    Hybrid App Development
    API
    React Native
    In-App Purchases
    App Store
    iOS Development
    User Profile Creation
    Smartphone
    User Authentication
    Android
    iOS
    Mobile App Development
  • $25 hourly
    • 4.9/5
    • (77 jobs)
    ✅ 2500+ hours and still counting ✅ 70+ jobs completed successfully ✅ 100% Job Success (Client Satisfaction Ratio) ✅ High-Quality Work ✅ Budget-friendly ✅ Fluent English Hello! I'm Ahmad Naeem Zaidi, a seasoned mobile developer with over 8 years of hands-on experience in creating robust, user-centric mobile applications. I specialize in Android, iOS, Flutter, React Native, and other cross-platform frameworks, delivering top-tier solutions tailored to meet client goals and user expectations. During the last 8+ years, I have developed many different types of iOS and Android mobile apps. 𝗧𝗮𝘀𝗸 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽 (𝗹𝗶𝗸𝗲 𝗧𝗼-𝗗𝗼), 𝗙𝗼𝗼𝗱 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗔𝗽𝗽, 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲 𝗟𝗶𝘀𝘁𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗥𝗶𝗱𝗲 𝗜𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗼𝗿 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗢𝗻-𝗱𝗲𝗺𝗮𝗻𝗱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗦𝗽𝗼𝗿𝘁𝘀 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘𝘃𝗲𝗻𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗚𝗿𝗼𝗰𝗲𝗿𝘆 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗜𝗻𝘃𝗲𝗻𝘁𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗔𝗽𝗽, 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 𝗔𝗽𝗽, 𝗔𝗽𝗽𝗼𝗶𝗻𝘁𝗺𝗲𝗻𝘁 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗛𝗼𝗺𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗔𝗽𝗽, 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, 𝗩𝗲𝗻𝘂𝗲 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽, and many more. ---------------------------------------------- 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐞𝐬 ✔ Android App Development ✔ iOS App Development ✔ Flutter App Development ✔ React Native App Development ✔ Ionic & AngularJS ✔ Cordova & Cross-Platform Development ✔ UI/UX Design & Integration ✔ API Integration ✔ Mobile App Testing & Debugging ✔ Performance Optimization ✔ App Maintenance & Updates 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? Proven Track Record: With 8 years of experience, I’ve successfully delivered a wide range of mobile applications across various industries. My work is characterized by high-quality code, efficient architecture, and a user-focused approach. **Cross-Platform Mastery:** My expertise in Flutter and React Native enables me to develop apps that function seamlessly on both Android and iOS, ensuring a consistent user experience across platforms. **Design-Centric Approach:** I have a keen eye for UI/UX design, ensuring that the apps I develop are not only functional but also aesthetically pleasing and intuitive to use. **Effective Communication:** I prioritize clear, consistent communication, keeping you informed at every stage of the project. Your feedback is integral to the development process. **Commitment to Excellence:** I’m dedicated to delivering high-quality work on time and within budget. Your project’s success is my top priority. ----------------------------- 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: **Full-Cycle Development:** From initial concept to deployment, I manage every aspect of the development process, ensuring a seamless experience and a product that meets your needs. **Performance Optimization:** I focus on optimizing app performance, ensuring fast load times, smooth navigation, and a top-notch user experience. **Problem Solving:** I excel at troubleshooting and problem-solving, ensuring your app runs smoothly across different devices and platforms. **Continuous Support:** I offer ongoing maintenance and updates to keep your app relevant and performing optimally as technology evolves. 𝐋𝐞𝐭’𝐬 𝐁𝐫𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐭𝐨 𝐋𝐢𝐟𝐞: Whether you're looking to build a new mobile app, enhance an existing one, or resolve technical challenges, I have the skills and experience to make it happen. Let’s discuss your project and how I can help you achieve your goals. 𝐆𝐞𝐭 𝐢𝐧 𝐓𝐨𝐮𝐜𝐡: I’m passionate about leveraging cutting-edge technologies to create innovative mobile solutions. If you’re looking for a dedicated mobile developer who can turn your vision into reality, let's connect and explore how I can contribute to your project's success.
    Featured Skill Flutter
    Android SDK
    Laravel
    Mobile App Development
    Android Studio
    Dart
    API Integration
    QR & Barcode Scanner
    Swift
    React Native
    Java
    Kotlin
    Android
    iOS
  • $35 hourly
    • 4.7/5
    • (10 jobs)
    As the CEO of In-Flight Teams, I specialize in helping Retail and E-commerce businesses scale with omnichannel automation, CRM solutions, and custom software development. My goal is to empower your business with efficient, scalable, and high-impact technology solutions that drive growth and streamline operations. With over six years of experience in full-cycle software development, I bring expertise in building high-performing web applications, integrating seamless automation, and optimizing customer engagement through tailored digital solutions. Whether you're a startup or an established enterprise, I'm here to be your trusted tech partner 🤝. What I Offer: ✅ Custom CRM Solutions to enhance customer engagement and retention ✅ Omnichannel Automation for seamless retail and e-commerce operations ✅ Scalable Web & Mobile Applications tailored to your business needs ✅ Integration of APIs & Third-Party Services to optimize workflows ✅ Data-Driven Strategies for improving customer experience and sales ✅ Ongoing Maintenance & Support for long-term business growth Key Technical Skills: ☑️ Languages: JavaScript, TypeScript ☑️ Frameworks: React, Next.js, Node.js ☑️ Databases: MongoDB, Firebase, PostgreSQL ☑️ APIs: REST, GraphQL, WebSockets ☑️ Tools: Docker, CI/CD, Webpack, Vite ☑️ Automation & CRM: HubSpot, Salesforce, Custom-built solutions Why Work With Me? 🔹 Proven Track Record – Delivered 50+ successful projects globally 🔹 Industry Expertise – Deep understanding of retail & e-commerce challenges 🔹 Tailored Solutions – Focused on custom automation & growth-driven tech 🔹 Scalability & Performance – Ensuring long-term success of your business 🔹 Clear Communication – Transparent, proactive approach with regular updates Let’s collaborate and build high-impact solutions that take your business to the next level! 🚀
    Featured Skill Flutter
    FlutterFlow
    Azure DevOps
    AWS Application
    Supabase
    Swift
    Firebase
    Kotlin
    Next.js
    Mobile App
    NodeJS Framework
    React
    Android App Development
    iOS Development
    Dart
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    Hi profile viewer 🙋🏻‍♂️ Thanks for stopping by! My name is Jeremie, and I specialize in mobile app development with nearly 10 years of experience in the tech industry. My focus is on bringing your app ideas to life quickly and efficiently, whether it’s for iOS, Android, or cross-platform. 🚀 I can help you with: 📱 Mobile App Development using Flutter & Swift for fast and scalable MVPs. 🛠 Backend Integration to connect your app with necessary APIs and cloud services. ⚡ App Store Optimization (ASO) to boost organic downloads and visibility. 🔄 Cross-Platform Development for seamless experiences on both iOS and Android. 💬 In-App Features like user profiles, real-time chat, and push notifications. 💸 Monetization & A/B Testing strategies to maximize revenue and optimize user engagement. 🛡️ Ensuring App Security and compliance with data protection regulations. 💾 Data Management & Analytics to track user behavior and improve the app experience. 🚀 Quick Prototyping & Iteration to get your app to market in record time. 📊 Building APIs for seamless data integration. My mission is to help you build high-quality, user-friendly mobile apps that stand out in the market and drive success. Let's bring your app vision to life!
    Featured Skill Flutter
    Data Engineering
    ETL
    AI Product Management
    ChatGPT
    OpenAI Inc.
    Shopify Development
    Shopify Apps
    A/B Testing
    Tableau
    Looker Studio
    Data Visualization
    Data Analysis
    Data Scraping
    Python
  • $38 hourly
    • 5.0/5
    • (2 jobs)
    o One of the key individuals to help scale the startup from 17 to 150 employees in the course of 4 years. o Startup is now a 2nd fastest growing company in Slovenia. o Lead business development and successfully developed several markets: Switzerland, Belarus, Georgia, Russia, Israel, Belgium, the Netherlands, Luxembourg, France, Serbia, Portugal, Bulgaria, Ukraine, etc. o Fluent in English, Slovene, Russian, French, and Croatian. Currently also working on my Portuguese. o Lived, worked, and studied in Slovenia, Australia, France, Belgium, Kazakhstan, and Portugal. o Top 5% in academic rankings, o Double recognition by Beta Gamma Sigma charter o Member of TopEF club for the best students o Currently learning Flutter and Firebase
    Featured Skill Flutter
    Canva
    SaaS
    Team Management
    Firebase
    Public Speaking
    Key Account Management
    Business Development
    Intercultural Communication
    Contract Negotiation
    Low Code & RAD Software
    HubSpot
    Startup Company
    Energy & Utilities
    Sales Management
  • $60 hourly
    • 5.0/5
    • (3 jobs)
    As the Engineering Lead for a San Francisco-based startup, I leverage my expertise as a Full Stack Developer, Large Language Model (LLM) Specialist, and Stable Diffusion Engineer to develop innovative software solutions that drive real-world success. My professional journey includes using Stable Diffusion and LLM to boost marketing automation for restaurants, significantly enhancing cervical cancer detection through advanced diffusion models at the Fraunhofer Institute, and strengthening payment infrastructure at Switch. I hold a Master’s degree in Informatics and Computing Engineering, with deep expertise in Python, Generative AI, Stable Diffusion, LLMs, Linux, and Cloud technologies. My thesis focused on generative AI, further solidifying my foundation in this field. I am passionate about blending machine learning with full-stack development to achieve remarkable project outcomes. Are you ready to transform your visionary ideas into reality? Let’s connect and discuss how we can achieve your goals together!
    Featured Skill Flutter
    Generative AI
    Natural Language Processing
    PyTorch
    Computer Science
    Deep Neural Network
    Artificial Intelligence
    Deep Learning
    Database
    Computer Vision
    Laravel
    React
    C++
    Java
    Python
  • $45 hourly
    • 5.0/5
    • (1 job)
    I'm a versatile software engineer with 15+ years in IT and a $1B+ exit client case. I have extensive experience in building and supporting software products, working independently and leading teams. • I am currently passionate about front-end development, AI, and chess. • Consistently going above and beyond to help my clients succeed. • Able to provide technical support at all stages of product development. Have a project and need someone to help out? Let's connect.
    Featured Skill Flutter
    Leadership Skills
    Team Management
    Figma
    Tailwind CSS
    PostgreSQL
    Product Development
    MongoDB
    Vercel
    React
    AI App Development
    No-Code Development
    Low Code & RAD Software
    Next.js
    TypeScript
  • $50 hourly
    • 5.0/5
    • (9 jobs)
    10 years in Mobile App Development. Leading mobile and cross-functional teams. Growing, supporting and mentoring team members. Well know how business works and help to reach the goals. Transparent communication, clear deadlines and estimates as your expectations. Best combination of speed, quality and costs for you. Experienced of prototyping, designing and development of mobile application. Clear understanding client-server interaction, designing of database, designing of backend (server side) and UI/UX pattens and best practices. Developed mobile applications with server side API, authorization, databases, geo services, maps, in-app purchases etc. in such areas as eCommerce, Fitness, Delivery, Realty Estate, Datings. Hybrid Mobile Development on Flutter (Dart). Backend Development on Python. Telegram bots. Android tech stack: - Kotlin / Java - RxJava / Kotlin coroutines - Jetpack Compose - Dagger 2 / Hilt / Koin - MVVM / MVP / MVI - Databases and ORMs - Clean Architecture - Gradle & much more Other tech stack: - Flutter (Dart) - Python (Django) - PostgreSQL / MySQL
    Featured Skill Flutter
    Coroutine
    Cross Functional Team Leadership
    Project Management
    Team Management
    Object-Oriented Programming
    Git
    Android SDK
    Smartphone
    Dart
    SQLite
    Java
    Android App Development
    Android
    Kotlin
  • $45 hourly
    • 5.0/5
    • (13 jobs)
    Front-end-focused software engineer with 9+ years of experience across SaaS, Social Media, Marketplaces, eCommerce, Healthcare, and more. In the last 5 years, led an Upwork team of 1-6 professionals, delivering scalable solutions. Entrepreneurial experience running digital products enables me to contribute beyond development. I'm ready to use my experience and tech know-how to help companies reach their goals. Skills: React.js, Next.js, Vue.js, Nuxt.js, Angular, AngularJS, TypeScript, Node.js, Express.js. Other: React Native, Flutter, Ionic Framework. Familiar with: Docker, Bash Scripts, CI/CD.
    Featured Skill Flutter
    Gatsby.js
    TypeScript
    Node.js
    ExpressJS
    Apple Xcode
    Firebase
    Redux
    JavaScript
    Next.js
    Vue.js
    Nuxt.js
    React
    React Native
    Vuex
  • $100 hourly
    • 5.0/5
    • (5 jobs)
    Knowledge and will.
    Featured Skill Flutter
    Firebase
    AWS CloudFormation
    Salesforce
    Serverless Computing
    Google Cloud Platform
    API Development
    AWS Lambda
    JavaScript
    Python
    Laravel
    Node.js
    MySQL
    Amazon Web Services
    TypeScript
  • $44 hourly
    • 5.0/5
    • (3 jobs)
    🚀10+ years of experience in Web&Mobile Development. As a Senior Full-Stack Developer, I excel at rapidly integrating reliable web technologies and achieving flexible software architecture designs. I will help you protect the pulse of your business with exceptional software onboard. Inviting me, because of TOP-notch Tech Stack: 🖥 Front-End: JavaScript, React.js, React Native, Vue.js, Next.js, Nuxt,js ⌨️ Back-End: Python, Django, Flask, Sanic, Node.js, Express.js, Koa.js, Nest.js ⚙️ DevOps: AWS, GSP, Microsoft Azure, Docker, Docker Compose, Kubernetes, Ansible 💿 Database: MySQL, MongoDB, PostgreSQL, DynamoDB 📱UX/UI Design: Figma, Sketch, Adobe Creative Suite, Zeplin Works: 🌟𝐋𝐢𝐯𝐢𝐧𝐠 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 Is a Gamified Сybersecurity e-Learning Web Platform for 𝗙𝗼𝗿𝘁𝘂𝗻𝗲 𝟱𝟬𝟬 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀. 𝗦𝗲𝗿𝗶𝗲𝘀 𝗕 𝗙𝘂𝗻𝗱𝗶𝗻𝗴 𝘄𝗮𝘀 𝗰𝗼𝗹𝗹𝗲𝗰𝘁𝗲𝗱 thanks to 🔝 high product quality and user recognition. 𝟭𝗠+ 𝘂𝘀𝗲𝗿𝘀 are currently enrolled. 𝟭𝟬𝟬𝟬+ 𝘂𝘀𝗲𝗿𝘀 joined Living Security programs on the first day. 🌟𝐑𝐞𝐭𝐢𝐧𝐚 is a 𝙘𝙪𝙨𝙩𝙤𝙢𝙞𝙯𝙚𝙙 𝙎𝙖𝙖𝙎 𝙒𝙚𝙗 platform collecting retail tobacco licensing and enforcement data from state and local agencies for the Department of Justice. Was built specifically for 𝙩𝙝𝙚 𝘿𝙚𝙥𝙖𝙧𝙩𝙢𝙚𝙣𝙩 𝙤𝙛 𝙅𝙪𝙨𝙩𝙞𝙘𝙚 𝙞𝙣 𝘾𝙖𝙡𝙞𝙛𝙤𝙧𝙣𝙞𝙖 empowering communities to 𝙗𝙚𝙘𝙤𝙢𝙚 𝙝𝙚𝙖𝙡𝙩𝙝𝙞𝙚𝙧 𝙥𝙡𝙖𝙘𝙚𝙨 𝙗𝙮 𝙝𝙚𝙡𝙥𝙞𝙣𝙜 𝙥𝙪𝙗𝙡𝙞𝙘 𝙝𝙚𝙖𝙡𝙩𝙝 𝙥𝙧𝙖𝙘𝙩𝙞𝙩𝙞𝙤𝙣𝙚𝙧𝙨 and community members collect data on their local retailers, visualize disparities using maps, and mobilize for policy change. To future-proof your business, take a look at my portfolio as well and INVITE me right now! We will definitely find out the ways to Build the Software You Would Love.
    Featured Skill Flutter
    App Development
    Product Design
    iOS
    Android
    Node.js
    Mobile App
    Web Development
    Django Stack
    JavaScript
    React
    Python
    Next.js
    Django
    React Native
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    In my 3+ years as a mobile/web developer, I’ve delivered 10+ apps, including an AI-driven project for mental health that quickly reached 20,000 users. My results approach guarantees success for your project. 📚 My expertise includes: • Cross-Platform Mobile Apps (Flutter, React, FlutterFlow, Wappler) • Native iOS Apps (Swift) • Native Android Apps (Kotlin) • Web Apps (Flutter Web, Wappler, WeWeb, Framer) 👨‍💻 I have delivered projects to industries such as: • AI, • Health Care, • SaaS, • CRM, • Real Estate, • E-commerce, • Social Networking, • Educational Platforms, • GPS Trackers, • Maps, • Media and Entertainment (Music, Video, Podcasts and Streaming), • E-Learning (Education), • Wellness and Mental Health. ✨ Skills: • Flutter, • React, • React Native, • Kotlin, • Swift, • FlutterFlow, •WeWeb, • Framer. • Stripe, • OneSignal, • RevenueCat, • FCM Token, • Firebase, • Firestore, • Supabase, • SQL, • RESTful APIs, • Bloc/Cubit, • Dart, • Push Notifications, • Lottie Animations, • Unit and Integration Testing, • In-App Purchases, • App Localization, • Agora SDK. 🛠️ Tools: • Git, • Android Studio, • Xcode, • VScode, • App Store & Google Play Deployment, • TestFlight. 𝗜'𝗺 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗽𝗿𝗼𝘃𝗶𝗱𝗲 𝗳𝗿𝗲𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗲𝘀𝘁𝗶𝗺𝗮𝘁𝗲 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁. 👉 𝗖𝗹𝗶𝗰𝗸 𝘁𝗵𝗲 𝗜𝗻𝘃𝗶𝘁𝗲 𝗕𝘂𝘁𝘁𝗼𝗻! 𝗟𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝗶𝘁 𝘁𝗼𝗱𝗮𝘆. 🔑 Keywords: Mobile developer, Mobile app development, iOS developer, Android developer, Flutter, React Native, Swift, Kotlin, Cross-Platform development, Native app development, Web apps, Rive, Lottie, Headless CMS, Firebase, Firestore, SwiftUI, Push Notifications, Stripe Integration, OneSignal, RevenueCat, In-App Purchases, App Localization, GraphQL, RESTful APIs, MVVM, CI/CD, Agora SDK.
    Featured Skill Flutter
    Supabase
    API
    Figma
    Minimum Viable Product
    Firebase
    iOS
    Android
    User Experience
    User Interface Design
    UX & UI
    Framer
    WeWeb
    FlutterFlow
    Dart
  • $22 hourly
    • 4.8/5
    • (10 jobs)
    ➡️ Expert in MERN Stack, Next.js, TypeScript, Flutter, and React Native development. I build custom web applications, responsive designs, and scalable mobile solutions. Services include front-end and back-end development, technical consulting, code optimization, and deployment. 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: ✅ MERN Stack Development (MongoDB, Express, React, Node.js) ✅ Next.js Development ✅ TypeScript Development ✅ Custom Web Application Development ✅ Responsive Web Design ✅ Front-end Development (React, Redux, JavaScript) ✅ Back-end Development (Node.js, Express, MongoDB) ✅ RESTful API Development ✅ Web Application Testing and Debugging ✅ Deployment and Hosting (e.g., Heroku, AWS) I've developed scalable e-commerce platforms, high-performance Next.js apps, and robust RESTful APIs, achieving significant sales increases and user growth. My expertise in TypeScript, Flutter, and React Native has resulted in efficient development, improved performance, and high-rated apps. I've also optimized website load times, implemented DevOps practices, and ensured secure and responsive web designs. 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: ✅ Flutter App Development (iOS, Android) ✅ React Native App Development (iOS, Android) ✅ Cross-platform Mobile Development ✅ Native Mobile App Development (iOS, Android) ✅ Mobile UI/UX Design ✅ Mobile Application Testing and Debugging ✅ App Store Optimization (ASO) ✅ Mobile App Deployment and Publishing 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: ✅ Technical Consulting ✅ Code Review and Optimization ✅ DevOps Services (CI/CD, Automation) ✅ Web Security Auditing and Penetration Testing ✅ Performance Optimization and Scaling 𝘋𝘪𝘴𝘤𝘰𝘷𝘦𝘳 ➡️ 𝘗𝘭𝘢𝘯 ➡️ 𝘋𝘦𝘷𝘦𝘭𝘰𝘱 ➡️ 𝘛𝘦𝘴𝘵 ➡️ 𝘋𝘦𝘱𝘭𝘰𝘺 ➡️ 𝘔𝘢𝘪𝘯𝘵𝘢𝘪𝘯 & 𝘖𝘱𝘵𝘪𝘮𝘪𝘻𝘦
    Featured Skill Flutter
    PHP
    API
    Product Design
    Framer
    MERN Stack
    NodeJS Framework
    Firebase
    Android App Development
    ExpressJS
    Next.js
    React
    JavaScript
    Node.js
  • $37 hourly
    • 0.0/5
    • (1 job)
    - Flutter - Android Native Dev (Java/Kotlin) - iOS Native Dev (Swift) - API (NodeJS, Express) - Server - AWS, Docker, Kubernetes, CMS, CDN
    Featured Skill Flutter
    iOS
    Android
    iOS Development
    Firebase
    SQLite
    In-App Purchases
    In-App Advertising
    MongoDB
    Map Integration
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    I'm a Software Engineer from Portugal with experience in a lot of programming languages and frameworks. I like to develop and learn about everything tech related. I often embrace new challenges and I enjoy solving daily problems with the help of technology. Currently, I'm finishing my Master's Degree in Robotics and Intelligent System as I work as a freelance developer in any kind of projects! sousadev.com
    Featured Skill Flutter
    Android
    Bash Programming
    Kotlin
    Linux
    Python Script
    API Development
    Bash
    Python
  • $30 hourly
    • 5.0/5
    • (7 jobs)
    ✨Stay hungry, Stay foolish✨, said Steve Jobs, who is a co-founder, chairman, and CEO of Apple Company. I love this word and I am following it now. ✨✨✨ Why am I here ✨✨✨ The answer is "My everything is for YOUR BUSINESS SUCCESS". Maximize your business with my these services. 1. Responsive and adaptive mobile apps like Ecommerce, ERP, Education, On-Demand, AI, Wallet and Payment apps, etc. 2. Admin Panels, backend and websites for mobile apps. 3. Maintenance and improvement of developed mobile apps and admin panels on your demand. ✨✨✨ Who am I ✨✨✨ Professional computer programming services delivering reliable database and software solutions I have acquired 4+ years of professional experience in software development and architecture design. I have developed multiple desktop applications for industrial use. A few of them are being used by multiple automotive OEMs like Daimler, Porsche, and Toyota. My technology stack includes but is not limited to: ▪ Programming Languages: Node, Modern JS Frameworks, C++, Java, Python, C#, C, Android ▪ Web-Technologies: Flutter, Angular, React, Node, HTML5, JavaScript/typescript, Node.JS, REST Services ▪ C++ Libraries: STL, Qt, Boost, Eigen, Multi-threading ▪ IDEs / Software: MS Visual Studio, Eclipse, Unity I am an individual with adequate technical expertise, theoretical knowledge and the right kind of aptitude to responsibly get the work done within the specified time. I can do projects with great efficiency and accuracy. Hands-on experience of challenging projects in the past some years, together with my skillset makes me an appropriate choice for you. Thanks for visiting my profile.
    Featured Skill Flutter
    Software Testing
    Software Development
    CSS 3
    JavaScript
    Android
    Desktop Application
    React Native
    Angular
    Ionic Framework
    Mobile App Development
    C++
    C#
    PHP
    ASP.NET
  • $25 hourly
    • 5.0/5
    • (1 job)
    I am a dedicated and innovative software engineer with a passion for creating efficient and scalable solutions. With 8 years of experience in the software development industry, I have honed my skills in various programming languages and frameworks. My expertise spans full-stack development, database design, and system architecture. Web Development: HTML5, CSS3, JavaScript, Vue, React, Flutter, Node.js Backend Development: Python Databases: MongoDB, PostgreSQL Version Control: Git, SVN
    Featured Skill Flutter
    NestJS
    Nuxt.js
    Web Application
    Node.js
    Web Development
  • $25 hourly
    • 5.0/5
    • (1 job)
    👋 𝐎𝐥á! 𝐈'𝐦 𝐒𝐲𝐞𝐝 𝐒𝐮𝐟𝐢𝐚𝐧 — 𝐚 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫, 𝐚𝐧𝐝 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧𝐞𝐫 𝐛𝐚𝐬𝐞𝐝 𝐢𝐧 𝐋𝐢𝐬𝐛𝐨𝐧, 𝐏𝐨𝐫𝐭𝐮𝐠𝐚𝐥. With 8+ years of experience, I help businesses and startups worldwide build high-performance websites, scalable mobile applications, and user-friendly digital experiences. My work spans industries like SaaS, eCommerce, healthcare, AI solutions, food delivery, and on-demand services. 💼 𝐌𝐲 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞: 🌐 Web Development: Custom websites, web applications, and CMS solutions Tech stack: MERN Stack, PHP, Laravel, Next.js, and more 📱 Mobile App Development: Cross-platform Android & iOS apps using Flutter API integrations, secure authentication, cloud storage, and app store deployment 🎨 UI/UX Design: Website and Mobile App UI/UX Design with Figma, Adobe XD, and Sketch Wireframing, prototyping, and modern, responsive interfaces 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? 🔹 𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐒𝐤𝐢𝐥𝐥 𝐒𝐞𝐭: From Full Stack Web Development to Cross-Platform Mobile App Development and UI/UX Design, I offer complete digital solutions under one roof. 🔹 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐇𝐚𝐧𝐝𝐥𝐢𝐧𝐠: I manage everything from concept, wireframing, and design to development and deployment, ensuring a seamless experience for you. 🔹 𝐂𝐥𝐞𝐚𝐧, 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐚𝐧𝐝 𝐅𝐮𝐭𝐮𝐫𝐞-𝐏𝐫𝐨𝐨𝐟 𝐂𝐨𝐝𝐞: I focus on writing efficient, maintainable code and building solutions that grow with your business. 🔹 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬-𝐂𝐞𝐧𝐭𝐫𝐢𝐜 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: Every project is built with your business goals in mind whether it’s boosting conversions, improving user engagement, or launching a market-ready product. 🔹 𝐒𝐦𝐨𝐨𝐭𝐡 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧: I believe in clear communication, quick response times, and regular updates to keep projects moving smoothly. 🔹 𝐆𝐥𝐨𝐛𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: I’ve successfully worked with clients from Portugal, USA, UK, Australia, and beyond — managing time zones and expectations effortlessly. If you’re looking for a reliable Mobile App/Web Developer/Designer who delivers results. Let’s talk!! 🚀 _________________________________________________________________________
    Featured Skill Flutter
    CSS
    HTML5
    PHP
    Node.js
    Web Design
    Mobile App Design
    Hybrid App Development
    Web Development
    MERN Stack
    Mobile App Development
    Mobile App
    Django
    Python
    Artificial Intelligence
  • $35 hourly
    • 0.0/5
    • (1 job)
    🚀 I’m a passionate software engineer with experience in developing innovative applications and web solutions. Whether you’re aiming to scale your business, enhance user experiences, or build cutting-edge blockchain solutions, I can help. Skilled in: • Blockchain, DApps, and Web3 💎 • Next.js & React ⚛ • Flutter, Firebase and Supabase🔥 • Python, Django, Flask, and Pandas 🐍 • WebScraping (Selenium and BeautifulSoup) 🧹
    Featured Skill Flutter
    Supabase
    Firebase
    Dart
    CSS
    HTML
    Ethers.js
    Hardhat
    Solidity
    Next.js
    Node.js
    React
    JavaScript
    TypeScript
    Golang
  • $30 hourly
    • 5.0/5
    • (12 jobs)
    I understand the challenges you face and am ready to offer solutions. With over 6 years of experience in backend software development, I specialize in crafting robust and scalable solutions. My expertise spans PHP, Laravel, PostgreSQL, ElasticSearch, AWS, Docker, Redis, and more, enabling me to tackle diverse projects with ease. I thrive on leveraging cutting-edge technologies to drive innovation and tackle complex challenges. From optimizing backend processes to architecting scalable infrastructure, I excel in delivering high-quality solutions that enhance user experiences and drive business growth. In addition to my backend skills, I'm well-versed in frontend technologies like React and mobile development with Flutter. My collaborative approach and passion for learning ensure that I stay ahead in an ever-evolving tech landscape. 🚀 Backend Development: * PHP * Laravel * PostgreSQL * ElasticSearch * AWS * Docker * Redis * Livewire 💻 Frontend Development: * React * Vue.js 📱 Mobile Development: * Flutter 🛠️ Other Skills: * CI/CD * Agile Development Practices Let's collaborate to turn your ideas into reality and drive your business forward with innovative technology solutions.
    Featured Skill Flutter
    CMS Development
    PHP
    JavaScript
    HTML
    MySQL Programming
    Elasticsearch
    MongoDB
    Mobile App Development
    Laravel
  • $40 hourly
    • 0.0/5
    • (1 job)
    Now also on Upwork [ itcontractor telmoamaro com ] - Experienced software developer with over 20 years of expertise delivering cutting-edge solutions across industries like media, entertainment, education, safety, security, automotive, and aerospace. With an extensive portfolio of mobile apps, websites, and IoT solutions, my experience guarantees quality results and happy clients. Here are just a few examples of projects I specialize in: ✔ iOS and Android App Design and Development ✔ Native and Cross-Platform Mobile Apps ✔ E-commerce Websites ✔ API and SDK Development ✔ CRM Platforms ✔ Smart IoT Apps ✔ Drone solutions Development A few testimonials from satisfied clients: "Telmo's work on my project was of the highest quality. I would highly recommend anybody to hire him for any iOS or Android work that you need doing." — Mitchell L., United Kingdom ★★★★★ "My second carry-over project with Telmo was excellent. As expected, very professional and thorough." — Andy B., Belgium ★★★★★ My profile and successful track record demonstrate mastery in the following technologies: Mobile Development: ✔ Flutter ✔ Swift ✔ Objective-C ✔ Java ✔ Kotlin Web Development: ✔ Ruby on Rails ✔ Javascript ✔ Python ✔ Firebase ✔ API Development ✔ Backend & Database Design IoT & Hardware Integration: ✔ BLE Devices ✔ Robotics ✔ Drone Technology Server and Deployment: ✔ AWS S3 ✔ Google Maps & Apple Maps APIs ✔ CI/CD Pipelines If you are looking for someone who: ✔ Understands your product and its potential ✔ Can deliver exceptional results on time and budget ✔ Communicates clearly at every stage of development ✔ Treats your project like a top priority You’re in the right place! Let’s connect and make your vision a reality. I look forward to building a successful and rewarding partnership with you.
    Featured Skill Flutter
    CAD
    Web Development
    Drone
    Python
    Kotlin
    SQL
    Software Development
    Ruby on Rails
    iOS Development
    Android App Development
    Swift
    Objective-C
    C
    Java
  • $35 hourly
    • 4.9/5
    • (10 jobs)
    Over the last 8 years. I have developed and designed wide range of websites using React.js, Redux, HTML5, Css3, Less, Scss, ExpressJs, NodeJs, Graphql, Javascript, Flutter, Ios and toolkits like Typescript, ES6, PrimeReact, AG-grid, Style-component. I have also excellent skill developing Apis. I have designed sites for startup companies to large enterprise and work across several domains. I write clean and maintainable code , have great hands with modern UI and UX principals.
    Featured Skill Flutter
    Material Design
    Redux
    Angular
    CSS
    Vue.js
    TypeScript
    Node.js
    JavaScript
    Firebase
    MongoDB
    ExpressJS
    React
    Firebase Cloud Firestore
    GraphQL
  • $12 hourly
    • 0.0/5
    • (0 jobs)
    I’m here to bring your ideas to life with quality and creativity. I’m a full-stack developer passionate about innovation. With over 5 years of experience in backend infrastructure and cross-platform development, I specialize in building scalable solutions strongly focused on automation.
    Featured Skill Flutter
    Spring Framework
    Spring AMQP
    Spring Data
    Spring Boot
    Dart
    Magento
    Vue.js
    React
    Golang
    WordPress
    Python
    React Native
    Java
    JavaScript
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