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Muhammad A.
$20/hr
100% Job Success
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𝗡𝗲𝗲𝗱 𝗮 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝘄𝗵𝗼 𝗰𝗮𝗻 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮 𝗶𝗻𝘁𝗼 𝗮 𝗿𝗲𝗮𝗹 𝗽𝗿𝗼𝗱𝘂𝗰𝘁? 𝗟𝗲𝘁’𝘀 𝗺𝗮𝗸𝗲 𝗶𝘁 𝗵𝗮𝗽𝗽𝗲𝗻! 🚀 🤖 I’m a 𝗽𝗿𝗮𝗴𝗺𝗮𝘁𝗶𝗰 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿 who builds efficient and stable 𝘄𝗲𝗯 and 𝗺𝗼𝗯𝗶𝗹𝗲 solutions. I focus on writing clean, maintainable code and creating products that perform well under real-world conditions. My mission is to help you build applications that are fast, secure, and built to scale. 📊 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗔𝘁 𝗮 𝗚𝗹𝗮𝗻𝗰𝗲 • 4+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in software engineering and digital product development. • Delivered 23+ production-ready projects for international clients • Focused on 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗰𝗿𝗼𝘀𝘀-𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀, 𝗮𝗻𝗱 𝗰𝗹𝗼𝘂𝗱 𝗯𝗮𝗰𝗸𝗲𝗻𝗱𝘀. 💡 𝗦𝗸𝗶𝗹𝗹𝘀 𝗮𝗻𝗱 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🖥️ 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱 • JavaScript (ES6+), TypeScript • React.js, Next.js, React Native • Tailwind CSS, Material UI, Ant Design, Chakra UI, SCSS, SASS, HTML5, CSS3, GSAP • React Hook Form, Formik, Zod, Yup • Redux Toolkit, Redux Thunk, Redux Saga, MobX, Context API 🧩 𝗕𝗮𝗰𝗸-𝗘𝗻𝗱 • Node.js, Express.js, Nest.js, Python • MongoDB, PostgreSQL, MySQL, SQLite, Firebase, Supabase • JWT Auth, OAuth2, Role-Based Access, Strapi (CMS) 🔗 𝗔𝗣𝗜𝘀 𝗮𝗻𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 • REST APIs, GraphQL • Stripe, PayPal, MyFatoorah, Google Maps, PubNub, Firebase Functions, WebSockets, In-App Purchases, • React-Tinder-Card, Deck Swiper ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 • AWS (EC2, Lambda, S3, CloudFront) • GitHub Actions, GitLab CI, AWS CodePipeline 🧠 𝗧𝗼𝗼𝗹𝘀 & 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 • Git, GitHub, GitLab, Bitbucket, ClickUp • JIRA, Trello, Asana • Grafana, Metabase, Sentry 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝘀 • Cross-platform development with React Native • Real-time features with Firebase and PubNub 𝗕𝘆 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗪𝗶𝘁𝗵 𝗠𝗲, 𝗬𝗼𝘂 𝗪𝗶𝗹𝗹 🛠️: 🧰 𝗦𝗼𝗹𝘃𝗲 𝘆𝗼𝘂𝗿 𝘁𝗲𝗰𝗵 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 I identify and fix performance issues, design scalable architectures, and deliver smooth deployments that handle real traffic. 📅 𝗦𝘁𝗮𝘆 𝗼𝗻 𝘀𝗰𝗵𝗲𝗱𝘂𝗹𝗲 𝗮𝗻𝗱 𝗼𝗻 𝗯𝘂𝗱𝗴𝗲𝘁 You get structured execution, milestone tracking, and consistent communication from start to finish. 🤝 𝗪𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗮 𝗺𝘂𝗹𝘁𝗶-𝘀𝗸𝗶𝗹𝗹𝗲𝗱 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 I cover every layer, from UI to backend and cloud. You get one engineer who manages the full cycle efficiently. 💬 Let’s create something that drives real impact. Reach out today, and let’s transform your idea into a scalable, high-performance application your users will value.
$20/hr
100% Job Success
Available now
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Are you looking for an AI-powered React Native developer to bring your mobile app vision to life? My frontend services helped my clients raise their businesses, including companies like Zura, Squire, Anyone, Docent, etc. 🏆 5 years in application architecture design 🥇 I have spent over **4 years** serving as a full-stack mobile developer. During this time, I have developed and supervised multiple mobile applications, from architectural layout to production development, and have given great importance to the business flow, Planning, and mapping the solution according to my clients' requirements. I am prone to using AI-powered tools to enhance my capabilities and to provide my clients with the best experience and solutions to their problems. I’ve worked on several apps. Mainly, I focus on code quality, performance, and scalability of the apps. Besides these, client satisfaction is my utmost duty. I have many happy clients, working with startups and companies. 🏆 Technical Skills: ➨ React Native & Expo & React: Building fast, cross-platform mobile/web apps with modern UI/UX. ➨ JavaScript & TypeScript: Writing clean, scalable code for dynamic apps. ➨ Node.js & Express: Building fast, scalable server-side APIs and services. ➨ Redux & Redux Toolkit & Context API: Managing complex state with efficiency and clarity. ➨ Firebase& Supabase & AWS: Real-time databases, authentication, serverless functions. ➨ GraphQL & React Query & RESTful APIs: Seamless data exchange, third-party integrations. ➨ Native Modules: Extending React Native with custom native code for advanced features. ➨ CI/CD: Automating deployment pipelines with GitHub Actions, CircleCI. ➨ Docker: Containerizing apps for consistent environments. ➨ PostgreSQL & MongoDB: Managing data with SQL and NoSQL databases. ➨ Jest, Mocha, Maestro: Unit and integration testing for reliable code. ➨ WebSockets & Socket.io: Real-time communication for interactive apps. ➨ Languages: HTML, CSS, JavaScript ➨ Components: Class and Functional, React Hooks, State ➨ App UI: Pixel Perfect, Material UI, Light & Dark modes. ➨ State Management: Redux, MobX, Classes & React Context API. ➨ Offline/Online Handling ➨ Networking: Rest APIs, Firebase APIs, Socket.io, SignalR, PubNub ➨ Google Map: Android SDK, IOS SDK, Places Auto Complete, Geocoding, Geolocation, Directions ➨ Chat App: Socket.io, SignalR, Firebase ➨ Audio/Video Calling/Streaming: Agore.io, Twilio & WebRTC ➨ Notifications: Firebase, OneSignal & PubNub ➨ Analytics: Google Crash Analytics, Sentry & branch.io ➨ In-App Ads: Google AdMob, Facebook Ads ➨ Social Logins: Facebook, Google, Instagram, Apple login 🌟 Your Project Deserves Excellence 🚀 Ready for a Digital Transformation? Whether you're revamping an existing platform or starting from scratch, my expertise in React Native will guide your project to success. 💡 Let's Partner Up! Together, we can transform your ideas into stellar mobile applications.
Saifullah A.
$25/hr
100% Job Success
$200K+ earned
Available now
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🏆Built and Grew WAWCD, a CRM tool, to over 25K+ active users which is now generating approximately $150K in annual revenue. This tool integrates seamlessly with WhatsApp, offering features like message templates, contact imports, bulk messaging, and synchronization, all built using Next.js, TypeScript and Tailwind CSS. 🏆 Helped build Wedlii, Australia's first AI-powered wedding planner, helping couples discover venues, vendors, and inspiration while organizing their big day with smart planning tools. Led its development using Node.js, Nest.js, React, and PostgreSQL, ensuring a seamless and scalable platform that efficiently handles user data and optimizes user experience. 📈For me, it’s all about results and creating value. You can find plenty of experienced developers around, who can do the development job for you, but what I care about most is how I can contribute to your project's and business's growth. 🎯I specialize in Full-stack development | API integration | DevOps practices | UX/UI design and development | Database architecture | Responsive web design | Real-time communication solutions | Testing and QA | Agile project management | Performance optimization | Problem solving | Client-focused partnership | Technical consulting | User experience advocacy 🛠️My Expertise ✔Languages and Frameworks: HTML/CSS, Javascript, ReactJS, NodeJS, ExpressJS, TypeScript, GraphQL, NextJS, React Native, Redux ✔IDEs: Visual Studio Code ✔Project Management Tools: Asana, Pivotal Tracker, Trello, Jira, Slack, Teamwork, Flow ✔Web Services: Heroku, Docker, Digital Ocean Services, AWS S3, Google Cloud Storage, AWS EC2, AWS Lambda, Firebase, CI/CD ✔Relational Databases: PostgreSQL, MySQL ✔Non-Relational Databases: MongoDB ✔E-commerce Platforms: Shopify, BigCommerce ✔Search Engines: Elastic Search ✔Web Real-Time Communication: PubNub, Socket,io ✔Authentication: Auth0, OpenID Connect, JWT ✔Testing Tools: Mocha, Jasmine, Jest ✔Payment Gateways: Stripe, PayPal ✔AI Chatbot Builder and Messaging Services: Twilio, Twilio Programmable Messages ✔Social Integrations: Google Plus, Facebook, Twitter ✔Mailing Services: SendGrid, Mailchimp ✔Locations: Google Maps ✔Additional Skills: AI model integration, natural language processing and machine learning implementations to enhance user experience and functionality 🤝🏽I focus on understanding your needs and delivering high-quality results that truly support your goals. Let’s build something meaningful together 🙌
Oleg I.
$50/hr
100% Job Success
$10K+ earned
Offers consultations
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Senior React Native (Expo) Developer helping startups turn ideas into polished iOS & Android apps — from MVP validation to production launch. I help founders and businesses transform concepts into reliable mobile products. With a background as a Senior Business Analyst as well as a developer, I don’t just write code — I help clarify requirements, challenge assumptions and find the fastest path to a successful product. From initial discovery and Figma prototypes through development, testing and App Store / Play Store release, I can support your entire mobile journey. RECENT SOLUTIONS I’VE BUILT: 🚀 AI-powered language learning app * ChatGPT-powered conversations and learning tools * On-device AI translation and language assistance * Subscription-based premium features 📍 Location-based relocation recommendation app * Personalised recommendations based on workplace location and user preferences * Google Places and location intelligence integrations 🏥 Healthcare mobile application * React Native iOS and Android development * Private on-device AI assitant and eligibility checker * Notifications and backend integrations 💰 AI-powered finance and savings MVP * AI features for personal finance workflows * Firebase backend integration * MVP development from concept to working product 💬 Real-time communication applications * Chat rooms and messaging features * PubNub and Firebase integrations * Push notifications and user management I CAN HELP YOU WITH: 📱 Mobile app development * React Native + Expo applications for iOS and Android * Single maintainable codebase across platforms * App architecture, development and App Store / Play Store deployment 🤖 AI-powered applications * ChatGPT and Gemini integrations * AI assistants and conversational experiences * AI text recognition and automation workflows 🔥 Firebase and backend solutions * Authentication (including Apple and Google Sign In) * Firestore / Realtime Database * Cloud Functions * Third-party API integrations 📍 Advanced mobile features * Maps, Places API and location-based services * Geofencing and navigation workflows * Offline-first applications for limited connectivity environments * Camera and custom device features 💳 Monetisation * In-app purchases and subscriptions * Paywalls using RevenueCat * Stripe payment integrations MY APPROACH: ✓ Product-focused development — building the right features, not just more features ✓ Clear communication and agile delivery process ✓ Multiple technical approaches considered before implementation ✓ Clean, maintainable code designed for future growth TECHNOLOGIES: React Native, Expo, TypeScript, Firebase, Firestore, Cloud Functions, Google APIs, OpenAI, Gemini, RevenueCat, Stripe, PubNub, Figma If you have an idea for a mobile product, I can help you validate it, build the MVP and take it towards launch.
Vinod K.
$15/hr
100% Job Success
Available now
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𝐓𝐎𝐏-𝐑𝐀𝐓𝐄𝐃 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐑𝐞𝐚𝐜𝐭 | 𝐍𝐨𝐝𝐞.𝐣𝐬 | 𝐏𝐲𝐭𝐡𝐨𝐧 | 𝐒𝐚𝐚𝐒 | 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐄𝐱𝐩𝐞𝐫𝐭 I’m a full-stack developer with a passion for turning ideas into clean, functional web and mobile apps. Whether it’s an iOS/Android app or a fast, scalable web platform. I can help you build it from the ground up or jump in mid-way and bring it to the finish line. I work with modern stacks like React, Next.js, EJS, Node.js, Django, React Native, Firebase, and AWS. From dashboards to marketplaces and real-time tools, I’ve built a range of products as per client needs. If you have an idea, a rough draft, or an unfinished build. I can help shape, refine, and launch it. I don’t just execute tasks I bring suggestions, think ahead, and care about the end result. Looking for a Full Stack Developer who blends technical excellence with a strategic, business-first mindset? I specialize in building robust, high-performance apps—whether you need a cross-platform mobile app, AI-integrated chatbot, SaaS dashboard, or scalable backend API. 👉 Services Offered: 𝟏. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: React.js, Next.js, Vue.js, Angular, TypeScript, Svelte Node.js, Nest.js, Python, Express.js, Django, Flask, GraphQL, REST APIs 𝟐. 𝐀𝐈/𝐌𝐋 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: OpenAI (GPT), LangChain, Zapier, AI-powered chat interfaces, automation workflows, personalized recommendation engines 𝟑. 𝐒𝐚𝐚𝐒 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: CRM, ERP, healthcare portals, job boards, inventory & logistics solutions 𝟒. 𝐂𝐫𝐨𝐬𝐬-𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: React Native, Flutter, PWA, Bluetooth apps, real-time features, location tracking 𝟓. 𝐑𝐞𝐚𝐥-𝐓𝐢𝐦𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 & 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐓𝐨𝐨𝐥𝐬: Firebase, Twilio, PubNub, WebSockets, in-app notifications 𝟔. 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐆𝐚𝐭𝐞𝐰𝐚𝐲𝐬 & 𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: Stripe, Razorpay, PayPal, secure checkout flows, scalable product architecture 𝟕. 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐥𝐨𝐮𝐝 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: CI/CD pipelines, AWS (Lambda, Cognito, EC2, S3, Amplify), GCP, Docker, scalable cloud architecture 𝟖. 𝐌𝐨𝐧𝐢𝐭𝐨𝐫𝐢𝐧𝐠 & 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧: Sentry, Rollbar, Datadog, Honeybadger, speed and reliability enhancements 𝟗. 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: MongoDB, PostgreSQL, MySQL, MariaDB, DynamoDB – optimized schema & querying 𝟏𝟎. 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 & 𝐓𝐡𝐢𝐫𝐝-𝐏𝐚𝐫𝐭𝐲 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: YouTube, Facebook, Instagram, GPS, Maps, QR/Barcode scanning 🎯 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞: 1 ) I write clean, maintainable code not quick fixes 2 ) I’m easy to work with, communicate clearly, and respect deadlines 3 ) I can jump in at any stage: from scratch, mid-project, or for post-launch improvements 4 ) I stick around if you need future updates or features, I’ve got your back 📌 𝐓𝐨𝐩 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: React Developer, Full Stack Engineer, Node.js Expert, SaaS Specialist, Python Developer, AI Chatbot, GPT Integration, Zapier Automation, CRM/ERP Developer, Stripe Integration, Cloud DevOps, Fintech & Healthcare Software, Reusable Component Developer Ready to transform your idea into a high-performance product? 📩 Let’s connect and build something great starting today!
Future IT Touch Pvt. Ltd.
Associated with
Future IT Touch Pvt. Ltd.
Imtinan Z.
$30/hr
100% Job Success
$30K+ earned
Available now
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Senior AI Solutions Architect | 10x Development Speed with Cursor & Claude | Next.js & Nest.js I am a Senior AI-First Full Stack Developer with 7 years of experience, specializing in helping startups bridge the gap between "standard web apps" and "intelligent ecosystems." By leveraging an AI-native workflow (Cursor & Claude 3.5), I deliver the output of a 3-person team while maintaining the architectural precision of a Senior Engineer. From architecting custom RAG systems and autonomous AI agents to building high-performance mobile apps in React Native, I manage the entire lifecycle from concept to scale. Whether it’s integrating GPT-4o into complex MERN stacks or automating business logic with agentic workflows, I build production-ready solutions that don't just "chat" - they perform. 🎯I specialize in AI-driven Full-stack development | Agentic Workflow automation | LLM & RAG architecture | High-performance API integration | AI-native DevOps & CI/CD | Intelligent UX/UI design | Scalable Database architecture | Real-time AI communication solutions | Human-in-the-loop Testing & QA | Agile AI project management | LLM Performance optimization | Rapid MVP development | Strategic AI consulting 🛠️My Expertise ✔ AI & Intelligence: Claude 3.5 Sonnet, OpenAI (GPT-4o), LangChain, Prompt Engineering, RAG (Retrieval-Augmented Generation) Architecture ✔ AI Tools & Automation: Cursor (AI-First IDE), n8n, Zapier, v0.dev, Claude Code, Python (Data Analysis with Pandas) ✔ Full-Stack (MERN): Next.js, Nest.js, Node.js, React.js, TypeScript, GraphQL, Redux, Express.js ✔ Mobile Development: React Native (AI-integrated mobile apps) ✔ Databases & Vector Stores: Pinecone (Vector DB), MongoDB, PostgreSQL, MySQL, Firebase ✔ Web Services & Cloud: AWS (EC2, S3, Lambda), Vercel, Docker, Google Cloud, CI/CD ✔ Real-Time Communication: Socket IO, WebRTC, PubNub, Twilio (Messaging/Voice) ✔ Authentication & Security: JWT, Auth0, OpenID Connect (Secure AI interfaces) ✔ Payment & E-commerce: Stripe, PayPal, Shopify, BigCommerce ✔ Testing & Quality: Jest, Mocha, Jasmine (Human-in-the-loop verification for AI code) ✔ Project Management: Jira, Slack, Asana, Trello, Teamwork ✔ Mailing & Maps: SendGrid, Mailchimp, Google Maps API Additional Skills: Building Agentic Workflows, AI-driven SaaS platforms and Rapid MVP development with 10x delivery speed. ⚡Ready to move from concept to a high-performance launch? Click the 'Invite' button and let’s get to work!
$35/hr
100% Job Success
$300K+ earned
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Hello! I can build a visually compelling user interface or single-page application for you. I have excellent knowledge of object-oriented programming and software design patterns. My preferred language of programming is TypeScript, plus I know JavaScript very well. For frontend development I use the React and Vue.js libraries as well as Redux and Vuex for state management. Sass and Less are my top choices for web-page layout building and styling. I use Webpack for bundling my modules. My backend development experience involves Node.js and the NestJS framework. MySQL, PostgreSQL and MongoDB are among the databases I've worked with. I also used Redis for session storage. Some of the libraries I'm experienced with: Redux-thunk, redux-saga, Socket.IO, PubNub, Moment.js, Sortable.js, React-Beautiful-dnd. TypeORM on the backend. Passport.js for authorization. I use Git for version control of my code. Hands-on experience with GitHub, GitLab, Bitbucket. My English is fluent and I enjoy discussing technical aspects of web development projects. Let's have a conversation and I'll share my ideas with you!
FUSION TECH | Top-Rated Plus
Associated with
FUSION TECH | Top-Rated Plus
$4M+
earned
$10/hr
$2K+ earned
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Experienced Mobile Developer with 9+ years in mobile app development, specializing in ANDROID, FLUTTER and FLUTTERFLOW platforms. Proven track record of developing applications across various categories for Android, iOS, and Flutter. Known for delivering quality products with exceptional customer satisfaction and providing round-the-clock customer support when needed. Expert in modern Android architecture patterns, Katlin, Dart, and cross-platform development best practices. Strong background in leading development teams and mentoring junior developers. Core Competencies: • 9+ years of Android App Development experience • 5+ years of Flutter App Development experience • Team leadership with expertise across multiple technologies • Customer-focused approach with 24/7 support availability Technical Skills Mobile Development • Android: Katlin, Java, Android SDK, Jetpack Compose, XML Layouts • Flutter: Dart, Widget Framework, State Management (Bloc, Provider, Riverpod), FlutterFlow • Cross-Platform: React Native (basic), Xamarin (basic) Architecture & Patterns • MVVM, MVP, Clean Architecture, Repository Pattern • Dependency Injection (Dagger, Hilt, Getlt, Injectable) • Reactive Programming (RxJava, RxDart) Backend & APls • REST APls, GraphQL, WebSocket • Firebase (Auth, Firestore, Cloud Functions, FCM) • Room Database, SQLite, Hive, SharedPreferences, Realm Development Tools & Practices • Git, GitHub, GitLab, Bitbucket • Cl/CD (GitHub Actions, GitLab Cl, Fastlane) • Testing (Unit, Integration, Widget Testing, Espresso, Mockito) • Agile/Scrum, Jira, Cloud & DevOps • Google Cloud Platform, AWS (basic) • App Store & Google Play deployment Areas of Expertise Communication & Payment Systems • NFC implementation for terminal and peer-to-peer communication • Stripe payment method integration using peer-to-peer and chain methods • In-App purchases, subscription management and Revenuecat Location & Mapping Services • Location-based applications using GPS, Network, and Fused location • Google Maps Direction API, Route API, AdMob, AdSense, and Geocoding • Flutter Google Map API and background location services Data Management • Offline & Online synchronization using Room, Realm, SQLite Database • JSON & SAX Parsing • API consumption and creation • Flutter REST APls integration Social Media Integration • Flutter Firebase Integration and Authentication • Flutter Firebase Chat (Private & Group chat) • Google, Facebook, Twitter, lnstagram, Linkedln integration (Native & Flutter) Additional Technologies • Socket and WebSocket. • W3 server events and PubNub integration
Ashebir T.
$10/hr
100% Job Success
$30K+ earned
Available now
Offers consultations
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I specialize in building scalable, high-performance web applications using React, Node.js, Spring Boot, Flutter, and Vue. With 6+ years of experience, I have successfully developed secure, API-driven solutions that improve efficiency and user engagement. 🛠 Tech Stack & Expertise: ✔ Front-End: React, Vue.js, Nuxt.js, Next.js, JavaScript (ES6+), TypeScript ✔ Back-End: Node.js, Express, Nest.js, Spring Boot, PHP, Java, Laravel, Microservices Architecture ✔ Mobile Development: Flutter ✔ Database Management: MySQL, PostgreSQL, MongoDB, Hibernate ✔ API Development: OAuth 2.0, RESTful APIs, Third-Party Integrations ✔ Real-Time Messaging: PubNub, Firebase Cloud Messaging (FCM), WebSockets ✔ Cloud & DevOps: AWS, Google Cloud, Docker ✔ Payment Gateway Integration: Stripe, PayPal ✔ Security & Compliance: GDPR, HIPAA-compliant data handling 💡 Why Work With Me? ✅ API Integration Expert – Integrated HubRise with a restaurant mobile app for seamless order management. ✅ Real-Time Functionality – Used PubNub, Firebase, and WebSockets for instant push notifications and messaging. ✅ Scalable & Secure Development – I follow best practices to ensure performance, security, and maintainability. ✅ Microservices & Cloud Deployment – Designed and deployed microservices-based applications on AWS and Google Cloud. ✅ Seamless Payment Integration – Experience integrating Stripe and PayPal for secure transactions. ✅ Agile & Scrum Development – Experienced in working within Scrum teams to deliver projects efficiently. ✅ Clear Communication & Reliability – I ensure smooth collaboration and timely project delivery. I am always eager to help businesses turn ideas into reality by leveraging cutting-edge technologies. Let’s discuss how I can contribute to your next project! 📩 Reach out today—I'm excited to collaborate!
Ahmad R.
$28/hr
100% Job Success
$200K+ earned
Available now
Offers consultations
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Need a full-stack developer who ships AI-powered SaaS that Fortune 500 teams actually use? I've delivered $5M+ in business value for Amazon, Warner Brothers, and Moment House — 6,500+ hours, Top Rated Plus, top 1% on Upwork. I don't just write code — I architect end-to-end systems where AI, cloud infrastructure, and product thinking converge. My edge is combining 10+ years of enterprise backend depth (NestJS, Node.js, microservices, AWS) with modern AI integration (OpenAI, LangChain, RAG pipelines, AI agents) and a full frontend stack (Next.js, React, TypeScript). Most developers hand you a working app. I hand you a scalable business asset. Here's what I build: - AI-Powered Applications — LLM integration, RAG pipelines, AI agents, OpenAI/Claude/Gemini, LangChain, vector databases - Full-Stack MERN & SaaS Platforms — Next.js, React, Node.js, NestJS, GraphQL, REST APIs, WebSockets - Cloud-Native & Serverless Architecture — AWS (Lambda, SQS, EC2, S3, CloudFront), Docker, CI/CD, microservices - E-Commerce & Integrations — Shopify custom apps, Stripe, multi-currency platforms, HubSpot, Salesforce - High-Performance Backends — PostgreSQL, MongoDB, Redis, DynamoDB, Prisma ORM, Supabase Recent outcomes: - AI Recruiting Platform — 60% reduction in hiring time, 45% improvement in candidate quality - High-Volume Payment System — 10,000+ daily transactions at 99.9% uptime - Enterprise SaaS Collaboration Suite — 40% productivity boost across distributed teams - Multi-Brand E-Commerce Platform — $2M+ in incremental revenue for entertainment clients - Top Rated Plus — Top 1% of Upwork freelancers - Fortune 500 clients: Amazon, Warner Brothers, Moment House - $5M+ in measurable business value delivered - 6,500+ hours logged on Upwork across 40+ projects - 4.97 rating across all completed contracts - Certified: TypeScript Complete Developer's Guide | NestJS Fundamentals If you're building an AI-powered product, scaling a SaaS platform, or need a senior full-stack engineer who owns the entire delivery — send me a message. I respond within a few hours and offer a free 30-minute discovery call to scope your project.
Techticks
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Techticks
$10K+
earned