𝗜 𝗵𝗲𝗹𝗽 𝘀𝘁𝗮𝗿𝘁𝘂𝗽𝘀, 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲𝘀, 𝗮𝗻𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁-𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝘁𝗲𝗮𝗺𝘀 𝗯𝘂𝗶𝗹𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗴𝗿𝗮𝗱𝗲 𝗶𝗢𝗦 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝘁𝗵𝗮𝘁 𝗮𝗿𝗲 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝘁, 𝗮𝗻𝗱 𝗯𝘂𝗶𝗹𝘁 𝗳𝗼𝗿 𝗹𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 𝗴𝗿𝗼𝘄𝘁𝗵. With 8+ years of advanced iOS engineering experience and 25+ successfully delivered applications, I specialize in architecting high-performance Swift & SwiftUI applications across FinTech, HealthTech, SaaS platforms, and marketplace ecosystems. 𝗜 𝗱𝗼𝗻’𝘁 𝗷𝘂𝘀𝘁 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 - 𝗜 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗺𝗼𝗯𝗶𝗹𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 𝘄𝗶𝘁𝗵 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲, 𝗿𝗲𝘃𝗲𝗻𝘂𝗲 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲, 𝗮𝗻𝗱 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲-𝗴𝗿𝗮𝗱𝗲 𝗿𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 • Swift & SwiftUI (modern, production-grade architecture) • UIKit (legacy support, refactoring & migrations) • Clean Architecture & MVVM (modular, scalable codebases) • RESTful & GraphQL API integrations • Firebase (Authentication, Firestore, Analytics, Crashlytics) • Stripe, Apple Pay & In-App Purchase systems • Subscription lifecycle management & revenue flows • Real-time communication (socket-based systems) • CI/CD pipelines (GitHub Actions, Bitrise, Xcode Cloud) • Performance tuning & memory optimization • App Store deployment, compliance & release management 𝗥𝗲𝗮𝗹-𝗪𝗼𝗿𝗹𝗱 𝗜𝗺𝗽𝗮𝗰𝘁 • Architected and delivered 25+ App Store applications • Designed payment-enabled platforms processing real transactions • Increased application responsiveness by up to 40% via optimization audits • Built scalable marketplace and SaaS mobile infrastructures • Implemented secure health-data and subscription-based ecosystems • Ensured 99.9% operational stability through analytics & monitoring systems 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗦𝗲𝗿𝘃𝗲 FinTech HealthTech SaaS Platforms Subscription-Based Products Marketplace Applications Enterprise Mobile Solutions 𝗠𝘆 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵 • Architecture-first engineering mindset • Clean, well-documented, maintainable code • Structured milestones with predictable delivery • Strong collaboration with founders & product stakeholders • Long-term scalability and revenue optimization focus If you need a senior iOS engineer who can take ownership from system design → development → optimization → App Store launch, I am ready to contribute at a high level. 𝗟𝗲𝘁’𝘀 𝗯𝘂𝗶𝗹𝗱 𝗮 𝗺𝗼𝗯𝗶𝗹𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘁𝗵𝗮𝘁 𝗶𝘀 𝗯𝘂𝗶𝗹𝘁 𝘁𝗼 𝘀𝗰𝗮𝗹𝗲.

★ 9+ years of experience ★ 100% Job Success ★ 5.0 Star ★ Custom UI Expert ★ Fluent English I pay extreme attention to app architecture and UI quality my works are quick to respond, have a beautiful look, and have excellent support. 🌟Skills

: ✅ iOS development ✅ MVVM development ✅ MVP & Prototyping 🌟Technical Skills: • Objective-C/Swift languages • Firebase services • Geolocation, Google Maps expert • App monetization​ • Social Networking Integrations • In-App Purchase • Database Management (SQLite, PostgreSQL, CoreData) • Push notification, APNS, FCM • Chat (Firebase, XMPP, Quick box, SocketIO, socket cluster, Twilio) 🌟Why choose me? ➡️ Track record of successfully completed application ➡️ Work independently without the need for micro-managing ➡️ Clear and concise communication every step of the way ➡️ Proactive problem-solving attitude 🌟Industries I have worked in: ➡️ Sports - Education ➡️ Social ➡️ Transportation and Logistics ➡️ Health & Fitness ➡️ E-Commerce I believe my client's success to be my success !)

Greetings Reader!! 🏆 Certified Salesforce Platform Developer I & II + JavaScript Developer I. 11 years mastering Salesforce automation AND native mobile development (iOS/Android/Flutter). I don't just code—I architect complete solutions with my team: Salesforce integration, mobile apps, APIs, testing, and App Store deployment. Skills: - Apex, Lightning, IICS Informatica, Triggers, workflow, flow - Swift and Objective C - Flutter, Dart, State management tools (Provider, bloc) - Xcode IDE, Cocoa, UIKit, AFNetworking, Git, SVN, Jira - iPhone (IOS 7.x, 8.x, 9.x, 10.x, 11.x), iPad (IOS 7.x, 8.x, 9.x,10.x, 11.x), iPod - Kotlin and Java, Apex, RX java, RX android, Jetpack - Android Studio, Git, SVN, Jira - Geofencing and Map implementation - Social API integration (Facebook, Twitter, LinkedIn, Google+, etc.) and Analytics - Google Pay, PayPal, Stripe and various other 3rd party integrations - Local/ remote notifications - Enterprise distribution - Cryptography, Authentication, and/or other security Domains expertise: - Hospitality Apps: Hotel booking, Concierge service, bookings, and service scheduling - Social Networking apps and Event Tracking - On-demand platform: Job Marketplace, Handyman Services, and Delivery. - In-house apps: Kiosk Customization I represent an organization thereby I can help you with the overall project development starting from designing, back-end development, mobile app development, testing to app deployment on the store. I have developed projects for domains ranging in healthcare, retail, compliance, marketing/e-commerce. We also follow the Agile approach based on TDD methodology along with the use of project management tools for better communication and tracking of project development with daily scrum, MOMs, weekly sprints, and project reviews along with bi-monthly code reviews. Whether it's developing an Android, IOS, or Salesforce application from scratch, all your requirements will be handled efficiently. It's a PROMISE! Looking forward to working with you. Regards Davinder syall

🥇TOP-RATED ✅ Upwork Verified ⭐ 5-star ratings 🔰 8 years of experience 💎 $30k+ Earning 💯 100% JOB SUCCESS 🕛 Full-time availability ☎️ Excellent Communication Skills Senior Full Stack Mobile App Developer and a TOP RATED Freelancer on Upwork, specializing in native and hybrid mobile apps (IPhone/Android/IPad) development, with strong expertise in React Native, Flutter, Kotlin, Java, and Swift. I have successfully designed, developed, and published 100+ mobile applications, with excellent ratings and happy users. My Skills: ✅ iPhone Mobile Applications using Objective C, Swift ✅ Android Mobile apps using Java, Kotlin, ✅ XML/JSON parsing, soap response, and web service ✅ In-app purchase, Braintree, Stripe, CCAvenue payment integration ✅ Firebase Push Notification (FCM) ✅ Chat & Messaging Engine: XMPP, OpenFire, Quickblox, Firebase, Twilio ✅ Social Media (Facebook, Instagram, Google+, Twitter, Linkedin, etc) Integration ✅ Google Analytics, Flurry, Fabric, Crashlytics, Image editor SDK, dropbox SDK ✅ Geo-Location, GPS, Google Map API, Apple Map API ✅ Trello, Jira, Slack, Asana project management tool ✅ Apple/Google Play Store submission ✅ Chart boost API integration ✅ Xamarin, C# ✅ IOT, BLE, AWS, Kubernetes, Docker My Mobile Apps Project Experience: ✅ Wireframe and UI/UX design ✅ Auto layout ✅ Firebase ✅ GCM or FCM ✅ One Signal SDK for push notifications ✅ Social Networking app, Dating Mobile app ✅ Social Event and Messaging Mobile app ✅ Geolocation Mobile app, ✅ Food Delivery Mobile app ✅ Online ordering Mobile app ✅ Audio and video calling ✅ Scheduling Mobile app ✅ Fitness Mobile app ✅ Barcode/QR Scanning Mobile App I am an expert on creating mobile apps from scratch including app design, web services, back-end, and app development, publish the apps on App Store & Play Store. Please contact me and share your requirements. Thanks

I'm a battle-tested Top Rated Plus full-stack React Native developer with 8+ years crafting high-performance hybrid and cross-platform apps for iOS, Android, tablets, and beyond. I've delivered 100+ apps from MVPs that launched in weeks to enterprise solutions scaling to millions of users boosting client retention by 40%+ through seamless UX, rapid iterations, and rock-solid performance. Let's turn your idea into a revenue-generating powerhouse. Core React Native Expertise 🔺Mastery in building innovative, scalable apps with these battle-proven skills: 🔺Backend Integration: REST APIs, JSON/XML, PHP; cloud backends (AWS, GCP). Tech Stack: React Native (Redux expert), Swift, Kotlin, Flutter, Java, SwiftUI; native builds via Xcode. 🔺Databases: SQLite, MySQL, Postgres, MS-SQL. 🔺Real-Time Features: XMPP, Socketio, Firebase chat; geolocation, Google/Apple Maps, GPS tracking. 🔺Monetization & Analytics: Stripe, PayPal, Braintree; in-app purchases, ads, push notifications, Google Analytics, SKADNetwork. 🔺Advanced: QR/barcode/VIN/NFC scanning; AR/VR, IoT, fitness/health apps; MVP/MVC architectures; Appcelerator Titanium Proven React Native Services I specialize in: ▶Cross-platform apps for iOS (iPhone/iPad/Apple Watch/TV) and Android. ▶Custom updates, maintenance, and support. ▶Mobile games, IoT, AR/VR experiences. ▶Full-stack development from concept to launch. Seamless Collaboration & Delivery I keep projects on track with your preferred tools: 🔺Upwork, JIRA, Azure DevOps, Asana, Trello, Zoho Projects. 🔺Daily stand-ups, milestone reports, and 100% transparency delivering ahead of schedule, every time. Ready to wow your users? Message me with your app vision!

I am an ios , react native, react, next js, node js , flutter developer with 9+ year of Experience. Since I have started working as mobile application developer, I have been spending every spare minute writing code and learning new things regarding mobile application development. I have a great skill in developing both native platform applications. Additionally to development I also do maintenance of old project I have developed for different clients. I also help them to setup their team and manage multiple resources as well. I can step in take over wherever you need. Get in touch with me by sending me "AN INVITATION" or "AN OFFER"... I have done these products ex. # Jeet ride taxi app hybrid applications # Lockstepconnect app hybrid applications 1:- hai texii ( IPhone App ) . This is based on taxi app, customers and driver phase . Version Swift 2:- OBairs (IPhone App). This is basically service provider app like Urban clap. In this project i completed customer and provider phase. Version Swift 3:-Satta matka (IPhone App). This is based on batting app. Version Swift 4:- fancy11 (IPhone App ). This is based on batting app like Dream 11. Version Swift 5:- br chat (IPhone App). Basically this is based on chatting app.. I used XMPP framework for single, multiple and broadcast messaging. Version Objective c 6:- AWFR grocery (iPhone app) this is based on groceries delivery app. Version Swift

Video streaming engineer. FFmpeg, GStreamer, WebRTC. I build video infrastructure for web and mobile products. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱: → Live streaming platforms with RTMP, HLS, and WebRTC → Video transcoding and compression pipelines with FFmpeg → Adaptive bitrate streaming for OTT and VOD apps → Real-time video calling and screen sharing with WebRTC → Reels, short-form video, and media upload systems → RTMP server setup with Nginx for multi-platform streaming → Automated media workflows with Python, Node.js, and n8n → Cross-platform mobile apps with React Native and TypeScript → Full stack backends with Node.js, Firebase, Supabase, and AWS I shipped a social commerce app with custom FFmpeg video compression, real-time XMPP chat, and 7+ React Native apps live on App Store and Google Play with 100% approval rate. 𝗧𝗲𝗰𝗵 stack: FFmpeg, GStreamer, WebRTC, HLS, DASH, RTMP, Nginx-RTMP, React Native, Node.js, Python, TypeScript, Next.js, NestJS, AWS, Docker, Firebase, Supabase, MongoDB, PostgreSQL, OpenAI API, Stripe Message me with your project details.

Expert Ionic Developer and object-oriented programming. The sphere of my knowledge includes the next technologies - Hybrid App using React Native, IONIC Framework, Ionic+Cordova, React, Angular, MongoDB, Node+Express, Postgre, PostgreSQL, JavaScript, Java, Objective C, SWIFT, Android Studio, Docker, and so on. Top Level Expertise : - Angular Js, Ionic Capacitor, Ionic Cordova, Firebase, NFC, NgRX, JavaScript (ES6+), Typescript - Ionic, ionic v5, Ionic CLI, Ionic UI components, Ionic Plugins, (Cordova, iOS, Material Design) Angular PWA, Capacitor. Node JS, framework, - HTML, CSS, JavaScript, Typescript, DOM, ( Mobile / Web app development ) 🔹 My expertise at your disposal 🔹 ✩ UI/UX Design ✩ I design apps and websites that stick. The stickier the app or website, the higher the retention rate. My design process is human-centered and iterative. To design engaging user experiences for web and mobile applications, I put people and their needs first. ✩ Agile Methodology ✩ Reduced technical debt, better customer satisfaction, a higher quality product. I adhere to Agile principles so you could get better business value and flexibility from software delivered on an incremental basis. ✩ Mobile App and Web development ✩ I build iOS and Android apps using Swift, Kotlin, Java, Objective-C, Ionic and React Native. Further, I use HTML, CSS, Bootstrap, Javascript, React JS, Angular JS and many more for web development. Aren't sure which technology is the best fit for your project? Don't worry, I'll help you figure it out! I have developed a wide range of Cross Platform based Hybrid iOS & Android apps along with apps for Android devices which includes Nook and Kindle Fire. I am versed in using the following tools ✅ OOPS ✅ React Native, React ✅ Ionic Framework, Ionic, HTML5, CSS3, Angular Js (2-12),VueJs, Typescript, Javascript ✅ Redux ✅ CAPACITOR ✅ CORDOVA ✅ Onesignal ✅ In-app Purchase ✅ JavaScript ✅ Subversion, Git ✅ iPhone/iPad/iOS10, Android Apps ✅ Node+Express ✅ Backend services like google firebase, AWS lambda, Cognito ✅ Custom backend in ROR and Codeigniter ✅ MongoDB ✅ Postgre & PostgreSQL ✅ Docker ✅ FIREBASE ✅ SUPABASE ✅ NESTJS ✅ MONGODB ✅ Google Map service, open street maps, KML Overlay implementation, Apple Map service, Geo Location ✅ Facebook, Google Maps, Twitter API integration, etc. ✅ IAP Experience, Push Notification ✅ Firebase Crashlytics, Firebase Analytics ✅ MVVM, Agile Methodology & Subversion control (GIT, SVN) ✅ App Store/Google Play Market submission process ✅ Speech recognition, text-to-speech, App Siri ✅ Chat API’S: Video Conferencing (Zoom/Twilio, XMPP,) ✅ Advertisement (iAd, Adwhirl, Admob, Revmob, Chartboost, Flurry, Localytics) ✅ OpenGL ES Experience ✅ Unix Command line (Mac OS X, Ubuntu, Fedora) management ✅ PSD/Sketch/Figma design's convert to Hybrid Applicaiton Glad to assist you in your mobile apps development. I possess good communication skills which allows me to communicate effectively. Thanks, Manish Sharma

🚀 Full Stack Developer with 3+ Years of Industry Expertise Hello there! I'm a passionate and experienced Full Stack Developer with a solid 3-year track record in building robust and scalable solutions for various social apps and websites. My expertise lies in crafting seamless user experiences and efficient backend systems using the MERN stack. 🔧 Technical Proficiency: Backend Development: I specialize in Node.js, Nest.js and Express, with hands-on experience in MongoDB and MySQL for database management. I've successfully implemented backend solutions for multiple social apps, ensuring optimal performance and reliability. Frontend Technologies: My skills extend to crafting responsive and visually appealing user interfaces using HTML, CSS, SASS, Bootstrap, and React.js. I take pride in creating engaging websites that provide an exceptional user experience. 🌐 MERN Stack Mastery: I excel in building end-to-end applications with the MERN stack (MongoDB, Express.js, React.js, Node.js). From conceptualization to deployment, I ensure seamless integration and optimal functionality across the entire stack. 🛠️ Toolbox: Proficient in version control systems like Git. Familiarity with Agile development methodologies. Strong problem-solving skills and a keen eye for detail. 👨‍💻 Passion for Quality: I am committed to delivering high-quality code and solutions that meet or exceed client expectations. Attention to detail, clean code practices, and a focus on performance are paramount in my development approach. 🤝 Collaborative and Communicative: I believe effective communication is key to successful projects. I am responsive, open to feedback, and dedicated to fostering a collaborative working relationship with clients. If you're looking for a Full Stack Developer who can bring your project to life with precision and expertise, feel free to reach out. I'm excited to discuss how I can contribute to your success!

I am a senior Web developer with 10+ years of development experience in PHP, CodeIgniter, Laravel, Restful API service development, custom UI development and integration, third party SDK integrations, and hosting management. My career highlights include: ● 10+ years of web development and support experience ● Experienced in Solution Architecture and Systems Design ● Experienced full stack developer on PHP, CodeIgniter, Laravel, ReactJS, NextJs, NodeJs, Strapi HTML, CSS, Ajax, Javascript, XMPP, MySql, Apache ● Experienced in handling customer relations, project design, and technical architecture ● Experienced with eCommerce Marketplace Integrations - Amazon, eBay, Jet, Sears, Walmart, Overstock, Etsy, Flipkart, Paytm, Mynta, Jabong, snapdeal ● Capabilities around conducting business process and system analysis and design including Inventory Management, Order Management, Warehouse Management, Purchase Order, Dropshipping ● Proven logic building skills in working with client teams ● Excellent verbal and written communication skills