Hire the Best Google App Engine Developers in Islamabad, PK

Are you looking for a reliable Mobile app developer who can turn your idea into a high-quality, scalable product for the next millions of users? ARE YOU - Looking for a mobile app development service starting from the design, development to release and publish a mobile app to Play Store and App Store for mobile app users/customers. - Looking for a mobile app developer who can integrate new features into your existing Android app, iOS app or Flutter app based projects? - Individual | Big company | Startup who wants to build and create Android app or iOS app from scratch? - Looking for a mobile app developer who can transform your idea into reality? - Someone who invests in the best so you get better results? If any of that is what you need, message me and I am here to help you. ’m a Senior Mobile App Developer with 10+ years of experience, specializing in building AI-powered mobile applications that go beyond traditional app development. I help startups, businesses, and founders create apps that are not just functional—but intelligent, scalable, and future-ready. My work focuses on integrating modern AI capabilities such as: Smart automation & workflows AI chat systems (ChatGPT & LLM integrations) Personalized user experiences Data-driven decision features I’ve contributed to apps used by millions of users worldwide, with a strong emphasis on performance, engagement, and real-world usability. Having worked with clients across 40+ countries, I understand how to build products that align with global user behavior and market needs. My experience spans across industries like: AI-driven SaaS & productivity apps E-commerce & smart marketplaces Health & fitness with intelligent tracking Fintech & automation tools On-demand & service-based platforms Social, streaming, and interactive apps I focus on building next-generation mobile apps that combine clean architecture with AI-driven features to give your product a real competitive edge. I specialize in these high-quality Mobile App Design and Development areas: - Android app development - Kotlin, Java, Android SDK, Android Studio - iPhone app development - Swift, SwiftUI, Objective C, iOS SDK, Xcode - Backend Development | Node.js - Cross Platform Mobile App Development using Flutter, Dart - UI/UX: Mobile design - Mobile & Web app design - UX/UI design - Landing page design Skills : - Have experience developing, releasing & maintaining applications as a Mobile app developer - Strong skills in executing pixel & animation perfect UI's relative to good app performance - Have great communication skills and ability to work with your team - Have a great understanding of MVC, MVP, MVVM and take great care to ensure each project is well-architecture with best practices and easily maintainable so it can be enhanced as feature grows. - The ability to take initiative and work independently with very little supervision - Application requirement analysis - Translating requirements to technical languages In addition to Mobile app development services, my topic areas of expertise include: - Mobile Application Architect - Native Mobile Application Development consultation - Mobile Application UI/UX design using Figma, Adobe XD - Mobile Application backend services Firebase, AWS Mobile Hub - Mobile Application backend development: Node, Express, TypeScript, JavaScript, MongoDB, MySQL, PHP, RESTful API development, Google App Engine - Website development, Web Scraping, Web Admin Panel, CMS Development - Chatbot development, Facebook Messenger If you still think this is right for you, contact me. Thank you in advance for your time and consideration. Kind Regards Nawaf Shahid P.S. - When you work with me your satisfaction is 100% guaranteed. - Every person who ever worked with me got results. EVER! - Even if you don’t hire me now, keep my profile link in case you need a Mobile App Developer later. __________________________________________________________________________ ----------------------------------------------------- Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best MERN Stack Developer, RESTful API Developer, API Integration, Frontend Developer, React.js, Backend Developer, Nodejs, Javascript, Figma, UI/UX Design, Prototype, In-app purchases, Location, Payment Gateway Integration, Apple Xcode, Android Studio, Push notifications, User authentication, User profile creation, QA, Unit Testing, Regression Testing, Dating App, Ecommerce App, Ride Booking App, 3rd Party SDK Integration, SQLite, MySQL, Firebase Cloud Firestore, Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Phone, Full Stack Developer, iPad, OpenAI ChatGPT LLM, ChatGPT API Integration

I am a Mobile App Publishing Expert for No‑Code & Web App Launch | Base44, Lovable, Bubble | iOS & Android Publishing I help founders and indie developers launch Native or No code and web apps on the Apple App Store and Google Play without the usual headaches. If you’ve built your app using conventional coding or Base44, lovable.dev, Bubble, or a custom web app and are stuck at wrapping, certificates, provisioning, TestFlight, or App Store approval, I handle the entire launch process end‑to‑end. What I do best: ✔ No‑Code / Web‑to‑App Wrapping • Wrapping Base44 & web apps using Median or Capacitor • Bundle ID setup & configuration • WebView validation for App Store compliance ✔ Apple App Store & TestFlight Launch • App Store Connect setup • Certificates, provisioning profiles & signing • TestFlight builds & beta distribution • App Store guideline compliance & rejection fixes ✔ Google Play Store Publishing • Play Console setup & app publishing • AAB signing, versioning & releases • Policy compliance & pre‑launch testing ✔ Pre‑Launch Checks • Store‑readiness review • Login & flow validation • App Store rejection risk assessment I work using proper App Store roles and certificates — I never require your Apple ID password. I have 7+ years of experience launching apps for clients in the US, Europe, and Middle East, and I specialize in being the last‑mile launch partner who gets apps live. If your app is ready, I’ll get it published.

💡 𝗜 𝘄𝗶𝗹𝗹 𝗿𝗲𝘃𝗶𝗲𝘄 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽 𝗶𝗱𝗲𝗮 𝗮𝗻𝗱 𝘀𝘂𝗴𝗴𝗲𝘀𝘁 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁𝘀 𝗳𝗼𝗿 𝗳𝗿𝗲𝗲 𝗯𝗲𝗳𝗼𝗿𝗲 𝘄𝗲 𝘀𝘁𝗮𝗿𝘁. Are you facing issues with slow apps, crashes, low user retention, or poor monetization? Many mobile apps fail due to bad architecture, unoptimized performance, weak UI/UX, or lack of a clear growth strategy. I help businesses build high-performance, scalable, and revenue-generating mobile apps. With 5+ years of experience in Android & iOS native development, I focus on clean architecture, smooth user experience, strong backend integration, and advanced monetization strategies to turn your idea into a successful product. ▶ 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✔ Native Android & iOS Development ✔ Scalable & High-performance app architecture ✔ MVVM, Clean Architecture, SOLID Principles ✔ UI/UX with Jetpack Compose & SwiftUI ✔ App monetization & user growth strategies ✔ AI-powered mobile applications ▶ 𝗦𝗸𝗶𝗹𝗹𝘀 ✔ Kotlin, Java, Swift ✔ Jetpack Compose, SwiftUI, UIKit, XML ✔ Coroutines, Flow, Retrofit, REST APIs ✔ Room Database, SQLite, Firebase (Full Suite) ✔ AdMob, Meta Ads, AppLovin, Mediation ✔ Google Maps SDK, MapBox API ✔ ML Kit, AI APIs (OpenAI, Gemini) ✔ Web Scraping & Data Extraction ✔ In-App Purchases, Subscriptions, Billing ✔ Push Notifications (FCM), Deep Linking ✔ BroadcastReceiver, Services, ViewBinding ✔ Third-party SDK integrations ▶ 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 ✔ Full-cycle Mobile App Development (Android & iOS) ✔ MVP Development for Startups ✔ UI/UX redesign with modern frameworks ✔ API integration & backend connectivity ✔ Ads & Monetization strategy implementation ✔ Firebase integration (Analytics, Crashlytics, FCM, Remote Config) ✔ App performance optimization & scaling ✔ Bug fixing, maintenance & upgrades ✔ App Store & Play Store publishing ✔ Feature development & long-term support ▶ 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✔ Senior Mobile App Developer – Zestlog AI (Oct 2024–Present) ✔ Team Lead / Senior Mobile App Developer – Nano Solutions (2024–Present) ✔ Senior Android Developer – CoreDesk (Apr 2022–Sep 2024) ✔ Android Developer – Westmark (Nov 2020–Apr 2022) ▶ 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 ✔ Mobile Applications ✔ AI & Chat Applications ✔ Productivity & Utility Apps ✔ Maps & Navigation Systems ✔ Custom Tools & Keyboard Apps ▶ 𝗗𝗼𝗺𝗮𝗶𝗻 ✔ E-commerce & Marketplace Apps ✔ Social & Communication Apps ✔ AI-based & Chatbot Applications ✔ Location-based & Tracking Apps ✔ Subscription-based Business Models ▶ 𝗧𝗼𝗼𝗹𝘀 ✔ Android Studio, Xcode ✔ Firebase Console ✔ Google Play Console, App Store Connect ✔ Jira, Slack, Bitbucket, GitHub ✔ AdWords, Analytics Tools ▶ 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? ✔ Clean, scalable & maintainable code ✔ Performance-first development approach ✔ Strong debugging & problem-solving skills ✔ Focus on user retention & monetization ✔ Reliable communication & on-time delivery ▶𝗟𝗲𝘁’𝘀 𝗪𝗼𝗿𝗸 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿 Have an idea or need to improve your existing app? Send me a message, and let’s build something powerful and profitable. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: android developer, ios developer, mobile app developer, kotlin, java, swift, jetpack compose, swiftui, firebase, admob, app monetization, mobile development, rest api, retrofit, room database, sqlite, coroutines, flow, mvvm, clean architecture, google maps sdk, mapbox api, ai integration, openai api, gemini api, in app purchase, subscriptions, push notifications, firebase cloud messaging, crashlytics, analytics, remote config, ui ux design, performance optimization, app store deployment, play store publishing, web scraping, chatbot development, multilingual apps, deep linking, third party sdk integration, app scaling

Are you struggling to find a developer who can seamlessly build and integrate your app across Android, iOS, and the web? I’m Muhammad Rashid, a Full-Stack Mobile Engineer with 8+ years of experience, 2000+ Upwork hours, and a 100% Job Success Score, helping businesses transform ideas into high-quality mobile apps and scalable platforms. I’ve successfully delivered 30+ mobile apps and backend platforms across industries including telemedicine, telecom, logistics, POS systems, KDS platforms, e-commerce, and Islamic apps. Why Choose Me? 🏆 Upwork Expertise ✅ TOP RATED Freelancer (Top 10% on Upwork) ✅ 2000+ Upwork hours with 25+ successful projects ✅ 100% Job Success Score with excellent client feedback 🚀 Proven Track Record 1️⃣ Delivered 30+ production mobile apps and backend systems 2️⃣ 8+ years of professional development experience 3️⃣ Experience building high-performance POS & KDS systems used in live restaurant environments 4️⃣ Strong background in scalable backend APIs and complex mobile architectures 🤝 Client-Focused Approach ✔ Clear communication and fluent English ✔ Reliable delivery and strict deadline adherence ✔ Flexible and budget-friendly solutions without sacrificing quality 🧪 Risk-Free Trial I offer a 4–5 hour trial task so you can evaluate my skills and working style before committing. 👨‍💻 Direct Collaboration No agencies or middlemen. When you hire me, you work directly with the developer building your product. What I Offer 📱 Mobile App Development Android (Kotlin, Java) iOS (Swift) Flutter Cross-Platform Development 3rd-party integrations (Google Maps, Payment Gateways, Push Notifications, Firebase) ☁️ Backend Development Spring Boot, Node.js, PHP REST & GraphQL APIs Cloud deployment (AWS, Google Cloud, Firebase) 💻 Frontend Development HTML, CSS, JavaScript React.js (modern, responsive interfaces) Figma-to-Code pixel-perfect implementations 🛠️ Database Management Room, SQLite MySQL, PostgreSQL MongoDB Firebase Firestore 🎨 UI/UX Optimization Jetpack Components & Navigation Responsive mobile-first layouts Smooth, intuitive user experiences My Development Process 1️⃣ Consultation – Understand your product idea and goals 2️⃣ Planning – Define milestones, features, and timeline 3️⃣ Design – Create intuitive and engaging UI/UX 4️⃣ Development – Build scalable and maintainable code 5️⃣ Testing – Rigorous QA for a stable, bug-free product 6️⃣ Deployment – Launch on Play Store, App Store, or Web Skills & Tools Languages: Kotlin, Java, Swift, Flutter, TypeScript, PHP, JavaScript, HTML, CSS Frameworks: Spring Boot, Node.js, Express.js, React.js, Hilt, Retrofit, Jetpack Components Databases: Room, SQLite, MySQL, PostgreSQL, MongoDB, Firebase Firestore Tools: Android Studio, Xcode, Git, Jenkins, Figma

Hi, I'm a software developer with 5+ years of experience in mobile apps and website development. I specialise in building: • Native & cross-platform applications using Java and Swift • Websites and web apps using PHP, WordPress, HTML/CSS, and Shopify • AI-powered applications using Base44 and wrapper app development around leading AI models (ChatGPT, Claude, Gemini, and more) • Custom AI integrations to your business workflow • Create a custom Chatbot, Mobile app, and systems using AI Industries I have successfully delivered projects in: E-Commerce | Food & Delivery | Taxi & Transportation | Finance | Dating | Video Streaming | Health & Fitness | Services You need a polished Shopify store, a robust mobile app, or a smart AI-powered tool built on Base44 or wrapped around an existing AI API I have the skills and experience to bring your vision to life. Feel free to reach out. Let's build something great together. Kalim.

Although my history on Upwork is limited, I am a TOP-RATED freelancer on this platform with a 100% Job Success Score (JSS), ranking among the top 10% of freelancers. Beyond Upwork, I have a long and successful track record, having delivered hundreds of projects globally. I have collaborated with SMBs, enterprise clients, and Fortune 500 companies, including HUAWEI, consistently delivering exceptional results. With over 15 years of extensive experience in Web Design & Development, Mobile App Development, UI/UX Design, and Digital Marketing, I bring a comprehensive skill set to every project. As a seasoned full-stack developer, I also excel in project management and team leadership, ensuring high-quality outcomes and client satisfaction. MY EXPERTISE: 🎓 👨🏻‍💻 🤝 ✔ Web Development (Front-end & Back-end): As a full-stack developer, I handle all aspects of web development, from backend scripting to frontend design. Utilizing technologies like PHP, Laravel, React.js, and more, I deliver robust and scalable web solutions tailored to your needs. ✔ Mobile App Development: From concept to deployment, I specialize in developing customized mobile apps for iOS and Android platforms. Combining functionality with elegant design, I create apps that resonate with your target audience. ✔ WordPress Development: I specialize in designing and developing WordPress-based websites, offering a comprehensive range of services from theme and plugin development to customizations from scratch. I am an expert with all popular themes and plugins, including Hello Theme, Avada, Be Theme, and more. Additionally, I am proficient in using builders like Elementor, Divi, Beaver Builder, Genesis, and Visual Composer, ensuring your website is both functional and visually stunning. ✔ Digital Marketing: Craft strategic digital marketing campaigns to enhance your online presence, drive traffic, and maximize conversions. I specialize in SEO, PPC, SMM, and ASO to ensure your brand stays ahead in the competitive digital landscape. ✔ Graphics Designing: Transform ideas into visually stunning graphics that effectively communicate your brand message. From logos to marketing materials, I create designs that leave a lasting impression. ✔ UI/UX Designing: Prioritize user experience with intuitive and seamless interface designs. Whether for websites or mobile apps, I ensure your digital platforms captivate and engage users. ✔ Cloud and Hosting Management: Ensure your digital infrastructure runs smoothly with expert cloud and hosting management services. From setup to optimization, I handle all aspects to keep your online presence secure and reliable. MY SKILLS: 🎓 👨🏻‍💻 🤝 - Laravel, PHP, MySql - React Js, Next Js, Node Js, React Native - WordPress Website Design & Development - WordPress Premium and Custom Themes and Plugins Development - WordPress Customizations - WooCommerce & Shopify - Bootstrap, JavaScript, jQuery, HTML, CSS - UI/UX Designer - Webflow & Wix - Frontend & Backend Developer - Website & Mobile App Maintenance - NetSuite Expert - CSM, CRM, ERP Solution Proivder - SEO, ASO Expert - Digital Marketing and Social Media Marketing Expert - Google Ads / PPC - Email Template Design & Automation - AI Tools Integration to Website and Mobile App - Facebook/Instagram Ads - LinkedIn Ads - Project Manager - Any kind of hosting, cloud, and server management PROJECT MANAGEMENT AND TEAM LEADERSHIP: 👨🏻‍💼 📋 💼 ◉ Project Manager: With a knack for project management, I ensure that timelines are met, budgets are adhered to, and deliverables exceed expectations. ◉ Team Lead: Leading by example, I foster collaboration and bring out the best in my team. Together, we achieve project success through effective communication and streamlined workflows. WHY CHOOSE A MULTIFACETED EXPERT: 🚀 🚀 🚀 ✅️ Proven Excellence: My Top-Rated status reflects a consistent commitment to delivering exceptional results across diverse projects. ✅️ End-to-End Solutions: As a full-stack developer, project manager, and team lead, I offer comprehensive solutions for your digital needs. ✅️ Client-Centric Approach: Your satisfaction is my priority. I work closely with clients to understand their goals and deliver tailored solutions that align with their vision. LET'S TRANSFORM YOUR DIGITAL JOURNEY: 👌 Ready to take your digital presence to new heights? Let's collaborate to create innovative solutions that drive growth and success for your business. Reach out today, and let's embark on this exciting digital journey together. Feel free to reach out, and let's embark on a journey to elevate your digital presence. Thanks.