Hire the Best Google App Engine Developers

Clients rate our Google App Engine Developers
Rating is 4.7 out of 5.
4.7/5
Based on 142 client reviews
Marcos M.

San Francisco, California

$75/hr
4.9
379 jobs

Have an app idea but not sure where to start? A few years ago, I was sitting exactly where many of my clients are today: trying to turn an idea into an app. After years of mistakes and learning to code, I ended up building SchooLinks, which grew into an Inc. 5000 business and raised over $90 million. Since then, I focus on designing and developing apps for founders and entrepreneurs with no technical background. People who have identified a problem that an app could solve, but they don't know how to build it. They have the vision, but they don't have the tech partner. And these are the results my clients have gotten: • $350M+ raised by clients • 2M+ users across products built • 10K+ five-star reviews across products built • Top 1% in App Design & Development on Upwork Book a consultation with me today! I’ll save you months of frustration by helping you understand the ins and outs of bringing an app to life: How much it costs, how long it takes, what’s the process and more. The apps I’ve built usually come in the form of: SaaS platforms, internal platforms, Mobile & web apps, Marketplace apps. Trusted By: Harvard, Samsung, Indeed, Yamaha, University of South Florida, and more. Technologies: OpenAI, Claude, Gemini, Flutter, Node.js, Angular, AWS, MongoDB, Figma If you’re serious about building your app the right way, let’s talk!

  • Mobile App Design
  • Mobile App Redesign
  • UI/UX Prototyping
  • Android
  • iOS
  • Web Application
  • Mobile App Development
  • Front-End Development
  • UX & UI
  • User Experience Design
  • iOS Development
  • Android App Development
  • Software Development
  • JavaScript
  • User Authentication
Akshay P.

Noida, India

$25/hr
5.0
200 jobs

I help startups and businesses build AI-powered SaaS platforms, marketplaces, and automation systems that reduce manual work and scale operations fast. I build production-ready web and mobile applications by combining 19+ years of hands-on development experience with AI-powered tools like Claude—shipping faster without compromising code quality, architecture, or UX. I also specialize in transforming outdated web apps into modern, AI-driven platforms with a clean, maintainable architecture so you’re not dependent on developers. for every small change. You’ll be able to handle minor updates yourself using AI tools like Codex or Claude. If you're looking for someone who understands both technology AND business outcomes, you're in the right place. 🚀 Core Expertise: AI-powered SaaS platforms Marketplace development (buyer/seller/admin systems) Business process automation Scalable backend architecture Custom dashboards & admin panels 🧠 How I Help You Whether you're launching an MVP or scaling an existing product, I can help you: ✅ Build your SaaS product from scratch ✅ Automate repetitive workflows using AI ✅ Develop secure and scalable backend systems ✅ Create seamless web & mobile applications ✅ Improve performance and reduce operational costs ⚙️ Tech Stack (Only What Matters) Mobile Application Development: We develop hybrid / cross-platform mobile applications using React Native CLI / EXPO, REDUX, and Flutter / Dart. PWA/progressive web application (React.js). Web Application Development: Full-Stack Development, Front-End Development, Back-End Development. MVP Development. SaaS development, Multitenancy Product Development. E-commerce & Social Media Websites. Front End Development: TypeScript, React.js, React remix, vite.js, Next.js, Vue.js, Nuxt.js, Tailwind CSS Back-end Development: Python (Django / flask / FastAPI), PHP (CodeIgniter / Laravel), Node.js (typescript), Express.js, Nest.js, fastify, Strapi Database: MongoDB, MySQL, PostgreSQL, SQLite, Amazon Redshift, MariaDB, AWS DynamoDB Tools & Technologies: Bitbucket, GitHub, Firebase, Websocket, Redis, Nginx, EC2, S3, RDS, and EBS (Elastic Block Store). 🤝 Let’s Work Together If you’re looking for: A reliable long-term developer Someone who understands business, not just code Fast execution with scalable architecture 👉 Let’s discuss your project. My experience spans various domains, as outlined below. 1. Asset management system: a web application and mobile applications for iOS and Android. 2. Location live tracking and WiFi data scanning: a web application and mobile applications for iOS and Android. 3. Habit-tracking mobile application for iOS and Android. 4. Retreat and hotel booking engine: Web Application. 5. Ticket booking system with live seat selection: web application. 6. Shipping container calculator: web application. 7. Job board mobile application and web application. 8. SaaS for hospital care and home care companies: web application and mobile application. 9. Courses booking system: A web and mobile application along with a scheduling system. E-Learning PWA: Learning languages and mobile app development. 10. SaaS for project management and task management. 11. Boutique hotel and retreat website designing. 12. Equipment rental e-commerce website development. 13. Event posting and chat system: mobile application development. 14. Development of a Bible reading mobile application with a subscription system, supporting Apple and Google Pay. 15. Dummy flight and hotel ticket booking website for visa applications. 16. SaaS for creating surveys and managing user responses. 17. Real estate website development with MLS grid integration. 18. SaaS for companies managing work assignments, customer invoicing, and task calendars. 19. Food delivery Mobile application. 20. Facebook Graph API, Instagram Graph API, Twitter API, and LinkedIn API data management. 21. Dating website development. 22. Classified listing website development. 23. Travel deals e-commerce website 24. Grocery delivery mobile application development. 25. E-commerce website for selling fine wines. 26. CV and resume creation web application. 27. Employee payroll management web application. 28. Loan management system web application. 29. scheduling system for booking home inspection appointments along with a payment gateway and connection with gohighlevel CRM. 30. revenue management system – pulls data from QuickBooks, the Mercury API and the Stripe API and calculates the revenue. 31. car and bike parts / equipment / marketplace / vendor-buyer concept. 32. SMS marketing system that is connected with Twilio 33. Developing an MVP using AI-based web application builders such as Lovable, Replit, Claude AI, Claude-assisted development and Cursor AI. Please send a message OR invite me to your job so we can schedule a Zoom meeting.

  • Node.js
  • Mobile App Development
  • React Native
  • React
  • Python
  • Laravel
  • JavaScript
  • iOS
  • Android
  • Django
  • Web Development
  • Web Application
  • API
  • AI App Development
  • AI Development
  • Full-Stack Development
  • Next.js
  • SaaS Development
  • TypeScript
  • PHP
Faisal N.

Gilgit, Pakistan

$10/hr
5.0
6 jobs

Are you searching for a mobile app developer who specializes in cross-platform app development, iOS app development, and Android app development? I’m a Mobile App Developer with **3+ years of experience** and have successfully worked with **7+ clients**, building high-quality, scalable, and user-friendly **iOS and Android applications** using React Native, Expo, JavaScript, TypeScript, and Node.js. I help businesses and startups create powerful mobile apps that run smoothly across devices, leveraging API integration, AI integration, Firebase, Redux, UI/UX optimization, push notifications, payment gateway integration, and app store optimization (ASO). My apps are performance-driven, visually engaging, and tailored to your target audience, whether for eCommerce, healthcare, social media, or on-demand services. 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ✅ Mobile App Development ✅ Cross-Platform App Development ✅ iOS App Development ✅ Android App Development ✅ React Native Development ✅ AI Integration in Mobile Apps ✅ API Integration ✅ Firebase Integration ✅ Payment Gateway Integration (Stripe, PayPal) ✅ Push Notifications (FCM) ✅ UI/UX Optimization ✅ App Store Optimization (ASO) ✅ Mobile App Prototyping ✅ Mobile App Performance Optimization ✅ Redux for State Management ✅ RESTful API Development ✅ Social Media Integration ✅ Third-Party SDK Integration ✅ Mobile App Testing & Debugging ✅ Mobile App Maintenance & Support ✅ ChatGPT API Integration ✅ AI Chatbot Integration ✅ Machine Learning in Mobile Apps ✅ Location-Based Services (GPS Integration) ## 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲? * 3+ years of experience building scalable React Native mobile applications for startups and businesses. * Successfully collaborated with **5+ clients**, helping them launch, improve, and maintain production-ready mobile applications on both Android and iOS. * Hands-on experience developing and maintaining **live production apps**, including bug fixing, performance optimization, feature enhancements, API integrations, and app store deployments. * Strong expertise in AI integration, Firebase, REST APIs, payment gateways, push notifications, and scalable mobile app architecture. * Focused on writing clean, maintainable, and high-performance code while delivering intuitive user experiences. * Proven track record of client satisfaction: * *"Sameer is extremely talented. I always look to him for my toughest assignments and he delivers every time."* * *"Great talent. Writes clean and neat code that is robust and easy to maintain."* * Reliable, communicative, and committed to delivering projects on time using agile development practices. 𝗧𝗼𝗼𝗹𝘀 𝗜 𝗨𝘀𝗲 ✅ React Native, Expo, JavaScript, TypeScript ✅ Firebase, Firestore, Google Cloud Functions ✅ Redux, Redux Toolkit, Context API, ✅ Android Studio, VS Code ✅ Git, GitHub, ✅ Stripe, PayPal (Payment Gateway Integration) ✅ AI Integration using ML Kit, OpenAI APIs ✅ App Store Connect, Google Play Console, App Store Optimization (ASO) Ready to transform your idea into a high-performance, scalable, and user-friendly mobile application? Whether you need cross-platform app development, iOS app development, Android app development, or AI integration in mobile apps, I bring the technical expertise and creative vision to build apps that deliver results. From seamless API integration, Firebase backend, and push notifications to app store optimization (ASO) and ongoing support, I’m here to ensure your app stands out in a competitive market. Let’s collaborate to build a mobile solution that drives growth, engagement, and success. Mobile App Developer | Cross-Platform App Development | React Native Expert | iOS App Development | Android App Development | TypeScript | JavaScript Developer | API Integration | Firebase Integration | Redux State Management | Push Notification Setup | Payment Gateway Integration | Stripe Payment Integration | PayPal Payment Integration | App Store Optimization | Google Play Store Submission | Apple App Store Submission | Scalable Mobile Apps | Custom Mobile App Development | AI Integration in Mobile Apps | Machine Learning in Apps | Chat App Development | Social Media App Development | Ecommerce Mobile Apps | Healthcare App Development | On-Demand App Solutions | Real-Time Mobile App Development | Mobile App Debugging | Mobile App Performance Optimization | App Prototype Development | Mobile MVP Development | App Analytics Integration | Mobile App Maintenance | App Version Control | App Release Management | Mobile Backend Integration | Agile Mobile App Developer | Mobile App Code Optimization | Mobile App Troubleshooting | Mobile App Conversion Optimization | App User Retention Strategy | Mobile App Architecture Design | Mobile App Growth Strategy

  • App Development
  • Web Development
  • Web Application
  • React Native
  • React
  • TypeScript
  • JavaScript
  • HTML5
  • CSS
  • Firebase
  • Firebase Realtime Database
  • Mobile App Bug Fix
  • Node.js
  • Mobile App Development
  • App Store
  • Google Maps
  • Google Play
  • Google Maps API
  • AI Chatbot
  • AI App Development
Priyank G.

Surat, India

$25/hr
5.0
490 jobs

𝐌𝐎𝐁𝐈𝐋𝐄 𝐀𝐏𝐏 𝐃𝐄𝐕𝐄𝐋𝐎𝐏𝐄𝐑 iOS | Android | Flutter | React Native | AI Integration | Vibe Coding 🏆 Top Rated Plus on Upwork (Top 3%) 💯 100% Job Success 📈 9+ Years Experience 💬 Fluent English With 9+ years of experience, I specialize in designing and developing innovative, high-performance mobile apps for iOS, Android, and cross-platform ecosystems. I build intelligent, scalable, and user-centric solutions that integrate AI, ChatGPT, and modern technologies to create seamless, next-generation digital experiences. ⭐ 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀 ✔️ Top Rated Plus on Upwork — Top 3% of freelancers globally ✔️ 35,000+ hours worked | 400+ projects completed ✔️ 100% Job Success Score ✔️ 86% long-term repeat clients ✔️ Fluent English — strong communication and agile delivery mindset ✔️ End-to-end development: from wireframe to App/Play Store launch and beyond ✔️ Post-launch support, updates, and performance monitoring 📱 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 • 𝗡𝗮𝘁𝗶𝘃𝗲 𝗶𝗢𝗦: Swift, SwiftUI, Objective-C, Xcode • 𝗡𝗮𝘁𝗶𝘃𝗲 𝗔𝗻𝗱𝗿𝗼𝗶𝗱: Kotlin, Java, Android Studio • 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺: Flutter, FlutterFlow, React Native, Dart • REST API & third-party API integration (Payment gateways, Social login, Maps, etc.) • Firebase integration (Authentication, Firestore, Push Notifications, Analytics) • Clean architecture (MVC, MVVM, MVP) & scalable code practices • UI/UX focused development with pixel-perfect design implementation • App performance optimization & debugging • Version control using Git (GitHub, GitLab, Bitbucket) • CI/CD setup & deployment (TestFlight, App Store, Play Store) • Agile development approach with strong communication and collaboration skills ⚙️ 𝗡𝗢-𝗖𝗢𝗗𝗘 / 𝗟𝗢𝗪-𝗖𝗢𝗗𝗘 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 • AI-Powered Builders: Lovable.AI, Bolt.new, Cursor, v0 by Vercel, Replit, Copilot, Claude/Anthropic • App Builders: FlutterFlow, Bubble, Glide, Adalo • Automation: Zapier, Make (Integromat), n8n ☁️ 𝗕𝗔𝗖𝗞𝗘𝗡𝗗 & 𝗖𝗟𝗢𝗨𝗗 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 • Firebase: Firestore, Realtime DB, Auth, Storage, Cloud Functions • AWS: EC2, Lambda, S3, Amplify, Lightsail • GCP | Microsoft Azure | Supabase | Vercel | Hostinger 🗄️ 𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘𝗦 Firestore | MySQL | PostgreSQL | MongoDB | SQLite | Realm | Core Data | Supabase 🤖 𝗔𝗜 & 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 • ChatGPT API & OpenAI Integration • Natural Language Processing (NLP) • Voice & Speech AI • Predictive Analytics 🎨 𝗨𝗜/𝗨𝗫 𝗗𝗘𝗦𝗜𝗚𝗡 Figma | Sketch | Adobe XD | InVision | SwiftUI | Jetpack Compose | Flutter Widgets | Material UI 🔑 𝗞𝗘𝗬 𝗙𝗘𝗔𝗧𝗨𝗥𝗘𝗦 & 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡𝗦 ✔️ Secure User Authentication & Social Logins (Google, Apple, Facebook, Twitter, LinkedIn) ✔️ Payment Gateways: Stripe, PayPal, Razorpay, Apple Pay, Plaid, In-App Purchases & Subscriptions ✔️ Real-Time Chat & Messaging (Twilio API, Firebase Chat) ✔️ Push Notifications | Video Calling | WebRTC ✔️ Maps & Geolocation: MapKit, Mapbox, Google Maps ✔️ Health & Fitness: HealthKit, Google Fit ✔️ Analytics: Firebase Analytics, Mixpanel, Crashlytics, Google Analytics ✔️ QA & Testing: Unit Testing, Integration Testing, Regression Testing ✔️ Project Tools: Git, GitHub, Bitbucket, JIRA, Trello, Asana 🌍𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 𝗦𝗘𝗥𝗩𝗘𝗗 E-Commerce | Fintech & Banking | Health & Fitness | Social Networking & Dating | On-Demand Services | Food Delivery | Ride Booking | Real Estate | SaaS | Education & E-Learning | Media & Entertainment | Streaming & Audio | Healthcare | Logistics & Transport | Marketplace | Travel & Navigation | Wellness & Coaching | Legal Services | Event & Booking | Automotive | Fashion & Lifestyle | Hospitality 🔍 KEYWORDS Mobile App Developer · iOS App Developer · Android App Developer · Flutter Developer · React Native Developer · FlutterFlow Developer · Swift Developer · Kotlin Developer · Full Stack Developer · Web Application Developer · SaaS Developer · MERN Stack Developer · Firebase Developer · AWS Developer · Node.js Developer · React.js Developer · Next.js Developer · API Integration · ChatGPT Integration · AI App Developer · Lovable.AI · Bolt.new · No-Code Developer · Low-Code Developer · FlutterFlow · Bubble · Webflow · WordPress Developer · WooCommerce · Shopify · Strapi · Contentful · CMS Development · Plugin Development · Theme Development · Fintech App Developer · E-Commerce App Developer · Dating App Developer · Ride Booking App Developer · On-Demand App Developer · Cross-Platform App Developer · RESTful API · GraphQL · TypeScript · Supabase · Payment Gateway Integration · In-App Purchases · Push Notifications · HealthKit · MapKit · Mapbox · Alamofire · Twilio · Google Analytics · QA Testing · Unit Testing · Regression Testing · Figma · UI/UX Design

  • Mobile App Improvement
  • iOS Development
  • Android App Development
  • Flutter
  • React Native
  • Firebase
  • Node.js
  • API Integration
  • Payment Functionality
  • Chat & Messaging Software
  • Location-Based Service
  • Push Notifications
  • Mobile App Testing
  • Database Development
  • PHP
Daxesh V.

Surat, India

$19/hr
5.0
217 jobs

🏆 𝐓𝐨𝐩 𝟏% 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐢𝐎𝐒 (𝐒𝐰𝐢𝐟𝐭/𝐒𝐰𝐢𝐟𝐭𝐔𝐈) & 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐄𝐱𝐩𝐞𝐫𝐭 | 𝐇𝐢𝐠𝐡 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 MVP & 𝐏𝐢𝐱𝐞𝐥 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 UI | 𝐋𝐨𝐧𝐠 𝐓𝐞𝐫𝐦 Support | Worked with | 𝐂𝐡𝐞𝐜𝐤𝐨𝐮𝐭 𝐩𝐨𝐫𝐭𝐟𝐨𝐥𝐢𝐨 With 50,000+ hours delivered on Upwork, a 100% Job Success Score, and Top Rated Plus status, AppMakers has become a trusted mobile app development partner for startups, scale-ups, and enterprise companies worldwide. Our team has contributed to products used by millions of users, including Hims & Hers 🇺🇸, Insight Timer 🇦🇺, Cal AI 🇺🇸, TejiMandi 🇮🇳, and 3Asafeer Education 🇦🇪. ⭐️ 𝐖𝐡𝐚𝐭 𝐰𝐞 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡 ✅ Mobile Development - iOS (Swift, SwiftUI), Android, Flutter, React Native (Expo) - Pixel-perfect UI implementation with smooth performance - Custom animations, transitions, and polished user experience - Deep debugging, performance tuning, and stability improvements ✅ Backend & Infrastructure - Firebase, Supabase, PostgreSQL, MySQL - AWS & Google Cloud (GCP) - Scalable backend architecture and API design - REST APIs (Node.js, Python, Django, PHP) ✅ Monetization & Payments - In-App Purchases & Subscription Systems - Integration with RevenueCat, Superwall, Adapty - Stripe payment integrations (one-time & recurring) - Paywall optimization, pricing strategy & lifecycle handling ✅ Analytics & Growth - Mixpanel, Firebase Analytics, AppsFlyer, Branch - Funnel tracking, conversion optimization & retention strategy - A/B testing and data-driven product decisions ✅ AI & Advanced Features - AI integrations, chatbots & LLM-powered experiences - Voice-based features & real-time interactions - Integration with Gemini APIs & OpenAI APIs - ML-based personalization & automation ✅ Deployment & Scaling - App Store & Play Store publishing (compliance-ready) - CI/CD pipelines and automated deployments - Performance optimization & scalability planning - Long-term maintenance, updates & feature scaling 🚀 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗜𝗻 🌟 AI-Powered Mobile Apps (Chat, Automation, LLM APIs) 🌟 Health, Fitness & Wellness Apps 🌟 Telehealth & Remote Care Apps 🌟 Mental Health, Meditation & Self-Care Apps 🌟 Real-Time Video & Live Streaming Platforms 🌟Real Estate & Property Management Apps 🌟 Video Sharing & Creator Economy Apps 🌟 E-Learning & EdTech Platforms 🌟 E-Commerce & Marketplace Apps 🌟 On-Demand Service Apps (Taxi, Food, Delivery, Booking) 🌟 Chat, Messaging & Social Networking Apps 🌟 SaaS & Subscription-Based Mobile Platforms 🌟 Fintech, Payments & Personal Finance Apps 🌟 Coaching, Consulting & Personal Brand Apps 🌟 IoT & BLE-Enabled Smart Device Applications ⚡ 𝗪𝗢𝗥𝗞𝗜𝗡𝗚 𝗔𝗣𝗣𝗥𝗢𝗔𝗖𝗛 • Strategy-first approach with clear product direction • Clean, maintainable architecture designed to scale • Honest timelines and realistic expectations • Consistent updates with zero communication gaps • Long-term partnership mindset, not one-time delivery • Limited client deal to maintain quality and attention 🎁 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧 - A strategic technical partner, not just a developer - Honest feedback (even if it saves you money) 📩 𝗟𝗘𝗧'𝗦 𝗧𝗔𝗟𝗞 If you're serious about building something that works for long term, execute by right team - hit "Invite Now." Let's talk. ----------------- AI Development, AI App Development, AI-Powered Mobile Apps, Custom AI Solutions, AI Agents Development, AI Integrations, AI Chatbot Development, Mobile App Development, Mobile App Developer, iOS App Development, iOS App Developer, Android App Development, Android App Developer, Flutter App Development, Flutter App Developer, React Native App Development, Cross-Platform App Development, Hybrid App Development, Custom Mobile App Development, Application Development, Mobile Apps, App Development, MVP Development, Full Stack Developer, Full Stack Development, Web Development, Web Developer, Full Stack Web Development, MERN Stack Developer, Node. js Development, SaaS Product Development, Custom Software Development, E-commerce Development 👉 Click “Invite to Job” or “Message”

  • Android App Development
  • Mobile App Development
  • Hybrid App Development
  • UX & UI Design
  • Flutter
  • App Development
  • AI App Development
  • AI Agent Development
  • AI Development
  • iOS
  • iOS Development
  • SwiftUI
  • Native App
  • React Native
  • App Design
  • FlutterFlow
  • iOS SDK
  • Expo.io
  • Supabase
  • Firebase
Noman R.

Karachi, Pakistan

$10/hr
4.6
147 jobs

Have an app idea but not sure where to start ? A few years ago, I was sitting exactly where many of my clients are today: trying to turn an idea into an app. After years of mistakes and learning to code, I ended up building SchooLinks, which grew into an Inc. 5000 business and raised over $10 million. Since then, I focus on designing and developing apps for founders and entrepreneurs with no technical background. People who have identified a problem that an app could solve, but they don't know how to build it. They have the vision, but they don't have the tech partner. And these are the results my clients have gotten: • $10M+ raised by clients • 2M+ users across products built • 10K+ five-star reviews across products built • Top 1% in App Design & Development on Upwork ---------------------------------------------- I offer a 𝗳𝗿𝗲𝗲 𝟯𝟬-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 to discuss and refine your idea, recommend the right tech stack, and forecast any ongoing costs as your user base grows, so you avoid surprises and make informed decision with clarity. ---------------------------------------------- Words from a recent client after working with us: (check more on my profile below) "Noman Razzaq 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙥𝙧𝙤𝙛𝙚𝙨𝙨𝙞𝙤𝙣𝙖𝙡 𝙖𝙣𝙙 𝙞𝙨 𝙖𝙡𝙬𝙖𝙮𝙨 10 𝙨𝙩𝙚𝙥𝙨 𝙖𝙝𝙚𝙖𝙙 𝙤𝙛 𝙠𝙣𝙤𝙬𝙞𝙣𝙜 𝙬𝙝𝙖𝙩 𝙩𝙝𝙚 𝙗𝙪𝙞𝙡𝙙 𝙣𝙚𝙚𝙙𝙨. 𝙒𝙚 𝙖𝙧𝙚 𝙘𝙤𝙣𝙩𝙞𝙣𝙪𝙞𝙣𝙜 𝙩𝙤 𝙬𝙤𝙧𝙠 𝙩𝙤𝙜𝙚𝙩𝙝𝙚𝙧 𝙖𝙣𝙙 𝙄 𝙝𝙖𝙫𝙚 𝙖𝙡𝙧𝙚𝙖𝙙𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙𝙚𝙙 𝙝𝙞𝙢 𝙩𝙤 𝙤𝙩𝙝𝙚𝙧 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨." ⭐⭐⭐⭐⭐ - Bill Kocjancic 𝙁𝙤𝙪𝙣𝙙𝙚𝙧 𝙈𝙚𝙨𝙢𝙚𝙧 (𝙐𝙣𝙞𝙩𝙚𝙙 𝙆𝙞𝙣𝙜𝙙𝙤𝙢) ---------------------------------------------- I've majored in software engineering, and I've used a myriad of technologies to help various businesses create mobile apps that have generated millions in revenue. Over the past 5+ years, I have developed a wide range of iOS and Android mobile apps. ✅ Food delivery app ✅ Ride booking app (like Uber) ✅ Real estate listing app (Like Airbnb) ✅ Social media mobile app (like TikTok/Instagram) ✅ Startups/Investment management mobile app ✅ Wellness mobile app ✅ Fitness and Nutrition mobile app (like CalAI, MyFitnessPal) ✅ Sports mobile app ✅ E-commerce mobile app ✅ Language Learning Mobile App (Like Duolingo) ✅ Event management mobile app ✅ Grocery/Meal Planning mobile app ✅ Freelance mobile app ✅ Service Booking Mobile App (Home/HVAC) ✅ Inventory Management Mobile App ✅ Learning Management Mobile App ✅ Appointment Booking Mobile App (Salon/Doctor) ✅ Venue Booking Mobile App (Sports/Events) ✅ Task Management Mobile App (Project Management/To-Do) ✅ On-Demand Custom Mobile Apps ---------------------------------------------- As your 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗮𝗿𝘁𝗻𝗲𝗿, I go above and beyond to ensure your app’s success, from concept to launch. What I Also Bring Beyond Development: → Technology & architecture consulting → Product roadmap & feature prioritization → Help you understand any possible ongoing costs with the project → Cost-effective tech stack selection with long-term cost planning → Scalability strategy as your user base grows → Technical support during investor or stakeholder discussions ---------------------------------------------- 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 I provide free post-delivery support for 8 weeks, followed by flexible maintenance plans based on your product needs, usage scale, and future roadmap, always discussed transparently. ---------------------------------------------- 🚀 If you’re looking for someone who understands your product, owns outcomes, communicates clearly, and thinks long-term, let’s connect and build something solid. ❗❗ Check out my portfolio! ❗❗ Highlighted Skills: Full Stack Developer | Expert Full Stack Developer | Full Stack Mobile App Developer | Full Stack AI Developer | Expert Full Stack Mobile App Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developer | App Developer | Mobile App Development Consultation | IT Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Hybrid App development | Mobile App Development Consultation | Flutter | Firebase | Dart | Flutter Dart | Flutter Firebase | iOS Development | Android App Development | Smartphone | User Authentication | In App Purchases | API Integration

  • Mobile App
  • Mobile App Redesign
  • Android App Development
  • App Development
  • Mobile App Development
  • Mobile App Design
  • iOS Development
  • Smartphone
  • AI App Development
  • Hybrid App Development
  • Mobile App Development Consultation
  • Flutter
  • Firebase
  • AI Mobile App Development
  • React Native
  • Mobile App Bug Fix
  • Website to Mobile App Conversion
  • Android App
  • iOS
  • FlutterFlow

How it works

Post a job for free Post a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

At A Glance: Google App Engine

Creating and maintaining an application within the Google App Engine infrastructure allows you to connect with consumers from around the world on a platform they know and trust. Google App Engine’s reliable service allows you to develop and run applications to put your business ahead, whether it specializes in the tech industry or is trying to broaden its reach. However, experience with Java, Python, Go, and PHP are required, in addition to an education in the many complex aspects of app development. Perhaps you have neither the time nor the skills to harness this advantageous engine yourself. The Google App Engine specialists and application developers on Upwork are here to take the burden off your shoulders by offering their highly-sought-after skills and unique experience to manage this vital task.

As freelancers, many of these experts have experimented in a wide range of professions and niches, enabling them to apply this vast knowledge and expertise to your project in the form of creative suggestions, specialized advice, and a sharp eye for bugs or technical issues. Their competitive rates make them the ideal choice for any project scale or budget, so you can receive the precise service you need. Their flexible schedules are designed to combat time zone differences and push you ahead with deadlines. With dozens of professionals to choose from on Upwork, you’re sure to find the application developer you need to create the next generation of app, or the specialist to offer their critical eye towards maintaining and improving your project.