Hire the Best Google App Engine Developers

Most apps don't have a traffic problem. They have a conversion problem, and it's costing them revenue on every single install. Low keyword rankings mean the wrong users find you. Weak screenshots mean the right users don't download. A broken onboarding means downloads don't become revenue. Most founders fix one of these and wonder why growth still stalls. In 6 years across apps from day-one launches to 100M+ user platforms, I've helped apps generate over $100M in revenue by diagnosing the full funnel before touching a single keyword or screenshot. One metadata optimization moved the needle by tens of thousands of downloads in a single quarter. A one-week audit on two live apps uncovered a collapsed ROAS and a broken user journey that had been quietly bleeding money for months. Every engagement starts with a Growth Diagnostic: not a slide deck. You get bite-sized, actionable findings delivered as we go, so you're seeing results while the work is still in progress. Then I fix it myself: screenshots I design, metadata I write from search data, ad structure I build from your actual funnel behavior. / ⭐ AREAS OF EXPERTISE - App Store Optimization — ASO, AEO, and keyword ranking across iOS and Android - Conversion Rate Optimization — screenshots, product page, icon, and paywall positioning - Apple Search Ads and Google App Campaigns — campaign structure, bidding, and ROAS recovery - Monetization and Retention — subscription funnel, trial-to-paid conversion, and D1/D7/D30 retention - Growth Strategy and Roadmapping — diagnostic-first, prioritized by revenue impact - Brand and Product Positioning — store listing messaging, category positioning, competitive differentiation - AI-assisted workflow — faster research, creative iteration, and keyword clustering at scale - Done-for-you and done-with-you — full execution, consulting, or founder coaching depending on what you need / ⭐ HEAR FROM OUR HAPPY CLIENTS ▸ "It felt like imran was really dedicated to my app's success, like he was part of the team. I recommend!" ▸ "Imran understood my vision even before I could articulate it well and delivered 100%." ▸ "He was very attentive to the goals — blending storytelling with ASO strategy — and offered valuable suggestions throughout. Someone who cares about both aesthetics and conversion-driven design." ▸ "Highly skilled with a deep understanding of market values and trends, combining creativity with exceptional design expertise. Highly recommended." / ⭐ NOTEABLE CLIENTS - SEOBuddy - KeepSafe (100M+ users) - Stardust (2M+ users, $50M+ revenue) - Choice DNA · FaceIT - Tropicana Brands Group - GoJump America - Pathfinder America & 50+ founders globally / ⭐ WHY CLIENTS CHOOSE ME - Most specialists own one piece. Strategists hand you a document. Ad managers hand you a campaign. Screenshot designers hand you pretty images. Then you brief everyone separately and hope nothing gets lost between them. - I run the diagnostic, write the metadata, design the screenshots, and structure the ad campaigns myself. One person. One context. No handoff. - Software engineering background means I read your Firebase data, RevenueCat funnel, and AppsFlyer attribution myself. - Certified: Apple Search Ads | MobileAction ASO | Google UX / ⭐ THE APP GROWTH LOOP Diagnostic — full install-to-revenue funnel audit, ranked by what's costing you most Conversion — screenshots and CRO built on findings, not taste. Delivered in 2-4 days Discovery — metadata, keywords, title, subtitle, description built to rank for buyer intent Acquisition — Apple Search Ads campaigns built around keywords your page can actually convert You can enter at any stage. I'll tell you honestly if you're starting in the wrong place. / ⭐ TOOLS Stores: App Store Connect · Google Play Console · Apple Search Ads · Google UAC ASO: AppTweak · MobileAction · Sensor Tower · AppFollow · ASOdesk MMPs: AppsFlyer · Adjust · Branch · SKAdNetwork Analytics: GA4 · Firebase · Mixpanel · Amplitude · RevenueCat · Looker Studio · PostHog Design: Figma · Notion · SQL / ⭐ WHO THIS IS FOR Founders with traffic but conversion or retention problems. Early-stage apps chasing first 1,000 active users. Funded apps making paid acquisition pay back. Established apps with funnel leaks they haven't found yet. / ⭐ BEFORE YOU REACH OUT Honesty first — if the problem is somewhere unexpected, I'll say so, even if it means a smaller project for me Not the right fit for quick keyword fixes, review boosts, or growth hacks I work with limited clients at a time — open contracts aren't reflective of actual availability If we're not a fit, I'll still tell you what I'd fix first Send me your App Store or Google Play link. I'll tell you the first thing I'd fix, no cost, no pitch. For deeper work, book a paid 30-min consultation and we'll walk your funnel live. Looking forward to hearing from you. 🚀

🏆 Top Rated Plus | 100% Job Success | 9+ Years Experience 🚀 ✅ $15M+ Raised by my Clients | 10M+ App Downloads 🚀 ✅ Top 1% Upwork Freelancer | $1M+ Earned 🏆 I help startups, founders, and businesses build scalable Web Applications, Mobile Apps, SaaS Platforms, and AI Solutions that are designed to launch fast, grow efficiently, and deliver real business results. Whether you need an MVP, SaaS platform, CRM, AI-powered application, dashboard, marketplace, or mobile app, I can take your product from idea to deployment. 🎯 Ideal Clients ✅ Startup Founders launching an MVP or first product ✅ Funded Startups scaling an existing app or platform ✅ Agencies needing a reliable development partner for overflow work ✅ Businesses wanting to add AI features to an existing product 🏭 Industries Served ✅ Healthcare & HealthTech ✅ E-commerce & Retail ✅ SaaS & B2B Platforms ✅ FinTech ✅ Marketplaces & On-Demand Apps 🔑 KEY FEATURES & INTEGRATIONS ✅ AI & ChatGPT/OpenAI API Integrations ✅ Payment Gateways (Stripe, PayPal, Razorpay) ✅ Firebase, AWS, Google Cloud, Supabase ✅ Real-Time Chat & Push Notifications ✅ Admin Panels & Analytics Dashboards ✅ App Store & Play Store Deployment Why 400+ Clients Worldwide Trust Me: ✅ $15M+ Client Funding ✅ 10M+ App Downloads ✅ $1M+ Upwork Achiever ✅ 400+ Apps and 50+ Websites Launched ✅ Top Rated Plus (Top 3% on Upwork) ✅ 100% Job Success Score ✅ 38,857+ Hours Worked ✅ 86% Long-Term Repeat Clients Expertise: - Full Stack Development (React.js, Next.js, Node.js, NestJS, TypeScript) - Mobile App Development (Flutter, React Native, iOS) - AI & ChatGPT Integrations (RAG, LLM Integration) - SaaS Platforms & Business Applications 🔍 KEYWORDS Full Stack Developer, React Developer, Node.js Developer, Flutter Developer, React Native Developer, iOS Developer, MERN Stack Developer, NestJS Developer, AI Developer, AI Integration, ChatGPT Integration, OpenAI API, Claude API, RAG, LLM Integration, Lovable.AI, Bolt.new, SaaS Development, MVP Development, Mobile App Developer, GraphQL, RESTful API If you're looking for a development partner who values quality, communication, and long-term success, click the Invite or Message button and let's discuss your project.

Have an innovative app idea, a prototype, or a business platform you want to bring to life? Whether you're starting with a simple concept or already experimenting with tools like Lovable, Bubble, Replit, or n8n, I can help turn your vision into something your customers will love to use. I help founders and businesses turn ideas into AI-powered products, internal tools, and scalable software, without wasting months or tens of thousands of dollars. Client results: • $350M+ raised by clients • 8M+ users on apps I designed and developed • 10K+ five-star reviews across apps built • Top 1% in App Design & Development on Upwork A few years ago, I was sitting exactly where many of my clients are today: trying to turn an idea into an app. I was looking for freelancers, tried to build it myself and hired the wrong teams. It was a nightmare to say the least. After years of mistakes and learning to code, I finally launched SchooLinks, which grew into an Inc. 5000 company and raised over $90 million. Since then, I've helped more than 150 founders launch products across SaaS, marketplaces, AI tools, mobile apps, and internal platforms... some of which have made it to Forbes. Book your consultation today! I'll save you months of frustration by helping you understand the ins and outs of bringing an app / platform to life: How much it costs, how long it takes, what's the process and more. The apps I've built 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!

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.

🏆 ASO (App Store Optimization) 🏆 Android & iOS Apps and Games 🏆 Organic Traffic Growth 🏆 Conversion Rate Optimization 🏆 Store Listing Localization 🏆 Monetization Strategies 🏆 Paywall Optimization (For iOS Apps) 🏆 Retention Strategies 🏆Apple Search Ads Expert 🏆 Google Ads Expert 🏆 Meta Ads 🏆 AppsFlyer 🏆 WordPress Development Hi there! I am a professional and Certified ASO (App Store Optimization) Mentor, Mobile App Marketer, and WordPress Web Developer. I have 5+ years of Extensive Experience in ASO (App Store Optimization), UA (User Acquisition), Apps/Games Localization (Local ASO), and App Growth Marketing. I can help you to improve your Android and iOS Apps & Games Ranking, Visibility, Organic Traffic, and Installs on the App Stores (Google Play & App Store) through Proven ASO (App Store Optimization) Strategies because I am an experienced person and I know all the ins and outs of ASO (App Store Optimization) for the Apple App Store & Google Play Store. 🌟 I have more than 5 years of Experience with Google's and Apple's Algorithms in the App Stores 🌟 My 100% Working ASO - App Store Optimization Strategies will maximize the ⚡ Power of your Android and iOS Apps & Games Store Listings on the App Stores (Google Play and App Store) to Outrank your competitors and lead your niche. I will use the 2026 Latest ASO (App Store Optimization) Strategies and Legal ASO Tricks to get your Apps or Games Ranked Better and Higher on the Google Play and App Store. With the help of My Proven ASO (App Store Optimization) and App Marketing Strategies, Many Android & iOS Apps and Games are at the Top of Google Play and Apple App Store Search Results. 👉 I can also promote your Newly Launched or Existing Apps and Games through Apple Search Ads, Google Ads, and Meta Ads App Install Campaigns and Boost⚡ their installs in your targeted countries with a focus on Positive ROAS and Low CPA/CPI. 🌟 FEEL FREE TO CONTACT ME TO GET MY SERVICES 🌟 👉 FOR ASO 🚀 APP STORE OPTIMIZATION AND MOBILE APP MARKETING SERVICES, CONTACT ME IF: ✅ You want a Highly Performing ASO (App Store Optimization) for your Newly Launched or Existing Android & iOS Apps and Games. ✅ You want to improve your Android and iOS Apps & Games Ranking, Visibility, Organic Traffic, and Installs on the App Stores (Google Play & App Store) through ASO (App Store Optimization). ✅ You are looking for an ASO (App Store Optimization) Expert who can create 100% working ASO Optimized Metadata (Title, Subtitle, Keywords Field (Keywords) For iOS, Short Description (For Android), and Powerful Long Description) for your Apps and Games. ✅ You want to improve the Conversion Rate (CVR) and Retention Rate of your Android or iOS Apps and Games. ✅ You want to increase your Android or iOS Apps and Games Real 5 ⭐⭐⭐⭐⭐ Ratings and +Ve Reviews Faster ⚡. ✅ You want to improve your Apps and Games Monetization Strategy and KPIs to Generate More Revenue 💰. ✅ You want Store Listing Localization 🌏 (Local ASO) for your Android & iOS Apps and Games to Reach Global Audiences. ✅ You want In-depth Mobile App Market Research and Comprehensive Competitor Analysis for your Apps and Games. ✅ You want a Full ASO Audit and Apps/Games Audit to Identify Growth Opportunities. ✅ You want Post-Install Funnel Optimization including Onboarding, Signup Flow, and Paywall Optimization to Improve Retention and Convert Installs into Paying Customers. ✅ You need an ASO Manager for Google Play Console or App Store Connect Analysis and Management. ✅ You want to⚡Boost your Apps and Games Installs via Apple Search Ads (ASA), Meta Ads, or Google Ads App Install Campaigns. My Results are Magnificent, with a more than 75% increase in downloads in One single language. I can also Localize your Apps and Games and their Store Listings in 40+ languages which include Arabic, Turkish, French, Spanish, German, Italian, Russian, Portuguese, Thai, Chinese, Japanese, Swedish, Dutch, Polish, and so on. I also help my clients with their store listing visuals (Icon and Screenshots) localization process. 🌟I have worked with some of the Top-Grossing apps in the USA, Canada, France, Switzerland, and China. 🌟 🛠 During ASO - App Store Optimization process. I use the Following Groundbreaking ASO Tools. 🔹App Annie 🔹App Follow 🔹App Tweak 🔹Sensor Tower 🔹App Figures 👉🥇What My Clients Say About Working With Me:🥇 ⭐⭐⭐⭐⭐ "Outstanding experience! Mazhar's expertise in App Store Optimization and advertising significantly boosted our app's visibility and downloads. Highly recommend for his efficiency, professionalism, and results." ⭐⭐⭐⭐⭐ "To work with Mazhar Hussain for the ASO project was the best choice. I didn't expect so much experience and so many solutions. He has done the job earlier than agreed with very good communication. 100% for our apps he is the best choice for ASO work. Thanks, Mazhar Hussain!" 🎯 WORK WITH US AND WE WILL HELP YOU TO TAKE YOUR ANDROID & iOS APPS AND GAMES TO THE NEXT LEVEL!

I'm a passionate developer with 15 years of experience and 10 years as a successful Upwork freelancer. I wear two hats: as a skilled developer, I excel in crafting custom web applications, WordPress websites, and tackling complex challenges. As a Google Helper (Top Contributor) I'm known for my collaborative spirit and ability to explain technical concepts clearly. My expertise spans both backend and frontend development, and I'm proficient in various technologies to deliver the perfect solution for your needs. Highlights: - I work for long-term: my last client was a Norway company developing skill assessment system for governments and education. - Delivered 50+ successful WordPress projects: Partnering with designers and architects, I've crafted high-performing websites that drive results. - SEO expertise: I've conducted and implemented numerous SEO audits and fixes, ensuring your website ranks better in search engines. - Cloud infrastructure: Skilled in setting up and managing systems on Google Cloud and AWS, including email servers, websites, and containerized applications. - Custom solutions: Developed unique solutions like a Fedora disk image for Google Cloud, an ID verification system with AWS AI, WordPress plugins for specific needs, and microphone volume indicator (a complex achievement!), and video conferencing apps using WebM format. - Communication & collaboration: Proven experience leading a development team (3 developers) and fostering a positive communication style with clients. - Security focus: I've proactively identified and reported security vulnerabilities in websites and systems, and even hardened the security of a client Chromium-based browser with C++ code. - Version control mastery: Actively contribute to projects through Pull Requests, code reviews, and using both Git and Mercurial. - Clean and tested code: I prioritize clean, well-commented code, and integrate unit testing whenever possible within client budgets. Additional achievements: - Built Google App Engine apps standard Runtime. - Created a custom code editor for safer code edition. - Integrated with Search Console using Apps Script. - Wrote 20 professional blog content for clients. - Led one of the most active programming communities in France. Let's discuss your project!