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40+ Hours Available Per Week As a Top Rated Plus full-time freelancer on Upwork with over 8+ years of expertise in Software Quality Assurance, I specialize in ensuring your applications are bug-free and deliver exceptional user experiences, backed by over 225+ 5-star ratings ⭐ from satisfied clients! 🚀 With 27,000+ hours work on Upwork, I have successfully tested 310+ Android and iOS mobile applications and over 120+ web apps, helping clients achieve seamless product launches and exceptional performance. My experience includes collaborating with renowned organizations like UNICEF and leading brands like Samsung, ensuring their software meets the highest quality standards. I test applications across all types of network conditions, including 3G, 4G, and 5G, as well as high-speed connections (1Gbps) and low-speed scenarios down to kilobits per second (kbps), ensuring optimal performance and usability under real-world conditions. Key Achievements: 🏆 Top Rated Plus freelancer with 8+ years of professional QA experience ⭐ 225+ 5-star reviews from satisfied clients 📌 300+ Upwork projects successfully completed 🤖 10+ AI Voice & Chat Assistant platforms tested (Retell, Bland, Vapi, Wishpond AI, Senior Care AI, etc.) 🚀 Tested and launched 70+ startup products successfully to the store ⏰ Worked over 26,900+ hours on Upwork. 📱 Android: Samsung Galaxy S24 Ultra, Samsung Galaxy S21 Plus, Poco X4, RealMe GT Master Edition, OnePlus 9, OnePlus 8T, Samsung A18 📱 iOS: iPhone 16 Pro Max, iPhone 14 Pro Max, iPhone 14 Plus,iPhone 15 Plus, iPhone 13 Pro Max, iPhone 11, iPhone XR 💻 Desktop: MacBook Air, HP Pavilion X360, RealMe Book, Lenovo ThinkPad, Samsung Galaxy Book 4 & 5 Manual QA Skills: • AI Model Performance Testing • AI Agent Functional & Usability Testing • Conversational AI & Chatbot Testing • Requirement Analysis • Test Case Design & Execution • Defect Reporting & Management • SEO Testing • Functional Testing • End-to-End Testing • Integration Testing • Exploratory Testing • PWA Testing (Progressive Web App Validation) • Reverse Testing – Test with Invalid/Unexpected inputs to ensure robust error handling & stability • Regression Testing • Cross-Browser Testing • Mobile App Testing (iOS & Android) • Usability Testing • UI/UX Testing • Payment Gateway Testing • System Testing & Acceptance Testing • API Testing (Postman, Swagger) • Performance Testing (Basic manual approach using tools) 🤖 AI Testing Expertise • AI Model Performance & Response Accuracy Validation • Conversational Flow, NLP Intent & Entity Testing • Voice Agent Quality Testing (ASR, TTS, Latency, Filler Word Detection) • Knowledge-Base and Prompt Flow QA • Context Retention & Session Continuity Testing • Multi-Agent Coordination and Voice Call Testing • Real-World AI App Testing (Retell, Bland, Vapi, ElevenLabs, Play.ht, Wishpond AI, Senior Care AI) Tools & Platforms: • Bug Tracking & Management: JIRA, Trello, Asana, Linear, ScribeHow • Collaboration & Reporting: Google Sheets, Notion, Slack • Testing Platforms: BrowserStack, physical devices • Performance & Analytics Tools: GTmetrix, SimilarWeb • Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals Domains Expertise: • eCommerce (Shopify, WooCommerce) • SaaS Applications • Healthcare • Mobile Applications • Insurance • Banking & Financial Services • Gaming • Point of Sale (POS) • ERP Systems • OpenAI Integration With a strong commitment to delivering error-free, high-performing software, I aim to exceed quality expectations and provide products that users love. I am available for flexible timings across any time zone and dedicated to helping you bring your software to the highest standards of performance and user satisfaction. Why Choose Me? ✔️ Proven expertise in Manual QA testing ✔️ Comprehensive experience across web and mobile platforms ✔️ Skilled in test documentation, ensuring a structured and repeatable testing process ✔️ Ability to identify critical defects and edge cases ✔️ Adaptable to both Agile and Waterfall methodologies ✔️ Flexible work hours to meet your project needs ✔️ Expert in crawling websites to ensure flawless functionality and SEO perfection -------------------------------------------------------------------------------------------------------- Related Keywords: Manual Testing, API Testing, Web Testing, Mobile App Testing, Regression Testing, Cross-Browser Testing, Test Case Design, Jira, UI/UX Testing, End-to-End Testing, Functional Testing, Bug Reports, Quality Assurance, Payment Gateway Testing, iOS Testing, Android Testing, Test Plan, Usability Testing, User Testing, Software Testing, Manual QA, AI Testing, Chatbot Testing, Voice AI Testing, NLP Testing, Mobile App QA, Conversational AI, AI Model Evaluation, Reverse Testing, PWA Testing, Progressive Web App Validation, AI Apps Testing, Progressive Web Application, OpenAI, AI Apps, ChatGPT, Sora, Gemini, Generative AI, Chatbot

With over 9 years of experience in mobile app development, I specialize in building high-performance, cross-platform applications using Flutter as well as native Android development with Kotlin and Java. I manage the complete development lifecycle—from initial concept and architecture design through implementation, testing, optimization, and successful launch on the Google Play Store and Apple App Store. My focus is on delivering robust, scalable, and intuitive applications that provide excellent user experiences and meet business objectives. Key strengths include: - Expertise in Flutter (Dart) for efficient cross-platform development - Native Android development using Kotlin and Java - Clean, maintainable, and well-architected code following industry best practices - Performance optimization, API integrations, and secure data handling - Thorough testing and debugging to ensure reliability across devices I am a Top-Rated freelancer on Upwork with a 100% Job Success Score and more than 50 successful projects, all backed by consistent 5-star client feedback. I follow agile methodologies to enable iterative development, incorporate client feedback effectively, and deliver high-quality results on time. Clients choose to work with me because of my commitment to: - Fast, reliable delivery without compromising quality - Clear, proactive, and transparent communication - Tailored solutions that align with specific business needs and user expectations - Long-term client satisfaction and ongoing support If you're looking for a dedicated and experienced mobile developer to turn your idea into a polished, market-ready application, I'm here to help. Feel free to message me to discuss your project, I look forward to collaborating and contributing to your success.

🏆 Top Rated Upwork Freelancer | Full-Stack Developer | .NET MAUI & Xamarin Migration Specialist I help businesses build powerful, scalable, and user-friendly mobile and web applications with a strong focus on performance, clean architecture, and long-term maintainability. With hands-on experience in cross-platform development, backend systems, and quality assurance, I deliver complete solutions that are stable, modern, and ready for real-world users. 🚀 My Core Expertise 📱 Cross-Platform Mobile Development * .NET MAUI * Xamarin.Forms * Flutter I create smooth, responsive, and high-performance mobile applications for Android and iOS with native-like user experiences. 🔄 Xamarin to .NET MAUI Migration Expert Successfully migrated 27+ Xamarin applications to .NET MAUI, helping clients modernize their apps, improve performance, and ensure future scalability with Microsoft’s latest technologies. 🖥️ Backend Development * ASP.NET Core * REST API Development * Python Django * Authentication & Secure APIs * Database Integration I build secure and scalable backend systems that support enterprise-level mobile and web applications. 🎨 Frontend & Web Development * HTML5 * CSS3 * JavaScript * Bootstrap * Vue.js From responsive business websites to dynamic web platforms, I create clean and modern interfaces optimized for speed and usability. 🧪 QA Testing & App Stability Quality is always a priority. I perform: * Manual Testing * Functional Testing * UI/UX Testing * Bug Reporting & Tracking * Release Validation I ensure applications are polished, stable, and production-ready before deployment. ✅ Why Clients Choose Me * Top Rated Upwork Freelancer * 100% Job Success Score * Strong Communication & Fast Response * Clean, Maintainable Code * On-Time Delivery * Long-Term Client Support ⭐ I focus on building reliable applications that not only work well today but are also easy to scale and maintain in the future. Whether you need: * A new mobile app * Xamarin to MAUI migration * Full-stack web development * API integration * App maintenance & bug fixing * QA testing support I’m here to help turn your idea into a successful product. Let’s build something great together!

I am Software QA\Tester with 12+ Years of experience in Mobile app (Android & iOS) testing, Website testing and have access of different-different versions of android(16,15,14,13,12,11) & iPhone(iPhone 16-iOS 26, iPhone 11, iPhone 13) and windows 10/11 with all the latest web browsers for testing. :- I have experience with Automation testing using cypress, API Testing using Postman/Swagger tool.

As a full-time ⭐ freelancer with over 7+ years of expertise in Software Quality Assurance, I specialize in ensuring your applications are bug-free and deliver exceptional user experiences! 🚀 I have successfully tested 50+ Android and iOS mobile applications and over 60+ web apps, helping clients achieve seamless product launches and exceptional performance. My experience spans various industries, ensuring the highest quality standards in software, from AI and SaaS to eCommerce platforms and gaming. I test applications across all types of network conditions, including 3G, 4G, and 5G, as well as high-speed connections (1Gbps) and low-speed scenarios down to kilobits per second (kbps), ensuring optimal performance and usability under real-world conditions. Key Achievements: 📌 110+ Upwork projects successfully completed 🤖 10+ AI Voice & Chat Assistant platforms tested (Retell, Bland, Vapi, Wishpond AI, Senior Care AI, etc.) 🚀 Tested and launched 50+ startup products successfully to the store 📱 Android: Samsung Galaxy S24 Ultra, Samsung Galaxy S21 Plus, Poco X4, RealMe GT Master Edition, OnePlus 9, OnePlus 8T, Samsung A18 📱 iOS: iPhone 16 Pro Max, iPhone 14 Pro Max, iPhone 13 Pro Max, iPhone 11, iPhone XR 💻 Desktop: MacBook Air, HP Pavilion X360, RealMe Book, Lenovo ThinkPad, Samsung Galaxy Book 4 & 5 Manual QA Skills: • AI Model Performance Testing • AI Agent Functional & Usability Testing • Conversational AI & Chatbot Testing • Requirement Analysis • Test Case Design & Execution • Defect Reporting & Management • SEO Testing • Functional Testing • End-to-End Testing • Integration Testing • Exploratory Testing • PWA Testing (Progressive Web App Validation) • Reverse Testing – Test with Invalid/Unexpected inputs to ensure robust error handling & stability • Regression Testing • Cross-Browser Testing • Mobile App Testing (iOS & Android) • Usability Testing • UI/UX Testing • Payment Gateway Testing • System Testing & Acceptance Testing • API Testing (Postman, Swagger) • Performance Testing (Basic manual approach using tools) 🤖 AI Testing Expertise • AI Model Performance & Response Accuracy Validation • Conversational Flow, NLP Intent & Entity Testing • Voice Agent Quality Testing (ASR, TTS, Latency, Filler Word Detection) • Knowledge-Base and Prompt Flow QA • Context Retention & Session Continuity Testing • Multi-Agent Coordination and Voice Call Testing • Real-World AI App Testing (Retell, Bland, Vapi, ElevenLabs, Play.ht, Wishpond AI, Senior Care AI) 🛠️ Tools & Platforms: • Bug Tracking & Management: JIRA, Trello, Asana, Linear, ScribeHow • Collaboration & Reporting: Google Sheets, Notion, Slack • Testing Platforms: BrowserStack, physical devices • Performance & Analytics Tools: GTmetrix, SimilarWeb • Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals 📌Domains Expertise: 🛒eCommerce (Shopify, WooCommerce) ☁️ SaaS Applications 🏥 Healthcare 📱 Mobile Applications 💳 Insurance 💳 Banking & Financial Services 🎮 Gaming 💳 Point of Sale (POS) 🧩 ERP Systems 🤖 OpenAI Integration With a strong commitment to delivering error-free, high-performing software, I aim to exceed quality expectations and provide products that users love. I am available for flexible timings across any time zone and dedicated to helping you bring your software to the highest standards of performance and user satisfaction. Why Choose Me? ✔️ Proven expertise in Manual QA testing ✔️ Comprehensive experience across web and mobile platforms ✔️ Skilled in test documentation, ensuring a structured and repeatable testing process ✔️ Ability to identify critical defects and edge cases ✔️ Adaptable to both Agile and Waterfall methodologies ✔️ Flexible work hours to meet your project needs ✔️ Expert in crawling websites to ensure flawless functionality and SEO perfection 💡 Ready to Raise Your Product Quality? 📅 Available for both short-term tasks and long-term QA partnerships — hourly or fixed-price 🤝 𝗟𝗲𝘁'𝘀 𝘄𝗼𝗿𝗸 𝘁𝗼𝗴𝗲𝘁𝗵𝗲𝗿 𝘁𝗼 𝗲𝗻𝘀𝘂𝗿𝗲 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝗺𝗲𝗲𝘁𝘀 𝘁𝗵𝗲 𝗵𝗶𝗴𝗵𝗲𝘀𝘁 𝗾𝘂𝗮𝗹𝗶𝘁𝘆! 📩 Message me now to discuss your QA goals! Related Keywords: Manual Testing, API Testing, Web Testing, Mobile App Testing, Regression Testing, Cross-Browser Testing, Test Case Design, Jira, UI/UX Testing, End-to-End Testing, Functional Testing, Bug Reports, Quality Assurance, Payment Gateway Testing, iOS Testing, Android Testing, Test Plan, Usability Testing, User Testing, Software Testing, Manual QA, AI Testing, Chatbot Testing, Voice AI Testing, NLP Testing, Mobile App QA, Conversational AI, AI Model Evaluation, Reverse Testing, PWA Testing, Progressive Web App Validation, AI Apps Testing, Progressive Web Application, OpenAI, AI Apps, ChatGPT, Sora, Gemini, Generative AI, Chatbot

I’m a Mobile App Developer with hands-on experience building and publishing production-ready apps for both iOS and Android — from initial development to final App Store and Play Store submission. I specialize in turning ideas or existing web apps into fully functional mobile applications, handling everything end-to-end including authentication, payments, push notifications, and backend integrations. 🚀 What I Do 📱 Build and publish mobile apps (iOS & Android) 🔄 Convert web apps into native apps using Capacitor 🔐 Implement secure authentication (Firebase, Google, Facebook, LINE, Apple, Phone OTP) 💳 Integrate payments (Stripe, 3D Secure, custom flows) 🔔 Set up push notifications using Firebase ☁️ Full Firebase integration (Auth, Firestore, Functions, Storage) 🎬 FFmpeg-based video & audio processing tools 💡 Mobile Development Expertise Capacitor & Cordova (custom plugins, native integrations) Native iOS (Objective-C) & Android (Java) Ionic, Angular, Vue (Quasar) REST API & backend integrations I ensure apps are: ✔ Stable and production-ready ✔ Fully compliant with App Store & Play Store guidelines ✔ Optimized for performance and scalability 🎯 Real Experience Built and published cross-platform apps from scratch Implemented multiple authentication systems across apps Integrated secure payment flows including Stripe Developed FFmpeg-based tools for video/audio processing Delivered apps with real users and production usage 🤝 Why Work With Me Clear communication and fast response Focus on long-term, scalable solutions Experience handling complete app lifecycle (dev → publish → maintain) Reliable delivery with attention to detail If you’re looking for someone who can take your app from idea to live on the App Store/Play Store, I can help you build it the right way.