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Hello! I am Balaji, a Full-Stack Web and Mobile Developer with a recent Master of Computer Applications degree and a passion for solving complex problems. My core expertise is in building and modernizing mobile applications using Flutter and native Android. As you can see from my recent project history, I have direct experience taking outdated applications and making them fully compatible with the latest Android versions, ensuring they meet all modern security and Play Store requirements. My key skills include: 1) Mobile Development: Flutter, Dart, Native Android (Java, Kotlin) 2) Web Development: React, JavaScript, Node.js, PHP 3) Tools & Databases: Android Studio, Git, MySQL, MongoDB I am a dedicated, professional freelancer who provides clear communication and high-quality work. My goal is to help you achieve your project's objectives efficiently. If you are looking for a developer who can deliver clean code and reliable solutions, I would be very excited to discuss your project. Let's build something great together!

As a Mobile App Developer with 5+ years of experience who has contributed to mobile applications with over 𝟳𝟬𝗠+ 𝗱𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀. I help startups, founders, and enterprises build AI-powered mobile applications for iOS, Android, and Flutter, transforming ideas into scalable, high-performance products from MVP development to App Store and Google Play launch. I've delivered mobile applications across 80+ projects for clients in 20+ countries, working with startups, growing businesses, and enterprise teams to build products that solve real-world challenges. - 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: Since joining Upwork, I’ve worked across various industries: Travel and Tourism, train ticket booking, transport, educational, hospitality, health & wellness, real estate, live streaming, Marketplace, food & delivery, human resources, fitness, financial & banking sectors, e-commerce, dating, sports, Betting, music/audio, and automotive. I'm always excited to explore new industries - what's your industry? 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗮𝗿𝗲𝗮𝘀: - Mobile App Development for iOS, Android - AI App Development & AI Feature Integration - Cross-Platform App Development - MVP App Development for Startups - Flutter App Development - iPhone app development - iPad app development - Native Android App Development - AI Chatbot & AI Agent Integration - RESTful API, GraphQL & Third-Party SDK Integration - Firebase & Supabase Integration - Payment Gateway Integration - Subscription Integration - Push Notifications & Real-Time Features - User Authentication & Authorization - Real-Time Chat & Audio/Video Calling Integration - Maps, Geolocation & Navigation Integration - BLE & IoT Device Integration - Mobile App Feature Enhancement - App Performance Optimization & Bug Fixing - App Store & Google Play Publishing - Ongoing Maintenance & Technical Support 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗮𝗻𝗱 𝗧𝗼𝗼𝗹𝘀 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲: - Dart, Swift, Kotlin, Java - Flutter, React Native - SwiftUI, UIKit, Xcode - Android SDK, Android Studio, Jetpack Compose - Firebase, Supabase, Firebase Authentication - Firestore, Firebase Realtime Database, SQLite, Room, PostgreSQL, MongoDB - BLoC, Provider, Riverpod, MVVM, Clean Architecture - OpenAI, Claude AI, Google Gemini - REST APIs, GraphQL, WebSocket - Google Maps, Mapbox, Geolocation, Geofencing, Deep Linking - Stripe, RevenueCat, Adapty, Apple Pay, Google Pay, Razorpay, In-App Purchases - Firebase Cloud Messaging (FCM), OneSignal, Firebase Analytics, AppsFlyer, Mixpanel, Crashlytics - GitHub, GitLab, Android Studio, Xcode, Jira, Trello, Figma - 𝗚𝗹𝗼𝗯𝗮𝗹 𝗪𝗼𝗿𝗸 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: I have collaborated with clients from many countries including United States, United Kingdom, Germany, India, Australia, Israel, Netherlands, Canada, Hong Kong, Saudi Arabia, Denmark, Jamaica, Luxembourg, Italy, Romania, Kenya, Singapore, Indonesia, Jordan, Spain, Trinidad and Tobago, France, and more around the globe. I understand the different needs of international markets and love to create easy-to-use applications that meet the unique needs of clients in various industries. Thanks for visiting my profile. ------------------------------------------------------------------------ Skilled Flutter Developer, Experienced Mobile App Developer, Native Android App Developer, iOS App Developer, iOS Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best Flutter App Developer, Mobile App Development, Skilled Mobile App Developer, RESTful API Developer, API Integration, 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, Realm, SQLite, MySQL, Firebase Cloud FireStore, Realtime Database, Kotlin, Swift, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Alamofire, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Smartphone, API integration

Top 1% Globally - FlutterFlow Expert (2025) Top 5% Globally - FlutterFlow Expert (2024) Hello, my name is Akshay, and I'm a developer of Flutter and FlutterFlow. I've been creating high-performance mobile and web applications for more than 8 years. I help businesses and startups develop scalable apps quickly and effectively by focusing on FlutterFlow, Supabase, and AI-powered OpenAI applications. I have worked on 25+ production apps across iOS, Android, and Web, focusing on performance, clean architecture, and scalable backend systems. ✅ 𝗪𝗵𝗮𝘁 𝗜 𝗢𝗳𝗳𝗲𝗿: 𝐋𝐨𝐰-𝐂𝐨𝐝𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 I make use of FlutterFlow, Supabase, and BuildShip to produce powerful apps in a short amount of time, reduce costs, and maintain high quality. 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐌𝐚𝐬𝐭𝐞𝐫𝐲 I ensure that your app provides a consistent and seamless experience across all platforms (iOS, Android, and Web) from conception to deployment. 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐬𝐭 I manage Edge Functions, Database Design, Row-Level Security (RLS), and Realtime Updates to build scalable and secure backend solutions. ✅ 𝗖𝗼𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗦𝗸𝗶𝗹𝗹𝘀: FlutterFlow (Low-Code) Supabase (Backend as a Service) Google Cloud Console (Node.js Functions) BuildShip (CI/CD for Flutter) OpenAI Assistant (AI Integration) ✅ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: Dart (Flutter), Java, Kotlin 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js (Cloud Functions), PHP (API Development) 𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: GetX, BloC, Provider, Stacked 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: Supabase, Firestore, SQLite 𝐓𝐡𝐢𝐫𝐝-𝐏𝐚𝐫𝐭𝐲 𝐀𝐏𝐈𝐬: Shopify, Amazon Amplify, GraphQL, REST APIs 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: RazorPay, PayU, CCAvenue, Paytm 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞: Push Notifications, Remote Config, Analytics, AdMob 𝐄𝐧𝐜𝐫𝐲𝐩𝐭𝐢𝐨𝐧: AES, RSA 🌟 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗠𝗲? I provide individualised, high-quality solutions that support your company's objectives. I transform concepts into powerful, scalable applications by putting a strong emphasis on meeting deadlines and ensuring client satisfaction. 📩 𝗟𝗲𝘁’𝘀 𝗪𝗼𝗿𝗸 𝗧𝗼𝗴𝗲𝘁𝗵𝗲𝗿 If you are looking for a FlutterFlow expert, Flutter developer, or AI-powered mobile app developer, I would be happy to help. Send me an email and we can talk about your project.

40+ Hours Available Per Week Top Rated Plus full-time freelancer Manual QA with over 8+ years of experience in Software Quality Assurance, specializing in manual testing, functional and regression testing, cross-platform mobile and web application testing, API testing, workflow validation, and SaaS application QA. Extensive experience testing AI Voice & Chat Assistant platforms including Retell, Bland, Vapi, Wishpond AI, Senior Care AI, and more, along with marketplaces, booking systems, and enterprise applications. As a Top-Rated Plus freelancer on Upwork, I have delivered QA services to clients worldwide, backed by 250+ 5-star ratings ⭐, and tested 310+ mobile apps and 120+ web applications, collaborating with organizations like UNICEF and brands 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 27,700+ 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, 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

Looking for a reliable QA resource. Here you are on right place. I help product teams launch reliable web, mobile, and desktop applications by combining manual testing, automation frameworks, and performance validation. My priority is to detect high-impact issues early, deliver actionable bug reports, and ensure each release upholds the highest quality standards. 🏆 Top-rated freelancer with 4+ years of professional QA experience 🛠️ Expert in Manual Testing Methodologies 💻 Automation Expert | Cypress | Playwright 📋 Skilled in Project Management Tools like Jira, ClickUp, Trello, and Asana 📝 Proficient in Creating Robust Test Cases and Executing Various Types of Testing (Functional, Regression, Performance, etc.) 🔍 Proficient in API Automation Testing using Postman 🚀 Experienced in Managing CI/CD Pipelines 💬 Excellent Communication and Collaboration Abilities 🧠 Strong Analytical and Problem-Solving Skills I’m a QA Engineer with solid expertise in Cypress + JavaScript automation, alongside proficiency in other programming languages. My approach blends technical depth, attention to detail, and workflow automation skills to ensure smooth development cycles and dependable product releases. Testing Skills: ------------------------- - Requirement Analysis - Test Case Design & Execution - Defect Reporting & Management - Functional Testing - End-to-End Testing - Integration Testing - Exploratory Testing - Regression Testing - Cross-Browser Testing - Mobile App Testing (iOS & Android) - Usability Testing - UI/UX Testing - System & Acceptance Testing - API Testing (Postman) - Performance Testing (JMeter/LoadRunner) - Automation Testing (Cypress, JavaScript/Typescript) Expertise with Tools & Platforms: ---------------------------------------------- - Bug Tracking & Management: JIRA, Trello, Asana, Linear - Collaboration & Reporting: Google Sheets, Notion, Slack - Testing Platforms: BrowserStack, physical devices - Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals Domains: ----------- - Education - Real Estate - eCommerce & Retail - Media & Entertainment - Healthcare & Life Sciences - Email Marketing and Lead Generation Devices: ---------- - HP EliteBook Windows 11 - MacBook Pro (macOS Sequoia) - iPad - 10th Generation - iPhone XS - iPhone 14 Plus - iPhone 16 Pro Max - Google Pixel 7 - Samsung S22 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. ✅ Relevant Skill: Software QA . Functional Testing . Mobile App Testing . Web Testing . Manual Testing . Bug Reports . Software Testing . Automated Testing . Usability Testing . Android . Test Case Design . iOS . Smartphone . End-to-End Testing . Quality Assurance . QA Testing . Bug Tracking & Reports . Performance Testing . JavaScript . Jira . API . Testing . Python . QA Engineering.

SaaS + AI + Custom Software Product Development Partner | Web, Mobile & CRM/ERP Building a software product and need a development partner who can take it from idea to launch? I help startups, founders, and growing businesses build scalable SaaS platforms, AI-powered products, CRM/ERP systems, marketplaces, and web + mobile applications. With 15+ years of software development experience and a proven track record across 80+ Upwork projects, I focus on building React Native mobile apps, SaaS platforms, AI-powered applications, MVPs, marketplaces, dashboards, and business automation solutions for startups and growing businesses. I specialize in delivering high-quality software that is secure, scalable, and built for long-term growth. What I Can Build ✅ AI Applications & AI Agent Development ✅ SaaS Products & Startup MVPs ✅ React Native Mobile Apps (iOS & Android) ✅ Full-Stack Web Applications ✅ CRM, ERP & Business Management Systems ✅ Marketplace & E-commerce Platforms ✅ Admin Dashboards & Customer Portals ✅ API Development & Third-Party Integrations ✅ Workflow Automation & Business Process Automation Tech Stack • AI & Automation: OpenAI, Claude, Gemini, AI Agents, LLM Integrations, Workflow Automation. • Backend & Cloud: Node.js, NestJS, AWS, Docker, Vercel for secure, scalable infrastructure. • Mobile & Web: React Native, Next.js, TypeScript for cross-platform interfaces. • Data: MongoDB, PostgreSQL, Supabase for reliable data management. • Integrations: API Development, Third-Party Integrations, Payment Gateways. Industries & Domain Expertise Specialized experience delivering secure and compliant solutions for: • FinTech & Payments: Secure transactions, compliance, and wallet integrations. • Healthcare: HIPAA-compliant apps, patient portals, and telehealth. • SaaS & B2B: Scalable MVPs, dashboards, and subscription models. • E-commerce & Logistics: Inventory management, tracking, and marketplace platforms. • Real Estate & Education: Property listings, LMS, and booking systems. Why Clients Hire Me • 15+ Years of Proven Delivery: Extensive experience reducing project risk and ensuring on-time, on-budget launches. • ROI-Focused Development: I build features that drive revenue and efficiency, not just code. • Scalable Architecture: Solutions designed to grow with your user base without technical debt. • Transparent Communication: Weekly progress updates and clear technical explanations for non-technical stakeholders. • Post-Launch Support: Long-term maintenance and optimization to ensure product stability. "Your project deserves a partner who understands both the technology and the business impact. Send an invite, and let's build a solution that drives growth."