I help healthcare companies and digital health teams build mobile apps faster, securely, and cost-efficiently, especially for connected devices, BLE integrations, and regulated environments. Instead of managing separate codebases, I deliver a single, scalable cross-platform architecture that supports medical-grade mobile applications, reduces development time by 40–60%, and maintains native performance. My focus goes beyond standard mobile development — I specialize in healthcare ecosystems, including: • Connected medical devices & wearables (BLE, IoT) • Real-time and near real-time health data processing • Apple Health / Google Fit integrations • HIPAA-aligned architectures & secure data handling • Remote patient monitoring & digital therapeutics apps Whether you're building an MVP or scaling an existing product, I help you choose the right architecture, avoid costly mistakes, and accelerate time to market. 𝙁𝙖𝙘𝙩𝙨 𝙖𝙗𝙤𝙪𝙩 𝙢𝙚 🏅 Built 100+ mobile applications across Flutter, iOS and Android 🚀 15+ years in mobile development including Flutter mobile development 🏆 Founded a technology company acquired by Microsoft 🌐 Developed developer tools acquired by AWS 🎯 Built products across Healthcare, IoT, Travel, Ecommerce and SaaS 💰 Helped startups launch profitable mobile products for iOS and Android 🔍 𝙃𝙤𝙬 𝙄 𝙃𝙚𝙡𝙥 𝙁𝙤𝙪𝙣𝙙𝙚𝙧𝙨 Whether you're building a startup MVP, SaaS platform, marketplace app or scaling an existing mobile development product for iOS and Android, I deliver production-ready Flutter mobile apps using modern mobile development architecture. 𝙈𝙮 𝙬𝙤𝙧𝙠𝙛𝙡𝙤𝙬 𝙛𝙤𝙘𝙪𝙨𝙚𝙨 𝙤𝙣: ✔ Fast MVP mobile development for startups ✔ Clean and scalable Flutter mobile development architecture ✔ Stable Flutter builds for iOS and Android ✔ High-performance UI and animations for Flutter mobile apps ✔ Long-term scalability in mobile development This approach helps companies reduce mobile development costs and launch faster across iOS and Android markets. 𝙎𝙝𝙤𝙧𝙩 𝙥𝙞𝙩𝙘𝙝 I'm a Senior Flutter Developer / iOS & Android Mobile App Developer with 15+ years of experience in mobile development. I design and scale mobile applications for iOS and Android using Flutter mobile development, Dart, Swift, Kotlin, Android development and iOS development combined with modern mobile architecture. Whether you need a Flutter developer, cross-platform mobile developer, startup MVP engineer, or mobile development expert for iOS and Android, I’ve got you covered. 𝙁𝙪𝙡𝙡 𝙡𝙞𝙨𝙩 𝙤𝙛 𝙢𝙮 𝙨𝙠𝙞𝙡𝙡𝙨 📱 Mobile Development: Flutter, Dart, Swift, SwiftUI, Objective-C, Kotlin, Java, Android, iOS 📲 Mobile Architecture: Flutter architecture, BLoC, Provider, Riverpod, Clean Architecture, MVVM 🖥 Web: TypeScript, JavaScript, React.js, Next.js 🔗 Backend & APIs: REST APIs, Firebase, GraphQL, WebSockets 🗄 Databases: SQLite, Firestore, MySQL, PostgreSQL ⚙ Tools: Git, CI/CD, Fastlane, TestFlight, Firebase With over a decade in mobile development, I also help with mobile product strategy, Flutter architecture consulting, AI integrations, backend infrastructure and full-stack development for mobile products. 𝙄𝙛 𝙮𝙤𝙪'𝙙 𝙡𝙞𝙠𝙚, 𝙛𝙚𝙚𝙡 𝙛𝙧𝙚𝙚 𝙩𝙤 𝙘𝙡𝙞𝙘𝙠 𝙩𝙝𝙚 𝙜𝙧𝙚𝙚𝙣 "𝙎𝙚𝙣𝙙 𝙖 𝙢𝙚𝙨𝙨𝙖𝙜𝙚" 𝙗𝙪𝙩𝙩𝙤𝙣 𝙖𝙣𝙙 𝙩𝙚𝙡𝙡 𝙢𝙚 𝙢𝙤𝙧𝙚 𝙖𝙗𝙤𝙪𝙩 𝙮𝙤𝙪𝙧 𝙢𝙤𝙗𝙞𝙡𝙚 𝙙𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩🚀 Over the years I’ve delivered Flutter mobile development solutions for iOS and Android startups, SaaS platforms and enterprise mobile applications, helping companies scale mobile development products across Flutter, iOS and Android environments. Flutter developer focused on Flutter mobile development for iOS and Android applications. Experienced in building scalable Flutter mobile apps for iOS and Android using modern mobile development architecture. I design and deliver Flutter mobile development solutions for iOS and Android startups, SaaS products and enterprise platforms. My work combines Flutter mobile development, iOS development and Android development to deliver stable mobile applications with high performance across Flutter, iOS and Android. 7/04

𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝🏆 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐀𝐈 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 | 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐈𝐨𝐬 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐬𝐢𝐠𝐧 | 𝐀𝐈 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 | 𝐃𝐚𝐭𝐢𝐧𝐠 𝐀𝐩𝐩. Hi there! I'm Nishant, a passionate Mobile App Developer with over 9 years of experience developing intuitive mobile and web apps. As a product designer & developer for startups and solo entrepreneurs, I specialize in building mobile and web applications from the ground up, with a keen eye for essential features that drive user engagement and business success. ✅ 1900+ 𝐇𝐨𝐮𝐫𝐬 as a Mobile App Developer, React Native App Developer, and Flutter App Developer ✅ 54+ Jobs completed on upwork with 5★ Rating ✅ 10+ years industry Experience in Mobile App Development as a Flutter App Developer ✅ 150+ Mobile Apps completed on upwork & other platform With extensive experience in Flutter, Dart, Firebase, REST APIs, and backend creation using node js, I build cross-platform applications that run seamlessly on Android, iOS, Tablets, and Web using a single codebase, reducing development costs while maintaining native-like performance. I have strong experience in AI Mobile App Development, Hybrid Mobile App Development, Native App Development, and Flutter App Development for startups, enterprises, and businesses. 🌍 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐒𝐞𝐫𝐯𝐞𝐝:- • Saas App • Logistic & Fuel Delivery App • Fleet Management App • Ecommerce App & Shopping App • Online Dating App • Food Delivery App,Grocery Delivery App • Restaurant & Cafe App • Taxi App • On-Demand Home Services App • Bakery, Café & Restaurant Management Apps • Chat ,Messaging & video calling App • Social Media App • Real Estate App • Beauty Services & Salon Appointment Booking App • Event Planning & Booking Apps 🔹 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬: 𝐂𝐮𝐬𝐭𝐨𝐦 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Flutter, Android (Java/Kotlin), iOS (Swift/Objective-C),TReact Native 𝐂𝐫𝐨𝐬𝐬-𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 – High-performance apps for both Android & iOS with single codebase 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 – Facebook, Google, Apple, Instagram, YouTube logins & APIs 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 & 𝐒𝐮𝐛𝐬𝐜𝐫𝐢𝐩𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 – PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases, RevenueCat 𝐂𝐡𝐚𝐭, 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠 & 𝐂𝐚𝐥𝐥𝐢𝐧𝐠 – Real-time chat, audio/video calls, live streaming with Socket, Firebase, Twilio, Agora 𝐋𝐨𝐜𝐚𝐭𝐢𝐨𝐧-𝐁𝐚𝐬𝐞𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 – Google Maps, Places API, real-time tracking, geolocation 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 – ChatGPT, OpenAI 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐀𝐏𝐈𝐬 – Node.js, Laravel, PHP, REST/GraphQL APIs 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 Two-Factor Authentication (2FA), OAuth, Twilio, Mailgun 𝐐𝐑 & 𝐁𝐚𝐫𝐜𝐨𝐝𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬– Custom generation, scanning, payment solutions With strong expertise in Flutter, Node.js, and full-stack development, I focus on delivering reliable, high-quality, and scalable solutions. I have hands-on experience with Firebase, push notifications, in-app purchases, payment integrations, maps, and API-based applications. I also offer a free 15-20 minute consultation to refine your idea, recommend the right tech stack, and outline potential scaling costs—so you can make informed decisions with clarity. 🚀If you’re looking for a developer who understands your product, takes ownership, communicates clearly, and builds for the long term—let’s connect. Warm Regards Nishant Bhardwaj Highlighted Skills :- Flutter Developer | Flutter Expert | Mobile App Developer | iOS Developer | Android Developer | Cross-Platform App Development | Mobile app development services in India | Affordable app developers near me | | AI App Developer | AI mobile app development services | expense tracker app | custom mobile app development | cross-platform app development | Ai Mobile App Developer | Flutter App Developer | mobile app builder | mobile app creation | create mobile app | mobile app professionals | mobile app development company | software company | app development agency | iOS and Android app development | Mobile App Development for Startups | Mobile App Development for Enterprises | Mobile App Design | Dating App Development | E-commerce Mobile App | Healthcare App Development | Fitness App Development | mvp app developer | Phone Application Programmer | mvp app development

About Me I have 10+ years of experience in Project Management of Mobile App Development, specializing in Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, React Native Mobile, Redux Flutter, Firebase, Mongo Db, User Authentication, EHR, FHIR, HL7, HIPAA compliance, Typescripts, and AI-driven applications. My expertise spans iOS & Android development, AI-powered solutions, seamless authentication systems, and full-stack capabilities, ensuring modern, high-performance apps for businesses of all sizes. Our Agency Since July 2017, my husband, our talented 55+ team members, and I have been delivering world-class digital solutions. - 150+ apps successfully delivered across multiple platforms in the last year - $4M+ turnover on Upwork - 500+ successful projects, 15,000+ hours worked - Close to a 100% success rate - Worked with 7, 8, and 9-figure businesses Our Expertise Mobile App Development • Android, iOS, & Cross-Platform Apps (Java, Kotlin, Swift, Objective C, React Native Mobile, Flutter) Web & Full Stack Development • Front-End: React.js, Angular.js, Next.js, WebRTC • Back-End: Node.js, Firebase, MongoDB, PostgreSQL • Cloud Deployment & API Integrations E-commerce & CMS Development • Shopify Developer & Customization • WordPress Developer & WooCommerce Solutions UI/UX Design & Branding • Adobe XD, Figma, Photoshop, Sketch Digital Growth & Security • SEO & Digital Marketing Optimization • Data Security & Intellectual Property Protection Intellectual Property Services • Trademark & Copyright Assistance Why Choose SolidAppMaker? - Tailored Approach: Every project is customized to fit your needs and budget. - Agile Workflow: Regular updates, milestones, and transparent communication. - High-Quality Development: Rigorous testing & performance optimization. - Competitive Pricing: Top-tier services at fair and transparent pricing. - Proven Track Record: Experience with MVPs, SaaS platforms, AI-driven apps, and enterprise solutions. Why SolidAppMaker Stands Out - 8+ years of expertise in UI/UX, mobile apps, SaaS & web development - 510+ projects successfully completed for startups & enterprises - 10+ awards & recognitions, featured on Upwork & top design platforms - 20+ countries served, delivering top-tier prototyping & development solutions Industries We Cover Healthcare, Transport, Retail, Asset Management, Real Estate, Dating, Nature/Wildlife, Rental, Food Delivery, Fintech / Finance and Banking, Cryptocurrency, Entertainment, Hospitality, Logistics, Manufacturing, Media and Publishing, Non-Profit, Sports and Fitness, Travel and Tourism, Utilities, Wellness, Medical Dashboard, Marketplace, Advertising, Automotive, Business Innovations, Ecology, Human Resources, LegalTech, Lifestyle, Fashion, Marketing, Navigation, Education, E-learning. Highlighted Skills Project Planning, MVC Architecture and RESTful APIs, Front-end Technologies (React.js, HTML5, CSS3, JavaScript), Responsive and Mobile-first Design, Database Design and Implementation (MongoDB, Firebase), User Authentication, Integration of Third-party APIs, Deployment to Cloud Platforms (AWS), Test-driven Development, Agile Methodologies (Scrum, Kanban), Security Technologies, QR Code Scanner, GPS and Mapping, Blockchain and NFT, ChatGPT and Artificial Intelligence. React Native Mobile Developer 10+ years of experience As a Mobile App Developer and Full Stack Developer with deep expertise in SaaS Mobile App, React Native Mobile App I bring over a decade of experience in building high-performance cross-platform mobile application. As a talented React Native Mobile Developer with good knowledge of cross-platform development, I specialize in crafting high-performance mobile apps for both iOS and Android platforms. I made more than 400 apps using React Native Mobile. Reactnative Mobile is my main tech stack, making top-performing apps using React Native Mobile. IOSDeveloper AndroidDevelop As a mobile app developer and full stack developer, I specialize in building robust cross-platform solutions using Flutter, React Native Mobile, and Expo for rapid development. My projects often leverage Firebase for secure real-time data storage and user authentication, and I have hands-on experience integrating WebRTC for live video and audio communication inside mobile apps. On the backend, I frequently use Laravel to build scalable APIs and admin panels that perfectly support mobileapp solutions. ReactNative Next Steps – Let’s Build Something Amazing! 📅 Would you be available for a 30-60 minute free consultation? During this meeting, we will: - Go over your project goals, technical needs, and budget. - Provide a project plan with a timeline and cost estimate. - Discuss the best development approach to fit your vision. - Send me a message, and I’ll share the Upwork scheduler link so we can set up a time that works best for you. Looking forward to collaborating and creating something extraordinary! Best regards, Daisy VC

Dear Startup Founder, I understand Startup is like jumping off the cliff and then building a parachute before you hit the ground It is challenging and not everyone's cup of tea I know you are worried about risking your hard-earned money on a product that you think can change the WORLD we breath in Anxious, anguish, tossing and turning in your bed at 3 AM And to take it one step further You are being handicapped and throat grabbed by a zillion of directions and scepticism OMG! Is the new idea big enough to matter? Can I leanly test it and quickly find out if it's viable? What problems can I solve that my competition cannot? What's the opportunity cost? How can I measure success—and failure? ..... Ugh!!!! and list goes on disrupting your neocortex and limbic cells! BUT “The people who are crazy enough to think they can change the world are the ones who do.” - No Surprises! Now Look, Dear Startup Founder, Are you also the one with a bad case of shiny object syndrome? Falling in love with the idea of creating a new product and beginning work on developing it, but with no long-term game plan on how to follow through on that idea? And half way through you wanna see yourself finding a problem to a solution rather than a solution to a problem? yet another entry to FAILED STARTUPS LIST - No surprises! A little bit of this ... and a little bit of that is never going to hit the BULLS EYE! Read it 10X and loud! FULL STOP! But this is not about me ... it's about YOU! You are reading this right now because, in some way or shape, or form, your baby startup isn't where you want to be Without shadow of doubt you put in a herculean amount of effort... Jolting, scratching, hustling and bleeding your face off to reach here Or may be you are flying...and simply want more. More MONEY 💰 More FREEDOM 🙌🏻 More accomplishments More Impact More Empowerment More Security More Memories More time with your family More business class flight with your LOVE to places that result in more sand between your toes ❤️ Whatever MORE meant to you... I've got good news for you... I am the PARACHUTE to your startup risks and adventure Cause soon you will be feeling like... "FINALLY, I saw my dream startup becoming a REALITY" No Prayers, No Hope, No Fate, No Written Destiny I believe in making it happen at ANY COST - I believe in knocking it out of the PARK! Straight Away! Imagine your life being a movie, and you being the hero! Let's DO IT together. ⭐️ Starting with FREE: 1-1 consultation & FREE Visual Design of your new PRODUCT 𝐑𝐞𝐬𝐮𝐥𝐭𝐬 𝐦𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐚𝐫𝐞 𝐠𝐞𝐭𝐭𝐢𝐧𝐠: --------- - Soul for gyms: 𝗦𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗲𝘅𝗶𝘁: 𝟮𝟬𝟬% 𝗽𝗿𝗼𝗳𝗶𝘁 - Cricflex: 𝟯𝟬𝟬𝗞+ 𝗨𝗦𝗗 𝗥𝗮𝗶𝘀𝗲𝗱, 𝗡𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗦𝘁𝗮𝗿𝘁𝘂𝗽 𝗖𝘂𝗽 𝗪𝗶𝗻𝗻𝗲𝗿 - Nattyfit: 𝗦𝗮𝘃𝗲𝗱 𝟒𝟬% 𝗼𝗳 𝘁𝗵𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗰𝗼𝘀𝘁 𝐭𝐡𝐫𝐨𝐮𝐠𝐡 𝐌𝐘 𝐌𝐀𝐆𝐈𝐂 𝐏𝐈𝐋𝐋 𝐒𝐓𝐑𝐀𝐓𝐄𝐆𝐘 𝗪𝗲 𝗺𝗮𝘆 𝗯𝗲 𝗮 𝗴𝗿𝗲𝗮𝘁 𝗳𝗶𝘁 𝗶𝗳 𝘆𝗼𝘂 𝗮𝗿𝗲 𝘁𝗵𝗶𝗻𝗸𝗶𝗻𝗴: --------- 🔑 I need to develop quality software for my business, delivered on time and within my budget 🔑 I am not able to find someone who pays deep attention to details with great communication skills 🔑 I need to know whether my business idea is going to work or not 🔑 I need someone keen to engage in a long-term business relation 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗲, 𝘆𝗼𝘂 𝘄𝗶𝗹𝗹: --------- 🎉 STOP STRUGGLING with getting things done the way you want 🎉 INCREASE your chances of success and hit the bull’s eye with your promising idea 🎉 SAVE COSTS & TIME by following THE MAGIC PILL strategy: “BUILD, MEASURE & LEARN” Cycle 🎉 Get FREE OF COST design work In my 7+ years of development career, every single client I have worked with has come to the conclusion that I deserve fair and square 5.0 ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ stars feedback! They can't be all wrong I guess, can they? I'm here to overdeliver and WOW my clients, I've always done that and that’s what I will always do. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗜 𝘂𝘀𝗲: --------- ✅ Platforms: Android and iOS ✅ Cloud services: AWS and GCP ✅ APIs: REST APIs and GraphQL ✅ Databases: MySQL, PostgreSQL, SQLite, Firebase, MongoDB ✅ Front End: HTML, CSS, Bootstrap, JavaScript, React/React Native, Redux, Vue, Swift ✅ Backend: PHP, Laravel, Node.js, TypeScript, Python/Django, Elixir, Java, Parse, Express ✅ Startup approaches: Lean Startup 𝗛𝗲𝗿𝗲 𝗮𝗿𝗲 𝘀𝗼𝗺𝗲 𝗼𝗳 𝗺𝘆 𝘀𝘁𝗮𝘁𝘀: --------- ✅ 7+ years of experience ✅ TOP 3% of Upwork – TOP RATED PLUS ✅ 100% Job Success Score ✅ ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ reviews on all projects ✅ Worked on 60+ projects ✅ Raised 30000 USD for my startup in 2018 ✅ Raised 100000 USD for my company in 2021 ✅ Founder Institute Certified 𝗦𝗢𝗨𝗡𝗗 𝗟𝗜𝗞𝗘 𝗔 𝗙𝗜𝗧? 𝗡𝗘𝗫𝗧 𝗦𝗧𝗘𝗣𝗦: Click the green ‘Invite to Job’ button in the top right-hand corner, send me a message, and let’s organize a call!

I am a Los Angeles-based Professional with 17+ years of work experience where I took roles of Full Stack Developer, Project Manager, Solutions Architect, Team Lead, DevOps Engineer, Project Consultant, Cloud Consultant, Cloud Architect, etc. I have a rich portfolio of Web and Mobile Apps(both iOS and Android). ***************** I have led Projects for well-known companies like Sony Pictures, Paramount Pictures, 20th Century Fox, Prince Cruise Line(PCL), Masimo, and Creative Artist Agency. ***************** As a Full Stack Developer/Team Lead/Project Manager/Solutions Architect I have extensive experience with a Web application, Mobile Applications, Desktop Application Development, UI/UX Design, Tech Support, Cloud Architect, and Consulting Projects involving technologies like Wordpress, PHP, Java, Python, C#, Javascript, React, Angular, Node.js, Express.js, Shopify, Swift, Objective-C, React Native, AWS, GCP, Microsoft Azure, etc. - Build and develop the project team to ensure maximum performance, providing purpose, direction, and motivation. - Lead projects from requirements definition through deployment, identifying schedules, scopes, budget estimations, and project implementation plans, including risk mitigation. - To coordinate internal and external resources, ensuring projects remain within scope, schedule, and defined budgets, in collaboration with project staff from various functional departments. - Analyze project progress and, when necessary, adapt scope, timelines, and costs to ensure that the project team adheres to project requirements. - Establish and maintain relationships with appropriate client stakeholders, providing day-to-day contact on project status and changes As DevOps/Cloud Engineer I have extensive experience in designing, implementing, and maintaining complex Cloud-based infrastructure with a focus on security, scalability, and high availability. AWS Services: Deployment Automation: Proficient in automating deployment processes using AWS CloudFormation, Terraform, and Ansible to reduce errors and improve speed. Continuous Integration and Delivery: Skilled in setting up CI/CD pipelines using AWS CodePipeline, AWS CodeBuild, and Jenkins for automated build, test, and deployment processes. Monitoring and Alerting: Capable of setting up monitoring systems using AWS CloudWatch, Prometheus, and Grafana to identify performance issues proactively. Security and Compliance: Knowledgeable in implementing security best practices and automated compliance checks using AWS Config and AWS Security Hub. Cost Optimization: Experienced in optimizing AWS spending using tools like AWS Cost Explorer, AWS Budgets, reserved instances, spot instances, and auto-scaling. Microsoft Azure Services: DevOps Strategies: Proficient in designing and implementing effective DevOps strategies using Microsoft Azure for continuous integration, delivery, and deployment. Infrastructure Provisioning and Configuration: Experienced in provisioning and configuring Azure infrastructure using tools like Azure Resource Manager (ARM) templates and Terraform. Continuous Integration and Continuous Deployment (CI/CD): Skilled in establishing CI/CD pipelines using Azure DevOps for automated build, test, and deployment processes. Automation and Orchestration: Capable of automating tasks and processes using PowerShell, Azure CLI, Azure Automation, and Azure Logic Apps to streamline operations. GCP Services: Deployment Automation: Proficient in automating deployment processes using tools like Google Cloud Deployment Manager and Terraform to ensure consistency and reliability. Continuous Integration and Delivery: Skilled in setting up CI/CD pipelines using Cloud Build and Jenkins on GCP for automated testing, building, and deployment of applications. Monitoring and Alerting: Capable of implementing monitoring and alerting systems using Stackdriver Monitoring and Stackdriver Logging to identify and resolve issues promptly. Security and Compliance: Knowledgeable in implementing security controls and compliance standards using GCP Identity and Access Management (IAM) and Security Command Center. Cost Optimization: Experienced in optimizing costs on GCP using tools like Cost Explorer and Budgets, as well as utilizing features like sustained use discounts and preemptible VMs to minimize expenses. *****************

Senior Mobile Developer (iOS • Android • Flutter) | AI-Driven Mobile Products From fitness apps featured by Apple to AI-powered platforms with 20K+ users, I build high-performance mobile products that feel great, scale smoothly, and deliver real business impact. With 10+ years of engineering experience, I don't just "write code." I combine deep technical expertise with product thinking to help founders launch faster, optimize monetization, and scale confidently. Whether you need a pixel-perfect native app (Swift / Kotlin) or a cost-effective cross-platform solution (Flutter) integrated with modern AI, I've got you covered. 📈 Shipped Products & Proven Results: 🏆 Fitness App Featured by Apple – Built natively with Swift, SwiftUI, and HealthKit. Focused on premium UI, offline performance, and local data caching. 🚀 Viral AI Attractiveness App (20K+ Downloads) – Implemented face detection and an AI scoring engine. Optimized subscription hooks and achieved massive organic growth. 🌍 Art & Exhibition Finder (10K+ Daily Active Users) – Scaleable cross-platform app built with Flutter, Firebase, and Google Maps API. Designed high-performance caching and custom map clustering. 🤖 AI-Powered Voice Assistant – Developed a real-time conversational voice solution using OpenAI API, Twilio, and advanced audio processing. 👶 AI Parenting App (1,000+ Downloads in Week 1) – Native iOS/Android builds integrated with Core ML, Firebase backend, and personalized automated insights. 🧰 Technical Expertise: Languages & Frameworks: Swift (SwiftUI, UIKit), Kotlin (Jetpack Compose), Dart (Flutter), Objective-C AI / ML Integration: OpenAI API, ChatGPT, Core ML, Computer Vision, NLP Architecture: MVVM, VIPER, TCA, Clean Architecture Backend & Infrastructure: Firebase, Supabase, REST, GraphQL, WebSockets, CI/CD (Fastlane, Codemagic) Monetization & Analytics: RevenueCat, Superwall (Advanced Paywalls), Amplitude, AppsFlyer Advanced Mobile Features: Live Activities, WidgetKit, Geolocation, VoIP (Twilio/Agora), Push Notifications 🤝 Why Founders Work With Me: Clients value that I think like both an engineer and a product owner. I translate high-level business goals into scalable architecture, help shape your product roadmap, and ensure zero-surprise App Store deployments. Let’s build your next product: Drop me a message with your project overview, and let's jump on a quick discovery call to see if we're a fit. Updated: 10.07.26

Expert Full Stack developer having skills in AI, Android, iOS & Web Development. I have 12 Years of experience in Mobile Application Development (Flutter/React Native), .Net, MERN Website Development and AI Driven softwares. 5 star rating from last 23 completed projects. My specialization is in building social networks, streaming apps, tools, utilities, e-commerce apps, consumer-facing products and B2B solutions. Integrated AI tools like Claude, OpenAI Codex, and GPT-based systems to accelerate code generation, documentation, and intelligent feature development (e.g., chatbots, sentiment analysis, recommendation systems). Designed and deployed AI-driven modules for predictive analytics, personalized content delivery, and automated decision-making in e-commerce and social apps. Developed voice and text-based assistants leveraging LLMs, Dialogflow, and OpenAI APIs, enhancing user engagement and customer support experiences. Leveraged machine learning pipelines for data-driven applications in domains such as healthcare, agriculture, and ad-tech—enabling smarter dashboards and business insights. - Website Skills: React, Angular, PHP, Wordpress, CakePHP, Magento, .Net, MySQL, CodeIgnitor etc. - Android/iOS: SWIFT, Java, J2EE, Objective C , C# , C++, C. - Hybrid framework: React Native, Flutter, Angular, NodeJS - Web service: XML/JSON, REST/SOAP - Cloud backend: Amazon S3 EC2 AWS, Firebase, Parse, Twillio - Online Payment Gateway: Paypal, Authorize.net, Stripe, PayUMoney, Braintree, Juspay - Tools: Visual Studio Code, X-Code, Android Studio, Netbeans, GitHub, Gitlab, Twilio I have done mobile applications ranging from Tiles manufacturing company, Hospitals, Pharmaceutical company to Entertainment applications like Kids ABCD and maths game. I have developed many web applications for ecommerce, agricultural warehouse management, Advertisement Network etc. With a growing focus on AI-powered automation, I combine software engineering expertise with next-gen AI capabilities to build digital products that are not only functional but also intelligent and future-ready.

Thank you for visiting my profile. With 10+ years of experience in software development, I specialize in building scalable mobile applications, web platforms, backend systems and AI-powered solutions for startups and businesses worldwide. I help companies turn ideas into production-ready digital products using Flutter, React Native, Python, React.js, Node.js and modern AI/ML technologies. My focus is always on performance, scalability, clean architecture, and long-term maintainability. I enjoy solving complex problems and building applications that are not only functional but also efficient, user-friendly, and future-ready. I follow best coding practices to ensure my code is clean, scalable, well-structured, and easy to maintain. I also value clear communication and consistent collaboration to ensure smooth project delivery. I am available for full-time (40+ hours/week) or part-time work. ✔️ Development Experience IoT Applications Social Networking & Chat Applications Health & Fitness Apps Salon Management Apps Rental & Real Estate Platforms E-commerce & Shopping Apps Food Delivery Applications Image Editing Applications AI-Powered Applications Web Platforms & Dashboards Backend Systems & REST APIs Cross-platform Mobile Apps (Flutter & React Native) ✔️ Technical Skills Mobile Development Flutter (Dart) React Native Swift (iOS) Kotlin / Java (Android) Objective-C Web & Backend React.js, Next.js Node.js, Express.js REST APIs Firebase WebSockets (Real-time apps) HTML5, CSS3 AI / Machine Learning Python Pandas, NumPy Scikit-learn TensorFlow, Keras PyTorch NLP (Natural Language Processing) Data Science & Data Visualization (Matplotlib, Seaborn) AI Integration & Automation Databases MySQL MongoDB SQL Server Tools & Platforms Git, GitHub, Bitbucket Jira, Trello, Asana Linux, macOS, Windows Push Notifications Google Maps & Geolocation APIs Payment Integration (In-App Purchases, AdMob) ✔️ Programming Languages JavaScript, TypeScript, Python, Dart, Java, Kotlin, Swift, Objective-C, SQL 📩 Let’s Work Together If you are looking for a reliable full-stack or AI developer to build or scale your mobile app, web platform, or backend system, feel free to connect. I would be happy to discuss your project and contribute to your success.

✮ 18+ years in IT. ✮ Worked with several Fortune 500 Companies ✮ Experienced Full Stack Developer ✮ Worked with British Telecom, AT&T, Google, IBM, etc. ✮ 100% refund policy. ✮ Available 18 hours a day. Prior to this I have worked with several fortunes 500 companies which include British Telecom, AT&T, Google, IBM before start my own freelancing work. Having more than 18+ years rich knowledge in IT and handled more than 3000+ live projects I can guarantee that I will add value to your projects. If I can’t deliver anything I won’t charge for my time, and in this world nobody wants to work for free. [ What I can provide ] ✮ Angular JS 6 Development ✮ Node JS Development ✮ Python Development ✮ React JS ✮ Meteor JS ✮ Express JS / Sails JS ✮ Vue JS ✮ TypeScript ✮ AngularDart ✮ Dart ✮ Mobile App ✮ IOS Development ✮ Android Development ✮ Swift 4 ✮ Java 8 ✮ Objective C ✮ Google Kotlin ✮ React Native ✮ Google Flutter ✮ E-commerce Development ✮ Magento Development ✮ Website development ✮ Mobile Back end development ✮ Graphic design + UI & UX implementation ✮ Consulting in mobile app development ✮ Startup Development I am having strong expertise in database, here is few in the list, ✮ MS SQL ✮ Mongo DB ✮ My SQL ✮ Maria DB ✮ SQL Lite ✮ Amazon Dynamo DB ✮ Amazon Aurora Expertise in Blockchain: ✮ Smart Contracts development using Solidity ✮ Subgraph indexing using the graph ✮ Tokenomics ✮ Vesting ✮ Web3 integration ✮ In-depth knowledge of ERC20 & ERC721 Smart Contracts ✮ NFT contract ✮ Token/ coin Contract ✮ Defi EXchange ✮ BEP1155 ✮ Hardhat ✮ NFT minting Also I am comfortable with Cloud Computing using Amazon AWS, GCloud, MS Azure. Here is my system programming exprience, ✮ Docker ✮ Kubernetes ✮ Jenkins ✮ Google App Engine ✮ Micro Services ✮ Amazon Elastic Container Services ✮ Amazon Elastic Beanstalk ✮ Amazon EBS ✮ Amazon AWS CLI ✮ Elastic Cache ✮ Mem Cache ✮ Redis Cache Also I am comfortable with Analytical information or Search engine development. Here is my informations below, ✮ Apache Solr Search ✮ Amazon Elastic Search ✮ Amazon Red Shift ✮ Kibana ✮ Lucene ✮ Sphinx ✮ Xapian [ My Domain Experience ] ✮ On-Demand Service app ✮ SAAS ✮ Uber-like app ✮ Food delivery website and app ✮ Restaurant website and app ✮ Travel website and app ✮ Social network website and app ✮ Upwork like service marketplace website and app. ✮ Crowdfunding website and app ✮ Service provider finder app ✮ GPS apps ✮ Product selling website and app ✮ Event ticket-selling website ✮ Daily Deal website and app ✮ E-commerce website and app ✮ Dating website and apps ✮ Rideshare apps Also I am comfortable with several open source system, like follows, ✮ Magento ✮ WordPress ✮ Drupal I love my job as working with different clients has given me the opportunity of being a part of so many wonderful ideas and journeys. My approach to work is to go beyond the job description and focus on building a long lasting relationship with all clients.

I’m Rajibul Ahsan, a Senior Full Stack Developer and AI Integration Specialist, helping startups and growing businesses build scalable web apps, mobile apps, MVPs, and AI-powered products. I specialize in cross-platform mobile development with Flutter and React Native (iOS & Android), including full App Store and Google Play publishing support. 96 jobs completed | Top Rated | From frontend and backend to databases, cloud infrastructure, and AI integration — I handle the full development lifecycle myself, so you work with one experienced developer instead of coordinating multiple teams. I have hands-on experience building fintech apps, health and wellness apps, ride-sharing apps, AI-powered connection-based apps, and SaaS products - taking ideas from zero to one with clean code architecture and scalable backend systems. Process Overview - Project Discussion I first understand your app idea, target users, required features, design preferences, and business goals. - Planning & Architecture I create a clear development plan, choose the right tech stack (Flutter, React Native, Node.js, Firebase, or Supabase), and structure the app for scalability, security, and future updates. - UI/UX Implementation I build clean, responsive, and user-friendly screens based on your design or wireframe — optimized for both iOS and Android. - Backend & API Integration I connect Firebase, Supabase, custom REST APIs, OpenAI or LLM-based AI features, payment gateways, user authentication, push notifications, real-time chat, in-app purchases, and other required systems. - Testing & Bug Fixing I test the app on different devices, fix issues, improve performance, and make sure the app runs smoothly across iOS and Android. - App Store & Google Play Submission I prepare the final build, handle all store requirements, and support submission to the App Store and Google Play. - Post-Launch Support After launch, I can help with updates, bug fixes, new features, and long-term maintenance. Why clients choose me: ✔ Top Rated on Upwork ✔ 96+ completed projects | $20K+ earned ✔ 0–4 hour response time | Available full-time ✔ Clean code architecture, cross-platform expertise, thorough documentation & App Store submission support Ready to turn your app idea into a real product? Send me a message or invite me to your job post, and we can schedule a 15-minute call to discuss your idea and next steps.