09/28/2026 updated
100 % available
Senior Full-Stack Web & Mobile App Developer | iOS/Android | React Native, Flutter | SaaS MVPs | AI
New York, USA
Worldwide
BA Computer Science, MBA, Mobile App Developer Certified, Google Cloud CertifiedAbout me
Hi, I am a Senior Full-Stack Developer specializing in AI-powered mobile and web applications, SaaS platforms, MVP development, and scalable backend solutions. With 8+ years of experience, I help startups, businesses, and enterprises transform ideas into high-quality digital products. Michael
SupabaseFlutterJava (Programming Language)JavaScriptAndroid (Software)IOS ApplicationsMobile Application DevelopmentNode.jsIonicNext.jsTypeScriptWeb Application DevelopmentReact.jsSwift (Programming Language)Google Firebase
I am a Senior Full-Stack Developer specializing in AI-powered mobile and web applications, SaaS platforms, MVP development, and scalable backend solutions. With 8+ years of experience, I help startups, businesses, and enterprises transform ideas into high-quality digital products.
My expertise includes Flutter, React Native, iOS (Swift), Android (Kotlin), React.js, Next.js, Angular, Node.js, NestJS, Laravel, PHP, and cloud-based architectures. I build modern applications with clean code, scalable infrastructure, and user-focused experiences.
✅ Services I Provide:
• Mobile App Development (iOS & Android)
• Cross-Platform App Development (Flutter & React Native)
• Full-Stack Web Application Development
• SaaS Product Development & MVP Development
• AI Application Development & OpenAI API Integration
• Backend Development with Node.js, NestJS, Laravel & Firebase
• REST API Development & Third-Party Integrations
• Admin Dashboards & Management Portals
• Real-Time Applications with WebSockets, Chat & Notifications
• Payment Gateway Integration (Stripe, PayPal, Razorpay, Braintree)
• Cloud Solutions, Database Design & Deployment
? Applications I Have Built:
✅ 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
? Technical Expertise:
- Mobile Development:
Flutter, Dart, React Native, Swift, Objective-C, Kotlin, Java, Jetpack
- Frontend Development:
React.js, Next.js, Angular, HTML5, CSS3, JavaScript, TypeScript
- Backend Development:
Node.js, NestJS, Express.js, Laravel, PHP, Firebase
- Databases & Cloud:
MySQL, PostgreSQL, MongoDB, Firebase, DynamoDB, AWS Lambda, API Gateway
- Real-Time & Integrations:
Socket.IO, WebSockets, Firebase Realtime Database, Twilio, REST APIs
- Payments & Services:
Stripe, PayPal, Razorpay, Braintree, Google Maps, Apple MapKit, GPS Tracking
? AI & Low-Code Development:
I also specialize in AI integrations and rapid product development using modern low-code/no-code platforms. I build intelligent applications using OpenAI APIs, GPT models, Claude AI, chatbots, automation workflows, Bubble, FlutterFlow, and Webflow.
Whether you need an MVP, a complete SaaS platform, a mobile application, or AI-powered automation, I can help turn your vision into a production-ready solution.
Michael
Experience
Professional experience5 - 10 years
Freelancer since2018
Languages
EnglishNative speakerSpanishFluent
Project history
Key Responsibilities:
- Designed and developed cross-platform mobile applications using Flutter and React Native for iOS and Android platforms.
- Built scalable full-stack SaaS applications with modern frontend and backend architectures.
- Developed backend services using Node.js, NestJS, Express.js, Firebase, and Supabase.
- Integrated OpenAI APIs and AI-powered features including intelligent assistants, recommendation systems, automation workflows, and conversational interfaces.
- Architected mobile applications with clean code practices, reusable components, and scalable state management.
- Implemented authentication systems using Firebase Authentication, OAuth, JWT, and custom user management solutions
- Built subscription-based applications with in-app purchases and recurring payment systems.
- Collaborated with UI/UX designers using Figma to convert designs into high-quality production applications.
- Improved application performance through optimization of API calls, database queries, caching strategies, and mobile rendering.
- Mentored junior developers and participated in code reviews, architecture discussions, and technical planning.
Key Projects:
- AI-Powered Wellness & Fitness Application
- SaaS Business Management Platform
- Real-Time Marketplace Application
Flutter, Dart, React Native, Swift, Kotlin, React.js, Next.js, TypeScript, Node.js, NestJS, Firebase, Supabase, PostgreSQL, MongoDB, OpenAI API, REST APIs, WebSockets, Stripe, AWS, Git
- Developed high-quality iOS and Android applications for startups and enterprise clients.
- Developed cross-platform applications using React Native and Flutter.
- Created reusable mobile components and application architectures for faster product development.
- Integrated RESTful APIs and third-party services into mobile applications.
- Developed backend APIs using Node.js, Express.js, and PHP/Laravel.
- Integrated payment solutions including Stripe, PayPal, and Braintree.
- Worked with GPS, Google Maps, Apple MapKit, and location-based services.
- Collaborated directly with clients to gather requirements, estimate projects, and deliver MVP solutions.
- Participated in agile development processes including sprint planning, standups, and release management.
- Food Delivery Platform
- Healthcare Appointment Application
- E-Commerce Marketplace App
Swift, Kotlin, Java, React Native, Flutter, Dart, React.js, Angular, Node.js, Laravel, PHP, Firebase, MongoDB, MySQL, REST APIs, Stripe, AWS, GitHub
Certificates
Mobile App Developer | Mobile App Development
Udemy2023