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āāāāā š§š¢š£-š„šš§šš š£ššØš¦ šØš§ šš©š°šØš«š¤
āāāāā ššš«šš¢šš¢šš šššÆšš¬šš«š¢š©š šššÆšš„šØš©šš«
āāāāā š+ šššš«š¬ šØš šš±š©šš«š¢šš§šš
āāāāā šššš+ ššØš®š«š¬ ššØš«š¤šš
āāāāā $šššš+ ššš«š§š¢š§š šØš§ šš©š°šØš«š¤
šāāļø šš² ššØš«š¤š¢š§š šš«šØššš¬š¬:
š Listen to your needs
š Prepare Flow chart
š Provide suggestions
š Divide work in phases
š Prepare Sketch/Wireframe
š Designing Frontend
š Developing Backend
š Quality Assurance
š Get Feedback
š Unlimited Revision
š Lifetime Support
š 100% Satisfaction
šāāļø šš§šš®š¬šš«š¢šš¬ š'š¦ šš«šØšš¢šš¢šš§š š¢š§:
ā
Online Food Delivery App
ā
Healthcare
ā
Financial App
ā
Educational Portal
ā
Multivendor E-commerce Store
ā
ERP and CRM System
ā
Saas Product
ā
Real Estate
ā
Tour & Travel
ā
Recruitment Agency
šāāļø šš² ššØš«š šš¤š¢š„š„š¬ šš§š šš±š©šš«šš¢š¬š:
š šš² šššš¤šš§š šš¤š¢š„š„š¬:
š Node.js - JavaScript runtime for backend
š Express.js - Web app framework for Node
š Nest.js - Framework for Node with TypeScript
š Next.js - Framework for universal React apps
š šš² š
š«šØš§ššš§š šš¤š¢š„š„š¬:
š React - Library for building UIs
š TypeScript - Typed superset of JavaScript
š ššššššš¬šš¬:
š MongoDB - NoSQL database
š PostgreSQL - Object-relational SQL database
š MySQL - Object-relational SQL database
š šš šš¢šš«šš«š¢šš¬:
š Tailwind CSS - Utility-first CSS framework
š Material UI - React components library
š Ant Design - React components library
š Chakra UI - Modular React UI components
š ššššš ššš§šš šš¦šš§š šš§š šš®šš”šš§šš¢šššš¢šØš§:
š Redux/Redux-Thunk - Centralized state management
š React Context API - Internal state management
š NgRx - State management for Angular
š Auth0 - Authentication as a service
š š
šØš«š¦š¬ šš§š ššš„š¢šššš¢šØš§:
š React Hook Form - Forms library
š Formik - Forms library
š Yup - Form validation
š šššš„-šš¢š¦š ššØš¦š¦š®š§š¢šššš¢šØš§ šš§š ššš¬š¬šš š¢š§š :
š GraphQL - Query language for APIs
š Socket.io - Realtime communication
š MQTT - Lightweight messaging protocol
š šššš šš«š¢šš¬ šš§š šš¢š¬š®šš„š¢š³ššš¢šØš§:
š Ag-Grid - Data grid component
š Chart.js - Charting library
š ApexCharts - Charting library
š šššš ššš§šš„š¢š§š šš§š ššššššš¬šš¬:
š TypeORM - ORM for SQL/NoSQL databases
š Redis - In-memory data store
š ššš¬š¢š š§ ššØšØš„š¬:
š Figma - Prototyping tool
š Adobe XD - Prototyping tool
š š
š¢š«šššš¬š:
š Firebase Firestore
š Firebase Realtime Database
š Firebase Cloud Storage
š Firebase Cloud Functions
š Firebase Authentication
š Firebase App Check
š Firebase Hosting
š ššš ššš«šÆš¢ššš¬:
š AWS S3
š AWS SES
š AWS SNS
š AWS Amplify
š AWS EC2
š AWS RDS
š AWS Lambda Functions
š Google Cloud
š šššÆšš§ššš šš¤š¢š„š„š¬:
š PWA Support (Service Worker)
š i18n (Localization / Multi-Language Support)
š Real-time Update Capabilities
š Two-Factor Authentication (2FA)
š Role-Based Access Control (RBAC)
š šš² ššš¬šš¢š§š šš«šØššš¬š¬:
š Functional testing
š Integration testing
š Regression testing
š User acceptance testing (UAT)
š Usability testing
š Unit testing with Karma and Jasmine
š E2E testing with Cypress
š ššØšš¢š„š šš©š©š„š¢šššš¢šØš§ šššÆšš„šØš©š¦šš§š
š Android App
š IOS App
š Backend Development
šāāļø šš”š² šš”šØšØš¬š šš?
- known for delivering high-quality results efficiently without compromising on precision.
- thrive in collaborative environments contributing positively to team dynamics and project success.
- possess excellent communication skills to facilitate seamless collaboration and understanding within the team.
I am available to work 40+ hours/week. Would you be available for a quick chat or call?
With Regards
Rushin
Rushin G.
has worked
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$25/hr
100%
Job Success
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I am a full-stack developer and architect with more than 10 years of experience in the IT industry.
I'm an expert in web and mobile development using JavaScript (ES5, ES6), TypeScript, Angular, React Native, Node, React, Ionic Framework, Polymer, Express, Firebase Services, MySQL, HTML5, and CSS3.
I'm proficient in integrating diverse third-party REST services into the application and adept at quickly mastering new technologies.
I have a good command of Node.js and have always delivered high coding standards based on OOPS concepts, experienced with testing frameworks like Mocha and Chai. In Node.js, I have experience in async programming, socketing, Express.js, Nest.js, and LoopBack.
In mobile application development, I am an expert in React Native, Ionic, and Flutter, with expertise in integrating third-party APIs, hardware, and plugins.
Meanwhile, I have developed such an Ionic application and done more research on Angular, and I actively contribute to the Angular component-based structure and seek to distribute my components on marketplaces.
I specialize in real-time applications such as SignalR, Web Socket, and Service Worker implementations.
Additionally, I am also familiar with Git, Gulp, Grunt, Browserify, Yeoman, Bower, Polymer CLI, Angular CLI, Ionic CLI, Heroku CLI, React CLI, and more...
In the realm of progressive web applications (PWAs) and single-page applications (SPAs), I have conducted significant research on different technologies to understand their limitations and advantages.
In socket-based programming, I have worked on Firebase auth, storage, and database with Firebase functions, along with socket-based development using the Twitter Streaming API.
I have also worked with various libraries, including...
Firebase integration
Stripe payment integrations (with Apple Pay, Google Pay, Ali Pay, etc.)
DialogFlow integrations
Chrome extension
Algolia search and Elastic search
PouchDB and CouchDB syncing, Supabase
SailsJS, NestJS
Chrome plugin development
Tailwind CSS
Phantom.js, Nightmare.js, and Casper.js, web scraping libraries
Sanjay R.
has worked
.
$15/hr
100%
Job Success
$30K+ earned
Available now
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I help startups build and launch high-performance mobile apps in 4ā8 weeks using Flutter.
From MVP to scalable production apps, I focus on speed, stability, and real business outcomes.
I specialize in building Flutter mobile apps with scalable backend systems for startups and growing businesses.
š Over the past few years, I have:
⢠Built 20+ mobile apps (iOS + Android)
⢠Helped startups launch MVPs in under 6 weeks
⢠Improved app performance by 30ā50%
⢠Delivered apps supporting 10K+ users
š What I Can Help You With
⢠Flutter app development (iOS + Android)
⢠MVP development (fast launch, scalable base)
⢠API integration & backend (Node.js / .NET)
⢠Real-time features (chat, notifications)
⢠Payment integration (Stripe, Razorpay)
⢠App performance optimization
š” Why Clients Hire Me
⢠I focus on launching products fast, not just writing code
⢠Clean architecture ā easy to scale later
⢠Strong communication ā no confusion, no delays
š¤ Send me your idea, and I will help you turn it into a working app.
Dhaval J.
has worked
.
Associated with
Paroksya
$90K+
earned
$20/hr
100%
Job Success
$200K+ earned
Offers consultations
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ā
13 Years Professional Experience ā
40+ Mobile Apps ā
Top Rated Plus Developer
Hey there! š I'm Sherwin, an expert Engineer with 13+ years of experience at big tech companies. I'm experienced leading, designing and implementing core mobile features in fast-paced, technology-driven environments with worldwide impact and multiple stakeholders. I am fluent in English and have experience working with scalable and testable code, REST APIs, multiple design patterns, CI/CD pipelines and version control.
š Worked in the multinational company MicroStrategy, Developed apps with over 100 million daily users such as DiDi and Kuaishou before.
š Expertise in Technologies:
o Native Development: Swift, SwiftUI, Objective-C, Kotlin, Java, Jetpack Compose, HarmonyOS
o Cross-Platform Frameworks: React Native , Flutter
o DataBase: Realm, CoreData, Firebase FireStore, Firebase Realtime Database, Supabase, RoomDatabase
o Web: Flutter Web
o Deploy: AWS S3, Lamda, CloudFront, EC2, OpenShot
o Server Development: Python, TS
ā
My experience domains:
o AI Agent
o Bluetooth / Smart Watch / Camera Domain
o Fitness / Health Domain
o OpenAI / Assistance / Whisper
o Location Tracking / Travel
o Social Media/Dating Domain/Video/Audio chats
o Video/Audio player processing application
o Financial / Shopping Domain
o Payment / In App Purchase / Apple Pay / Stripe
I'm excited to bring my experience and skills to new projects and deliver high-quality work on time and within budget. Let's make great apps together!
Regards,
Shaolin
Shaolin Z.
has worked
.
$20/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
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š Top Rated Mobile App Developer | Mobile App Development | Android App Development | iOS Development | iPad App Development | Flutter Developer | React Native Developer | Swift | Kotlin | AI App Development | š+ šššš«š¬ šØš šš±š©šš«š¢šš§šš | ššš% ššØš šš®šššš¬š¬ | 9šK+ ššØš®š«š¬ | ššš+ šš«šØš£šššš¬ ššØš¦š©š„šššš | $šššš+ ššš«š§šš
Helping startups, entrepreneurs, and businesses build scalable, high-performance mobile applications with startup-friendly budgets. Our expertise includes Mobile App Development, AI App Development, Android App Development, iOS App Development, Flutter Development, React Native Development, Cross-Platform App Development, Full-Stack Development, Hybrid App Development, Native App Development, and MVP Development.
I specialize in Flutter, React Native, Android, iOS, Kotlin, Swift, and SwiftUI, building secure, scalable, and production-ready applications with clean UI/UX, robust architecture, and optimized performance for Android, iPhone, and iPad platforms.
I provide end-to-end services, from product planning and UI/UX implementation to development, testing, deployment, and ongoing maintenance. My expertise includes User Authentication, User Profile Creation, In-App Purchases, Payment Gateway Integration, API Integration, Firebase Integration, Mobile App Bug Fixes, App Deployment, Mobile App Development Consultation, and full lifecycle application support.
šššš”š§šØš„šØš š² ššššš¤ & šš±š©šš«šš¢š¬š
āļø Mobile App Development: Flutter, React Native, Expo, Dart, Kotlin, Swift, SwiftUI, Android App Development, iOS App Development, Cross-Platform App Development
āļø AI Mobile App Development: OpenAI API, ChatGPT Integration, AI Chatbots, AI Agents, AI Model Integration, Generative AI Applications
āļø Backend & API Integration: Node.js, FastAPI, Flask, REST APIs, GraphQL, Third-Party API Integration
āļø Database & Cloud: Firebase, Cloud Firestore, SQLite, MySQL, MongoDB, Firebase Cloud Functions, AWS, Google Cloud Platform (GCP)
āļø Mobile App Features: User Authentication, Push Notifications, In-App Purchases, Stripe Integration, Google Maps API, Real-Time Chat, Social Media Integration, Analytics, Crash Reporting
šš§šš®š¬šš«š¢šš¬ & šš©š©š„š¢šššš¢šØš§š¬
I have worked on a wide range of applications including:
⢠Dating App Development
⢠E-commerce App Development
⢠Marketplace App Development
⢠Doctor Booking App Development
⢠On-Demand Apps
⢠FinTech Apps
⢠Health & Fitness Apps
⢠Social Networking Apps
⢠SaaS Mobile Apps
⢠Food Delivery Platforms
⢠Taxi Booking App Developer
⢠AI-Based Mobile Applications
⢠Chat & Messaging Applications
šš”šš ššØš® ššš ššØš«š¤š¢š§š šš¢šš” šš
ā 6+ years of real-world mobile app development experience
ā Clean, scalable, production-ready code
ā Fast communication and reliable delivery
ā Strong focus on business goals and user experience
ā End-to-end support from idea to launch
ā Long-term support for updates and scaling
ā Clear development process with regular progress updates
š© ššš§š š¦š š²šØš®š« šš©š© š¢ššš, feature list, or project requirements, and Iāll help you create a clear development roadmap, timeline, and strategy for launching your application successfully.
Muhammad Shahzaib
šš¢š š”š„š¢š š”ššš šš¤š¢š„š„š¬:
Mobile App Development | Mobile App Developer | Flutter Developer | React Native Developer | Android App Development | iOS App Development | Cross-Platform App Development | Hybrid App Development | AI Mobile App Development | Full Stack Mobile App Developer | Flutter App Development | React Native App Development | Firebase Integration | Firebase Cloud Firestore | API Integration | REST API Integration | OpenAI API Integration | ChatGPT Integration | MVP Development | Startup MVP Development | Custom Mobile App Development | Mobile UI/UX | App Performance Optimization | App Deployment | User Authentication | Push Notifications | In-App Purchases | Payment Gateway Integration | Stripe Integration | Google Maps API Integration | Real-Time App Development | Marketplace App Development | E-commerce App Development | FinTech App Development | Healthcare App Development | Food Delivery App Development | Dating App Development | Booking App Development | Taxi App Development | SaaS Mobile App Development | On-Demand App Development | Education App Development | Community App Development | Startup App Development | Kotlin | Swift | Dart | Flutter Firebase
Muhammad S.
has worked
.
$30/hr
100%
Job Success
$100K+ earned
Offers consultations
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I'm an experienced mobile app developer/software engineer who has built numerous apps for startups and companies.
I currently work as an SDK developer for an auth/billing company where I work on libraries for Flutter (Dart), Android (Kotlin), iOS (Swift) and React-Native (TypeScript).
I can help you built stable and secure apps and developer tools.
Victor E.
has worked
.
$35/hr
100%
Job Success
$400K+ earned
Available now
Offers consultations
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š Welcome to my Upwork profile! I'm Kapoor Pankaj, a dedicated and versatile developer with a passion for crafting exceptional digital experiences. With a strong background in both AI and mobile/web development, I bring a unique blend of technical expertise and creative flair to every project I undertake.
š Skills That Drive Results:
š¤ AI: ChatGPT-4, creating intelligent and interactive solutions.
š± Mobile: Proficient in Native iOS (Swift, SwiftUI) and Native Android (Kotlin), Flutter, and React Native.
š» Web: Skilled in React, Angular, Python (Django), and Laravel for user-friendly web interfaces with responsive designs.
šØ Design: Adept at UI/UX design with a keen eye for aesthetics, using tools like Figma.
š Data: Experienced data analyst, translating raw information into actionable insights.
āļø Cloud: Proficiency in AWS, Google Cloud, and Firebase for scalable and secure solutions.
Our first call?
Expect an in-depth Zoom discussion about your project, followed by a comprehensive plan based on your needs. If we're a good fit, let's move forward. If not, I can provide advice and referrals to ensure your project's success.
š Workflow:
šØ Understanding Your Vision: I start by closely collaborating with you to understand your project's goals and requirements.
š Design and Planning: Using my UI/UX expertise, I create design concepts that align with your vision and user expectations.
š» Development: Leveraging the latest technologies, I bring designs to life with clean, efficient, and high-quality code.
š§Ŗ Testing and Refinement: Rigorous testing ensures the functionality and performance of the application, followed by iterative refinements.
š£ļø Feedback and Collaboration: Transparent communication ensures that you're involved at every stage, and your feedback shapes the project.
š Final Delivery: I deliver the finished product that meets your expectations and aligns with industry best practices.
Specialize in:
š Dating app
š Custom ERP app
š± Social media app
š„ Staff management app
ā±ļø Time Tracking app
šµ Music app
š¹ Video Streaming app
š
Calendars app
š Grocery delivery app
š¢ Custom app for companies' internal use
š¬ Chatting app
š· Image Identification app
š
Booking services
š±š Phone lock app
šØāš©āš§āš¦ Parent control app
š Educational app
š§āāļø Health and meditation app
š Appointment scheduling apps for service providers
Tech-Stack We Use:
š± Mobile Development:
Android (Kotlin, Java, Flutter)
iOS (Swift, Objective-C, Flutter, SwiftUI, UIKit)
š Website Development:
WordPress, Laravel, Vue.js, Angular, Python-Django, MERN Stack, React.js.
š» Back-end Development:
Laravel, Python, React.js, Firebase
š Database:
MongoDB, MySQL, PostgreSQL, Firestore, Firebase Realtime Database, SQLite, RoomDB
š¤ Collaboration and Client Satisfaction:
Client satisfaction is at the heart of everything I do. I believe in transparent communication, regular updates, and an iterative approach to development that keeps my clients in the loop and ensures their vision is brought to life.
š Let's Create Something Amazing:
Whether you need a cutting-edge AI-powered application, a sleek mobile app, a responsive website, or data-driven insights, I'm here to collaborate with you. Let's work together to transform your ideas into reality.
Complexities simplified to ensure a smooth process while you focus on your business.
Pricing:
The cost varies based on project requirements. Message me directly for a free custom estimate.
Turn your vision into a reality with me. Invite me now for high-quality mobile and web application development!
Kapoor P.
has worked
.
$18/hr
94%
Job Success
$50K+ earned
Offers consultations
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āļø š+ šššš«š¬ of Experience in ššØšš¢š„š & ššš Development
āļø šš+ $ šš®š§šš¢š§š raised by clients
āļø šš+ šš©š© ššØš°š§š„šØššš¬ | šš+ š©š®šš„š¢š¬š”šš šš©š©š¬
āļø ššØšØš¬ššš šš«šØšš®ššš¢šÆš¢šš² šš² šš% using AI Tools like GitHub Copilot & Cursor
šØĀ šš®š„šš¢š©š„š ššš¬š¢š š§ šššš«ššš¢šØš§š¬ Until 100% Satisfaction GuaranteedāØ
ā”Ā š šš¼ššæ š„š²šš½š¼š»šš² š§š¶šŗš² | Available šš“ šš¼ššæš/šš®š
ššš§š¤šš šš¦šØš§š š ššØš© š% ššØšš¢š„š šššÆšš„šØš©šš«š¬ šØš§ šš©š°šØš«š¤
I help startups and businesses build šššš¬, prototypes, and full-scale apps šš š
šš¬ššš« saving 50%+ in time and cost while delivering šš§šÆšš¬ššØš«-ššššš², šššš„ššš„š ššØš„š®šš¢šØš§š¬.
š§ šššš”š§š¢ššš„ šš±š©šš«šš¢š¬š:
------------------------------
š¹ Frameworks: Flutter, FlutterFlow, Dart, React Native
š¹ Mobile Platforms: Android, iOS, Native SDKs
š¹ AI/ML & Deep Learning: Python, NumPy, Pandas, Scikit-learn, TensorFlow, PyTorch, Computer Vision
š¹ AI Integration: OpenAI (GPT), LangChain, Dialogflow, ElevenLabs, Deepgram
š¹ Backend & DB: Firebase, Supabase, Node.js, PHP, Strapi, MongoDB, MySQL, SQLite
š¹ API Integration: REST, GraphQL, JSON, XML
š¹ Payments: Stripe, Razorpay, Braintree, PayPal
š¹ Real-Time Features: Chat, WebSocket, Push Notifications, In-App Purchases
š¹ Cloud & DevOps: AWS, Azure, Google Cloud, GitHub/GitLab/Bitbucket
š¹ Multimedia & Sensors: Live Streaming, GPS, QR/NFC, iBeacon, Audio/Video
š šš”ššØš¦š§š„ššš¦ š¦šš„š©šš:
------------------------------
šļø ššššš¢š„ & šššØš¦š¦šš«šš | š„ šššš„šš”ššš«š | š° š
š¢š§šššš”
š” šššš„ šš¬šššš (ššš/ššš) | š ššš®šššš¢šØš§ | š ššØš š¢š¬šš¢šš¬ & šš«šš§š¬š©šØš«š
š ššš§š®ššššš®š«š¢š§š | šØ šš«ššÆšš„ & ššØš¬š©š¢ššš„š¢šš² | ā½ šš©šØš«šš¬ & šš®š¬š¢š§šš¬š¬ šš©š©š¬
-----------------------------------------------
š Why Clients Love Working With Me:
-----------------------------------------------
⦠Daily updates + fast communication
⦠Clean, scalable code & modern UX
⦠Strong mobile + web architecture
⦠On-time delivery & post-launch support free
⦠Flexible with timezone & project scope
Letās build something great ā message me with your idea, and Iāll help bring it to life.
Yash V.
has worked
.
$40/hr
100%
Job Success
Available now
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- Rust, Tauri, Desktop App
- Langchain, Langgraph, Langsmith, OpenAI, Pinecone, Claude, AI Agent orchestration, Chatbot, Multi agents, RAG pipeline
- Stripe, Outseta
- Next.js, PayloadCMS, Vue3, Python, Node.js, Astryx, Shadcn, TailwindCSS
- Supabase, Firebase
Eduardo N.
has worked
.
$20/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
Senior Full-Stack Developer | React, Next.js, React Native | AI & SaaS Expert
I help startups and founders build scalable web and mobile products that are secure, maintainable, and ready for real-world growth.
With 10+ years of experience, I specialize in taking products from idea to production. I have delivered SaaS platforms, AI-powered applications, healthcare systems, fintech products, and enterprise solutions used by thousands of users worldwide.
What I Bring to Your Project
Full-Stack Expertise: End-to-end development from frontend (React, Next.js) to backend (Node.js, AWS) and mobile (React Native).
AI Integration: Building AI agents, RAG systems, and automation workflows using OpenAI, Claude, and Base44.
Scalable Architecture: Clean code, reliable delivery, and long-term technical ownership.
Industry Experience: Healthcare, FinTech, Marketplaces, Delivery, Gaming, and Social Platforms.
Core Tech Stack
Frontend:
React.js, Next.js, Vue.js, Angular, TypeScript, Tailwind CSS
Mobile:
React Native, Expo, iOS & Android Deployment
Backend:
Node.js, Express, Firebase, Supabase, PostgreSQL, MongoDB, AWS
Payments & APIs:
Stripe, RevenueCat, GraphQL, REST APIs, Webhooks
Selected Projects
TradeBulls: Trading platform supporting equities, derivatives, and commodities.
Vuukle: Community platform serving millions of users globally.
Store To Door: Same-day delivery platform with driver and dispatch workflows.
iPass: Identity verification solution with OCR and liveness detection.
Why Clients Work With Me
- 10+ Years of Professional Experience
- Production-Ready, Maintainable Code
- Clear Communication & Reliable Delivery
- Comfortable Taking Ownership of Existing Codebases
- Long-Term Partnership Mindset
Whether you need an MVP, AI-powered SaaS platform, or an experienced engineer to improve an existing product, I can help deliver a scalable solution that supports your business goals.