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$20/hr
98%
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$500K+ earned
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I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries.
I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase.
I have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices.
✅ I Can Help You With:
- Mobile App Development with Web Admin Panel
- MVP Development & SaaS Application Development
- API Development & Third-Party Integrations
- Node.js / NestJS Backend for Mobile & Web Apps
- Laravel / PHP Backend Development
- Firebase Integration (Auth, Firestore, Cloud Functions)
- Payment Gateway Integration (Stripe, Razorpay, PayPal)
- Real-Time Chat, Notifications & WebSocket Integration
💡 Having Expertise In:
- AI-Powered Mobile Applications
- Real-Time Video Streaming Apps
- Live Streaming & Video Sharing Platforms
- E-Learning & EdTech Applications
- E-Commerce & Marketplace Apps
- On-Demand Service Apps (Taxi, Food, Delivery, Booking)
- Chat & Social Networking Apps
- SaaS & Subscription-Based Platforms
- Gamified Mobile Applications
- AR/VR Mobile App Development
- IoT & BLE-Based Mobile Applications
🎯Key Milestones:
🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%)
🚀 7000+ personal hours on Upwork and still counting
🚀 100000+ agency hours on Upwork and still counting
🚀 100% Job Success (Client Satisfaction Ratio)
🚀 500+ jobs completed successfully as an Agency
🎯 Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development
✅ Health and Fitness Apps
✅ GPS/ Geo Location Apps
✅ Trade Apps
✅ Homeowner/Contractor App
✅ Artificial Intelligence based Apps
✅ Bluetooth / BLE Integration Apps
✅ Food Delivery Apps
✅ Nutrition Planning Apps
✅ Restaurant Search Apps
✅ Salon Booking Apps
✅ Gym Booking Apps
✅ Taxi Apps
✅ AI Powered Apps
✅ E-commerce Apps
✅ Dating and TikTok Style Apps
✅ Video Streaming, Voice Calling, Chat and Messaging Apps
✅ Real Estate Apps
✅ Driver Instructor Finding Application
✅ Hotel and Travel Booking Apps
✅ E-Learning Mobile Application
✅ Wellness & Meditation Application
✅ NDI's Industry Applications
🎯 Areas of Expertise
◉ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack
◉ Cross-Platform App Development: Flutter (Dart), React Native
◉ Backend Development: Node JS, Nest JS, Laravel, PHP, Express
◉ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3
◉ API Development & Integrations: REST APIs, AWS Lambda, API Gateway
◉ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB
◉ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio
◉ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree
◉ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking
◉ Version Control & Collaboration: GitHub, Bitbucket, GitLab
I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality.
Additional Services that i am offering:
- 6 Months Free Maintenance once the apps goes live on apple store and Google play store
- Ownership/iP rights from the day one uploaded on the Client Github
- Regular Updates & Scrum meetings.
- Following Agile Scrum Methodology from day one
- Strictly adhering to the Apple Guidelines and Google Guidelines.
- Taking Complete responsibility of Deployment on both Apple store and Google Play store.
I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality.
I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems.
🔹 What I Do
- Full Stack Web & Mobile App Development
- No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow)
- AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation)
- SaaS Application Development (Subscription Models, Multi-Tenant Systems)
- API Integration (Payment gateways, third-party services)
- Dashboard & Admin Panel Development
- Workflow Automation (Zapier, Make, AI Automation Systems))
- UI/UX Design (Figma)
👉 Let’s start with a FREE 15–30 minute consultation to discuss your project and define the best approach.
Contact us today to discuss your project requirements.
Harish K.
has worked
.
Associated with
Paras Technologies
$3M+
earned
$25/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
Ship Production-Ready AI Systems, Mobile Apps & Automation Platforms
I'm an AI & Mobile App Developer who takes products from idea to production building intelligent AI systems, scalable mobile applications, and automation platforms that deliver real business results.
I don't build half-finished prototypes or demo projects. I build secure, maintainable, production-ready products that scale with your business and provide long-term value.
Whether you need an AI-powered SaaS platform, a Flutter mobile app, a custom AI agent, or an enterprise automation solution, I can take your product from concept to deployment.
𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:
🔹 OpenAI GPT-4o, Claude, Gemini, Llama, Mistral, Falcon, Gemma.
🔹 AI Agents, Multi-Agent Systems, CrewAI, AutoGen, LangChain, LangGraph.
🔹 OpenAI Assistants API, AI Copilots, Autonomous Workflows.
🔹 Business Process Automation, AI-Powered SaaS Platforms.
🔹 Conversational AI, Custom Chatbots, Intelligent Assistants.
𝗥𝗔𝗚 & 𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗦𝘆𝘀𝘁𝗲𝗺𝘀:
🔹 LangChain, LlamaIndex, Pinecone, Weaviate.
🔹 Qdrant, ChromaDB, FAISS, Milvus.
🔹 Enterprise Knowledge Bases & Semantic Search.
🔹 Document Intelligence, PDF Search & Retrieval Systems.
🔹 AI-Powered Internal Knowledge Platforms.
𝗩𝗼𝗶𝗰𝗲 𝗔𝗜 & 𝗦𝗽𝗲𝗲𝗰𝗵 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀:
🔹 Deepgram, OpenAI Whisper, ElevenLabs.
🔹 Amazon Polly, Azure AI Speech Services.
🔹 Real-Time Voice Assistants & AI Call Agents.
🔹 Speech-to-Text & Text-to-Speech Solutions.
🔹 Conversational Voice Applications & Automation.
𝗟𝗟𝗠 𝗙𝗶𝗻𝗲-𝗧𝘂𝗻𝗶𝗻𝗴 & 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻:
🔹 LoRA, QLoRA, PEFT, RLHF, DPO, SFT.
🔹 Hugging Face, Unsloth, Axolotl, SageMaker Training.
🔹 Quantization: AWQ, GPTQ, GGUF, GGML.
🔹 Model Optimization & Cost-Efficient Deployments.
𝗔𝗜 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲:
🔹 vLLM, TGI, TensorRT-LLM.
🔹 AWS SageMaker, RunPod, Google Cloud AI Platform.
🔹 Docker, Kubernetes, CI/CD Pipelines.
🔹 Scalable, Secure & Production-Ready AI Systems.
𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁:
🔹 Flutter, Dart, React Native.
🔹 Swift, SwiftUI, UIKit.
🔹 Kotlin, Jetpack Compose.
🔹 Cross-Platform & Native Mobile Applications.
🔹 AI-Powered Apps, FinTech, Healthcare & SaaS Solutions.
𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀:
🔹 React.js, Next.js, Vue.js, Nuxt.js.
🔹 TypeScript, Redux Toolkit, Tailwind CSS.
🔹 Progressive Web Apps (PWA) & Single Page Applications (SPA).
🔹 Responsive, Modern & High-Performance User Interfaces.
𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁:
🔹 Node.js, NestJS, Express.js.
🔹 Python, FastAPI, Django, Laravel.
🔹 REST APIs, GraphQL & Microservices Architecture.
🔹 Secure, Scalable & Enterprise-Grade Backend Systems.
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 & 𝗖𝗹𝗼𝘂𝗱:
🔹 PostgreSQL, MongoDB, MySQL.
🔹 Firebase, Supabase.
🔹 AWS, Google Cloud Platform (GCP), Microsoft Azure.
🔹 Cloud-Native & High-Availability Architectures.
𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗦𝘆𝘀𝘁𝗲𝗺𝘀:
🔹 Make (Integromat), Zapier, n8n.
🔹 CRM, Sales & Customer Support Automation.
🔹 AI Workflow Automation & Enterprise Process Optimization.
🔹 Business Intelligence & Operational Efficiency Solutions.
𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗕𝘂𝗶𝗹𝗱:
🔹 AI SaaS Platforms.
🔹 AI Agents & Business Copilots.
🔹 Mobile Apps (iOS, Android & Flutter).
🔹 AI Chatbots & Voice Assistants.
🔹 Healthcare & FinTech Applications.
🔹 Marketplace & Social Networking Platforms.
🔹 Booking, On-Demand & Delivery Apps.
🔹 Enterprise Automation Platforms.
🔹 Internal Dashboards & Admin Portals.
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲:
🔹 Production-Ready Development.
🔹 Scalable System Architecture.
🔹 Clean, Maintainable Code.
🔹 Fast & Transparent Communication.
🔹 Reliable Delivery Timelines.
🔹 End-to-End Product Development.
🔹 Long-Term Technical Partnership.
𝗥𝗲𝘀𝘂𝗹𝘁:
From startup MVPs to enterprise-scale platforms, I build intelligent products that drive growth, automate operations, and create measurable business impact.
Send an invite or message with your project details, and I'll provide honest, practical guidance on the best approach for your product.
Skill Tags:
AI Developer | AI Engineer | AI Agent Developer | LLM Engineer | OpenAI Developer | GPT-4 Developer | Claude AI | LangChain Developer | RAG Systems | AI Automation Expert | Voice AI Developer | Generative AI Engineer | Mobile App Developer | Flutter Developer | iOS Developer | Android Developer | Swift Developer | Kotlin Developer | React Native Developer | Full Stack Developer | SaaS Developer | Automation Engineer | Node.js Developer | NestJS Developer | Python Developer | FastAPI Developer | Mobile App Development | Artificial Intelligence | AI Development | Workflow Automation
Muazam A.
has worked
.
$20/hr
97%
Job Success
Available now
Offers consultations
Start of list.
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I've successfully launched 80+ applications across the iOS App Store and Google Play Store through strategic mobile app development.
But here's what matters more: I've helped multiple founders turn their ideas into investor-ready apps that secured real funding. I use test-driven mobile app development methodology with enterprise-grade architecture, so your app doesn't just work on day one. It scales as your business grows.
I manage everything in the project end-to-end. You’ll have a clear plan to launch. You get weekly progress builds for continuous feedback, and I respond to messages within hours, not days. No more chasing developers who went silent.
What I Specialise In:
• React Native App Development (TypeScript, Expo, native modules when needed)
• Flutter App Development (Dart, pixel-perfect UI, smooth animations)
• iOS Developer work (Swift / SwiftUI) for native features & performance
• Android (Kotlin) for platform-specific modules
• Firebase backend (Auth, Firestore, Cloud Functions, Push Notifications)
• Payments (Stripe), Maps, Chat, Real-time + Offline Sync
UI/UX Design – Clean, modern, and user-friendly interfaces
Why Choose Me?
- Tailored Approach: Every project is customised to fit your needs and budget.
- Agile Workflow: Regular updates, milestones, and transparent communication.
- High-Quality Development: Rigorous testing & performance optimisation.
- Competitive Pricing: Top-tier services at fair and transparent pricing.
- Proven Track Record: Experience with MVPs, SaaS platforms, AI-driven apps, and enterprise solutions.
Industries I Cover
Healthcare, Marketplace, Dating, Transport, Retail, Real Estate,Food Delivery, Rental, Fintech / Finance and Banking, Entertainment, Hospitality, Logistics, Manufacturing, Education, E-learning, Media and Publishing, Non-Profit, Sports and Fitness, Travel and Tourism, Utilities, Wellness, Medical Dashboard, Advertising, Automotive, Business Innovations, Ecology, Human Resources, LegalTech, Lifestyle, Fashion, Marketing, Navigation,
Whether you need Android development, iOS development, Flutter development, or cross-platform solutions with React Native, my mobile app development services deliver apps that look professional, function perfectly, and stay within your budget. No surprise costs. No endless revisions. Just a clear timeline and a finished product that's ready to make you money.
Let’s Connect and Create Something That Works.
Keywords:
React Native developer
React developer
Android app developer
iOS app developer
Cross-platform mobile developer
Mobile app development
AI mobile app developer
Artificial intelligence app development
Machine learning app integration
Firebase app developer
API integration
Hybrid app developer
AI solutions for mobile apps
AI app developer
Mobile App Developer
Senior Mobile App Developer
Mobile App Development
Dating App
React Native Mobile App Development
Education App Developer
Mobile App Developer
Saloon Booking Mobile App Development
Dating mobile app development
Food Delivery Mobile App Development
AI App Development
AI Mobile App Developer
Chat Mobile App Developer
Chat Buddy Mobile App Development
AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation)
Mukesh R.
has worked
.
Associated with
Dev Story
$15/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
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✋Hello, I am a Mobile App Developer specializing in building scalable, high-performance iOS and Android applications with modern UI/UX, clean architecture, and seamless user experiences. I help startups, businesses, and enterprises transform ideas into fully functional mobile products using Flutter, React Native, Swift, Kotlin, Firebase, and cloud-based technologies.
With strong experience in cross-platform and native mobile development, I develop mobile applications that are visually polished, technically reliable, and optimized for long-term scalability. My focus is not only on writing clean code, but also on creating intuitive user experiences that improve engagement, retention, and overall business growth.
I specialize in:
• Mobile App Development
• iOS App Development
• Android App Development
• Flutter Development
• React Native Development
• UI/UX Design for Mobile Apps
• SaaS and Startup MVP Development
• AI-Powered Mobile Applications
• Firebase & Cloud Integrations
• API Development & Third-Party Integrations
• Subscription & Payment Systems
• Real-Time Features & Notifications
I build a wide range of mobile applications including:
• Booking & Appointment Apps
• Marketplace Platforms
• AI Chat & Productivity Apps
• Healthcare & Telemedicine Apps
• Education & E-Learning Platforms
• Logistics & Transportation Apps
• Fitness & Wellness Applications
• Social Networking & Community Apps
• Ecommerce Mobile Apps
• On-Demand Service Platforms
My technical expertise includes Flutter, Dart, Swift, Kotlin, Java, React Native, Firebase, Node.js, REST APIs, GraphQL, Google Maps API, Stripe, PayPal, RevenueCat, OpenAI API, Push Notifications, Geolocation Systems, and cloud infrastructure solutions.
I have experience building mobile apps with:
• Authentication systems
• Subscription models
• Real-time chat and notifications
• Payment gateways
• GPS and route tracking
• AI integrations and automation
• Admin dashboards
• Scalable backend architecture
• Analytics and performance optimization
I strongly focus on performance, scalability, and user experience throughout the entire development lifecycle. Every application is developed with clean architecture, responsive design, optimized performance, and maintainable code standards to ensure future scalability and smooth deployment.
My development process includes:
• Product strategy and planning
• Wireframing and UI/UX optimization
• Agile mobile app development
• API and backend integrations
• QA testing and performance improvements
• App Store & Google Play deployment
• Ongoing maintenance and feature expansion
I value clear communication, realistic timelines, and long-term collaboration. Whether you need an MVP for a startup, a scalable SaaS platform, or a feature-rich enterprise application, I can help bring your vision to life with modern mobile technologies and user-focused development.
My goal is to build mobile applications that are not only technically strong, but also intuitive, scalable, and impactful for users and businesses alike.
Thanks,
Vikram
Vikram S.
has worked
.
Associated with
𝗭𝗼𝗽𝘁𝗮𝗹® Expert-Vetted Talent🏅
$1M+
earned
$35/hr
100%
Job Success
$300K+ earned
Available now
Offers consultations
Start of list.
End of list.
Senior React Native Developer. Top Rated Plus on Upwork. I ship production React Native apps that survive past the demo: real auth, real APIs, real testing, real ops.
I've spent thousands of hours building exactly that: React Native + Expo iOS/Android clients, Node and NestJS services, Python where the pipeline or AI piece belongs on the server, PostgreSQL / MongoDB / GraphQL data layers. Repeat clients, hire-again rate around 85%.
The work has spanned SaaS (including a Product Hunt Product of the Year workspace product), mobile at real scale (fitness and audio platforms with very large user bases), banking and healthcare-style flows, marketplaces, and open source. Production AI shipped where it earned its keep: video transcription, segmentation, async processing.
What I deliver:
- React Native + Expo mobile apps, iOS and Android, App Store and Play Store ready
- Full-stack ownership: React frontend, Node and NestJS backend, TypeScript end-to-end
- Python services when the AI or data pipeline lives on the server
- Production-ready apps with auth, APIs, testing, and ops
Tech stack: React Native, Expo, React, Next.js, Node.js, NestJS, TypeScript, Python, PostgreSQL, MongoDB, GraphQL.
Senior React Native Developer, React Native Developer, Mobile App Developer, React Developer, Full Stack Developer, iOS Developer, Android Developer, TypeScript Developer, Node.js Developer.
Alexander T.
has worked
.
Associated with
2MUCHCOFFEE LLC
$4M+
earned
$35/hr
96%
Job Success
$200K+ earned
Available now
Offers consultations
Start of list.
End of list.
🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆
✅ Mobile App Developer 7+ years of experience
✅ SaaS Mobile App Developer 5+ years
✅ 35 mobile app development jobs completed successfully
✅ Android and iOS Mobile Expert
✅ Built 27+ UX-first Mobile App development jobs for 22 companies
✅ On-Time and Cost-Effective Delivery
✅ Future-Proof Solutions Showing a Minimum 41% ROI
✅ 4354 mobile app development hours on Upwork and still counting
✅ 100% Job Success in mobile app development (Client Satisfaction Ratio)
✅ 98% of Clients Recommended working with me
✅ 80% Long-term Repeat Clients
✅ 7+ years of experience in mobile app development, 6 years experience in iOS mobile app development, 7 years experience in Swift and Kotlin, 4 years experience in Flutter, React Native, 2 years experience in KMM, KMP
Full stack mobile app developer and mobile app UI UX designer with 7+ years of experience in Mobile App Development, specializing in iOS, Swift, Android, Kotlin, KMM, Kotlin Mutliplatform / KMP, React Native, and Flutter. I have successfully delivered 120+ mobile applications in different roles as mobile app developer, flutter app developer, flutter full stack developer, flutter flow, mobile app design, mobile ui ux designer, swift ios developer, android developer, kotlin developer, react native developer, mobile game developer achieving a 5-star rating on Upwork and helping clients scale their businesses with high-performance solutions.
Apart from mobile app development, I specialize in Mobile App Design for both iOS and Android, as well as Web App Design for SaaS platforms. My expertise extends to Interaction Design, User Flow Design, and creating seamless User Experience (UX Design) and User Interface (UI Design).
I follow a Design Thinking approach, ensuring every solution is user-centered and problem-solving. My process includes UI/UX Wireframing, Prototyping, and building Style Guides or UI-kits for consistent branding. I perform Design Audits and Design QA to maintain high standards across all projects.
🛠️ Design Tools:
My designs come to life through powerful tools like Figma, Zeplin, and InVision for prototyping and collaboration. I leverage Adobe Illustrator, Adobe Photoshop, and Adobe XD for detailed visual design. For complex wireframes and flow mapping, I turn to Axure, Sketch, and Balsamiq.
I also use Miro and Abstract for brainstorming and version control, while project communication and management happen in Slack and Jira.
Our Expertise at a Glance
• Mobile App Development: Android, iOS, & Cross-Platform App Development using Java, Kotlin, Swift, Objective C, Flutter, and more.
• Website and Full Stack Development: Crafting seamless back-end experiences with .Net, Python, Java, Javascript, React.js, Angular.js, Node.js, MERN, MongoDB, PHP, etc.
• Logo & UI/UX Design: Bringing your ideas to life with Adobe XD, Photoshop, Sketch, Figma, etc.
• End-to-End Solutions: From logo design, UI/UX development, workflow setup, testing to deployment in app stores, we've got it all covered.
We do not use v0.dev lovable.app CursorAI, Cursor, Windsurf, Trae, GitHub Copilot, Tabnine, Qodo, Devin AI, and AutoDev for speed up coding, we know other methods to do it efficiently.
We offer a comprehensive range of development services across mobile, web, and cloud platforms. Our mobile app development expertise includes building Android and iOS applications using technologies such as Flutter, Swift, Objective-C, React Native, and Xamarin, optimized for both smartphones and tablets with a focus on cross-platform compatibility.
In website and full stack development, we work with .NET technologies, including full stack .NET development, .NET Core, and Python with Django. Our team is experienced in developing both backend systems and user-friendly, responsive web interfaces, as well as working with various CMS platforms.
Our DevOps and DevSecOps capabilities cover cloud infrastructure and automation, leveraging tools like AWS, Azure, Docker, Kubernetes, GitLab CI, Ansible, and Terraform to build secure and scalable deployment environments.
We also build cross-platform and web applications using frameworks like Three.js and design tools such as Webflow, creating visually engaging and functional user experiences across devices.
Additionally, we are well-versed in integration and automation tools, including WebSockets, data integration, the ABP Framework, Discord API, and Autotask, allowing us to create seamless connectivity and workflow automation between systems.
Talent
Good Knowledge, Talented, Experienced, Skilled, Strong Experience, Proven Experience, Agency, Team, Company, Specialist, Proven Track Record, Strong Background, Write Clean Code, Deep Expertise, Bring to Life, Cross-platform, Attention to Detail, Long Term.
⚡️ AVAILABLE FOR NEW PROJECTS
⚠️ Press Invite Button on my page and let's talk.
Roman P.
has worked
.
Associated with
Itexus LLC 💚
$1M+
earned
$22/hr
100%
Job Success
$60K+ earned
Start of list.
End of list.
I have 18+ years of professional experience in Mobile App Development. I have successfully executed numerous projects globally with different clients in various countries. As a Developer, I strongly appreciate optimum, clean, well-structured & communicative code.
I have extensive experience in following technology & Skills.
- Flutter / Dart
- Android / Kotlin
- Firebase / MySql / SQLite
- MobX / BLOC state management
- Google maps
- Google, Facebook, Email, Twitter, Github, Phone, Apple authentications
- Crashlytics, Google Analytics, Admob, Push notifications
- Custom widgets and complex animations
- In-App purchase, Stripe
- Figma, Sketch, Adobe XD resource extraction
- BDD, TDD
Thanks a million for viewing my profile.
Manish P.
has worked
.
Associated with
Concetto Labs
$200K+
earned
$80/hr
100%
Job Success
$200K+ earned
Available now
Start of list.
End of list.
Mobile App Developer and React Native Developer focused on building high-quality iOS and Android apps for startups and growing businesses.
I help founders and teams launch new mobile apps, improve existing products, fix performance issues, and ship features faster using React Native, Flutter, Swift, and native Android technologies.
If you’re hiring because you need certainty (not “hours”), here’s what you get:
✅ A clear build plan (milestones, scope, timeline, risks) before we start
✅ App Store-ready delivery (builds, signing, TestFlight, Play Console)
✅ Scalable code (TypeScript/Dart patterns, modular structure, maintainable UI)
𝗪𝗵𝗮𝘁 𝗜 𝗯𝘂𝗶𝗹𝗱 (𝗮𝗻𝗱 𝘄𝗵𝗮𝘁 𝗜’𝗺 𝘀𝗲𝗮𝗿𝗰𝗵𝗲𝗱 𝗳𝗼𝗿):
• React Native App Development (TypeScript, Expo, native modules when needed)
• Flutter App Development (Dart, pixel-perfect UI, smooth animations)
• iOS Developer work (Swift / SwiftUI) for native features & performance
• Android (Kotlin) for platform-specific modules
• Firebase backend (Auth, Firestore, Cloud Functions, Push Notifications)
• Payments (Stripe), Maps, Chat, Real-time + Offline Sync
𝗣𝗿𝗼𝗼𝗳 & 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆 𝘀𝘁𝘆𝗹𝗲:
• 100% JSS | $100K+ earned | 4000+ hours | 34+ projects
• Figma → working app with matching UI, responsiveness, and edge cases covered
• Regular updates + clean documentation so you’re never guessing progress
If you need a mobile developer who can take ownership and move fast without creating chaos, send me a message with your app details.
Adil H.
has worked
.
$20/hr
100%
Job Success
Start of list.
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I help startups and businesses build scalable, high-quality mobile apps for iOS and Android using Flutter, Swift, Kotlin, and modern backend technologies.
I’m a Top Rated Plus Full Stack App Developer with 10 years of experience building production-ready apps, MVPs, AI-powered features, and long-term scalable products.
From idea to launch, I handle the complete development process including mobile apps, backend APIs, web applications, cloud integration, deployment, performance optimization, and ongoing maintenance.
I focus on building stable, fast, and user-friendly applications that are ready for real users and business growth.
𝗠𝗼𝗯𝗶𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
• iOS: Swift, SwiftUI, Objective-C
• Android: Kotlin, Java
• Cross-Platform: Flutter, React Native
𝗪𝗲𝗯 & 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱
• Vue.js, React.js, Next.js
• Tailwind CSS, JavaScript, TypeScript
• Responsive UI development and dashboard systems
𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗖𝗹𝗼𝘂𝗱
• Laravel, PHP, Node.js, Firebase
• REST APIs, MySQL, PostgreSQL, MongoDB
• AWS, DigitalOcean, CI/CD, GitHub Actions
𝗔𝗜 & 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀
• OpenAI & Gemini API integration
• AI chatbots and AI-powered mobile apps
• Real-time chat and live features
• Voice, automation, and smart workflows
𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂 𝗪𝗶𝘁𝗵
✅ Full mobile app development
✅ MVP development for startups
✅ Flutter & React Native apps
✅ Native iOS & Android development
✅ Vue.js web applications and admin panels
✅ API integration and backend systems
✅ Firebase and push notifications
✅ Payment gateway integration
✅ Google Maps and location-based apps
✅ Bug fixing and app performance optimization
✅ App Store & Google Play publishing
✅ Long-term maintenance and scaling
I have experience building apps for startups, SaaS platforms, business tools, social networking, booking systems, chat applications, eCommerce, finance, health & wellness, and on-demand services.
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲
• Top Rated Plus freelancer on Upwork
• Clean, scalable, and maintainable code
• Strong communication and regular progress updates
• Focus on performance, stability, and user experience
• Reliable long-term development support
• Fast problem-solving and attention to detail
If you need a reliable developer who can build, improve, or scale your mobile or web application, feel free to invite me to your project or send a message.
Mobile App Development, iOS App Development, Android App Development, Flutter App Development, React Native Development, Cross-Platform App Development, Full Stack Development, AI App Development, AI Chatbot Integration, OpenAI API Integration, Gemini API Integration, Vue.js Development, Laravel Development, Node.js Development, MVP Development, SaaS Product Development, Firebase, REST API Integration, Web Application Development, Custom Software Development, App Store Deployment, Google Play Publishing.
Chandresh K.
has worked
.
$20/hr
96%
Job Success
Available now
Offers consultations
Start of list.
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𝗜 𝘀𝗵𝗶𝗽 𝗮𝗽𝗽𝘀 𝘁𝗵𝗮𝘁 𝗽𝗮𝘀𝘀 𝘀𝘁𝗼𝗿𝗲 𝗿𝗲𝘃𝗶𝗲𝘄 𝗮𝗻𝗱 𝘀𝗰𝗮𝗹𝗲 𝘁𝗼 𝗮 𝗺𝗶𝗹𝗹𝗶𝗼𝗻 𝘂𝘀𝗲𝗿𝘀, 𝗻𝗼𝘁 𝗼𝗻𝗰𝗲, 𝗯𝘂𝘁 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝘁𝗶𝗺𝗲𝘀.
Building something like that? Send me a message for a complimentary roadmap.
✦ Top Rated Mobile App Developer, 19 jobs, every single one rated 5/5 ⭐
✦ 200K+ downloads and $1M+ in revenue generated across client products
✦ 6+ Year experience as a Senior Mobile App Developer
✦ I work as your technical co-founder - not just a mobile app developer writing code
𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞?
✓ Resourceful, efficient, and client-focused approach.
✓ Complimentary consultation to understand your project requirements.
✓ Actionable insights and recommendations, even if we don't end up working together.
⚙️𝗪𝗵𝗮𝘁'𝘀 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:
✔ Cross-Platform Mobile App Development as Flutter & React native
✔ iOS Development with Swift for iPhone and iPad
✔ AI Mobile App Development & integrations (Claude/Chat GPT)
✔ Backend Development with Node.js, Python (Fast API & Django), AWS, Firebase, and Supabase
✔ Database: MongoDB, PostgreSQL,
✔ Proficient in API Integration with REST APIs and GraphQL for Mobile apps
✔ Tools & CI/CD: Git, GitHub, Jira, Trello
✔ Payments: Stripe, RevenueCat, In-App Purchases in your Flutter App
✔ AI app development with Claude Code And Cursor
✔ Maps & Location: Google Maps, Mapbox, Real-time GPS, Location services
𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝘀 𝗜'𝘃𝗲 𝗦𝗵𝗶𝗽𝗽𝗲𝗱
✅ HIPAA Complaint Mobile app iOS & Android
✅ Ride Booking Mobile App (like Uber)
✅ Food delivery Flutter App for iOS & Android
✅ Market Place Mobile Apps (iOS & Android)
✅ Social Media Mobile app
✅ Fintech Mobile App (iOS & Android)
✅ AI Fitness mobile app ( like CalAI )
✅ Sports mobile app for iOS & Android
✅ Language Learning Mobile App (Like Duolingo)
✅ Event management Mobile App Development (iOS & Android)
✅ Meal Planning Mobile App (iOS and Android)
✅ AI-Powered Mobile App Development with Flutter (iOS Android)
✅ Service Booking Mobile App (Home/HVAC)
✅ Inventory Management Mobile App for iOS & Android
✅ Meditation & Wellness Flutter App with iOS & Android
✅ Appointment Booking Mobile App
✅ Venue Booking Mobile App (iOS and Android)
✅ Task Management Mobile App
𝐊𝐞𝐲 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐈'𝐯𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝
• Face Recognition Integration
• Real-time Chat Systems (Socket io, PubNub)
• Image Cropping & Processing
• Bluetooth Device Connectivity
• Push Notifications (Firebase, AWS SNS, SMS)
• Maps Integration (Google Maps, Mapbox)
• Social Login Integration (Google, Apple, Facebook, Twitter, Instagram, LinkedIn)
• Video Calling SDK Integration
• Ad Integration (AdMob, Facebook Ads)
• Audio Recording Features
• QR & Barcode Scanners
• Payment Gateway Integration (Stripe, PayPal, Apple Pay, Razorpay)
➤ 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Includes up to 2 months of complimentary post-launch maintenance and support for complete project builds.
𝗥𝗘𝗔𝗗𝗬 𝗧𝗢 𝗕𝗨𝗜𝗟𝗗 𝗬𝗢𝗨𝗥 𝗔𝗣𝗣?
📩 Send me what you're building and your target launch window. I'll reply within 1–4 hours with a rough timeline and cost range.
Regards,
Mashood H
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Flutter Developer | Expert Mobile App Developer | Full Stack Mobile App Developer | Expert Flutter Developer | Senior Flutter Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developer | App Developer | Mobile App Development Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Mobile App Development | User Authentication | In App Purchases | API Integration | Hybrid App development
Mashood H.
has worked
.