As an AOSP (Android Open Source Project) engineer, I specialize in designing, customizing, and optimizing Android platform for various devices. My role involves working with the Android framework, HAL (Hardware Abstraction Layer), kernel, and system-level components to deliver tailored solutions for device manufacturers and developers. I am passionate about building robust and innovative systems that enhance user experiences and contribute to the Android ecosystem.
Embedded Linux
Firmware Programming
Reverse Engineering
Embedded C
Microcontroller Programming
Driver Development
Kernel
AOSP
PCB Design
Camera
Raja A.
Rawalpindi, Pakistan
$15/hr
4.9
653 jobs
๐๐๐ซ๐'๐ฌ ๐ญ๐ก๐ ๐๐๐๐ฅ: Share your idea, and weโll turn it into a functional, scalable, and beautifully designed app that solves real problems and generates revenue.
๐๐ผ๐ ๐ฌ๐ผ๐๐ฟ ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ ๐ผ๐๐ฒ๐ ๐๐ฟ๐ผ๐บ ๐๐ฑ๐ฒ๐ฎ ๐๐ผ ๐๐ถ๐๐ฒ ๐ฃ๐ฟ๐ผ๐ฑ๐๐ฐ๐:
Every project follows a clear, proven journey, divided into milestones:
UI/UX design โ Front-end development โ Backend development โ Deployment โ Post-launch maintenance (8 weeks FREE)
This ensures transparency, predictable delivery, and zero surprises.
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I offer a ๐ณ๐ฟ๐ฒ๐ฒ ๐ฏ๐ฌ-๐บ๐ถ๐ป๐๐๐ฒ ๐ฐ๐ผ๐ป๐๐๐น๐๐ฎ๐๐ถ๐ผ๐ป to discuss and refine your idea, recommend the right tech stack, and forecast any ongoing costs as your user base grows, so you avoid surprises and make informed decision with clarity.
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Words from a recent client after working with us: (check more on my profile below)
"๐๐๐๐ ๐๐จ ๐ซ๐๐ง๐ฎ ๐ฅ๐ง๐ค๐๐๐จ๐จ๐๐ค๐ฃ๐๐ก ๐๐ฃ๐ ๐๐จ ๐๐ก๐ฌ๐๐ฎ๐จ 10 ๐จ๐ฉ๐๐ฅ๐จ ๐๐๐๐๐ ๐ค๐ ๐ ๐ฃ๐ค๐ฌ๐๐ฃ๐ ๐ฌ๐๐๐ฉ ๐ฉ๐๐ ๐๐ช๐๐ก๐ ๐ฃ๐๐๐๐จ. ๐๐ ๐๐ง๐ ๐๐ค๐ฃ๐ฉ๐๐ฃ๐ช๐๐ฃ๐ ๐ฉ๐ค ๐ฌ๐ค๐ง๐ ๐ฉ๐ค๐๐๐ฉ๐๐๐ง ๐๐ฃ๐ ๐ ๐๐๐ซ๐ ๐๐ก๐ง๐๐๐๐ฎ ๐ง๐๐๐ค๐ข๐ข๐๐ฃ๐๐๐ ๐๐๐ข ๐ฉ๐ค ๐ค๐ฉ๐๐๐ง ๐๐ค๐ข๐ฅ๐๐ฃ๐๐๐จ."
โญโญโญโญโญ
- ๐ผ๐ก๐๐๐๐ ๐พ๐ค๐ฌ๐๐ฃ
๐๐ค๐ช๐ฃ๐๐๐ง ๐๐๐จ๐ข๐๐ง (๐๐ฃ๐๐ฉ๐๐ ๐๐๐ฃ๐๐๐ค๐ข)
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I've majored in software engineering, and I've used a myriad of technologies to help various businesses create mobile apps that have generated millions in revenue.
Over the past 5+ years, I have developed a wide range of iOS and Android mobile apps.
โ Food delivery app
โ Ride booking app (like Uber)
โ Real estate listing app (Like Airbnb)
โ Social media mobile app (like TikTok/Instagram)
โ Startups/Investment management mobile app
โ Wellness mobile app
โ Fitness and Nutrition mobile app (like CalAI, MyFitnessPal)
โ Sports mobile app
โ E-commerce mobile app
โ Language Learning Mobile App (Like Duolingo)
โ Event management mobile app
โ Grocery/Meal Planning mobile app
โ Freelance mobile app
โ Service Booking Mobile App (Home/HVAC)
โ Inventory Management Mobile App
โ Learning Management Mobile App
โ Appointment Booking Mobile App (Salon/Doctor)
โ Venue Booking Mobile App (Sports/Events)
โ Task Management Mobile App (Project Management/To-Do)
โ On-Demand Custom Mobile Apps
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As your ๐๐ฒ๐ฐ๐ต๐ป๐ถ๐ฐ๐ฎ๐น ๐ฝ๐ฎ๐ฟ๐๐ป๐ฒ๐ฟ, I go above and beyond to ensure your appโs success, from concept to launch.
What I Also Bring Beyond Development:
โ Technology & architecture consulting
โ Product roadmap & feature prioritization
โ Help you understand any possible ongoing costs with the project
โ Cost-effective tech stack selection with long-term cost planning
โ Scalability strategy as your user base grows
โ Technical support during investor or stakeholder discussions
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๐ ๐ฎ๐ถ๐ป๐๐ฒ๐ป๐ฎ๐ป๐ฐ๐ฒ & ๐๐ผ๐ป๐ด-๐ง๐ฒ๐ฟ๐บ ๐ฆ๐๐ฝ๐ฝ๐ผ๐ฟ๐
I provide free post-delivery support for 8 weeks, followed by flexible maintenance plans based on your product needs, usage scale, and future roadmap, always discussed transparently.
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๐ If youโre looking for someone who understands your product, owns outcomes, communicates clearly, and thinks long-term, letโs connect and build something solid.
โโ Check out my portfolio! โโ
Highlighted Skills:
Full Stack Developer | Expert Full Stack Developer | Full Stack Mobile App Developer | Full Stack AI Developer | Expert Full Stack Mobile App Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developerย |ย App Developer | Mobile App Development Consultation | IT Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Hybrid App development | Mobile App Development Consultation | Flutter | Firebase | Dart | Flutter Dart | Flutter Firebase | iOS Development | Android App Development | Smartphone | User Authentication | In App Purchases | API Integration
Mobile App Development
AI App Development
iOS Development
Hybrid App Development
Android App Development
Mobile App Design
Mobile App Development Consultation
Flutter
Firebase
AI Mobile App Development
Smartphone
UX & UI Design
iOS
Android
React Native
Jemin P.
Surat, India
$12/hr
5.0
3 jobs
Hi, I'm Jemin Padsala ๐
A successful mobile app is more than just great design.
It should be fast, secure, scalable, easy to use, and built for real users.
That's exactly what I help startups, businesses, founders, and entrepreneurs build with Flutter.
I'm a Flutter Developer with 5+ years of experience building modern mobile applications for Android, iOS, Web, and Desktop.
Using Flutter, I build high-quality apps from a single codebase. This helps businesses save time, reduce development costs, and launch faster.
I have helped startups and businesses turn their ideas into reliable, user-friendly mobile applications.
My goal is not just to build an app. I build products that solve real business problems, improve user experience, and support long-term growth.
Whether you need a new mobile app, an MVP, FlutterFlow development, AI integration, bug fixes, performance improvements, or long-term support, I'm here to help.
Why Clients Choose Me
Many developers focus on writing code.
I focus on building mobile applications that help businesses grow.
When you work with me, you get:
โ 5+ Years of Flutter Development Experience
โ 100% Job Success on Upwork
โ 5-Star Client Feedback
โ Clean, Scalable & Maintainable Code
โ Modern & User-Friendly UI
โ Fast, Stable & High-Performance Apps
โ Strong Clean Architecture
โ Business-Focused Solutions
โ Clear Communication
โ Regular Project Updates
โ On-Time Delivery
โ Long-Term Support & Maintenance
Before writing a single line of code, I think about your application's future so it stays easy to maintain, improve, and grow.
What Clients Hire Me For
โค Building Flutter Apps from Scratch
โค MVP Development
โค FlutterFlow Development
โค Improving Existing Flutter Apps
โค AI Integration
โค Firebase & Supabase Integration
โค REST API & GraphQL Integration
โค Performance Optimization
โค Bug Fixing
โค Long-Term Maintenance & Support
Services I Provide
โค Flutter App Development
โค Android App Development
โค iOS App Development
โค Cross-Platform Mobile App Development
โค Hybrid Mobile App Development
โค Flutter Web Development
โค Startup App Development
โค SaaS Application Development
โค AI Mobile Applications
โค AI Chatbot Integration
โค Payment Gateway Integratio
โค Push Notifications
โค Google Maps Integration
โค Real-Time Chat Applications
โค App Store & Play Store Deployment
โค App Maintenance & Support
Technical Expertise
Mobile Development
Flutter โข Dart โข FlutterFlow โข Android โข iOS โข Flutter Web โข Cross-Platform Development
Architecture
Clean Architecture โข MVVM โข BLoC โข Cubit โข Riverpod โข Provider โข GetX
Backend & APIs
Firebase โข Supabase โข REST APIs โข GraphQL โข WebSockets
AI Integration
OpenAI API โข ChatGPT โข Gemini โข AI Chatbots โข Speech-to-Text โข Text-to-Speech
Payments
Stripe โข Razorpay โข RevenueCat โข PayPal โข In-App Purchases
Maps & Location
Google Maps โข Mapbox โข Live Tracking โข Geolocation
Local Storage
Cloud Firestore โข SQLite โข Hive โข Isar โข SharedPreferences
UI / UX
Responsive UI โข Material Design โข Cupertino Design โข Custom UI โข Lottie Animations
Performance
Clean Code โข Performance Optimization โข Code Refactoring โข Lazy Loading โข Pagination โข Bug Fixing
Tools
Git โข CI/CD โข Codemagic โข Jira โข Trello โข Postman โข Figma
Industries I Work With
โ AI & Automation
โ SaaS
โ Healthcare
โ Fintech
โ E-commerce
โ Education
โ Food Delivery
โ Logistics
โ Travel
โ Real Estate
โ Fitness & Wellness
โ Social Networking
โ Manufacturing
โ Business Management
โ CRM Applications
โ On-Demand Services
My Work Process
1. Discovery
Understand your business, goals, users, and project requirements.
2. Planning
Create a clear roadmap, timeline, and scalable application architecture.
3. Development
Build a clean, secure, scalable, and high-performance Flutter application.
4. Testing
Test every feature carefully to make sure everything works smoothly.
5. Deployment
Publish your application on the Google Play Store and Apple App Store.
6. Support
Provide updates, maintenance, new features, and long-term support.
Client Feedback
โญโญโญโญโญ 5.0 Rating
"Jemin is a skilled Flutter Developer who delivered high-quality work and fixed all issues efficiently.Communication was excellent, and the project was completed on time. Highly recommended."
Client Endorsements
โ Reliable
โ Committed to Quality
โ Solution Oriented
โ Clear Communicator
Why Clients Come Back
โ Reliable Communication
โ High-Quality Work
โ Clean & Maintainable Code
โ On-Time Delivery
โ Long-Term Support
โ Focus on Business Success
Let's Build Your Next App
If you're looking for a Flutter Developer who can build a fast, secure, scalable, and user-friendly mobile application, I'd love to help.
Whether you need a new mobile app, FlutterFlow development, AI integration, bug fixing, performance optimization, or long-term support, I'm ready to work with you.
Send me a message, and let's discuss your project. I look forward to helping you build a high-quality Flutter application that supports your business goals.
Flutter
FlutterFlow
Mobile App Development
Mobile App Development Consultation
AI Mobile App Development
Flutter Stack
Dart
Hybrid App
Hybrid App Development
Native App
Native App Development
Android App
Android App Development
iOS Development
App Development
AI App Development
Firebase Cloud Firestore
Firebase
Firebase Realtime Database
Website to Mobile App Conversion
Hansong Z.
Chongqing, China
$20/hr
5.0
9 jobs
Full Stack Developer (7 Years) | Full-Time Freelancer
I provide one-stop software solutions for startups and businesses. Instead of hiring separate frontend and backend developers, I build your entire product from the ground upโfrom server architecture to cross-platform clients.
What I Deliver:
- End-to-End Lifecycle: Architectural design - Backend/API - Pixel-perfect UI - Market Release.
- Cross-Platform Expansion: Seamless apps for Android, iOS, Web, Desktop, and Wear OS with high performance.
- Scalable Backend Systems: Fast, reliable, and maintainable backend services powered by Rust or Kotlin for long-term product growth.
- IoT & Hardware Expertise: Advanced integration for Android-based IoT clients, including Kiosk Mode, Serial Port communication, etc.
- Fast Delivery: Skilled in leveraging AI agents to speed up development, reduce repetitive work, and quickly turn ideas into production-ready features.
Core Tech Stack:
- Frontend & Mobile: Kotlin Multiplatform, Compose Multiplatform
- Backend: Axum (Rust), Ktor (Kotlin)
I turn sketches into flawless, scalable apps. As a full-time freelancer, I guarantee fast, transparent communication and dedicated availability. Letโs build something great together.
Android App Development
iOS Development
App Development
Software Development
Desktop Application
Wear OS
Tablet
Kotlin
Swift
SwiftUI
Native App Development
Full-Stack Development
Back-End Development
Enterprise Software
Kiosk
Android Tablet
Android App
Docker
Ken O.
Ikeja, Nigeria
$5/hr
5.0
43 jobs
If you are building an AI app, SaaS product, or automation system that actually needs to work for real users, not just look good in a demo, you are in the right place
Most AI products donโt fail because of bad ideas
They fail because they are built fast without proper structure, and everything breaks when users start using it
That is where I come in
I help founders and businesses build AI powered MVPs and SaaS products that are stable, scalable, and ready for real world usage from day one
I am not just a developer
I design and build complete systems
From frontend experience to backend architecture to AI logic and automation, everything is built to work together without breaking
What I can help you build
AI SaaS applications using Lovable, Replit, Base44 and Supabase
MVPs for startups that need to launch fast without sacrificing quality
AI powered features using OpenAI and Claude
Automation systems using n8n, Make, APIs and webhooks
Dashboards, internal tools and business systems
Full stack web applications built for performance and scalability
What makes me different
I do not just โbuild featuresโ
I think in systems
That means I focus on how your product will handle real users, real data, and real growth
No patchwork builds
No disconnected tools
No systems that need to be rebuilt later
Everything is structured properly from the beginning so you can scale without problems
Who I work best with
Startup founders building AI products
SaaS businesses that need MVP development or system fixes
Business owners looking to automate operations with AI
Clients who want long term solutions, not quick fixes
If you are looking for the cheapest option, I am not the right fit
If you want a product that works, scales, and does not break when users come in, then we should talk
QUESTIONS CLIENTS ASK
Q: How fast can you build a Lovable app from scratch? A: Most builds go live in 3 to 7 days depending on scope. I scope clearly before we start.
Q: Can you fix or extend a Lovable app someone else built? A: Yes. I take over existing Lovable builds, fix broken functionality, and add new features.
Q: Do you connect Lovable to Shopify and Stripe? A: Yes. Lovable handles the frontend, Shopify handles products and checkout, Stripe handles payments through Shopify.
Q: Can you build an admin dashboard inside the Lovable app? A: Yes. I build custom admin panels so you can manage your app without touching code.
Q: What if I only have an idea and nothing built yet? A: That is the best starting point. Tell me what you want to build and I will scope it and give you a clear plan.
Q: Do you work with clients who have no technical background?
A: Yes. Most of my clients are founders and business owners, not developers. You bring the idea, I handle everything technical.
Q: Can you build a SaaS product with user login and subscriptions?
A: Yes. I build full authentication systems and connect Stripe subscriptions inside Lovable apps using Supabase.
Q: What happens if something breaks after delivery?
A: I do not disappear after delivery. I offer support and can fix issues that come up after launch.
Q: Can you build a multi-page app, not just a landing page?
A: Yes. I build full multi-page web applications with navigation, dashboards, user roles, and database logic.
Q: Do you use Lovable, Bolt, or Replit? Which one is best for my project?
A: I use all three depending on the project. I will recommend the right tool after understanding what you need.
Q: Can you integrate third-party tools like calendars, CRMs, or email systems?
A: Yes. I connect apps using APIs, webhooks, n8n, and Make to automate workflows inside your product.
Q: How do you handle projects that grow or change scope?
A: I work in phases. Each phase has a clear scope so changes are handled cleanly without breaking what is already built.
Q: Do you sign NDAs or work under confidentiality agreements?
A: Yes. I am open to NDAs for any project that requires confidentiality.
Q: Can you build a mobile-friendly version of the app?
A: Yes. Every Lovable app I build is fully responsive and works on both desktop and mobile without a separate build.
Q: What is the difference between what you do and hiring a traditional developer?
A: I deliver in days using AI-powered vibe coding tools. A traditional developer would take weeks for the same scope. Same quality, significantly faster.
Send me a message with what you are building and I will break down the best structure and next steps for you
Full-Stack Development
JavaScript
AI Development
AI App Development
Vibe
Web Application
AI Model Development
Generative AI Prompt
Web Development
Supabase
React Native
Replit
React
Next.js
AI Agent Development
Raghav G.
Chandigarh, India
$15/hr
5.0
8 jobs
๐ฅ๐ฒ๐ฎ๐ฐ๐ ๐ก๐ฎ๐๐ถ๐๐ฒ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ | ๐๐จ๐๐ข๐ ๐ก๐๐๐ฏ๐๐ฅ(๐๐๐) | ๐๐ ๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐ | ๐๐ ๐๐๐๐ผ๐บ๐ฎ๐๐ถ๐ผ๐ป | ๐ถ๐ข๐ฆ ยท ๐๐ป๐ฑ๐ฟ๐ผ๐ถ๐ฑ ยท ๐ช๐ฒ๐ฏ
I build mobile and web applications using React Native, delivering clean, stable, and scalable solutions. With 5+ years of experience, I have worked on projects across fintech, healthcare, e-commerce, SaaS, logistics, education, fitness, real estate, marketplaces, and more.
Beyond mobile development, I help businesses integrate AI into their products and automate business workflows using modern LLMs, AI agents, and automation platforms. I handle the full picture from React Native development and backend architecture to AI integrations, workflow automation, cloud deployment, and long-term maintenance so you don't have to coordinate between multiple developers.
Technology Stack:
React Native, JavaScript, TypeScript, React, Expo, React Native CLI, Android, iOS, React Native Web, Cross-platform Development, Responsive UI, Material Design, NativeBase, React Native Paper, Clean Architecture, MVVM, Redux Toolkit, Redux, Zustand, MobX, React Query, Context API
AI & Automation:
OpenAI (ChatGPT, GPT-4, GPT-5 APIs), Claude (Anthropic), Gemini, AI Agents, AI Chatbots, LLM Integration, Retrieval-Augmented Generation (RAG), MCP (Model Context Protocol), Prompt Engineering, Function Calling, AI Workflow Automation, Intelligent Document Processing, OCR, Speech-to-Text, Text-to-Speech, Conversational AI, Semantic Search, Recommendation Systems, Vector Databases, Pinecone, Weaviate, ChromaDB, LangChain, LangGraph, CrewAI, AutoGen, AI-powered Customer Support, AI Assistants
Automation Platforms:
GoHighLevel(GHL), n8n, Make (Integromat), Zapier, Vapi, Pipedream, Webhooks, API Automation, CRM Automation, Email Automation, Lead Generation Automation, Workflow Orchestration, Event-driven Automation
Backend & APIs:
Node.js, Python, FastAPI, Flask, Express.js, NestJS, REST APIs, GraphQL, WebSockets, Microservices
Databases:
Firebase, Firestore, Firebase Realtime Database, Supabase, MongoDB, PostgreSQL, MySQL, SQLite
Cloud & DevOps:
AWS, Google Cloud, Firebase Cloud Functions, Firebase Cloud Messaging (FCM), Docker, CI/CD, App Monitoring, Crash Reporting, GitHub Actions
Domain Experience:
AI & SaaS Applications, Fintech Platforms, Healthcare Solutions, Food Delivery Apps, Marketplace Platforms, E-commerce Stores, CRM Systems, Dating Apps, Social Networking Apps, Taxi & Ride Booking Apps, Service Marketplace Apps, Education Platforms, Fitness Apps, Real Estate Solutions, Enterprise Applications
Capabilities:
React Native mobile app development, Cross-platform application development, Expo development, AI-powered applications, AI Automation, AI Agent Development, Workflow Automation, Backend development, API integration, Firebase development, Supabase development, Payment Gateway Integration, Real-time Chat, Voice & Video Calling, Google Maps Integration, Live Tracking, Authentication Systems, Push Notifications, In-App Purchases, Performance Optimization, Bug Fixing, App Store Deployment, Google Play Deployment, Long-term Maintenance
Why Clients Choose Me:
I build clean, scalable, and production-ready applications with a strong focus on performance, security, and maintainability. Whether it's a React Native application, an AI-powered product, or an automated business workflow, I focus on delivering solutions that are reliable, efficient, and built for long-term growth.
I communicate clearly, deliver on time, and understand both the technical and business side of every project.
Whether you need a new MVP, AI features, AI automation, backend services, React Native development, Firebase integration, Supabase development, or long-term development support, I can help.
{Let's Build Your App the Right Way}
Your idea deserves a scalable, reliable, and high-quality application built for long-term success.
If you need a React Native developer who can build mobile or web applications, integrate AI features, automate business workflows, develop AI agents, build backend services, work with Firebase or Supabase, or manage deployment from start to finish, I'd be happy to help.
Just send me an invitation, share your idea, and let's discuss the best way to bring it to life.
You're not just hiring a developer. You're working with someone focused on building reliable, secure, production-ready applications and AI solutions that create real business value.
Cheers...
Google Cloud Platform
TypeScript
PostgreSQL
Automation
Chatbot Integration
AI Chatbot
Python
n8n
Make.com
Claude
AI Agent Development
Django
React Native
PostgreSQL Programming
Mobile App Development
iOS Development
Android App Development
OpenAI API
AI Text-to-Speech
AI Mobile App Development
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Kinetic Investments
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At A Glance: Driver Development
From the physicianโs office to the classroom, and Wall Street to Dubai, technology drives the course of the modern world. Almost all technological devices, from complex computer systems to pocket-sized smartphones, require some form of software and driver in order to operate. Whether youโre in the business of creating smart cars or high-tech surgical equipment, software and a dependable, high-quality driver are essential. The device driver, commonly referred to as a driver, provides a software interface to hardware devices that allows operating systems and other computer programs to quickly and easily access hardware functions. Software can take on many forms, including the underlying system with which a device runs and a network is controlled, or the applications users access on a computer or device in order to accomplish specific tasks. Whatever your driver development or software engineering needs, an experienced driver development expert or software engineer will ensure your technological device or piece of software stands above the rest. Software engineers apply engineering principles to maintain, test, develop, and evaluate software and systems across a multitude of devices and platforms. Driver developers possess an in-depth understanding of how software and hardware works for specific platforms and operating systems, including Windows, Android, and Linux.
On Upwork, youโll be able to post your device driver project free of cost, and browse the profiles of numerous experienced driver developers and software engineers in order to locate a professional whose skill set best suits your project needs.