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✔️ Serving Client From 𝐍𝐨𝐫𝐭𝐡 𝐀𝐦𝐞𝐫𝐢𝐜𝐚, 𝐄𝐮𝐫𝐨𝐩𝐞 & 𝐎𝐜𝐞𝐚𝐧𝐢𝐚 Only ✔️𝟏𝟏+ 𝐘𝐞𝐚𝐫𝐬 of 𝐄𝐱𝐩𝐞𝐫𝐭 in 𝐌𝐨𝐛𝐢𝐥𝐞 & 𝐖𝐞𝐛 Development ✔️𝟏𝟎𝟎+ Mobile & Web Apps Developed ✔️𝐌𝐢𝐥𝐥𝐢𝐨𝐧 𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 app developed ✔️𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐖𝐄𝐁 Development ✔️𝐅𝐫𝐨𝐧𝐭 𝐄𝐧𝐝 𝐖𝐄𝐁 Development ✔️𝐁𝐚𝐜𝐤 𝐄𝐧𝐝 𝐖𝐄𝐁 Development ✔️ 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐄𝐁 𝐀𝐏𝐏 ✔️ 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 App Development ✔️𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 Mobile App ✔️𝐇𝐲𝐛𝐫𝐢𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 Development ✔️ 𝐢𝐏𝐡𝐨𝐧𝐞(𝐢𝐎𝐒) App Development ✔️ 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐀𝐩𝐩 Development ✔️𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 Website/Stors Development ✔️ 𝐖𝐨𝐫𝐝𝐩𝐫𝐞𝐬𝐬 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 Development ✔️ 𝐂𝐮𝐬𝐭𝐨𝐦 𝐀𝐩𝐩lication Development ✔️𝐌𝐕𝐏 Design & Development ✔️App 𝐥𝐢𝐬𝐭𝐢𝐧𝐠 in 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 & 𝐀𝐩𝐩 𝐬𝐭𝐨𝐫𝐞
Flutter | React Native | MERN | MEAN | React. js | Angular | Node. js | Express | Laravel | PHP | Shopify | REST APIs | GraphQL | Cloud Deployments | WordPress | Wix | Shopify | Magento | WooCommerce
Website | Web App | Ecommerce Stores | Admin panels | Dashboards | SaaS platforms | Mobile App | Game APP
I have successfully designed, developed, & maintained a music application that now serves 𝐦𝐢𝐥𝐥𝐢𝐨𝐧𝐬 𝐨𝐟 𝐮𝐬𝐞𝐫𝐬.
I provide Complete App Development Life Cycle - App UI Design ➤ App Click flow ➤ App development ➤ App testing ➤ App Live Upload on stores ➤ Free Of Cost maintenance for next 3 month
✅✅Services Offered
✅ AI Chatbot Development
Chatbot Development, Integration for website. Web app & mobile apps
WhatsApp Business API Integration for mobile Chatbot on WhatsApp
Chatbot development for Customer Service on Ecommerce Website
Chatbot Development for Query Handling on Shopify
Chatbot Development using Low Code No Code
OpenAI/ChatGPT Integration
✅ Full Stack Web App Development
React-based web app development for appointment booking & scheduling systems
MERN Stack App Development for meditation, mindfulness, & mental wellness solutions
Node base Web App Development for community engagement & social interaction platforms
React Based App Development for study planning & learning productivity apps
✅ Custom Full Stack Web App Development(Node & React)
ERP Development Using Node and React
CRM Development Using Node and React
Development for social networking platforms with real-time interaction
Web App for real-time chat & video calling solutions
Development for e-learning & virtual classroom solution
✅ Ecommerce Website Development
Ecommerce Website Development freelance & service marketplace platforms
Ecommerce Store Development using Shopify, Magento, WooCommerce, PHP Laravel
Custom Store Development
Ecommerce Theme Customization
Mobile Responsive Ecommerce Design
Payment Gateway & Shipping Setup
Product & Collection Setup
Speed & SEO Optimization
✅ Mobile App Development
Mobile App Development for taxi & transportation booking systems
Mobile App for maternity care & women’s health platforms
Mobile App Development for dating & matchmaking platforms
✅ Cross Platform (Flutter)
Cross-platform (Flutter) multi-vendor e-commerce marketplaces
Cross-platform social media platforms with cryptocurrency integration
Cross Platform (Flutter) short-video social platforms (TikTok-style apps)
✅ iOS App
iOS Mobile App for salon, beauty, & wellness booking platforms
iOS App Developer for customer relationship management systems(CRM)
iOS Mobile App Development for restaurant, café, & food business management
iOS App for workforce, inventory, & staff management systems
✅ Android
Android App Development for home service & technician booking platforms
Android App Development for telemedicine & patient portal solutions
Android App for AI-based utilities including math & logic tools
✅✅ Tools & Technologies
✅ AI chatbots
🔸 OpenAI API Integration
🔸 ChatGPT Integration
🔸 GPT 3 🔸 GPT 4
🔸 AI Chatbots and Virtual Assistants
🔸 Generative AI Systems
🔸 AI-Driven Automation Frameworks
🔸 WhatsApp Business API
🔸 WhatsApp Chatbot for E-commerce
🔸 Zapier, n8n, Make. com, WhatsApp business API
🔸 Chatbots using Manychat, Botpress, Website Chatbots, WhatsApp Chatbots, Mobile Chatbots
✅ Frontend Technologies
🔸 Flutter 🔸 Dart
🔸 React 🔸 Next js
🔸 Vue js 🔸 HTML5
🔸 CSS 3 🔸 Type Script
🔸 Bootstrap 🔸 Tailwind CSS
🔸 Angular Framework
🔸 Ionic Framework
✅ Backend & API Technologies
🔸 Node js 🔸 Express js
🔸 Nest JS 🔸 PHP
🔸 Laravel 🔸 Python (Django / Flask)
🔸 Java (Spring Boot) 🔸 NET Core
✅ API Development & Integration
🔸 REST APIs 🔸 GraphQL APIs
🔸 API Integration (3rd Party Services)
🔸 Payment Gateway Integration (Stripe, Razorpay, PayPal)
🔸 Google Maps API Integration
🔸 Firebase APIs
✅ Database & Backend Support
🔸 MongoDB (MERN Stack)
🔸 MySQL / PostgreSQL 🔸 SQLite
🔸 Firebase Firestore / Realtime DB
🔸 Redis (Caching) 🔸 Supabase
✅ Industry
🔸 Healthcare
🔸 Real Estate
🔸 Education
🔸 Roofing
🔸 Dating and Social Apps
Shweta A.
has worked
.
Associated with
WebWiders
$5K+
earned
$10/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
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💰 $𝟭𝟬𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 | ⏱️𝟰7𝟬𝟬+ 𝗛𝗼𝘂𝗿𝘀 𝗪𝗼𝗿𝗸𝗲𝗱 | ✅ 𝟮𝟲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱
I help startups/businesses build fast and grow mobile apps from MVP to App Store launch using Flutter and React Native development. With 10+ years of experience delivering Flutter and React Native mobile apps that are reliable, well-architected, and built to scale from new builds to app redesigns, bug fixes, and ongoing app maintenance.
⭐ Client Feedback
"Ankit is very knowledgeable and easy to work with. He is on top of things and responds to messages while on vacation too. I strongly recommend Ankit." — 5.0 Rating
🚀𝗪𝗵𝗮𝘁 𝗜 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲 𝗶𝗻
-----------------------
→ Cross-Platform App Development
Expert Flutter developer and React Native developer building cross-platform apps with a single codebase to ship faster on both iOS and Android without sacrificing performance. This includes state management (Provider, Riverpod, Bloc, GetX), REST/GraphQL API integration, and clean, responsive UI for all screen sizes ideal for marketplace apps, booking apps, and on-demand apps.
→ Native iOS & Android Development
I build natively using Swift, SwiftUI, and UIKit for iOS app development and Kotlin, Java, and Jetpack Compose for Android app development, including SDKs (ARKit, HealthKit, CoreData), CameraX, and ML Kit integrations.
→ Firebase & Backend Integration
Firebase Auth, Firestore, Realtime Database, push notifications, and analytics, paired with backend work in Node.js, Laravel, Supabase, and databases like PostgreSQL, MongoDB, and MySQL built to support real-time chat apps, social media apps, and dating apps.
→ MVP & Rapid Prototyping
I use Flutter, FlutterFlow, and lean development practices to get a working MVP app in front of users fast, with Firebase-based backend setup perfect for startups validating an idea before a full mobile app development build.
→ AI-Powered App Features
I also integrate AI chatbots, conversational assistants, and recommendation engines directly into mobile apps using the ChatGPT API, LangChain, and Retrieval-Augmented Generation (RAG) applied to eCommerce and healthcare apps.
→ Payments & Real-Time Features
Stripe, Razorpay, Apple Pay, Google Pay, and in-app purchases, plus real-time chat, GPS tracking apps, and live notification systems.
→ App Store & Play Store Deployment
Full deployment pipeline including TestFlight, CI/CD setup, app maintenance, and ongoing bug fixes for both new and existing React Native and Flutter apps.
🛠 Technical Expertise
Mobile Frameworks: Flutter, React Native, Swift, SwiftUI, Kotlin, Java
Backend & Database: Firebase, Supabase, PostgreSQL, MySQL, Node.js, Django, PHP
API & Integration: REST API, GraphQL, Stripe, Razorpay, Apple Pay, Google Pay
AI & Advanced Features: AI Chatbots, LangChain, RAG, ML Kit, ARKit, HealthKit
DevOps & Tools: CI/CD, GitHub, Xcode, App Store Connect, Play Console
Specializations: MVP Development, Cross-Platform, E-Commerce, On-Demand, Healthcare
🎯 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜'𝘃𝗲 𝘄𝗼𝗿𝗸𝗲𝗱 𝗶𝗻:
Healthcare, fitness, eCommerce, on-demand services, social media, dating, events, navigation, IoT, and AR/VR.
Also, I focus on clean architecture, performance, and long-term maintainability not just shipping fast and walking away. Whether you need to build a mobile app from scratch, fix a buggy app, redesign an outdated app, or take over an existing codebase, I'll give you a clear plan before writing a single line of code.
👉 Tell me: Are you looking to launch an MVP quickly or scale an existing app?
Send me your project details and I'll tell you honestly whether Flutter, React Native, or native is the right fit and give you a realistic timeline before we start.
---------------------------------
Mobile App Developer, iOS Developer, Swift, SwiftUI, Android App Development, Android Developer, Flutter App Development, Flutter Developer, React Native App Development, Cross-Platform App Development, Hybrid App Development, Custom Mobile App Development, MVP Development, Full Stack Developer, Full Stack Development, Stripe Payment Integration, Paywall Optimization, Firebase, Supabase, PostgreSQL, MySQL, AWS, Google Cloud, GCP, REST API, API Design, Scalable Backend Architecture, Django, PHP, AI Development, Custom AI Solutions, AI Agents Development, AI Integrations, App Store Publishing, Play Store Publishing, CI/CD Pipelines, Performance Optimization, E-Commerce Apps, Marketplace Apps, On-Demand Service Apps, Taxi App, Food Delivery App, Booking App.
Ankit K.
has worked
.
Associated with
IDEIO SOFT PRIVATE LIMITED
$600K+
earned
$20/hr
77%
Job Success
$80K+ earned
Available now
Start of list.
End of list.
I’m a 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, and 𝗔𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 turning bold ideas into real-world solutions. I specialize in building cross platform experiences with 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 and 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲, as well as native 𝗶𝗢𝗦, workflow automation, Low-code development and 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗮𝗽𝗽𝘀 using 𝗦𝘄𝗶𝗳𝘁. Every line of code I write is reliable, fast, and user-focused.
I’ve successfully delivered 𝟭𝟱+ 𝗹𝗶𝘃𝗲 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 𝗮𝗻𝗱 𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀, including notable projects like Opty Sleep and Chaser the Network, scaling products to 𝟱𝟬𝗞+ 𝗮𝗰𝘁𝗶𝘃𝗲 𝘂𝘀𝗲𝗿𝘀, improving 𝘂𝘀𝗲𝗿 𝗿𝗲𝘁𝗲𝗻𝘁𝗶𝗼𝗻 𝗯𝘆 𝗼𝘃𝗲𝗿 𝟮𝟱%, and supporting 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗠𝗩𝗣𝘀 𝘁𝗵𝗮𝘁 𝘀𝗲𝗰𝘂𝗿𝗲𝗱 $𝟖𝟓𝟎𝗞+ 𝗶𝗻 𝘀𝗲𝗲𝗱 𝗳𝘂𝗻𝗱𝗶𝗻𝗴.
From Firebase backend and MongoDB databases to secure authentication and API integration,
I ensure your apps perform seamlessly. I dedicate 30+ hours per week to client projects, supporting everything from rapid prototyping to mission-critical debugging and full end-to-end development that grows with your vision.
𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
✅ 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱:
React.js & Next.js 15: Expertise in App Router, Server Components, and SSR/SSG for SEO and performance.
TypeScript: Type-safe, maintainable codebases for large-scale applications.
Angular & Vue.js (Nuxt.js): Custom-built dashboards and reactive SPAs.
State Management: Redux Toolkit, TanStack Query (React Query), and Zustand.
Styling: Tailwind CSS, Material UI, and Framer Motion for polished UX.
𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜 𝗗𝗲𝘀𝗶𝗴𝗻:
Node.js & Express / NestJS: Building event-driven, scalable microservices.
Python (Django, FastAPI, Flask): High-speed backends optimized for AI/ML processing.
Java Spring Boot: Reliable, secure, and performant enterprise-level systems.
API Protocols: RESTful API design, GraphQL (Apollo), and real-time WebSockets (Socket io).
𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 & 𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲:
NoSQL Solutions: MongoDB, Firebase (Realtime & Firestore), Cassandra.
SQL / Relational: PostgreSQL (with pgvector for AI), MySQL, MS SQL Server.
Caching & Optimization: Redis and Memcached for ultra-low latency.
𝗖𝗹𝗼𝘂𝗱, 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗠𝗼𝗱𝗲𝗿𝗻 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁:
Providers: AWS (EC2, Lambda, S3, SageMaker), Google Cloud (GCP), and Azure.
Infrastructure: Docker containerization and Kubernetes (K8s) orchestration.
CI/CD & Testing: GitHub Actions, Jenkins, and automated testing with Jest and Cypress.
✅ 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
Cross-platform: React Native & Flutter
Native iOS: Swift/SwiftUI
Offline functionality & API integration
User-centric UI/UX design
✅ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝘀
Mobile: React Native, Flutter, Dart, Swift
Web / Backend: JavaScript, Node.js, ExpressJS, TypeScript, Laravel, PHP, MERN Stack
Microservices & third-party API integration (AWS)
Databases: SQLite, MySQL, MongoDB, PostgreSQL, Firebase Realtime & Firestore, Redis
Latest trends: AR, IoT, Firmware Programming (ESP32)
𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗧𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺𝗲𝗱
⭐ Healthcare | ⭐ Fintech | ⭐ E-commerce | ⭐ Real Estate | ⭐ Entertainment
𝗪𝗵𝘆 𝗣𝗮𝗿𝘁𝗻𝗲𝗿𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲
I treat every project as unique, aligning your business goals with technical execution. My solutions are:
Scalable — grow seamlessly with your business
Maintainable — clean, organized code
Balanced — smart feature vs. budget decisions
User-focused — designed to turn users into brand advocates
Check out my portfolio for case studies! If you don’t see your exact use case, let’s chat - I love solving complex, custom challenges.
---
𝐎𝐭𝐡𝐞𝐫𝐬: Flutter App Development, Dart Programming, Firebase, Supabase, Cross-Platform App Development, Hybrid App Development, Mobile App Development, iOS App Development, Android App Development, Flutter for Web Development, Mobile App UI/UX Design, API Integration, Payment Integration, Third party SDK/Tools Integration, Software Development, User Authentication, In-App Purchases, Mobile Solutions, Firebase Studio, UI/UX Design, Figma, AI App Development, AI Integrations, Bluetooth low energy (BLE) SDK, Full-Stack App Development Services, Agile Development, App Store Deployment, Printer SDK Integration, Offline-first app development, State management, GitHub Actions, Azure DevOps, CI/CD Pipeline, Fastlane, TestFlight, Unit testing, automation, Clean Code, Solution Architect, VS Code, Android Studio, XCode, Transporter, Code review, Code optimization, Mobile Design, Enterprise Mobile App Development, SaaS App, Custom App Development, Smartphone app development, React.js, Next.js 15, TypeScript, MERN Stack, Node.js, Express, NestJS, Python FastAPI, Django, Java Spring Boot, REST/GraphQL API Design, SQL, PostgreSQL, MongoDB, Redis, AWS Lambda, Docker, Kubernetes, Microservices, Serverless, Stripe.
Muhammad F.
has worked
.
Associated with
TECHVADERS
$70K+
earned
$38.89/hr
88%
Job Success
Available now
Offers consultations
Start of list.
End of list.
I build AI-powered mobile apps that ship on time, retain users, and actually work.
Hi, I'm Wasif, a Full-Stack Mobile & AI Engineer with 7+ years of experience and 24+ completed projects.
I've built apps for Shore United Bank (FinTech), Vriya EEG (Healthcare), Triaden Sheriff (Security), Altered.ai (AI Voice), and many more. Every app I build goes from design → development → App Store & Google Play deployment.
WHAT I BUILD:
AI-POWERED MOBILE APPS: I integrate AI that users actually engage with not bolted-on features. Purpose-built intelligence that solves real problems:
• AI Chatbots & Virtual Assistants (OpenAI, Claude, LLMs)
• Voice AI Speech-to-Text, Text-to-Speech, Voice Commands
• Smart Search, Filtering & Personalized Recommendations
• Image Recognition & On-Device Processing
• GPT-Powered Content Generation & Summarization
• Workflow Automation Triggered from Mobile
CROSS-PLATFORM (FLUTTER & REACT NATIVE): One codebase. Two stores. Production-ready iOS and Android apps with native performance:
• Flutter 15+ apps shipped
• React Native 5+ apps shipped
• Offline-First Architecture
• Push Notifications & Real-Time Features
NATIVE iOS & ANDROID (SWIFT, KOTLIN): When you need platform-specific performance and polish:
• Swift / SwiftUI (iOS)
• Kotlin / Jetpack Compose (Android)
• Biometric Authentication
• Native Animations & Gestures
FULL-STACK SaaS & BACKEND
• Firebase, Supabase, Node.js, REST, GraphQL
• Payment Integration (Stripe, In-App Purchases)
• Real-Time Features, WebSockets
• Scalable Cloud Infrastructure (AWS, GCP)
• Database Design & Optimization
INDUSTRIES I'VE DELIVERED FOR:
FinTech & Banking • Healthcare • AI & SaaS • Food Delivery • Logistics • Travel & Tourism • EdTech • Security
MY PROCESS:
• Discovery & Planning: We define your vision, user flows, and technical requirements
• Design: I create Figma prototypes so you see exactly what you're getting
• Development: Weekly updates, clean code, and continuous testing
• Deployment: I handle App Store & Google Play submission
• Post-Launch: Bug fixes, updates, and ongoing support
WHY WORK WITH ME:
✅ 7+ Years Experience
✅ Response Within Hours
✅ Full Product Lifecycle (Design → Development → Deployment → Support)
✅ Clean, Maintainable Code
I'M THE RIGHT FIT IF:
• You need a complete app built design through deployment
• You want AI features that actually serve your users
• You value clean code, clear communication, and no surprises
• You're ready to move within 1-2 weeks
NOT A GOOD FIT IF:
• Price is your only decision factor
• You're not open to feedback on scope or design
READY TO START? Send me a message with your project details and I'll respond within hours.
Let's build the future of software - together.
Wasif Kazmi!
Wasif K.
has worked
.
$15/hr
99%
Job Success
$5K+ earned
Available now
Offers consultations
Start of list.
End of list.
Hello, I am a Flutter developer specialising in building high-performance mobile applications for Android and iOS.
I help startups, businesses, and agencies transform ideas into scalable, user-friendly mobile apps using Flutter. Whether you need an MVP or a full-featured application, I focus on delivering clean code, smooth performance, and a great user experience.
With a strong understanding of cross-platform development, I can build apps that work seamlessly across devices while reducing development time and cost.
Here’s what I can help you with:
✔️ Flutter mobile app development (Android & iOS)
✔️ Cross-platform app development with a single codebase
✔️ Converting Figma, XD, or UI designs into pixel-perfect apps
✔️ Firebase integration (Authentication, Firestore, Push Notifications)
✔️ REST API and third-party integrations
✔️ Payment gateway integration (Stripe, Razorpay, PayPal)
✔️ Google Maps and location-based features
✔️ App performance optimization and bug fixing
✔️ App Store and Google Play deployment
Experience includes:
• Business and service-based applications
• E-commerce and marketplace apps
• Booking and appointment systems
• Social and community platforms
• Dashboard and data-driven applications
I focus on delivering reliable solutions, maintaining clear communication, and meeting deadlines. The goal is to build apps that are not only functional but also scalable and aligned with your business needs.
If you’re looking for a Flutter developer who can handle your project efficiently from start to finish, feel free to reach out.
Suman K.
has worked
.
Associated with
Digital4design
$1M+
earned
$39/hr
100%
Job Success
$40K+ earned
Available now
Offers consultations
Start of list.
End of list.
I build complete digital systems not just apps.
If you need someone who can handle mobile apps, web platforms, backend architecture, and AI-driven automations together, I can take ownership of the full stack and deliver a working product end-to-end.
With 12+ years of experience, I’ve worked across startups and production-scale systems where stability, scalability, and speed matter more than just writing code.
Core Expertise:
1. Mobile Development
+ Flutter, React Native, iOS (Swift), Android (Kotlin/Java)
+ Cross-platform apps with smooth UI, performance optimization, and production-ready builds
2. Web Development (Full Stack)
+ MERN Stack (MongoDB, Express, React, Node.js)
+ Next.js-based apps, dashboards, admin panels, SaaS platforms
3. AI Integrations & Automation
+ OpenAI / GPT-based features
+ AI-powered SaaS workflows
+ Chatbots, assistants, and intelligent automation systems
4. Automation & Workflows
+ n8n automation pipelines
+ API orchestration
+ Business process automation (CRM, notifications, integrations)
5. Backend & Systems
+ REST APIs, authentication systems, role-based access
+ Real-time systems (WebSockets, Firebase)
+ Database architecture (MongoDB, MySQL, Supabase, Firebase)
6. Payments & Monetization
+ Stripe, RevenueCat, PayPal, in-app purchases
+ Subscription systems and usage-based billing
What I Build:
+ AI SaaS platforms (mobile + web dashboards)
+ Automation systems using n8n and APIs
+ Subscription-based products
+ Real-time applications (chat, tracking, notifications)
+ Admin panels, CMS, CRM tools
+ MVPs to full-scale production systems
How I Work:
+ I understand complete system flow, not just isolated features
+ I focus on clean architecture and long-term scalability
+ I can take a project from idea to MVP to production to scaling
+ I minimize dependency you don’t need to manage multiple developers
Nikunj G.
has worked
.
$15/hr
100%
Job Success
$10K+ earned
Offers consultations
Start of list.
End of list.
👋 𝙃𝙚𝙮!
𝘐 𝘢𝘮 𝘢 𝘔𝘰𝘣𝘪𝘭𝘦 𝘈𝘱𝘱 𝘋𝘦𝘷𝘦𝘭𝘰𝘱𝘦𝘳 𝘸𝘪𝘵𝘩 5+ 𝘺𝘦𝘢𝘳𝘴 𝘰𝘧 𝘦𝘹𝘱𝘦𝘳𝘪𝘦𝘯𝘤𝘦 𝘪𝘯 𝘣𝘶𝘪𝘭𝘥𝘪𝘯𝘨 𝘤𝘳𝘰𝘴𝘴-𝘱𝘭𝘢𝘵𝘧𝘰𝘳𝘮 𝘢𝘯𝘥 𝘯𝘢𝘵𝘪𝘷𝘦 𝘮𝘰𝘣𝘪𝘭𝘦 𝘢𝘱𝘱𝘭𝘪𝘤𝘢𝘵𝘪𝘰𝘯𝘴. 𝘔𝘺 𝘦𝘹𝘱𝘦𝘳𝘵𝘪𝘴𝘦 𝘤𝘰𝘷𝘦𝘳𝘴 𝘍𝘭𝘶𝘵𝘵𝘦𝘳, 𝘙𝘦𝘢𝘤𝘵 𝘕𝘢𝘵𝘪𝘷𝘦, 𝘪𝘖𝘚 (𝘚𝘸𝘪𝘧𝘵), 𝘈𝘯𝘥𝘳𝘰𝘪𝘥 (𝘒𝘰𝘵𝘭𝘪𝘯/𝘑𝘢𝘷𝘢), 𝘢𝘯𝘥 𝘍𝘪𝘳𝘦𝘣𝘢𝘴𝘦, 𝘢𝘴 𝘸𝘦𝘭𝘭 𝘢𝘴 𝘈𝘗𝘐 𝘪𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯 𝘢𝘯𝘥 𝘤𝘭𝘰𝘶𝘥-𝘣𝘢𝘴𝘦𝘥 𝘴𝘰𝘭𝘶𝘵𝘪𝘰𝘯𝘴. 𝘐 𝘩𝘦𝘭𝘱 𝘣𝘶𝘴𝘪𝘯𝘦𝘴𝘴𝘦𝘴 𝘢𝘯𝘥 𝘴𝘵𝘢𝘳𝘵𝘶𝘱𝘴 𝘵𝘶𝘳𝘯 𝘪𝘥𝘦𝘢𝘴 𝘪𝘯𝘵𝘰 𝘴𝘤𝘢𝘭𝘢𝘣𝘭𝘦, 𝘶𝘴𝘦𝘳-𝘧𝘳𝘪𝘦𝘯𝘥𝘭𝘺, 𝘢𝘯𝘥 𝘩𝘪𝘨𝘩-𝘱𝘦𝘳𝘧𝘰𝘳𝘮𝘢𝘯𝘤𝘦 𝘮𝘰𝘣𝘪𝘭𝘦 𝘢𝘱𝘱𝘴 𝘵𝘩𝘢𝘵 𝘴𝘵𝘢𝘯𝘥 𝘰𝘶𝘵 𝘰𝘯 𝘵𝘩𝘦 𝘈𝘱𝘱 𝘚𝘵𝘰𝘳𝘦 𝘢𝘯𝘥 𝘎𝘰𝘰𝘨𝘭𝘦 𝘗𝘭𝘢𝘺 𝘚𝘵𝘰𝘳𝘦.
🔹 𝙒𝙝𝙖𝙩 𝙄 𝘾𝙖𝙣 𝘿𝙤 𝙁𝙤𝙧 𝙔𝙤𝙪?
=======================
✔ 𝘊𝘳𝘰𝘴𝘴-𝘗𝘭𝘢𝘵𝘧𝘰𝘳𝘮 𝘔𝘰𝘣𝘪𝘭𝘦 𝘈𝘱𝘱𝘴: 𝘋𝘦𝘷𝘦𝘭𝘰𝘱 𝘧𝘢𝘴𝘵 𝘢𝘯𝘥 𝘤𝘰𝘴𝘵-𝘦𝘧𝘧𝘦𝘤𝘵𝘪𝘷𝘦 𝘢𝘱𝘱𝘴 𝘶𝘴𝘪𝘯𝘨 𝘍𝘭𝘶𝘵𝘵𝘦𝘳 𝘢𝘯𝘥 𝘙𝘦𝘢𝘤𝘵 𝘕𝘢𝘵𝘪𝘷𝘦 𝘧𝘰𝘳 𝘣𝘰𝘵𝘩 𝘪𝘖𝘚 𝘢𝘯𝘥 𝘈𝘯𝘥𝘳𝘰𝘪𝘥.
✔ 𝘕𝘢𝘵𝘪𝘷𝘦 𝘈𝘱𝘱 𝘋𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵: 𝘏𝘪𝘨𝘩-𝘲𝘶𝘢𝘭𝘪𝘵𝘺 𝘪𝘖𝘚 𝘢𝘱𝘱𝘴 (𝘚𝘸𝘪𝘧𝘵/𝘖𝘣𝘫𝘦𝘤𝘵𝘪𝘷𝘦-𝘊) 𝘢𝘯𝘥 𝘈𝘯𝘥𝘳𝘰𝘪𝘥 𝘢𝘱𝘱𝘴 (𝘒𝘰𝘵𝘭𝘪𝘯/𝘑𝘢𝘷𝘢) 𝘸𝘪𝘵𝘩 𝘰𝘱𝘵𝘪𝘮𝘪𝘴𝘦𝘥 𝘱𝘦𝘳𝘧𝘰𝘳𝘮𝘢𝘯𝘤𝘦.
✔ 𝘜𝘐/𝘜𝘟 𝘐𝘮𝘱𝘭𝘦𝘮𝘦𝘯𝘵𝘢𝘵𝘪𝘰𝘯: 𝘊𝘭𝘦𝘢𝘯, 𝘮𝘰𝘥𝘦𝘳𝘯, 𝘢𝘯𝘥 𝘦𝘯𝘨𝘢𝘨𝘪𝘯𝘨 𝘥𝘦𝘴𝘪𝘨𝘯𝘴 𝘸𝘪𝘵𝘩 𝘔𝘢𝘵𝘦𝘳𝘪𝘢𝘭 𝘋𝘦𝘴𝘪𝘨𝘯 𝘢𝘯𝘥 𝘈𝘱𝘱𝘭𝘦 𝘏𝘶𝘮𝘢𝘯 𝘐𝘯𝘵𝘦𝘳𝘧𝘢𝘤𝘦 𝘎𝘶𝘪𝘥𝘦𝘭𝘪𝘯𝘦𝘴.
✔ 𝘉𝘢𝘤𝘬𝘦𝘯𝘥 & 𝘈𝘗𝘐 𝘐𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯: 𝘚𝘦𝘤𝘶𝘳𝘦 𝘢𝘯𝘥 𝘴𝘤𝘢𝘭𝘢𝘣𝘭𝘦 𝘪𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯𝘴 𝘸𝘪𝘵𝘩 𝘍𝘪𝘳𝘦𝘣𝘢𝘴𝘦, 𝘙𝘌𝘚𝘛 𝘈𝘗𝘐𝘴, 𝘎𝘳𝘢𝘱𝘩𝘘𝘓, 𝘕𝘰𝘥𝘦.𝘫𝘴, 𝘋𝘫𝘢𝘯𝘨𝘰, 𝘓𝘢𝘳𝘢𝘷𝘦𝘭, 𝘢𝘯𝘥 𝘗𝘏𝘗.
✔ 𝘦𝘊𝘰𝘮𝘮𝘦𝘳𝘤𝘦 & 𝘖𝘯-𝘋𝘦𝘮𝘢𝘯𝘥 𝘚𝘰𝘭𝘶𝘵𝘪𝘰𝘯𝘴: 𝘊𝘶𝘴𝘵𝘰𝘮 𝘦𝘊𝘰𝘮𝘮𝘦𝘳𝘤𝘦 𝘢𝘱𝘱𝘴, 𝘣𝘰𝘰𝘬𝘪𝘯𝘨 𝘢𝘱𝘱𝘴, 𝘤𝘩𝘢𝘵 𝘢𝘱𝘱𝘴, 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘺 𝘢𝘱𝘱𝘴, 𝘚𝘢𝘢𝘚 𝘱𝘭𝘢𝘵𝘧𝘰𝘳𝘮𝘴 𝘸𝘪𝘵𝘩 𝘳𝘦𝘢𝘭-𝘵𝘪𝘮𝘦 𝘯𝘰𝘵𝘪𝘧𝘪𝘤𝘢𝘵𝘪𝘰𝘯𝘴, 𝘱𝘢𝘺𝘮𝘦𝘯𝘵𝘴, 𝘨𝘦𝘰𝘭𝘰𝘤𝘢𝘵𝘪𝘰𝘯, 𝘢𝘯𝘥 𝘢𝘯𝘢𝘭𝘺𝘵𝘪𝘤𝘴.
✔ 𝘈𝘱𝘱 𝘋𝘦𝘱𝘭𝘰𝘺𝘮𝘦𝘯𝘵 & 𝘖𝘱𝘵𝘪𝘮𝘪𝘴𝘢𝘵𝘪𝘰𝘯: 𝘍𝘶𝘭𝘭 𝘴𝘶𝘱𝘱𝘰𝘳𝘵 𝘧𝘰𝘳 𝘱𝘶𝘣𝘭𝘪𝘴𝘩𝘪𝘯𝘨 𝘢𝘱𝘱𝘴 𝘰𝘯 𝘵𝘩𝘦 𝘎𝘰𝘰𝘨𝘭𝘦 𝘗𝘭𝘢𝘺 𝘚𝘵𝘰𝘳𝘦 𝘢𝘯𝘥 𝘈𝘱𝘱𝘭𝘦 𝘈𝘱𝘱 𝘚𝘵𝘰𝘳𝘦, 𝘪𝘯𝘤𝘭𝘶𝘥𝘪𝘯𝘨 𝘈𝘱𝘱 𝘚𝘵𝘰𝘳𝘦 𝘖𝘱𝘵𝘪𝘮𝘪𝘴𝘢𝘵𝘪𝘰𝘯 (𝘈𝘚𝘖).
🛠 𝙎𝙠𝙞𝙡𝙡𝙨 & 𝙏𝙚𝙘𝙝 𝙎𝙩𝙖𝙘𝙠
===================
• 𝘍𝘳𝘢𝘮𝘦𝘸𝘰𝘳𝘬𝘴: 𝘍𝘭𝘶𝘵𝘵𝘦𝘳, 𝘙𝘦𝘢𝘤𝘵 𝘕𝘢𝘵𝘪𝘷𝘦
• 𝘗𝘭𝘢𝘵𝘧𝘰𝘳𝘮𝘴: 𝘪𝘖𝘚, 𝘈𝘯𝘥𝘳𝘰𝘪𝘥
• 𝘓𝘢𝘯𝘨𝘶𝘢𝘨𝘦𝘴: 𝘋𝘢𝘳𝘵, 𝘒𝘰𝘵𝘭𝘪𝘯, 𝘚𝘸𝘪𝘧𝘵, 𝘖𝘣𝘫𝘦𝘤𝘵𝘪𝘷𝘦-𝘊, 𝘑𝘢𝘷𝘢, 𝘛𝘺𝘱𝘦𝘚𝘤𝘳𝘪𝘱𝘵, 𝘑𝘢𝘷𝘢𝘚𝘤𝘳𝘪𝘱𝘵
• 𝘉𝘢𝘤𝘬𝘦𝘯𝘥 & 𝘈𝘗𝘐𝘴: 𝘍𝘪𝘳𝘦𝘣𝘢𝘴𝘦, 𝘕𝘰𝘥𝘦.𝘫𝘴, 𝘋𝘫𝘢𝘯𝘨𝘰, 𝘓𝘢𝘳𝘢𝘷𝘦𝘭, 𝘗𝘏𝘗, 𝘎𝘳𝘢𝘱𝘩𝘘𝘓, 𝘙𝘌𝘚𝘛 𝘈𝘗𝘐𝘴
• 𝘋𝘢𝘵𝘢𝘣𝘢𝘴𝘦𝘴: 𝘔𝘺𝘚𝘘𝘓, 𝘗𝘰𝘴𝘵𝘨𝘳𝘦𝘚𝘘𝘓, 𝘔𝘰𝘯𝘨𝘰𝘋𝘉, 𝘚𝘘𝘓𝘪𝘵𝘦
• 𝘊𝘭𝘰𝘶𝘥 & 𝘋𝘦𝘷𝘖𝘱𝘴: 𝘈𝘞𝘚, 𝘎𝘰𝘰𝘨𝘭𝘦 𝘊𝘭𝘰𝘶𝘥, 𝘈𝘻𝘶𝘳𝘦, 𝘋𝘪𝘨𝘪𝘵𝘢𝘭 𝘖𝘤𝘦𝘢𝘯, 𝘋𝘰𝘤𝘬𝘦𝘳
• 𝘋𝘦𝘴𝘪𝘨𝘯 𝘛𝘰𝘰𝘭𝘴: 𝘍𝘪𝘨𝘮𝘢, 𝘈𝘥𝘰𝘣𝘦 𝘟𝘋, 𝘚𝘬𝘦𝘵𝘤𝘩
• 𝘖𝘵𝘩𝘦𝘳 𝘚𝘬𝘪𝘭𝘭𝘴: 𝘈𝘗𝘐 𝘪𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯, 𝘗𝘢𝘺𝘮𝘦𝘯𝘵 𝘨𝘢𝘵𝘦𝘸𝘢𝘺 𝘪𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯, 𝘗𝘶𝘴𝘩 𝘯𝘰𝘵𝘪𝘧𝘪𝘤𝘢𝘵𝘪𝘰𝘯𝘴, 𝘙𝘦𝘢𝘭-𝘵𝘪𝘮𝘦 𝘤𝘩𝘢𝘵, 𝘎𝘦𝘰𝘭𝘰𝘤𝘢𝘵𝘪𝘰𝘯 𝘴𝘦𝘳𝘷𝘪𝘤𝘦𝘴
🌟 𝙒𝙝𝙮 𝘾𝙝𝙤𝙤𝙨𝙚 𝙈𝙚?
=================
• 5+ 𝘺𝘦𝘢𝘳𝘴 𝘰𝘧 𝘱𝘳𝘰𝘷𝘦𝘯 𝘦𝘹𝘱𝘦𝘳𝘪𝘦𝘯𝘤𝘦 𝘪𝘯 𝘮𝘰𝘣𝘪𝘭𝘦 𝘢𝘱𝘱 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵
• 𝘌𝘹𝘱𝘦𝘳𝘵𝘪𝘴𝘦 𝘪𝘯 𝘣𝘰𝘵𝘩 𝘤𝘳𝘰𝘴𝘴-𝘱𝘭𝘢𝘵𝘧𝘰𝘳𝘮 (𝘍𝘭𝘶𝘵𝘵𝘦𝘳, 𝘙𝘦𝘢𝘤𝘵 𝘕𝘢𝘵𝘪𝘷𝘦) 𝘢𝘯𝘥 𝘯𝘢𝘵𝘪𝘷𝘦 (𝘪𝘖𝘚, 𝘈𝘯𝘥𝘳𝘰𝘪𝘥) 𝘢𝘱𝘱𝘴
• 𝘋𝘦𝘭𝘪𝘷𝘦𝘳𝘦𝘥 𝘢𝘱𝘱𝘴 𝘢𝘤𝘳𝘰𝘴𝘴 𝘦𝘊𝘰𝘮𝘮𝘦𝘳𝘤𝘦, 𝘰𝘯-𝘥𝘦𝘮𝘢𝘯𝘥, 𝘣𝘰𝘰𝘬𝘪𝘯𝘨, 𝘥𝘦𝘭𝘪𝘷𝘦𝘳𝘺, 𝘚𝘢𝘢𝘚, 𝘢𝘯𝘥 𝘤𝘩𝘢𝘵 𝘥𝘰𝘮𝘢𝘪𝘯𝘴
• 𝘚𝘵𝘳𝘰𝘯𝘨 𝘧𝘰𝘤𝘶𝘴 𝘰𝘯 𝘜𝘐/𝘜𝘟, 𝘱𝘦𝘳𝘧𝘰𝘳𝘮𝘢𝘯𝘤𝘦, 𝘴𝘤𝘢𝘭𝘢𝘣𝘪𝘭𝘪𝘵𝘺, 𝘢𝘯𝘥 𝘴𝘦𝘤𝘶𝘳𝘪𝘵𝘺
• 𝘌𝘯𝘥-𝘵𝘰-𝘦𝘯𝘥 𝘥𝘦𝘷𝘦𝘭𝘰𝘱𝘮𝘦𝘯𝘵: 𝘪𝘥𝘦𝘢 → 𝘥𝘦𝘴𝘪𝘨𝘯 → 𝘤𝘰𝘥𝘪𝘯𝘨 → 𝘵𝘦𝘴𝘵𝘪𝘯𝘨 → 𝘥𝘦𝘱𝘭𝘰𝘺𝘮𝘦𝘯𝘵
🔑 𝙆𝙚𝙮𝙬𝙤𝙧𝙙𝙨
============
Mobile App Developer, Flutter Developer, React Native Developer, iOS Developer, Android Developer, Kotlin Developer, Swift Developer, Dart Developer, Cross-Platform Mobile App Development, Native Mobile Apps, Hybrid App Development, Firebase Integration, API Integration, SaaS Mobile Apps, eCommerce Mobile Apps, On-Demand Apps, Booking App Development, Chat App Development, Delivery App Development, Real-Time Apps, Push Notifications, Geolocation Apps, Mobile UI/UX Design, App Store Optimization, Google Play Publishing, Mobile App Maintenance, Mobile App Scaling, Cloud Mobile Apps, AWS Mobile Development, Google Cloud Mobile Apps, Secure Mobile Apps, Scalable Mobile Apps, App Performance Optimization, End-to-End Mobile App Development.
Arham S.
has worked
.
$20/hr
100%
Job Success
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🏅 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 🚀 9+ 𝐘𝐞𝐚𝐫𝐬 | 📱 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐍𝐚𝐭𝐢𝐯𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫
I specialize in building 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 using both 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 (𝐃𝐚𝐫𝐭) for cross-platform and 𝐧𝐚𝐭𝐢𝐯𝐞 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 (𝐊𝐨𝐭𝐥𝐢𝐧 𝐟𝐨𝐫 𝐀𝐧𝐝𝐫𝐨𝐢𝐝, 𝐒𝐰𝐢𝐟𝐭 𝐟𝐨𝐫 𝐢𝐎𝐒).
I help startups and businesses turn their ideas into fully functional, scalable, and beautiful apps — delivered 𝐨𝐧 𝐭𝐢𝐦𝐞, 𝐨𝐧 𝐛𝐮𝐝𝐠𝐞𝐭, 𝐚𝐧𝐝 𝐰𝐢𝐭𝐡 𝐟𝐮𝐥𝐥 𝐬𝐭𝐨𝐫𝐞 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭.
🚀 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐃𝐨 𝐅𝐨𝐫 𝐘𝐨𝐮
• Flutter App Development (iOS & Android)
• Native Android (Kotlin) / iOS (Swift/SwiftUI) Apps
• Firebase Integration, REST APIs, Local & Cloud Databases
• Clean Architecture (MVVM, Bloc, Hilt, Riverpod)
• In-App Purchases, Maps, Stripe/PayPal, Push Notifications
• Full App Lifecycle: Design → Development → Deployment
• Maintenance, Bug Fixing & App Store Support
💻 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤
𝐅𝐥𝐮𝐭𝐭𝐞𝐫 & 𝐃𝐚𝐫𝐭: Bloc, Riverpod, Provider, GetX, Animations
𝐀𝐧𝐝𝐫𝐨𝐢𝐝 (𝐊𝐨𝐭𝐥𝐢𝐧): Jetpack Compose, Retrofit, Room, MVVM, Dagger/Hilt
𝐢𝐎𝐒 (𝐒𝐰𝐢𝐟𝐭): SwiftUI, CoreData, Combine, MVVM
𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: SQLite, Room, Firebase, MongoDB, PostgreSQL, AWS
𝟑𝐫𝐝-𝐏𝐚𝐫𝐭𝐲: Stripe, PayPal, Twilio, Google Maps, OneSignal, Social Logins
✅ 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞
• 9+ years of experience in mobile development
• Founder of Spybird Infotech
• Deep understanding of both business needs and technical architecture
• Clean, scalable, well-documented code
• Transparent communication, agile delivery, and post-launch support
• Top Rated on Upwork with 100% JSS and 30+ successful projects
💬 𝘎𝘰𝘵 𝘢𝘯 𝘪𝘥𝘦𝘢? Let’s discuss how I can help bring it to life — invite me or message me at the top of my profile.
Thank you,
𝐒𝐚𝐧𝐣𝐚𝐲 𝐆𝐨𝐡𝐢𝐥
📍 Founder, Spybird Infotech
Sanjay G.
has worked
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$25/hr
100%
Job Success
$90K+ earned
Available now
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Profile Achievements:-
✓ 100% Job Success Rate
✓ Top Rated Profile
✓ Over 7 years in Android + App Development
✓ Cross Platform & Native App Development
With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications.
Key Expertise:-
✅ Native iOS Development (Swift, Objective-C)
✅ Native Android Development (Kotlin, Java)
✅ UI/UX Optimization (Custom components, animations, accessibility)
✅ Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda)
✅ Real-Time Features (WebSockets, push notifications, Firestore)
✅ Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay)
✅ App Security & Data Protection (OAuth, JWT, biometric authentication)
✅ App Performance Optimization (Lazy loading, caching, memory management)
Big 2 Projects:-
FinTech Banking App: (iOS & Android)
- Developed for a leading financial institution, handling transactions for 500K+ users.
- Integrated real-time payments, multi-layer authentication, AI-driven financial insights.
- Achieved 99.9% uptime and 40% faster transaction processing.
Health & Fitness Application: (Swift & Kotlin)
- Built an AI-powered fitness tracking app with personalized workout recommendations.
- Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer).
- Successfully scaled the app to 250K+ active users, driving engagement with gamification features.
Development Approach & Workflow
📌 Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). 📌 UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning.
📌 API-First Development: Seamless backend connections with REST, GraphQL, Firebase.
📌 Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab.
📌 Post-Launch Support: Monitoring, updates, scalability improvements for future growth.
Tech Stack & Tools:
Technologies: Swift, Kotlin, Java, Firebase, GraphQL, REST APIs, AWS, Google Cloud.
Dev Tools: Git, Bitbucket, Docker, Fastlane, Postman.
Frameworks: Jetpack Compose, SwiftUI, Alamofire, Retrofit, RoomDB.
Platforms: iOS, Android, App Store, Google Play, AWS, Azure.
Let's connect for a quick exploratory chat to kickoff with your idea into mobile app!
Keywords:
Mobile App Developer, Android, iOS, React Native, Flutter, Kotlin, Swift, Dart, Cross-Platform Apps, Native Development, Firebase, Firestore, Realtime DB, Node.js, Express.js, REST API, GraphQL, OAuth, SQLite, MongoDB, Stripe, PayPal, Apple Pay, Google Pay, Git, GitHub, CI/CD, Google Play, App Store, Agile, Scrum, App Optimization, ASO, Crashlytics, BLE, Geolocation, AR, Video Streaming, WebSockets, Social API Integration, Google Cloud, AWS, Jetpack Compose, Hilt, Dagger, Coroutines, Room DB, MVVM, Clean Architecture, Unit Testing, SDK Integration.
Usman A.
has worked
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$45/hr
100%
Job Success
$100K+ earned
Offers consultations
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Mobile App Developer specializing in React Native & Flutter. I help startups build cross-platform iOS & Android apps – from validated MVP to App Store launch.
Backed by a 330+ engineer full-cycle team with 20+ years of experience, I deliver mobile applications that go beyond clean UI – covering backend API, cloud infrastructure, QA, and AI integration in a single engagement.
Whether you're a founder validating your first mobile idea or a product team scaling an existing app, I focus on one goal: shipping a product that users download, use, and come back to.
💡 Case Studies
🧠 BibleLytics (Wellness & AI, Startup) – Built a full AI-powered mobile MVP from discovery phase to App Store launch. The app guides users to Bible verses based on emotional state using vector search across 400+ mapped emotions and OpenAI GPT-powered prayer generation. Delivered cross-platform iOS + Android from a single Flutter codebase, plus a web admin dashboard and landing page.
Stack: Flutter · GCP · OpenAI GPT · Vector Search · JavaScript
Result: Budget-efficient cross-platform delivery · validated concept before development investment · scalable architecture ready for multi-version expansion.
⚖️ Legal Beagle (LegalTech SaaS, USA) – Developed a white-label legal services platform with a 12-person team. The Android app enables real-time attorney-client collaboration: video consultations, secure messaging, e-signing, and full case management on mobile. Integrated CRM and legal document tools (Clio, DocuSign) with seamless cross-platform delivery across Android, iOS, and web.
Stack: Kotlin · Android SDK · Swift · React Native · TypeScript · PHP 8 (Symfony) · AWS ECS Fargate · Firebase · Docker · CircleCI
Result: Scalable white-label LegalTech SaaS · enterprise-grade security & data protection · consistent UX across all platforms and device types.
📡 Boarding Path (Smart Navigation, iOS) – Led the discovery phase for a native iOS indoor navigation platform. Conducted technical feasibility analysis, vendor evaluation (IndoorAtlas, beacons), UX design for complex indoor environments, and full documentation to launch development with zero guesswork.
Stack: Swift · Native iOS · Python · Django · IndoorAtlas · AWS · PostgreSQL
Result: Concept validated before a dollar was spent on development · technical risks eliminated upfront · market-ready iOS roadmap with full vendor alignment.
🏅 North Jersey Vipers (Sports, USA) – Built a cross-platform mobile app for a US sports club – enabling content sharing, team updates, and secure media storage for players, coaches, and parents. Delivered iOS + Android from a single React Native codebase within a tight budget and timeline.
Stack: React Native · JavaScript · Nest.js · Node.js · AWS
Result: Cost-optimized cross-platform delivery · secure content storage · minimized long-term maintenance overhead.
📱 Platforms & Frameworks
React Native · Flutter · Expo
Native iOS: Swift · SwiftUI · Objective-C
Native Android: Kotlin · Java
Progressive Web Apps (PWA)
🌐 Backend & APIs
Node.js · Nest.js · PHP · Symfony · Python · Django
REST APIs · GraphQL · WebSockets · Firebase Realtime Database
☁️ Cloud & Infrastructure
AWS (ECS Fargate, Lambda, S3, RDS, CloudFront)
GCP · Azure · Docker · Kubernetes
CI/CD: Bitrise · CircleCI · GitHub Actions
🤖 AI Integration
OpenAI GPT · Vector Search · AI-powered mobile features
LLM-based content personalization · Intelligent recommendations
AI chatbot integration for mobile apps
🔗 Mobile Integrations
Stripe · Clio · DocuSign · IndoorAtlas
Firebase Push Notifications · WebRTC (video consultations)
App Store & Google Play – full submission and launch support
🔐 Security & Compliance
HIPAA-aware mobile development · GDPR-compliant data handling
Secure messaging · E-signing · Enterprise-grade authentication
Biometric auth · End-to-end encryption
Why teams choose us:
✅ Full platform coverage – React Native, Flutter, Native iOS (Swift) & Native Android (Kotlin) from one team, no handoffs
✅ 330+ engineers – backend, DevOps, QA, and UI/UX always available alongside mobile development, so you never hit a skills gap
✅ 2,250+ delivered projects across HealthTech, LegalTech, FoodTech, Sports, Wellness, and B2B SaaS
✅ Full-cycle delivery – from discovery and UX design to backend API, cloud infrastructure, and App Store submission
✅ AI-ready from day one – we integrate OpenAI, vector search, and intelligent features into mobile apps without slowing the timeline
Send me a message – tell me about your app idea, and I'll respond within a few hours with a clear plan and honest timeline estimate.
Aleksey S.
has worked
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Associated with
IT CRAFT YSA GMBH
$4M+
earned