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Zain I.
$20/hr
100% Job Success
$9K+ earned
Available now
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I'm a Senior Flutter Developer with 5+ years of experience building and fixing production mobile apps for iOS and Android. I currently work as a Senior Software Engineer at Stratagile, where I've shipped a range of production apps including delivery platforms, booking systems, a hotel management system, banking applications, and a kids' video streaming platform, alongside freelance work here on Upwork with completed jobs. What I'm best at Clients generally come to me for one of two things: building a new Flutter app from the ground up, or resolving issues in one that's already live and breaking. The second is where I've built the strongest track record production crashes, Firebase login and authentication failures, bug fixes, feature implementation on existing codebases, and backend migration issues. A few recent examples from completed projects: Diagnosed a production app crash directly from crash logs and shipped a fix without disrupting any other part of the app Resolved a Firebase login issue the same day it was reported, with a clear explanation of root cause Fixed authentication and data sync issues during a Supabase backend migration, with zero data loss Handled bug fixes and feature implementation on an existing Flutter codebase I hadn't originally built If your app is live and something just broke — a crash, a login failure, a sync issue — I can usually scope the fix within hours of seeing the logs, not days. What I build with Flutter and Dart for the app layer; Firebase and Node.js for backend and custom APIs; MySQL, SQLite, and MongoDB depending on the data needs; and Supabase when a project calls for it. For state management, I work comfortably across Provider, GetX, Riverpod, and the Bloc pattern, and I follow MVC and standard design-pattern practices to keep codebases maintainable for whoever touches them next — including you, if you bring on another developer later. Integrations I've shipped in production Firebase Cloud Services, AdMob, OneSignal, Agora (real-time audio/video calling), Google Maps, payment gateways, SMS gateways, push notifications, in-app purchases, and barcode/QR scanning. I also set up CI/CD pipelines with GitHub Actions and Codemagic so builds and releases aren't a manual headache. How I work I respond within a few hours. I'll tell you upfront whether something is a quick fix or a real build (and price/time it honestly either way), and I keep communication direct; clients have consistently noted clear communication and reliability as what they remember most. I hold a 100% Job Success Score and Top Rated status on Upwork, and I'm available 40-50 hours/week for the right project. Send me what's broken or what you want built, and I'll give you a straight answer on scope and timeline before we start.
Zain I. has worked .
Maulik B.
$25/hr
97% Job Success
Available now
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I build and ship mobile apps that people actually use. iOS (Swift), Android (Kotlin), Flutter, React Native, from first prototype to App Store and Google Play launch. 95 projects delivered. 100% Job Success. 78% of my clients come back for more work. I run a small in-house dev team of 5, and I personally lead every project. You get the speed and bandwidth of a team with the direct communication of working with a senior developer. No account managers, no hand-offs to juniors you have never spoken to. 𝐖𝐡𝐚𝐭 𝐈 𝐰𝐨𝐫𝐤 𝐨𝐧: • Native iOS and Android apps (Swift, Kotlin) • Cross-platform apps (Flutter, React Native) • AI and LLM-powered mobile apps (chatbots, content generation, AI coaches, vision-based features) • Full-stack backends (Node.js, Firebase, Supabase, PostgreSQL, MongoDB) • MVP and prototype development for startups • Bug fixes, performance optimization, and feature additions to existing apps 𝗔𝗽𝗽𝘀 𝗜 𝗵𝗮𝘃𝗲 𝘀𝗵𝗶𝗽𝗽𝗲𝗱 𝗮𝗰𝗿𝗼𝘀𝘀: • Social networking, maps and geolocation • Fintech and payments • Fitness and health coaching • Real estate and property management • Safety and emergency response • AI chat, image and video generation • Healthcare, e-commerce, food and hospitality My work includes subscription and in-app purchase flows (RevenueCat, StoreKit), ScreenTime API, push notifications, real-time feeds, offline-first architecture, background location tracking, and Live Activities on iOS. 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸: We scope the project together, break it into weekly milestones, and I ship testable builds every week. I also use AI tools like Claude to speed up documentation, code review, and testing, saving you time and money without cutting corners on quality. Whether you have a Figma design ready, a rough idea on paper, or an existing app that needs new features, message me and let us talk about your project. I usually reply within a few hours. Warm regards, Maulik
Maulik B. has worked .
Syncly
Associated with
Syncly
Denis S.
$45/hr
100% Job Success
$600K+ earned
Available now
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🚀 Top 1% of Talent in 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & Technology Leadership ⚡ Building 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬, enterprise platforms, SaaS solutions, and scalable digital ecosystems 🔧 Using modern AI tools including Cursor, Claude Code, GitHub Copilot, GPT-4/GPT-4o, and Claude Sonnet/Opus 🤖 Experienced in AI agents, LLM integrations, AI automation, and multi-agent development systems 🚀 Accelerating development with 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢, agentic coding, and automation-driven workflows 💻 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐀𝐍𝐃 𝐘𝐎𝐔𝐑 𝐓𝐄𝐀𝐌 𝐆𝐄𝐓 Full-Stack Web Development Master's - high-performance web application development utilizing React, Node.js, and PHP to build scalable SaaS, FinTech, and Enterprise software. AI & Automation Systems Innovators - custom LLM applications, RAG pipelines, and intelligent workflow automations seamlessly integrated into your infrastructure. 📊 𝐀𝐂𝐇𝐈𝐄𝐕𝐄𝐌𝐄𝐍𝐓𝐒 𝐈𝐍 𝐍𝐔𝐌𝐁𝐄𝐑𝐒 (𝐁𝐔𝐒𝐈𝐍𝐄𝐒𝐒 & 𝐒𝐘𝐒𝐓𝐄𝐌 𝐈𝐌𝐏𝐀𝐂𝐓) 25+ years, 50,000+ engineering hours, 200+ successful launches delivered as a Senior Full Stack Developer and tech leader across global industries. ◾ Full-Stack Web Development for Enterprise & SaaS Platforms: Engineered and launched custom AI-powered SaaS platforms that scaled to millions of active users with 99.99% operational uptime. Accelerated product development cycles by 40% by deploying optimized React component libraries and agile workflows. Backend Architecture & API Engineering (Node.js & PHP): Reduced server infrastructure costs by 50% by migrating legacy monoliths into scalable microservices using Node.js, NestJS, and PHP. Optimized heavy data-processing pipelines, reducing database latency by 70% via tailored PostgreSQL, MongoDB, and MySQL schemas. ◾ AI App Development & Workflow Automation: Developed and integrated proprietary OpenAI GPT, Claude, and Gemini models into operational CRMs, increasing client workflow efficiency by 180%. Successfully deployed secure, HIPAA-compliant healthcare applications and high-security FinTech platforms with built-in Stripe / PayPal integrations. 🎯 𝐖𝐇𝐄𝐑𝐄 𝐖𝐄 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 (𝐂𝐎𝐑𝐄 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄) As a Full Stack Developer & Solution Architect: I handle the full cycle of Full-Stack Web Development, defining technical roadmaps, designing scalable web applications, and ensuring bulletproof cyber-security protocols. As a Front-End Development Expert: Crafting pixel-perfect, highly responsive user interfaces using React, Next.js, TypeScript, Vue.js, and Angular to ensure maximum conversion rates and premium UX. As a Back-End Development Authority: Designing ultra-fast APIs and core services with Node.js (Express/NestJS), PHP, Python (FastAPI/Django), and modern Serverless Stack architectures. As a Cloud & DevOps Engineer: Implementing enterprise-grade cloud deployments via AWS, Google Cloud, and Azure, utilizing Docker, Kubernetes, and automated CI/CD pipelines. 🛠 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 & 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓𝐔𝐑𝐄 𝐄𝐂𝐎𝐒𝐘𝐒𝐓𝐄𝐌 Frontend Suite: React, Next.js, TypeScript, Tailwind CSS, Vue.js, Angular, Responsive Web Design. Backend Core: Node.js, NestJS, Express.js, PHP, Python, FastAPI, Django. Databases & Caching: PostgreSQL, MongoDB, MySQL, Redis. APIs & Global Integrations: REST APIs, GraphQL, Webhooks, Stripe, PayPal, Twilio, SendGrid. Cloud & DevOps Platform: AWS (Amazon Web Services), Google Cloud, Azure, Docker, Kubernetes, Jenkins, GitHub Actions CI/CD. 🧠 𝐃𝐄𝐄𝐏 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐘 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 AI & SaaS Startups: Rapid MVP development, RAG pipelines, AI chatbots, and predictive analytics tools. FinTech & E-commerce: High-load payment gateways, customized checkout solutions, compliance, and ledger systems. Healthcare & PropTech: Automated workflow systems, secure patient portals, CRM platforms, and real-time data visualization dashboards. Enterprise Automation: Heavy B2B platforms, marketplaces, and cross-platform integrations. ⚡ 𝐇𝐎𝐖 𝐖𝐄 𝐖𝐎𝐑𝐊 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑 Strategic Discovery: As a CTO, I align your business goals, success metrics, and timeline constraints before writing a single line of code. Architecture Blueprinting: We map out the core database schemas, React frontend components, and Node.js / PHP API flows to ensure long-term scalability. Agile Iteration: Backed by the senior engineering powerhouse at Onix-Systems, we deliver high-velocity sprints with predictable, production-ready releases every 2 weeks. DevOps & Launch: Secure deployment across AWS/GCP/Azure with ongoing tech partnership and proactive optimization based on product metrics. Looking for a Senior Full Stack Developer and a Full-Stack Web Development team to turn your complex concept into a world-class, scalable web platform? 𝐋𝐞𝐭’𝐬 𝐜𝐨𝐧𝐧𝐞𝐜𝐭! Send over your project brief, scope, or existing codebase notes, and I’ll provide a high-level strategic roadmap for your next big launch. ☎️
Onix-Systems, LLC
Associated with
Onix-Systems, LLC
$30M+
earned
Satnam S.
$12/hr
100% Job Success
Available now
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🏆 Top Rated Shopify Developer | Shopify Plus Expert | Custom Themes, Apps & CRO Looking for a Shopify expert who can build, customize, and optimize your store to increase sales? I help eCommerce brands, startups, and established businesses create high-converting Shopify stores that are fast, scalable, and designed for growth. With 10+ years of experience and 170+ successful Shopify projects completed, I deliver solutions that improve user experience, boost conversions, and support long-term business success. My Shopify Expertise: ✅ Shopify Store Setup & Configuration ✅ Shopify 2.0 & Shopify Plus Development ✅ Custom Shopify Theme Development ✅ Shopify Theme Customization (Free & Premium Themes) ✅ Shopify App Development (Public & Private Apps) ✅ Shopify API & Third-Party Integrations ✅ Shopify Speed & Performance Optimization ✅ Conversion Rate Optimization (CRO) ✅ Shopify Store Migration (WooCommerce, Magento, BigCommerce, Wix) ✅ Figma, Adobe XD & PSD to Shopify ✅ Landing Pages & Product Page Customization ✅ Shopify Subscription Setup (Recharge, Bold, Skio) ✅ Shopify Store Maintenance & Technical Support Technical Skills: • Shopify Liquid • JavaScript, jQuery • React.js, Node.js • PHP, Laravel • HTML5, CSS3, Tailwind CSS • REST & GraphQL APIs • Shopify Storefront API • Git & Version Control Why Clients Work With Me: ✔ 170+ Shopify Projects Successfully Delivered ✔ 10+ Years of Web Development Experience ✔ Shopify Plus & Advanced Customization Specialist ✔ Mobile-First & Conversion-Focused Development ✔ Clean, Scalable & Maintainable Code ✔ Fast Communication & Reliable Delivery ✔ Long-Term Support & Maintenance I can help you with: 🔹 Building a new Shopify store from scratch 🔹 Redesigning an existing Shopify store 🔹 Custom theme development and customization 🔹 Shopify app development and integrations 🔹 Store speed optimization and performance improvements 🔹 Shopify Plus custom solutions 🔹 Ongoing maintenance and technical support Whether you need a complete Shopify store, custom functionality, advanced integrations, or conversion-focused improvements, I can help you achieve your business goals. 📩 Send me an invitation, and let's discuss how we can grow your Shopify business. Keywords: Shopify Developer | Shopify Expert | Shopify Plus Developer | Shopify Designer | Shopify Store Development | Shopify Theme Developer | Shopify App Developer | Shopify Customization | Shopify Liquid Expert | Shopify Speed Optimization | Shopify API Integration | Figma to Shopify | Ecommerce Developer
Satnam S. has worked .
Gaurav G.
$15/hr
100% Job Success
$200K+ earned
Available now
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I help startups and product teams build, fix, and scale mobile apps (iOS, Android, and Flutter), including apps with AI-powered features—ensuring stability, performance, and long-term reliability. With 7+ years of experience and 50+ apps delivered, I’ve worked on production apps used by real users where performance, stability, and user experience directly impact business outcomes. Clients usually come to me when: • Their app is crashing, slow, or unstable in production • Payment flows or API integrations are failing • New features are breaking existing functionality • They need to scale an app without compromising performance • AI features (chat, automation, recommendations) need to be integrated or fixed • Legacy code needs safe refactoring and long-term maintainability What I deliver: • Stable, high-performance mobile apps ready for real users • Clean, scalable architecture for long-term growth • Reliable API and payment integrations • Smooth App Store & Play Store submission and updates • AI-powered features integrated into mobile apps (chat, automation, smart workflows) My expertise includes: • Native iOS (Swift, Objective-C) & Android (Kotlin, Java) • Cross-platform apps using Flutter & React Native • AI integrations and backend-driven intelligent features • Debugging crashes, ANRs, memory leaks, and performance issues • Refactoring legacy code and improving app architecture • Backend integration using Python (Django, Flask, FastAPI), Java, and Node How I work: • I solve root problems, not temporary fixes • I prioritize stability before adding new features • I write clean, maintainable, and scalable code • I leverage modern AI tools to speed up development and debugging without compromising quality • I communicate clearly and ensure timely delivery CTA: If you're building a new app or facing crashes, performance issues, or scaling challenges, send me a message with your app details. I’ll review your requirements and suggest the best way to move forward quickly and safely.
Gaurav G. has worked .
OnGraph Technologies Private Limited
Associated with
OnGraph Technologies Private Limited
$10M+
earned
Hardik G.
$14.8/hr
100% Job Success
$10K+ earned
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📱 Need more than just a coder? I take full ownership. I’m Hardik Gajera, a Senior Mobile Architect with 8+ years of experience. I don't just write code; I handle the entire product lifecycle, from designing intuitive UI/UX to building scalable backends and launching your app to the stores. My focus is simple: building pixel-perfect apps that are stable, scalable, and ready for growth. 🚀 My Core Services 📱 Mobile App Development I build high-performance apps using Flutter (Cross-platform) and Native iOS/Android, with a strong focus on clean architecture and real-world usability. ⚙️ Backend Engineering I design secure, well-structured backends using Node.js, Express, and PHP. I ensure your API supports growth and long-term maintainability. 🎨 UI/UX Design I create high-fidelity prototypes in Figma/Adobe XD that translate smoothly into production code. 🤝 Consultation & Strategy I help teams validate ideas, review code, and plan MVPs with clear technical direction to minimize risk. 🛠 Technical Expertise & Tools Mobile Frameworks: Flutter (Dart), Native iOS (Swift, SwiftUI), Native Android (Kotlin, Jetpack Compose). Architecture Patterns: MVVM, Clean Architecture, BLoC, Provider, Riverpod, GetX. Backend & Cloud: Node.js, Express, PHP, AWS, DigitalOcean, Firebase (Auth, Firestore, Functions). Database: MongoDB, MySQL, SQLite, Realm, Room. DevOps & CI/CD: Bitrise, Codemagic, Git, GitHub, GitLab, Jira. 🧩 Advanced Features & Integrations 💳 Payments: Stripe, Apple Pay, Google Pay, In-App Purchases (IAP). 📍 Maps & Location: Google Maps, Mapbox, Geofencing, Places API. 📊 Analytics: Firebase, Google Analytics, Appsflyer, Branch.io (Deep Linking). 🎥 Media & Social: ExoPlayer, WebSocket, Push Notifications, Social Login. 🤖 Advanced Tech: ARKit (Augmented Reality), ML Kit, GraphQL. 🔄 How I Execute (The Workflow) Requirement Analysis: I translate your business goals into technical specs. Architecture Design: I implement scalable patterns (MVVM/Clean) so the app grows without breaking. Development: Pixel-perfect UI implementation with robust backend logic. CI/CD & Launch: Automated testing and deployment for stress-free releases. 🌍 Industry Experience ✅ On-Demand: Transport, Food Delivery, Real Estate, Booking. ✅ FinTech: Banking, Crypto, Financial Dashboards. ✅ Social & Media: Live Streaming, Dating Apps, Social Networking. ✅ Enterprise: HR Management, Admin Panels, Chatbots. 🏆 Why Clients Trust Me Performance Focused: I optimize for memory usage, battery life, and speed. Independent: I require minimal supervision. I take ownership of the module or project. Mentor Mindset: I write clean, documented code that is easy for other developers to maintain. ❓ Frequently Asked Questions Q: Can you provide maintenance after development? A: Yes, I provide free maintenance for 2 months after launch to ensure stability. Q: Can you help with Mobile App Design? A: Yes, I offer UI/UX design as an additional service using Figma. Q: Can you build a landing page for my app? A: Yes, I can build a conversion-focused landing page for your mobile product. 💡 P.S. Even if you don’t hire me today, save my profile. Quality mobile architects are hard to find when you're in a pinch! ------------------------------------------------------------------------------------------------------------------- Mobile App Development | Mobile App Developer | Flutter App | Flutter Developer | Flutter Supabase | Flutter Dart | Flutter App Developer | App Developer | Mobile Developer | React Native | React Native Mobile App Development | Mobile App Builder | Flutter App Developer | Flutter Laravel | Mobile App Development | Mobile App Developer | Flutter App | Flutter Developer | AI Speech-to-Text | AI powered | ChatGPT Prompt | API | MVP| Startup Company | Artificial Intelligence | Health Coaching | Health | Business Applications Development | Apple Watch | Asset Management | App MarketplaceMobile UI/UX Design, Mobile App UI/UX Design, Mobile UX/UI Design, and Web App UI/UX Design, including layout, interface design, and user experience design. UI UX Designer experienced in UI/UX, UX/UI, UI redesign, and graphical user interface design for mobile apps, web apps, dashboards, and landing pages. Skilled in wireframes, UX wireframes, user flow, storyboarding, mockups
Hardik G. has worked .
Hetvi S.
$20/hr
100% Job Success
$60K+ earned
Available now
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**𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐭𝐨 𝐦𝐲 𝐩𝐫𝐨𝐟𝐢𝐥𝐞** ✅𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐩𝐫𝐨𝐟𝐢𝐥𝐞 ✅ $𝟒𝟎𝐊+ 𝐄𝐚𝐫𝐧𝐞𝐝 | 1𝗠+ 𝗔𝗽𝗽 𝗗𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀 🚀 ✅ 𝗧𝗼𝗽 𝟭% 𝗨𝗽𝘄𝗼𝗿𝗸 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 I help startups, founders, and enterprises build world-class Mobile apps and Websites that drive millions of downloads, secure investor funding, and scale globally. If you are searching for an expert mobile app or website developer who can take your idea from concept to launch, you are in the right place. 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓 𝐓𝐑𝐔𝐒𝐓 𝐌𝐄- 👉TOP RATED PROFILE 👉7+ YEARS OF REAL WORLD EXPERIENCE 👉MOBILE DOWNLOADS 1M+ 👉WORKED ON 100+ MOBILE APPLICATIONS. 👉CAN WORK INDEPENDENTLY AND WITH GLOBAL TEAM AS WELL. 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗝𝗼𝗶𝗻 𝟮𝟬𝟬+ 𝗦𝗮𝘁𝗶𝘀𝗳𝗶𝗲𝗱 𝗖𝗹𝗶𝗲𝗻𝘁𝘀? Click on the 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 or 𝗜𝗻𝘃𝗶𝘁𝗲 𝘁𝗼 𝗝𝗼𝗯 button on top-right corner and i am Immediately available to work. 🤝 𝐀𝐛𝐨𝐮𝐭 𝐌𝐞 I have professional experience of over 5+ years with the latest and most effective technologies. The main stack of technologies I specialize in is React,Node,Vue and React Native frameworks/libraries based on these languages. 📌𝐌𝐚𝐢𝐧 𝐒𝐭𝐚𝐜𝐤: React, React Native,Vue, node, Expo, Angular, styled-components, material-UI, Ant-design, NativeBase.io, react-spring, Apollo client, GraphQL, Redux (Redux Saga, Redux Thunk), TypeScript, Javascript, BEM, SASS, Webpack... 🚀𝐌𝐲 𝐩𝐫𝐢𝐦𝐚𝐫𝐲 𝐬𝐤𝐢𝐥𝐥𝐬: ✔ HTML5, CSS3 with LESS/SCSS/SASS, SVG, Canvas, animation ✔ UI/UX, responsive web ✔ Material-UI, Bootstrap ✔ JavaScript (ES5/ES6/ES7+) ✔ React, Redux, RxJS, MobX, Thunk, Saga ✔ Next js, Vue, Nuxt.js, ✔ Jenkins, CI/CD properties ✔ Node.js, Express, PostgreSQL, MongoDB, Firebase ✔ React Native ✔ Google Maps, Mapbox ✔ Testing: Jest, Puppeteer, TDD ✔ Webpack, Gulp, npm, yarn, etc... Experienced in building complex Front-End, apps with React,Vue and React Native, single-page web applications using a MERN &MEVN stack. As a full-time freelancer, I can work 40+ hours per week. Also, I have deep knowledge and skills in developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features. So, Let's build together an amazing project. 🌟
Hetvi S. has worked .
DI Solutions | Top-Rated Agency |  100% Success Score | 1000+ Success Stories |  AI Solutions | Website | Mobile Apps | SaaS
Associated with
DI Solutions | Top-Rated Agency | 100% Success Score | 1000+ Success Stories | AI Solutions | Website | Mobile Apps | SaaS
Shubham N.
$20/hr
100% Job Success
Available now
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✅ 12+ years in iOS Development 🏆 100% Job Success | $200k+ earned on Upwork I help businesses build and scale mobile apps that stay fast, stable, and reliable as they grow. Many apps start facing issues after launch, slow performance, crashes, and messy code. In most cases, the problem isn’t just development, it’s architecture. I focus on building and fixing systems that scale cleanly from day one. I personally lead every project from planning to delivery. For larger scope, I work with my in-house team of 25+ developers across iOS, Android, Web, QA, and DevOps. You get a single point of contact with full execution behind it. 🚀 What I can help you with: ✅ iOS App Development (Swift, SwiftUI, UIKit) ✅ MVP to Scalable Product Development ✅ Fixing and Scaling Existing Apps ✅ Clean Architecture (MVVM, MVC) & Code Refactoring ✅ Performance Optimization & Stability ⚙️ Core Development & Features: ✔ Local database (Core Data, SQLite), offline sync ✔ API integration (REST, GraphQL) ✔ Authentication (Apple, Google, OAuth, JWT) ✔ Push notifications (APNs, Firebase) ✔ Background tasks & lifecycle handling ✔ Secure data handling & performance tuning 🔥 Advanced Integrations: ✔ AI integrations (OpenAI, ChatGPT features) ✔ Payments (Apple Pay, Stripe, in-app purchases, subscriptions) ✔ Location services (GPS, MapKit, Google Maps) ✔ Real-time chat & messaging (Firebase, WebSockets) ✔ Analytics (Firebase, Mixpanel) ✔ Media handling (image/video upload, streaming) 🏢 Proven Work: ⭐ Built and maintained a production system running across 150+ stores for Red Swan Pizza 🔗 Extended Capabilities: ✔ Backend coordination (Node.js, Firebase, AWS) ✔ Android development support via team (Kotlin, Jetpack, Room) ✔ Scalable system design for long-term growth If you're building a new app or scaling an existing one, I can help you choose the right technical direction and avoid costly mistakes early. 👉 Feel free to message me. Happy to review your app or idea before we start.
Shubham N. has worked .
Daniel R.
$49/hr
100% Job Success
$300K+ earned
Available now
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🥇 I am the best tech partner because I don’t do it for the money, I actually care about you, the product, and our joint success that is why I only take on a few projects per year. ⭐️ I have 10+ years of startup experience taking products from 0 to tens of thousands of users. I have been featured by the App Store, Cosmopolitan, Elite Daily, and E-News. 🌎 My goal nowadays is to partner with passionate founders who have niche ideas that can potentially change the world. 🚀 I have the product experience to execute your great idea properly, and ensure we take the right steps to scale, hit KPI's. and raise money (if needed). How do you and I get to our first 100k users? My proven process. 🧠 When you work with me, I will bring out your most creative thinking to take advantage of your niche knowledge, and follow our sound work process. It’s not about how we can fit 100 features into the first version. It’s how we can get the biggest value to your ideal user with them using the least amount of brain energy. We will build a product that is easy to use, looks great, and has a clear scalable strategy in mind. I can work solo on specialized projects, or can work with my team on the following projects: ✔ iPhone & Android - Native or Hybrid - React Native, Flutter, Swift, Kotlin, Java ✔ Custom Web Apps - AngularJS, ReactJS, Javascript, Python, NodeJS, PHP, Django, Laravel, Ruby on Rails. ✔ 3rd Party Builders - Shopify, Wordpress, Magento, WooCommerce, BigCommerce ✔ Google Chrome Plugins 🔐 All the work I make for you is 100% under your ownership/IP. Also, I am so confident that my team and I are better than 99% of our competitors, that is why we offer a 100% money back and project delivery guarantee. Send me a message now so we can build something that shakes up this crazy world! 🤝⚡️🌎
Daniel R. has worked .
Akhilesh M.
$15/hr
100% Job Success
$100K+ earned
Available now
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Hi, I'm a senior full-stack mobile app developer with over 12 years of experience, I'm designing, developing, and delivering innovative, problem-solving mobile apps for the past 13 years. I have been the lead engineer and driving force behind apps that have shaped industries such as social networking, healthcare, sports, e-commerce, events, e-learning, and more. My expertise lies in designing functional rich, user-friendly mobile interfaces that enhance experience and drive user engagement. I'm highly skilled in Android, iOS, React Native, Flutter, React, Python, Node.js, AI/ML, ChatGPT APIs, AI model fine-tuning, PostgreSQL, MySQL, MongoDB, and more. My skills include: ✅ Mobile App Development: Android Development: Expertise in Android Studio, Gradle, Android SDK, Material Design, and Jetpack components. iOS Development: Proficiency in Xcode, Cocoa Touch, UIKit, SwiftUI, and Core Data. Backend Integration: Solid understanding of RESTful APIs, GraphQL, and Firebase for seamless integration of app functionalities with server-side components. Agile Methodologies: Experience working in Scrum and Kanban frameworks. Continuous Integration and Deployment (CI/CD): Familiarity with tools like Jenkins, Travis CI, and Fastlane. Testing: Proficiency in unit testing, UI testing, and automation testing using frameworks like JUnit, Espresso, XCTest, and Appium. UI/UX Design: Skilled in designing user interfaces that ensure seamless navigation and intuitive user experience. 🟩 Mobile App Frameworks Expertise: 🟢 React Native: Building cross-platform mobile applications with code reusability. Implementing robust state management solutions using Redux, MobX, and the Context API. Writing clean, modular, and efficient code using JavaScript (ES6+) and TypeScript. Implementing offline-first strategies and integrating push notifications and deep linking. 🟢 Flutter: Utilizing core components like StatelessWidget, StatefulWidget, and InheritedWidget. Leveraging Dart extensions and implementing sound null safety. Creating custom UI elements and animations using Flutter's CustomPaint widget. Using platform channels and method channels for seamless communication between Dart and native platform code. Implementing internationalization and localization for supporting multiple languages. ✅ Full Stack Development: My expertise includes: Node.js, Python, PHP and JavaScript, Django, Typescript, Javascript, Next.js, React.s,Angular, etc. CMS Platforms: Extensive experience with WordPress. Specialize in custom themes, plugins, and performance optimization. Server Management: Skilled in managing servers with technologies like Apache, Nginx, Amazon Linux, Unix, PHP-fpm, CentOS, and Ubuntu. Socket Programming: Expertise in real-time applications using Node.js and Redis. Cloud Services: Proficient in deploying applications on AWS services for high scalability and reliability. ✅ AI/ML Expertise: My areas of expertise include: Transformer Models: Experience with BERT, GPT, T5, and building AI chatbots leveraging ChatGPT. Programming Languages: Highly skilled in Python, R, TensorFlow, Keras, PyTorch, and Scikit-learn. Cloud Platforms: Extensive experience with AWS (SageMaker, EC2, S3), GCP (AI Platform, Dataflow), and Azure (ML Studio, Databricks). Machine Learning Algorithms: Proficient in SVM, Decision Trees, Random Forests, Gradient Boosting, K-Means, DBSCAN, PCA, ICA, and Q-Learning. Natural Language Processing (NLP): Skills include Tokenization, POS Tagging, Dependency Parsing, Named Entity Recognition, Sentiment Analysis, and Seq2Seq models. Deep Learning Architectures: Expertise in CNNs, RNNs, LSTMs, GRUs, GANs, Autoencoders, and Attention Mechanisms. Computer Vision: Experience in Object Detection, Image Segmentation, OCR, Facial Recognition, and Style Transfer. Time Series Analysis: Proficient with ARIMA, SARIMA, GARCH, and Prophet. Data Science Techniques: Skilled in Supervised Learning, Unsupervised Learning, Semi-Supervised Learning, Reinforcement Learning, Transfer Learning, and Active Learning. Big Data Analytics: Experience with Hadoop, Spark, and Dask for distributed and parallel computing. Data Visualization: Proficient with Matplotlib, Seaborn, Plotly, and D3.js. My analytical and problem-solving abilities, combined with effective communication skills, enable me to collaborate seamlessly with interdisciplinary teams and clients. I use my skills to design and develop complex app ideas into user-friendly intuitive interfaces that direct user engagement. I'm looking forward to having a short discussion with you. Warm Regards, Akhilesh
Akhilesh M. has worked .