Hello! I’m a versatile mobile app developer with 10+ years of experience building high-quality apps across iOS, Android, and cross-platform environments using .NET MAUI, React Native, and native iOS (SwiftUI/Swift/Objective-C). I’ve worked on end-to-end app development—from UI/UX design and architecture to development, testing, and deployment. My focus is always on creating clean, scalable, and user-friendly mobile experiences that perform reliably across platforms. Key Skills: 1. Cross-platform: .NET MAUI, React Native 2. Native: SwiftUI, Swift, Objective-C, Xcode, UIKit 3. Back-end & APIs: REST, Firebase, .NET integrations 4. Tools & Practices: MVVM, Git, App Store/Play Store deployment 5. AI Integration: I leverage generative AI tools to streamline development, automate repetitive tasks, improve code quality, and enhance overall productivity. I’m highly collaborative, detail-oriented, and always up-to-date with the latest trends in mobile tech. Whether you need a native app or a cross-platform solution, I bring both the technical expertise and creative mindset to deliver results. Let’s connect if you're looking for someone who can transform your app ideas into real, polished products!

Got a mobile app idea or an existing one that feels slow, outdated, or hard to scale? Well, I help founders and businesses turn ideas into fast, scalable, Custom, AI-powered mobile apps and blockchain-enabled solutions built for real users and real growth. 🏆 Top 5% of freelancers - **Top Rated Freelancer** 💎 8+ years of experience - **Senior Mobile Architect** 💡 **How I Can Help You** ____________________ Whether you're starting from scratch or improving an existing product, I focus on building real, production-ready mobile apps - not just prototypes or UI mockups. With 8+ years of experience, I help you build apps that are: - Fast and smooth for real users - Scalable for future growth - Cleanly engineered for long-term maintenance 📲 What You Can Build With Me? __________________________ If you’re thinking about building something like this, I can help with: - Flutter apps for iOS & Android (single codebase) - Native iOS (Swift) & Android (Kotlin/Java) - AI-powered mobile apps (ChatGPT / Gemini integrations) - Blockchain-based applications (Web3, smart contracts, decentralized apps) - On-demand platforms (delivery, taxi, booking systems) - E-commerce & marketplace apps - Social media & chat applications - Healthcare, fitness & fintech apps - MVP development for startups ⚙️ Technical Expertise __________________ I handle both frontend and backend integration: - Firebase (Auth, Firestore, Notifications) - REST APIs & third-party integrations - Payment gateways, maps & chat systems - App performance optimization - Scalable architecture design - Blockchain integrations (where required) - Debugging & production issue fixing 💡What Clients Usually Come To Me For? _________________________________ Most clients reach out when they need: - A mobile app built from scratch - Help scaling an MVP into a real product - AI features added into their app - Blockchain functionality integrated - Fixing performance or stability issues - A reliable developer for long-term support 🎯Who This Is For? ________________ This is a great fit if you are: - A startup founder building a new product - A business upgrading an existing application - A team adding AI or blockchain features - Someone looking for a dependable mobile expert If you're looking to build a high-quality mobile or blockchain-enabled application that works in real-world conditions, feel free to message me and let’s discuss your idea. Let's Talk Soon!

I build 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲, 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻‑𝗿𝗲𝗮𝗱𝘆 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 for iOS and Android. With 8+ years of experience and over 100 shipped apps, I focus on 𝗰𝗹𝗲𝗮𝗻 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴, 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆, and 𝗽𝗿𝗲𝗱𝗶𝗰𝘁𝗮𝗯𝗹𝗲 𝗿𝗲𝘀𝘂𝗹𝘁𝘀. I handle the full development cycle: 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 → 𝗰𝗼𝗱𝗶𝗻𝗴 → 𝘁𝗲𝘀𝘁𝗶𝗻𝗴 → 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 → 𝗺𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲. No guesswork, no fluff — just solid execution. 𝗶𝗢𝗦: Swift, SwiftUI, Objective‑C 𝗔𝗻𝗱𝗿𝗼𝗶𝗱: Kotlin, Java, Jetpack 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: • Firebase & real‑time data sync • Offline‑first architectures • REST APIs & complex integrations • Payment systems & in‑app purchases • Mapping, GPS & location‑based features • Bluetooth & device‑level integrations • Media‑heavy apps, rendering, editing, streaming • Custom UI components & performance‑optimized UI • App Store & Play Store deployment 𝗦𝗲𝗹𝗲𝗰𝘁𝗲𝗱 𝗪𝗼𝗿𝗸: • Multiple apps with more than 1M downloads each • High‑performance wallpaper & media apps • Fintech apps with secure transaction flows • Real‑time chat and streaming applications • Utility and productivity apps with advanced device integration My approach is direct: understand the problem, define the right solution, and deliver without wasting time. If something isn’t feasible, I say it. If there’s a better technical strategy — I push for it. If you need someone who 𝗹𝗼𝘃𝗲𝘀 clean code, takes 𝗼𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽, and delivers consistently — invite me to your job.

I help businesses build AI-first products, scalable SaaS platforms, and modern web/mobile applications using cutting-edge technologies. With 12+ years of experience and long-term client partnerships, I specialize in transforming ideas into production-ready digital products that are fast, scalable, and business-focused. Core Expertise - AI-powered web and mobile applications - Scalable SaaS product development - Intelligent automation systems & workflows - Rapid MVP development to production deployment AI / Generative AI Expertise - LLM-powered applications, copilots, and AI assistants - OpenAI, Claude, Gemini, and custom AI integrations - RAG-based context-aware AI systems - AI agents and workflow orchestration - Prompt engineering, testing, and optimization - Vector databases: Pinecone, Weaviate, FAISS - AI image and video generation integrations Technology Stack - Frontend - Next.js, React.js - TypeScript - Tailwind CSS, ShadCN UI - Mobile - React Native - Flutter - Backend - Node.js (Express.js, NestJS) - Python (FastAPI, Django) - Database & Infrastructure - PostgreSQL, MongoDB - Firebase, Supabase - AWS, GCP, Vercel - Docker, REST APIs, GraphQL Solutions I Build - AI SaaS platforms and automation tools - Custom GPT-style applications - AI-enabled mobile applications - Dashboards, admin panels, and internal systems - Scalable backend architectures and APIs Why Clients Work With Me - Strong track record of repeat business - Product-focused approach with complete ownership - Clear communication and fast execution - Clean, scalable, and maintainable development practices

Turn Your Idea into a Scalable Web or AI Application, Fast. I help startups, entrepreneurs, and businesses transform their ideas into fully functional SaaS platforms, MVPs, and AI-powered web applications. With over a decade of experience in software development, I combine strong engineering fundamentals with AI-assisted development using tools like Replit and Claude to deliver high-quality solutions in weeks rather than months. While my background includes extensive work with ASP.NET and enterprise systems, I now specialize in modern full-stack development using Node.js, React, and cloud-native architectures, enabling rapid and cost-effective product launches. What I Can Build SaaS platforms from scratch AI-powered web applications and chatbots Custom business automation tools Admin dashboards and CRM systems Marketplace and booking platforms RESTful & third-party API integrations Why Clients Choose Me Rapid MVP Development: Launch your product in weeks, not months. AI-Enhanced Productivity: Faster delivery and cost efficiency using Replit and Claude. End-to-End Development: From idea validation to deployment. Scalable Architecture: Built with future growth in mind. Clear Communication & Reliability: Consistent updates and transparent processes. My Development Approach Discovery & Planning – Understanding your business goals. Rapid Prototyping – Building functional MVPs quickly. Iterative Development – Agile and feedback-driven. Deployment & Support – Seamless launch and post-launch assistance. Technologies & Tools Frontend: React, Next.js, Tailwind CSS Backend: Node.js, Express, ASP.NET Core Databases: MongoDB, PostgreSQL, MySQL, SQL Server AI & Automation: Claude AI, OpenAI APIs, Replit Cloud & DevOps: AWS, Azure, Docker, CI/CD Integrations: Stripe, Twilio, Firebase, SendGrid, Google APIs If you're looking for a developer who can translate your vision into a market-ready product, let’s connect and bring your idea to life. Send me a message to discuss your project!

✦✦ Upwork Top Rated Mobile App Developer ✦✦ BLE & IoT Specialist | 12+ Years’ Experience | 40+ 5⭐ Projects 👋 Hi, I’m Bhavik — your partner for Bluetooth, IoT, Beacon, NFC & Smart Device innovation. At the forefront of Bluetooth and IoT innovation, I have a proven track record of transforming complex ideas into cutting-edge mobile and embedded solutions. With over 12+ years in mobile app development and 10+ years specializing in Bluetooth, BLE, NFC, iBeacon, and AIoT technologies, I help businesses build reliable, future-ready applications. My portfolio reflects a relentless pursuit of quality, innovation, and measurable results, and I am recognized among the top Bluetooth developers on Upwork. 🔗 What I Do Best:- ✦ Architect & develop BLE / NFC-powered apps ✦ Build wearable & smartwatch apps (Apple Watch, Wear OS) ✦ Connect IoT devices seamlessly to iOS & Android ✦ Craft cross-platform apps (Flutter, React Native) & native apps (Swift, Kotlin, Objective-C, Java, SwiftUI) ✦ Backend/API with Node.js, React.js for complete product ecosystems ✦ Design & develop modern web applications (React.js, Node.js) 🚀 Industries I Transform:- ✦ Wearables & smart devices ✦ Home automation & connected living ✦ Sports & fitness tech ✦ Health & wellness platforms ✦ Automotive infotainment & in-car apps ✦ Retail, proximity services & marketing tech ✦ OTT & Media Streaming ✦ Custom SDK & API Development 🌟 My Commitment:- Your project deserves more than code — it deserves a partner who understands business impact, user experience, and the technical nuances of Bluetooth and IoT. Whether you’re launching the next-gen wearable, pioneering smart home tech, or creating new ways to connect users, I’m here to bring your vision to life. Let’s connect, innovate, and take your project from concept to success — together.

10+ Years Experience | 12,000+ Upwork Hours | 100% JSS | 300+ Projects Delivered I engineer secure, enterprise-grade Microsoft ecosystems. I specialize in bridging corporate data with modern workflows—transforming legacy infrastructures into intelligent environments using Microsoft 365 Copilot, Azure OpenAI, Semantic Kernel, and advanced AI Agents. If your enterprise needs to automate complex workflows, securely integrate custom AI tools, or modernize legacy systems without risking data leaks, I provide the senior architectural oversight to deliver. 🚀 ENTERPRISE CO-PILOT & AI INTEGRATION • Custom AI Agents: Designing autonomous agent workflows using Copilot, Cursor, and Claude APIs. • Copilot Studio: Building custom plugins connecting Microsoft 365 Copilot to external enterprise databases. • Secure Cloud AI: Deploying custom LLM integrations via Azure OpenAI Service and Semantic Kernel. 🌐 MICROSOFT 365 & GRAPH API ARCHITECTURE • Deep Integrations: Enterprise-wide automations leveraging the Microsoft Graph API (Teams, Outlook, SharePoint). • Modern Office Add-ins: Custom JavaScript/TypeScript Office.js extensions and legacy VSTO development for Excel, Word, and Outlook. • Process Automation: Advanced Power Automate workflow designs and custom connector setups. ☁️ CLOUD BACKEND & IDENTITY SECURITY • .NET Cloud Architecture: High-performance ASP.NET Core APIs and scalable Azure Functions (.NET 8/9). • Enterprise Security: Advanced OAuth2, OpenID Connect, and Microsoft Entra ID (Azure AD) SSO implementations. • Modernization: Migrating legacy .NET Framework applications to cloud-native modern .NET. • Desktop & Cross-Platform: Robust desktop systems engineered via WPF, WinForms, and .NET MAUI. CERTIFICATIONS & TRUSTED CREDENTIALS • Microsoft Certified: Azure Fundamentals (AZ-900) • Microsoft Certified: Azure Data Fundamentals (DP-900) • AWS Certified Developer – Associate I work directly with enterprise stakeholders and technical teams to deliver clean architecture, strict data compliance, and long-term maintainability. Let’s connect to build your next-generation Microsoft ecosystem.

With me, you’re not just hiring a developer, you’re getting a CTO-level engineer who builds software that actually scales and makes money (with proof!). My focus is simple: deliver high-performance, production-ready software that creates real business value, without wasted time or wasted money! If you want transparency, straight answers, and a stress-free development experience, you’ll enjoy working with me. Here’s how I do that: 1- Using AI only where it genuinely reduces cost and speeds delivery (not as a gimmick). 2- Reusing battle-tested code from 12+ years of real-world development, so you’re not paying to reinvent the wheel. 3- I build it right the first time, so they don’t break as users grow ++++++++++++++++++++++++++++++++++++ MY PROCESS (What you can expect from me) ++++++++++++++++++++++++++++++++++++ I follow a clear, efficient process designed to keep projects calm and predictable: a- Deep discovery: Understanding your users, business goals, and constraints b- Thoughtful design: Clean UX/UI that solves real user problems c- Strong engineering: Secure, performant, maintainable code d- Thorough testing & delivery: So launches don’t feel risky Clients value me because I communicate clearly, explain tradeoffs, and don’t disappear once development starts or after development ends. LET'S DISCUSS YOUR PROJECT! If you want help bringing your product to market, improving an existing app, or building something that can actually scale and make money, then by all means... let’s talk. I’m happy to walk through your idea step-by-step with you, identify risks early, and help you make smart technical decisions before you invest more time or money. ++++++++++++++++++++++++++++++++++++ What I Specialize In ++++++++++++++++++++++++++++++++++++ Medical & healthcare applications Fintech & payment systems AI-powered tools and automation Social networks & marketplaces Streaming & content platforms Productivity & workflow tools E-commerce & B2B platforms I work with both consumer-facing products and enterprise / B2B systems. ++++++++++++++++++++++++++++++++++++ Technical Experience ++++++++++++++++++++++++++++++++++++ MOBILE iOS (Swift, Objective-C, WatchOS) Android (Kotlin, Java) React Native, Flutter Web & Backend React, Next.js, Angular Node.js (Express) PHP (Laravel, Symfony, CodeIgniter, Cake) Python DATABASES SQL: MySQL, Postgres, MSSQL, SQLite NoSQL: DynamoDB, MongoDB, Firebase INTEGRATIONS & TOOLS Payments: Stripe, PayPal, Square, Clover, QuickBooks, Aloha Analytics & Monitoring: Sentry, Crashlytics, Mixpanel, GA Mobile & Growth: TestFlight, Branch, AdMob Maps: Google Maps, Mapbox Social APIs: Facebook, TikTok, X (Twitter), LinkedIn, Instagram

I help businesses reduce support costs, automate customer interactions, and capture more leads using AI-powered Voice Agents, WhatsApp Automation, and AI Chatbots. Recent systems I've built include: • AI receptionists that answer phone calls 24/7 • WhatsApp agents that qualify leads automatically • Knowledge-base chatbots trained on company documents (RAG) • Agentic workflows connected to business systems and APIs Built and operating Indexu, a production AI platform serving chat, WhatsApp, and voice AI use cases with support for RAG, tool calling, and business workflow automation. Core capabilities: ✔ AI Chatbots with Knowledge Base (RAG) ✔ WhatsApp Business Automation ✔ Voice AI & AI Receptionists ✔ AI Sales & Lead Qualification Agents ✔ Agentic Workflows & Tool Calling ✔ Backend APIs & Cloud Infrastructure (AWS / GCP) Unlike many AI freelancers, I don't just create demos. I build production-ready systems that integrate with your existing workflows, databases, CRMs, and business applications. With 25+ years of software development experience and Top Rated Plus status on Upwork, I combine deep engineering expertise with practical AI implementation focused on real business outcomes. What I can build for you: • AI Customer Support Agents • Voice AI Receptionists & Phone Automation • WhatsApp AI Assistants • Internal Knowledge Base Chatbots • AI Sales & Lead Qualification Systems • Custom AI Workflows & Business Automation If you're exploring AI for customer support, sales, or operations, send me a message and I'll be happy to discuss your use case and share a live demo.

Overview Senior engineer with 20+ years of hands-on software development experience, including 10+ years in mobile. My main focus is iOS, with additional hands-on work across Android, frontend, backend, desktop systems, and performance-critical code. I work both manually and through AI-assisted development workflows. I use AI to speed up specification, planning, implementation, and iteration, but I stay fully hands-on when architecture, code quality, reliability, legacy code, or low-level control matter. I help build and improve real products across the full delivery chain: iOS apps in Swift / SwiftUI, plus legacy Objective-C / UIKit codebases Android development and cross-platform product work Frontend interfaces and production web UI Backend APIs, integrations, Firebase, REST, WebSockets, and supporting services AI-powered features such as ChatGPT integrations, OCR, image recognition, and on-device ML BLE / hardware integrations, including ESP32 / Arduino-based devices C/C++ components for performance-critical and system-level work My focus is always the same: clean code, reliable architecture, complete functionality, and production-ready delivery across blurred platform boundaries.