Hire the Best NFC Freelancers
in India

🏆✅ On-Time Delivery | ✅🏆Blockchain Solutions | IOT Robotics | ROS2 | Nvidia Jetson | Edge Expert | ESP32 🏆✅ | 🏆✅ Expert in Mobile, AI/ML, Web & 🏆 😇5M++ Users | AI Security Expert 💬 “Understood the requirements clearly, delivered ahead of schedule, and maintained strong security practices throughout.” 🧠 “Give me a straightforward plan and I’ll start work ASAP !” 🚀 About Me I’m a seasoned software engineer with 8+ years of global experience 🚀 delivering high-impact solutions across mobile apps, AI/ML, blockchain, desktop tools, and scalable web platforms. I specialize in building robust, secure, and performance-optimized applications — from idea to production. 🏆My portfolio includes successful deployments in: • 📹 Corporate Video Conferencing Platforms • 📺 Live Streaming & Media Broadcasting Solutions • 🧠 AI/ML Applications (Object Detection, Image/Video Generation, Face Swapping, etc.) • 🌐 Modern Web & Desktop Apps • 🔗 Blockchain, Cryptocurrency, and Decentralized Identity Projects • 🛰️ IoT Integrations 💼 What I Can Do For You • ✅ Build applications from scratch with clean, scalable architecture • 🛠️ Debug and modernize legacy apps, regardless of the tech stack • ⚙️ Set up CI/CD pipelines, server architecture, DevOps workflows • 🔒 Develop with security-first and performance-focused mindset • 🧾 Provide startup consulting and business-aligned software delivery 🎓 Education & Business Acumen With a B.Tech in Computer Science and deep consulting experience in the automobile industry, I bring a unique mix of technical and strategic thinking. I also mentor and support startups in bringing innovative ideas to market. 🌍 Why Clients Love Working With Me ✅ Excellent communication ✅ Reliable delivery — always on time ✅ Security-focused development ✅ Professional, honest, and easy to work with ✅ Proven success in diverse industries 📩 Let’s connect — I’m excited to help turn your vision into a powerful, working solution.

🥇I have over 12 years of expertise in IoT and Mobile application development, I bring a powerful combination of technical skills and hands-on experience to deliver exceptional, scalable solutions tailored to your needs. 🌟 Mobile Application Development 🌟 I excel in crafting high-performance Android applications for businesses of all sizes, leveraging advanced frameworks and modern tools: ✅ Languages & Architectures: Proficient in Dart, Java and Kotlin, with mastery of design patterns like Clean Architecture, MVP, MVI, and MVVM. ✅ Frameworks & Tools: Specialized in Flutter, Android Jetpack components, API integration using Retrofit and Ktor, dependency injection with Hilt, Dagger 2, and Koin. ✅ Asynchronous Programming: Expert in reactive programming with RxJava, Kotlin Coroutines, and Flow for building seamless, scalable apps. ✅ Cross-Platform Development: Extensive experience with Flutter and React Native, ensuring efficient and cost-effective development. 🌟 IoT Development & Embedded Systems 🌟 I bring cutting-edge expertise in IoT and embedded systems, delivering innovative solutions across diverse domains: ✅ Hardware Mastery: Proficient in custom embedded board design, multilayer PCB layouts, and integration with sensors and modules for smart devices. ✅ IoT Solutions: Experienced in developing solutions for home automation, industrial automation, robotics, smart dustbins, water level detectors, and smart streetlights. ✅ Cloud & Connectivity: Deep knowledge of Azure IoT, AWS IoT, Event Hub, and seamless app integration with IoT ecosystems. Technical Proficiencies: ✅ Mobile Development: Android (Native, Kotlin, Flutter), iOS (Swift). ✅ IoT & Embedded Systems: Board design, hardware integration, and IoT platforms. ✅ Programming Languages: Kotlin, Java, Dart, Swift, C/C++. Why Work With Me? ✅ End-to-End Expertise: Skilled in every phase of development, from wireframing to deployment, ensuring smooth publication on Google Play and App Store. ✅ Round-the-Clock Support: Available for 12+ hours daily with 24/7 support, including weekends and holidays. ✅ Flexible Engagement Models: Adaptable to fixed-price and hourly models, with quick response times and transparent communication. With a proven track record in Android IoT solutions and mobile app development, I am committed to turning your ideas into reality with unmatched precision and dedication. 🚀 Let’s collaborate to create technology that sets your project apart.

I build complete business systems - mobile apps, backend APIs, and admin dashboards that handle real operations, payments, and scale. From POS systems to SaaS platforms, I turn ideas into production-ready products. What I build: • Mobile apps (Flutter, cross-platform iOS & Android) • Admin panels & dashboards • Backend APIs & business logic • POS systems (Sunmi, iMin, NFC, printers) • Real-time systems (orders, payments, tracking) I specialize in systems that actually work in real-world conditions: • Offline-first POS apps • Payment integrations • Inventory & reporting systems • Scalable backend architecture Why clients choose me: • I think like a product owner, not just a developer • I build complete systems (app + backend + admin panel) • I focus on performance, reliability, and scalability Recent work includes: • POS system with NFC payments + admin dashboard • On-demand service app with booking, payments & tracking • Social app with feeds, chat & map-based features If you're planning a serious product or scaling an existing system, let’s discuss your idea.

With over 18 years of experience, I am a seasoned professional in embedded and IoT product development. My expertise spans sensor-based solutions, audio algorithm development, and cloud-based SaaS solutions using AWS, GCP, and Azure. I also have extensive experience with mobile applications, including BLE apps / hardware integration over BLE developed with Flutter, ReactNative, SwiftUI, Kotlin (native development ) too. I began my career as an Audio DSP firmware engineer, specializing in digital signal processing algorithms and filter design for multichannel audio decoders and encoders, building and optimizing them for multiple DSP chipsets. This foundation led me to technical leadership roles within offshore development centers and eventually into leading product development in IoT startups. Of late, I've focused on developing analytical solutions in the smart home, Industry 4.0, and health tech sectors using nRF52, STM32 and ESP32. My key contributions include solution architecting and algorithm design for these cutting-edge applications, including BLE-powered medical device solutions. I am a process-oriented professional with deep knowledge in audio compression, data encoding, DSP Filters and post-processing algorithms. My core technical skills include: - Proficiency in C, C++, Python and Assembly programming for optimizing algorithms on resource-constrained embedded platforms. I'm also well-versed in golang and node.js. - Designing and building cloud-based analytical IoT solutions for enterprise energy management, leveraging multiple services across AWS ( including AWS IoT Core, AWS Greengrass ), GCP, and IBM Cloud. - Extensive knowledge of the BLE stack, having developed mobile applications for diverse IoT solutions and BLE-based medical devices. - Hands on experience with all BLE profiles - LE Coded PHY, 1M, indoor positioning using Beacons, AoA etc. - Experience with MQTT-based solutions, including hardware - firmware integration, integration of the solution with custom cloud platforms and GCP / AWS IoT Core. - Experience building multiple medtech / healthcare solutions - involving hardware / firmware / mobile application integrated over Bluetooth ( BLE ) and cloud applications adhering to HIPAA. Also worked with FDA / 510(k) compliance processes. - Proficiency in LoRa technology, having built embedded applications for IoT solutions primarily using LoRa EU and US frequencies. My background in developing regulated medical devices and health tech solutions makes me the ideal candidate for your project. I have extensive experience architecting and implementing secure, HIPAA-compliant solutions that integrate hardware, firmware, and mobile applications over BLE. I've successfully navigated the complexities of FDA and 510(k) compliance processes, ensuring not only technical excellence but also regulatory adherence. My skills include developing robust BLE-based medical device solutions, building analytical cloud platforms, and optimizing firmware for performance and reliability. I can offer both the deep technical skills and the critical regulatory knowledge required to bring your innovative medical product to market safely and effectively. As a specialist in wireless communication protocols for IoT, I can provide the targeted expertise you need for your project. My extensive hands-on experience with the entire BLE stack—including AoA, LE Coded PHY, and indoor positioning with Beacons—allows me to tackle even the most complex integration challenges. I've developed numerous mobile applications that seamlessly integrate with BLE hardware, ensuring a smooth and reliable user experience. I am also highly proficient in LoRa technology, having built complete embedded applications for EU and US frequencies. Whether you need to optimize a high-performance BLE application or build a long-range LoRa network, I have the in-depth knowledge to deliver a top-tier solution. As you can see, I have over a decade of experience in leadership roles, having led cross-functional offshore teams, including managing groups of 20 or more engineers and QA professionals. I'm eager to take up the next Upwork project and contribute my skills / experience to a highly competitive team.

✅ 12+ Years in Mobile Development 🏆 Top Rated | Kotlin, iOS, SDKs, BLE, VoIP & System-Level Android Apps I help businesses build stable, production-ready Android/iOS applications designed for long-term reliability, scalability, and real-world usage. Over the last 12+ years, I’ve worked on Android/iOS apps ranging from consumer products to enterprise systems, including VoIP platforms, Android SDKs, BLE integrations, location tracking systems, streaming apps, and custom Android OS-level features. My focus is building and maintaining Android/iOS systems that remain stable, maintainable, and performant over time. 🚀 What I can help you with: ✅ Native Mobile App Development (Kotlin & iOS) ✅ Android SDK Development & Integration ✅ BLE (Bluetooth Low Energy) Applications ✅ VoIP, Audio/Video Calling & Streaming Apps ✅ Background Services & Foreground Services ✅ Existing App Maintenance & Bug Fixing ✅ Play Store Release & Compliance ✅ Performance Optimization & Stability Improvements ✅ Custom Android OS / System-Level Features ✅ Long-Term Product Development & Support ⚙️ Core Android Expertise: ✔ Jetpack Compose & Modern Android Architecture ✔ MVVM, Clean Architecture & Modular Codebases ✔ Firebase, Firestore & Realtime Systems ✔ REST APIs, WebSockets & SignalR ✔ Google Maps & Real-Time Location Tracking ✔ Media Streaming & Real-Time Communication ✔ Offline Storage & Sync Solutions ✔ Push Notifications & Background Processing ✔ In-App Purchases & Subscription Systems ✔ Kiosk Mode & Device Management 🔥 Specialized Experience: ✔ Android SDK development used across multiple applications ✔ BLE communication & external device integrations ✔ WebRTC, Twilio & Linphone integrations ✔ Enterprise Android systems with long-term maintenance ✔ Performance-critical and reliability-focused Android apps 🏢 Some Projects & Domains Worked On: ✔ Spirit Airlines ✔ Santander UK ✔ Plickers ✔ Ringplan VoIP ✔ Tracking & Logistics Applications ✔ Enterprise Cargo & Retail Systems I personally oversee projects from architecture to final delivery. For larger engagements, I collaborate with my in-house team of 25+ developers across Android, iOS, Flutter, backend, QA, web, and DevOps - giving clients a single point of contact backed by complete execution support. If you're building a new Android/iOS product, scaling an existing app, or solving complex Android/iOS issues, feel free to message me. Happy to review your app or requirements before we start.

Holding a Rich experience in NFC, RFID & Bluetooth integrated solution. I have a skilled team in Device integration in Android, iOS & Desktop application Rich 20+ years of experience in IT organization. Mentor & Certified Scrum Master Solution Provided for Customers: 1. Unique Product Authentication 2. Know Your Customer - Mobile app by Scanning NFC Passports 3. Enterprise Software for Healthcare Industry with collecting information from Medical Device. 4. Inventory Tracking System using RFID / NFC 5. Employee Tracking using Passive & Active RFID 6. Event Management System using NFC 7. Digital Business Card Experienced in Integrating Mobile App (Android / iOS) with major NFC IC's 1. NTAG424 DNA & NTAG424 DNA Tag Tamper 2. NTAG213 / 215 / 216 3. DESFire Module M890 4. Mifare Classic 1K / 4K / 8K 5. Mifare DESFire EV1 / DESFire EV2 6. Mifare Ultralight & Ultralight C 7. M24LR04E-RDW6T/2 8. NFC-TAG-MN63Y1213_2020 Experienced in NFC & Bluetooth connectivity Readers : 1. ACR122U USB reader 2. ACR 1255U-J1 Bluetooth NFC Reader 3. ACR1311U-N2 Bluetooth NFC Reader RFID Device Integration with Cloud via MQTT: 1. [Passive RFID] 4 Port & 2 Port UHF RFID Fixed Reader 2. [Passive RFID] C72 Handheld UHF Reader 3. [Passive RFID] Sanray UHF RFID Integrated Handheld Reader F5009-H 4. [Active RFID] Sanray Active RFID Fixed Reader 5. [Passive RFID] UHF RFID Tag Printer Build applications using RFID UHF Tags: 1. Smartrac R6 DogBone RFID Wet Inlay (Monza R6) 2. Vulcan RFID Foam Backed Wristband (Monza R6) 3. Confidex Carrier Tough Slim RFID Tag (Monza 4QT) 4. Zebra UHF RFID Cards 5. Omni-ID Adept 650P RFID Cards 6. Triathlon Race Timing UHF RFID Sample Tags Expert Consultation in NFC, RFID & Bluetooth - Mobile App Development - iOS & Android - Mobile App Development - Native (Android - Java & Kotlin, iOS - Swift) & Flutter - Mobile App integration with PCB Boards & External Devices such as Weigh Scale - Server Development - C# Dot Net & Python - Build Interactive Website | Mobile App - UI & UX | Logo Design Proven Track Record - Building complete product for clients - Solution Provider - In Handling and Mentoring teams. Strong engineering & professional skills in Software Development Life Cycle (SDLC), Requirements Analysis, Business Analysis and Solution Architecture.