Hire the Best RFID Programmers
in India

1. Expertise & Experience AI Solutions Architect, Technical Leader, and Senior Full Stack Engineer with **17+ years of experience** delivering enterprise-grade software across desktop, web, cloud, and AI ecosystems. Proven track record of architecting scalable, secure, and business-driven solutions while leading cross-functional teams through the complete product lifecycle—from discovery and solution architecture to deployment and production support. Experienced in collaborating with global clients and executive stakeholders to drive digital transformation, modernize legacy platforms, and accelerate AI adoption. Strong expertise in Agile delivery, CI/CD, DevOps, engineering governance, technical mentoring, and cloud-native architecture with hands-on experience delivering **cloud-agnostic solutions across Microsoft Azure, Amazon Web Services (AWS), and Google Cloud Platform (GCP)**. 2. Technical Skillsets Specialized in **Generative AI, Agentic AI, and Enterprise Software Architecture**, with hands-on expertise in **Python, OpenAI, Azure OpenAI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI Agents, LangChain, FastAPI, AI/ML, Prompt Engineering, n8n, Vapi, and intelligent workflow automation**. Strong Microsoft technology background including **C#, .NET, .NET Core, WPF, MVVM, MAUI, ASP.NET Core, Web API, Microservices, Azure, SQL Server, PostgreSQL, Git, Azure DevOps, CI/CD, GitHub Copilot, and Claude Code**. Experienced in designing secure, scalable, API-first, cloud-native applications deployable across Azure, AWS, and GCP. 3. Representative Projects Architected and delivered **AI-powered enterprise solutions** including Enterprise AI Copilots, RAG-based Knowledge Assistants, Multi-Agent AI platforms, Document Intelligence solutions, and Voice AI assistants that automate complex business workflows and enhance decision-making. Designed intelligent engineering assistants for industrial automation, enabling natural language interaction, configuration generation, and technical knowledge retrieval using LLMs. Successfully delivered multiple enterprise desktop, web, API, and microservices-based platforms integrated with cloud services, modern DevOps practices, and enterprise security standards. Passionate about building production-ready AI systems that combine Generative AI with robust software engineering to deliver measurable business value and long-term scalability.

With over 20 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.

Full time freelancing with Embedded Hardware Design Engineer with 12+ years of experience into Highspeed analog and digital design, PCB , Board bring-up, Test & debug EMC validation, Analog validation, and Design documentation. Microprocessor / FPGA Experience - TI, NXP, Qualcomm, Renesas, Xilinx MPSoC, RFSoC, Versal Premium, and Altera7 FPGA. High-speed memory interfaces—DDR4, LPDDR4, OSPI, EMMC, SD, PCIe4 & 5 Audio and Video Design Experience - LCD, HDMI, Display port, DSI, CSI, McASP 4 layer Flex PCB design. Wearable system design. Wired Connectivity – Ethernet, USB, PCIe, Low Power SIP and soc using Nordic semiconductor DC/DC Power supply design, Battery operated product design experience Experienced in DDR4-2667, GDDR5, HSIO, JESD204, SATA, Gen3, PCIe Gen3, USB 3.0, DDR4-SODIMM, MIPI, QSPI. Power Electronics 30KW. ESP32 , IOT , Power Electronics , Automotive , Raspberry pi 4 , Wireless Communications , Bluetooth. FPGA. Medical. Aerospace, STM32, Nordic chip, Arduino. Tool Expertise : Altium , Kicad , Allegro , Orcad , Ansys HFSS, CST , Easy EDA, Eagle. RF Antenna Simulation and Power Amplifier design.

✦✦ 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.

With 12+ years of experience in mobile application and IoT development, I help startups and businesses transform ideas into scalable, high-performance products. From consumer apps to enterprise IoT solutions, I build reliable software with clean architecture, intuitive UI, and seamless hardware integration. 💡 What I Specialize In I specialize in developing cross-platform and native mobile applications using Flutter, Kotlin, Java, and Swift. My expertise extends beyond mobile development into IoT, enabling me to build complete ecosystems that connect mobile apps with custom hardware, sensors, BLE devices, and cloud platforms. Whether it's a new product, an MVP, or an existing application that needs improvements, I focus on delivering maintainable, production-ready solutions. 🏗️ Core Expertise • Flutter, Android (Kotlin/Java), iOS (Swift) • Clean Architecture, MVVM, MVI, MVP • REST APIs, WebSockets, Firebase, Push Notifications • BLE, Bluetooth, NFC, GPS, Maps, Background Services • Azure IoT, AWS IoT, MQTT, Event Hub • Embedded Systems, PCB Design, Hardware Integration • Performance Optimization, Code Refactoring, App Store & Play Store Deployment 🚀 Projects & Industry Experience I have successfully designed and delivered applications across multiple industries, including: • IoT & Smart Automation • E-commerce & Marketplace • Taxi & Delivery Platforms • Hotel & Restaurant Management • Education & E-learning • Social Media & Real-Time Communication • Healthcare & Utility Applications • Industrial Automation & Robotics My IoT experience includes smart home automation, industrial monitoring systems, smart street lighting, water level monitoring, smart waste management, and custom embedded hardware integrated with mobile applications. ⭐ Why Clients Choose Me I believe in writing clean, scalable code that is easy to maintain and built for long-term success. I communicate proactively, deliver on time, and take ownership throughout the entire development lifecycle—from planning and architecture to deployment and post-launch support. If you're looking for an experienced developer who understands both mobile software and connected hardware, I'd be happy to help bring your project to life. 🚀 Let’s collaborate to create technology that sets your project apart.

💯 100% Job Success | 💲 $80K+ Earned | 70+ Projects Completed ✅ 10+ Years of Embedded Systems Experience ✅ Top Rated Freelancer on Upwork ✅ 100% Job Success Score ✅ $80K+ Earned | 2,600+ Hours Worked ✅ End-to-End Product Development Support ✅ Hardware + Firmware + IoT + Software Team Support I help startups, founders, and businesses design and develop reliable, cost-effective, and production-ready embedded products. My core expertise is in embedded hardware design, PCB design, and firmware development. Since 2013, I have worked on a wide range of products in industrial automation, IoT, wireless systems, energy products, smart devices, and consumer electronics. While hardware is my primary specialization, I also provide embedded software, mobile app, web dashboard, and backend development support through my team of engineers. This allows clients to work with one reliable partner for complete end-to-end product development. ✅ Why Clients Work With Me 10+ years of experience in embedded product development Strong expertise in hardware + firmware co-development Hands-on experience with production-ready PCB design Support from prototype stage to final product Clear communication and practical engineering approach Long-term project support and reliable execution ✅ Core Services Embedded hardware design Schematic design PCB design and layout Firmware development in C Board bring-up and debugging Wireless and IoT product development Prototype to production support Mobile and web applications for connected products ✅ Hardware & PCB Design Expertise 2-layer, 4-layer, and 6-layer PCB design Compact, low-cost, and manufacturable board design Analog and high-speed PCB design Hardware debugging and optimization Product redesign and cost optimization ✅ Embedded Systems & Firmware Expertise Worked with 8-bit, 16-bit, and 32-bit microcontrollers from: Texas Instruments Microchip / Atmel STMicroelectronics NXP Espressif Nordic Semiconductor Strong hands-on experience with: UART I2C SPI ADC / DAC RTC Timers MMC and related interfaces ✅ Wireless Technologies Bluetooth Low Energy (4.0 / 4.2 / 5) Wi-Fi Zigbee MiWi GSM (2G / 3G / 4G) GPS Sub-GHz RF ✅ End-to-End IoT Development Along with hardware and firmware, I also support complete IoT ecosystem development through my team, including: Android and iOS mobile apps Web dashboards Backend / server development Cloud-connected IoT systems ✅ Industries & Solutions I have worked on products related to: Industrial automation IoT and connected devices Smart agriculture Energy and power systems EV charging solutions Fuel / gas dispensing systems Consumer electronics Wireless embedded products Whether you need PCB design, embedded hardware, firmware development, wireless integration, or a complete IoT solution, I can help turn your idea into a reliable working product.