Hire the Best Internet of Things Specialists
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Welcome to my profile! I'm an enthusiastic developer with a deep passion for the fascinating world of Deep Learning and AI. With a solid background in building numerous IoT projects utilizing Arduino, Raspberry Pi, NodeMCUs, and more, I possess a strong foundation in creating innovative solutions. My expertise extends to robotics, drones, 3D printing, and hands-on experimentation. I have a natural inclination for constructing unique gadgets that not only entertain but also provide valuable insights into the inner workings of technology. During the Covid pandemic, I garnered recognition for my retrofitting of mini voice amplifiers to masks, which greatly aided voice amplification. This achievement was featured in multiple newspapers and articles. My skill set encompasses fluency in programming languages such as C, C++, Java, and Python, allowing me to develop a wide range of applications and solve complex problems. I take immense pleasure in designing captivating apps and coding programs that address specific needs, all while staying up-to-date with emerging technologies. Additionally, I have honed my proficiency in 3D modeling using Fusion 360, coupled with expertise in 3D printing to create both fun and practical objects. Building exciting projects, from electronic speed controllers to drones and other vehicles, has been a significant part of my IoT journey. If you're seeking a dedicated professional who thrives on purposeful innovation, look no further. Let's collaborate on your IoT projects, application development, or any other technological ventures you have in mind. Together, we can bring your ideas to life and push the boundaries of what's possible.

IoT Solutions Experts | Thingsboard Expert, LoRaWAN & Chirpstack | AI | MQTT | LLM I am an experienced IoT solutions developer with a strong focus on Thingsboard and Chirpstack platforms. With over 12+ years of experience in the IoT industry, I specialize in creating robust, scalable, and efficient IoT solutions that meet the diverse needs of businesses across various sectors. With a focus on crafting scalable IoT architectures and managing backends, I excel in ensuring projects surpass business objectives. My comprehensive background enables seamless integration between cloud development and physical devices, facilitating cohesive operations between firmware/hardware and cloud development teams. Core IoT Services Offered: ✅Design and Implementation of IoT Platforms (PaaS) ✅Tech Stack Evaluation and Selection for Optimized IoT Platforms ✅Strategic Consultancy in IoT for Business Enhancement ✅Development of Cloud-based IoT Solutions specializing in AWS & Azure IoT ✅Advanced Edge Computing, IoT Gateways, and Hybrid Solutions for Seamless Integration ✅End-to-End LoraWAN Solutions for Diverse IoT Applications ✅Data Analytics and Visualization for Effective IoT Data Interpretation ✅Expert Communication and Synchronization with Firmware/Hardware Teams for Efficient Device-Cloud Integrations ✅Audit and Consultancy for IoT Cybersecurity to Ensure Secure IoT Solutions ✅Professional Training on IoT for Skill Enhancement and Knowledge Sharing ✅Intelligent Infrastructure Monitoring ✅AI-based web applications ✅Smart-building Energy monitoring system ✅Full CRUD UI for Database management 🌐 IoT Solutions with LoRaWAN: As a LoRaWAN specialist and chirpstack contributor, I specialize in designing and implementing IoT solutions that leverage the LoRaWAN protocol for long-range communication. From sensor integration to network architecture design, I can help you build reliable and cost-effective IoT systems for various industries. Specialized IoT Platform Expertise: 🌟 Thingsboard – Your Ultimate IoT Solution: ✅Scalable Cloud Deployments: Mastery in deploying both Professional and Community Editions, with an eye for upgrades and scalability. ✅Integration Mastery: Seamless device management and data flow with MQTT, HTTP, LoRaWAN, and major cloud IoT cores. ✅Custom Visualization: Designing insightful, custom dashboards and widgets for comprehensive data analysis. ✅Automation & Efficiency: Crafting complex rule chains for smart, automated decision-making processes. 🌟AWS ✅AWS IoT Core, Device Management, Greengrass, Lambda, Kinesis, QuickSight, SageMaker, EC2, CloudFront, AWS RDS, AWS MSK 🌟Azure: ✅Azure IoT Hub, Device Provisioning Service (DPS), Event Hub, Azure Functions, CosmboDB, PostgreSQL 🌟 Datacake – Simplifying LoRaWAN Monitoring: ✅LoRaWAN Monitoring: Specializing in robust monitoring solutions tailored to your specific needs. 🌟 Home Assistant & Node-Red – Smart Automation & Integration: ✅Smart Home Automation: Leveraging MQTT, Zigbee2MQTT, Zwave for advanced home automation solutions. ✅Custom IoT Workflows: Designing custom integrations and flows in Node-Red for personalized IoT applications. 🌟LoRaWAN and Communication Protocols Expertise: ✅LoRaWAN Deployment & Integration: Expert deployment of LNS servers on the cloud, including Chirpstack and The Things Network, with ongoing support and maintenance. ✅Custom Solutions for Various Industries: Offering tailored decoder scripts and solutions for industries like smart cities, agriculture, and construction. ✅ MQTT (Mosquitto, EMQX, TBMQ, HiveMQ), AMQP ✅Zigbee ✅Zwave 🌟Databases: ✅InfluxDB, PostgreSQL, Cassandra 🌟Data Analytics & Scripting: ✅Powerful Analytics Tools: Utilizing Kafka, AWS Kinesis, Trendz Analytics and Power BI to derive meaningful insights from complex data sets. ✅Python Scripting & Microservices: Building scalable API solutions and microservices with a rich library of tools for IoT integration. 🏆 Why Choose Me? 1. Proven expertise in .NET Core development, LoRaWAN, and ThingsBoard. 2. Strong problem-solving skills and attention to detail. 3. Dedication to delivering high-quality solutions on time and within budget. 4. Excellent communication skills and a collaborative approach to project management. 5. Client satisfaction is my top priority - I'm committed to exceeding your expectations! 6. Custom Solutions: Tailored IoT solutions to meet specific business needs and objectives. 7. End-to-End Support: Comprehensive support from initial consultation through deployment and maintenance. 8. Innovation and Quality: Commitment to delivering high-quality, innovative solutions that drive business growth. I have been an official contributor to chirpstack for the last 10+ years and customize chirpstack for my clients Ready to take your IoT projects to the next level? Let's discuss how I can help you achieve your goals with cutting-edge IoT solutions. Feel free to reach out for a consultation or to view more detailed case studies of my work.

I’m an AI Engineer with 7+ years of experience building, training, and deploying machine learning solutions that solve real business problems. I help clients turn data and product ideas into production-ready AI systems, with a strong focus on LLM applications, chatbot development, predictive modeling, computer vision, and deployment workflows. My core stack includes Python, TensorFlow, PyTorch, Keras, Hugging Face, LangChain, OpenAI API, Llama, Anthropic, Mistral, NumPy, Pandas, and modern MLOps/CI/CD practices. I’ve worked on projects such as customer support chatbots, stock market forecasting tools, face mask detection systems, and AI-powered applications that improve efficiency and user experience. What clients get when working with me: - Clean, scalable AI solutions built for production - Fast implementation with strong engineering practices - Clear communication and reliable delivery - Models and workflows designed for real-world performance Whether you need an LLM-powered assistant, a machine learning model, or help deploying AI into your product, I can help from prototype to production. Let’s discuss your goals and build the right solution.

I am an embedded systems specialist with over 8 years of experience in developing software, firmware, and hardware solutions. I’ve successfully delivered 100+ projects that integrate cutting-edge functionalities—from multi-threading and AI-on-edge to seamless wireless connectivity. ------------------------------ Core Competencies: ➡️ Microcontrollers -- Proficient with TI, STM32, ESP32, ESP8266, Atmega, and a wide range of Arduino boards. ➡️ Frameworks -- Expertise in bare-metal programming, FreeRTOS, STM32Cube, ESP-IDF, Arduino, and PlatformIO. ➡️ Linux -- Experience developing on x86, ARM, and Raspberry Pi systems. ➡️ Electronics -- Skilled in sensor integration, display management, and PCB design. ➡️ Wireless Protocols -- Deep knowledge of Bluetooth Low Energy (BLE), WiFi, Xbee, Zigbee, ESP-Now, LoRa, low-frequency radio, and mesh networking solutions. ➡️ Wired Protocols -- Familiar with SPI, I2C, RS232, RS485, UART, CAN-Bus, and more. ➡️ UI Frameworks -- Proficient in creating graphical interfaces using bare-metal techniques, LVGL, and Qt QML. ➡️ Platform integration -- Experience integrating embedded systems with cloud platforms and IoT solutions such as AWS IoT, Azure, and ThingsBoard, utilizing MQTT, REST, and other gateway protocols. ------------------------------ Project Highlights: ✅ Real-Time Multi-Threading -- Implemented robust solutions using FreeRTOS. ✅ AI-on-Edge -- Integrated AI functionalities into constrained embedded environments. ✅ Wireless Connectivity -- Delivered projects with WiFi, BLE, LTE, LoRa, Zigbee and others. ✅ Advanced Networking -- Developed mesh networking solutions implemented over a variety of protocols like ESP-Now, Radio, BLE, XBee, etc. ✅ Power Management -- Utilized deep-sleep modes, watchdog timers, and ULP cores for energy efficiency. ✅ User Interfaces -- Designed intuitive touch interfaces and captive portals, often paired with companion mobile apps. ✅ Device Management -- Executed comprehensive device management strategies, including OTA updates, fault recovery, and remote monitoring. ------------------------------ What I Offer: 💾 Firmware Design: With 8+ years of coding expertise, I provide rapid and reliable firmware development tailored to your hardware. ☁️ Cloud Setup: I can setup your IoT Platform backend including Amazon AWS, Azure, and even open-source solutions like Thingsboard. ⚡ Hardware Engineering: From schematics and circuit design to component selection and PCB layout, I cover the entire hardware development lifecycle. 📱 GUI Integration: Specializing in embedded products with graphical user interfaces, I leverage LVGL and Qt to create user-friendly, visually appealing designs. ------------------------------ I am passionate about exploring new technologies and continuously expanding my expertise. While I may not know every technology off the bat, I commit to learning what’s needed—without charging for my learning time. I’d be delighted to discuss your ideas and explore how we can bring them to life. Best Regards, Ravi Kharb

Turning Hardware Concepts into Market-Ready, Scalable Products The biggest risk in hardware is a "prototype that works" but cannot be manufactured. A single PCB error or a poor component choice can lead to months of delays and thousands in wasted capital. I help startups and product teams bridge the gap between a breadboard idea and a professional, factory-ready product. With experience in high-stakes industries like Medical Devices and Electric Vehicles (EV), I design for reliability, not just functionality. How I add value to your project: DFM-First PCB Design: I don't just "route traces." I optimize for Design for Manufacturing (DFM) using Altium and KiCad to ensure your boards are easy to assemble and cost-effective. Embedded Intelligence: Specialist in ESP32, STM32, and nRF52 architectures for low-power wearables and complex IoT systems. Medical & Industrial Rigor: My background includes designing TENS/NMES medical spray systems and EV hardware for Baaz Bikes, ensuring your product meets industry standards from day one. Risk Mitigation: I provide detailed Schematic and BOM (Bill of Materials) reviews to catch errors before they hit the fabrication house. Technical Toolkit: Hardware: PCB Layout, Multi-layer Design, Rigid-Flex, Signal Integrity. Firmware: Arduino, C/C++, IoT Cloud Integration, Sensor Fusion. Compliance: Designing for EMI/EMC and medical safety standards. My Commitment: I prioritize clear communication and document every step of the design process. Whether you need a quick schematic review or a full-scale product development partner, I am here to ensure your hardware is robust.

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.