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🚀 Top-Rated Plus | IOT Specialist | AWS, Azure, MQTT, ThingsBoard, SCADA Integration With 78+ successful projects and 1800+ hours billed, I specialize in seamlessly integrating industrial assets with secure cloud environments, ensuring scalable, real-time, and cost-effective IoT solutions. 🔹 Industrial Protocols – MQTT, OPC UA, MODBUS, DNP3, Kafka, IEC104 🔹 Cloud Platforms – AWS IoT, Azure IoT, AWS Lambda, IoT Rules 🔹 IoT Tools – ThingsBoard, Node-RED, Grafana, InfluxDB, Telegraf 🔹 Broker & System Integration – Mosquitto, PLCs, SCADA, RTUs 🔹 Analytics & Optimization – AWS IoT Analytics, JITP/JITR 🔹 Dashboard & API Development – ThingsBoard dashboards, LORA/MQTT solutions I don’t just build IoT solutions—I optimize, scale, and future-proof them. Let’s discuss how I can elevate your IoT project today! 💡

IoT Solutions Developer | Thingsboard Expert, LoRaWAN & Chirpstack Expert | MQTT 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 5+ 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.

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.

I help companies design, build, and scale industrial-grade IoT platforms — from edge devices to cloud and real-time dashboards. With 10+ years of experience, 36+ projects, and 35,000+ connected devices, I specialize in delivering production-ready IoT systems that are scalable, secure, and reliable in real-world environments. 🔧 What I Do 🧠 IoT Architecture (End-to-End) • Edge → Gateway → Cloud → Dashboard design • Multi-tenant IoT platforms • High-throughput telemetry pipelines • Real-time monitoring & alerting systems ⚙️ Industrial & Edge Integration • Protocols: MQTT, OPC UA, Modbus (RTU/TCP), DNP3, IEC104, CAN/J1939 • PLC, SCADA, RTU integrations • Edge computing (Python, Docker, Linux-based gateways) • Offline-first and low-bandwidth architectures ☁️ Cloud IoT (AWS & Azure) • AWS IoT Core, Lambda, API Gateway, DynamoDB, Timestream • Azure IoT Hub, Event Hub, IoT Edge, Digital Twins • Secure device onboarding (X.509, JITP/JITR) • Scalable ingestion (Kafka/Kinesis-based pipelines) 📊 Dashboards, Data & Analytics • ThingsBoard (CE & PE) – custom dashboards, rule chains • Grafana, InfluxDB, Timeseries analytics • Real-time event processing & anomaly detection 🔄 Deployment & DevOps • Docker, Kubernetes, CI/CD pipelines • OTA updates & device lifecycle management • Production monitoring, logging, and scaling 💡 Key Strengths ✔️ Designed systems handling thousands of devices & high-frequency data ✔️ Strong in Edge + Cloud combined architecture (not just one side) ✔️ Experience with industrial environments (Oil & Gas, Energy, Fleet, Smart Infra) ✔️ Focus on performance, reliability, and long-term scalability ✔️ Able to translate business problems into technical IoT solutions 🤝 Let’s Build Something Scalable If you need someone who can own your IoT system end-to-end — from architecture to deployment — I can help. 👉 Message me with your use case, and I’ll propose a clear, scalable solution approach.

✅ Solution Architect | FullStack | DevOps | Cloud | AI/ML | IoT | Mobile Apps Hi 👋 I’m Niladri, a Solution Architect & FullStack Developer with 14+ years of experience helping startups and enterprises design, build, and scale cloud-native, AI-powered, and future-ready solutions. I don’t just write code or set up infrastructure—I help businesses turn ideas into reliable, secure, and scalable products. Clients hire me when they want someone who can strategize like an architect, build like a fullstack engineer, and automate like a DevOps expert. 📊 Skill Ratings DevOps & Cloud Architecture – ▓▓▓▓▓▓▓▓▓▒ (9.5/10) Backend Development – ▓▓▓▓▓▓▓▓▓░ (9/10) Frontend Development – ▓▓▓▓▓▓▓░░░ (7/10) Mobile App Development – ▓▓▓▓▓▓▓░░░ (7/10) IoT & Embedded Electronics – ▓▓▓▓▓▓▓▓░░ (8/10) 🚀 What I Can Help You With ☁️ Cloud & DevOps AWS (EC2, S3, RDS, Lambda, ECS, EKS, Fargate, IoT, DynamoDB, CloudFront, Route 53, Amplify, Serverless) Google Cloud (GKE, Firebase, BigQuery, Cloud SQL, Cloud Run, AI/ML APIs) Azure | DigitalOcean | Heroku | On-Prem → Cloud Migration Docker | Kubernetes | Terraform | CI/CD pipelines (GitLab, Jenkins, Bitbucket) High Availability, Scalability, and cost-optimized architecture 🤖 Artificial Intelligence & Machine Learning AI/ML API Integration (OpenAI, AWS AI, Google AI) Chatbots, Recommendation Engines, Predictive Analytics Data pipelines & ETL with BigQuery, DynamoDB, MongoDB AI-driven workflow automation to save time & cost 📱 Cross-Platform Mobile App Development React Native | Flutter | Progressive Web Apps Real-time apps (chat, notifications, payments, GPS tracking) API + Backend + Cloud integration for mobile-first solutions 🔗 API Development & Integration Amazon (MWS, SP, Ads), QuickBooks (Online & Desktop), Xero, FreshBooks, HubSpot, Salesforce, Zoho, Zendesk, Stripe, Twilio, Slack, Asana REST, GraphQL, Webhooks, Event-driven Microservices 💻 FullStack Development Backend: Node.js, Express, NestJS, TypeScript, Spring Boot, Django, Flask, Laravel, FastAPI Frontend: React.js, Vue.js, Angular, Bootstrap, jQuery Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB, MariaDB, MS SQL 🌐 IoT & Digital Electronics Embedded Linux | Buildroot | Arduino | ESP | Raspberry Pi | RTOS | FPGA | Petalinux | RFSOC (ZCU111, XRF8) | Sensor Integration (i2c, SPI, UART, TCP) | MQTT Firmware → Cloud → Dashboard (end-to-end IoT platforms) 🌟 Why Clients Hire Me ✔️ 14+ years of expertise across software, cloud, and embedded systems ✔️ Unique blend of architecture + development + DevOps skills ✔️ Strong believer in clean code, test-driven development, automation, and best practices ✔️ Experience working with global startups and enterprises in SaaS, fintech, e-commerce, IoT, and AI domains ✔️ I don’t just deliver code—I deliver long-term maintainable, scalable systems 🌟 Client Testimonials ⭐️⭐️⭐️⭐️⭐️ Douglas Stirling "Nil and I have worked together on a significant software project, with Nil heading up the development of a full backend solution including RESTful API and AWS cloud setup. Nil is extremely knowledgeable, takes time to understand your needs, and delivers creative, high-quality solutions. He communicates effectively with teams or takes the lead when needed. I'd highly recommend working with Nil — and will continue to do so." ⭐️⭐️⭐️⭐️⭐️ Sat Sindhar "Nil is an excellent developer to work with — quick to grasp requirements, easy to communicate with, and always delivers well-tested, first-class work. Highly recommended." ⭐️⭐️⭐️⭐️⭐️ Vishal Agarwal "Niladri is a highly experienced full-stack programmer with thorough knowledge across technologies. Fuzonmedia has been providing website & application development and maintenance for my company for the last year, and I am extremely satisfied with their services." ⭐️⭐️⭐️⭐️⭐️ Muzaffer Selimbeyoglu "Niladri is the best at what he does. Very easy to communicate with, delivers flawless work, and even provides great support after the job is done." 📌 Certifications & Background Degree in Computer Science CCNA | RHCE Diploma in Computer Hardware & Electronics Hands-on GitHub Portfolio: github.com/fuzonmedia

I'm a full-stack developer with over 6 years of experience building fast, scalable web applications using technologies like React.js, and Next.js on the frontend, and Node.js, Express.js, Django, Flask, and FastAPI on the backend. My experience includes working with MongoDB, PostgreSQL, MySQL, and Firebase, along with deploying applications using tools like Docker/Kubernetes, GitHub, AWS, Vercel, and Heroku. I focus on writing clean, maintainable code and creating responsive, user-friendly interfaces that ensure high performance and reliability. 💻 Tech Stack I Use 🎨 Frontend ⚛️ React.js, Next.js 🎀 Tailwind CSS, Bootstrap, CSS 📱 Progressive Web Apps (PWA) 🛠️ Backend 🟢 Node.js, Express.js 🐍 Python (Flask, FastAPI) 🔌 REST APIs, GraphQL, microservices, authentication systems 🗄️ Databases & DevOps 🗃️ MongoDB, PostgreSQL, MySQL, Firebase ☁️ AWS, Vercel, Render, Heroku, Docker, Kubernetes, Terraform 🔧 Git & GitHub (team workflows, PRs, CI/CD integration) ✨ Additional Skills: → Payment Gateway Integrations: Seamless integration of various payment systems. → Messaging Protocols: MQTT & AMQP for real-time communication. → Caching: Redis for enhancing application performance. 🔹 My Development Process 1️⃣ Discovery Call – 💬 Understand your vision & requirements 2️⃣ Project Planning – 📅 Define timelines & milestones 3️⃣ Design & Development – 🎨 Regular updates & live previews 4️⃣ Testing & Launch – ✅ QA testing & smooth deployment 5️⃣ Ongoing Support – 🔄 30 days of free maintenance included 🚀 Ready to Start Your Project? Let's discuss how I can help transform your ideas into reality. I offer FREE consultation calls to understand your needs and provide a detailed project roadmap.