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Senior IoT Engineer building complete IoT systems: the firmware on the device, the cloud that receives its data, and the tools to run a fleet of them in production. RECENT WORK For several years I've owned the platform behind a fleet of EV energy-management controllers - ARM Linux devices that measure a site's electrical load and allocate current between chargers in real time. Real-time sampling runs as bare-metal firmware on the SoC's real-time core and feeds a multi-threaded C++ application through shared memory. Around it: U-Boot boot flow, device-tree overlays, GPIO/I2C/SPI peripherals, Modbus and OCPP to third-party equipment. An A/B update system that cannot brick a device: two system slots plus a persistent data partition, signed bundles, a bootloader-side attempt counter that falls back before Linux starts, and a health check that confirms a new image or rolls it back by itself. Proven on hardware, including power cuts mid-update. A fleet-wide Debian migration done remotely: repartitioning live devices in place, carrying each unit's identity (certificates, VPN keys, calibration) across, and keeping a working fallback until the new system proved itself. No site visits. Cloud side: MQTT telemetry and commands to AWS IoT, Lambda processing into the fleet database, per-device certificate provisioning, WireGuard access to devices behind customer NAT. WHAT I DO Embedded: C/C++ firmware; embedded Linux (Debian and Yocto - own layers, recipes, images); U-Boot, device tree, kernel configuration, board bring-up; drivers and hardware integration; Modbus, TCP/IP, UART, SPI, I2C; performance work and hard-to-reproduce bugs. Updates: A/B images with automatic rollback; signed bundles and key rotation; staged fleet rollouts; application updates from a private, certificate-protected package repository. AWS: IoT Core and MQTT architecture; Lambda services; cloud databases; device provisioning and certificate management; telemetry and remote monitoring; designs that stay cheap as the fleet grows. Python: backend services and APIs; automation and build tooling; data processing; device-management services. Platforms and remote access: fleet-management web apps and real-time dashboards; remote firmware updates; WireGuard VPN and secure SSH tunnelling; diagnostics for devices with no public address. WHY ME Most IoT problems live between the layers - a device reporting the wrong state, an update that works on the bench and fails in the field, a cloud message nobody can trace back to the firmware that sent it. Instead of coordinating separate firmware, cloud and web developers, you get one engineer who follows a problem from the bootloader to the dashboard and designs the pieces to fit. Let's talk about what you are building and find the shortest path to something production-ready.

🥇 𝐓𝐎𝐏 𝐑𝐀𝐓𝐄𝐃 𝐏𝐋𝐔𝐒 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐒𝐡𝐨𝐩𝐢𝐟𝐲, 𝐒𝐄𝐎 & 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 🥇100% 𝙅𝙤𝙗 𝙎𝙪𝙘𝙘𝙚𝙨𝙨 𝙍𝙖𝙩𝙚 𝘸𝘪𝘵𝘩 170+ 𝘱𝘳𝘰𝘫𝘦𝘤𝘵𝘴 𝘤𝘰𝘮𝘱𝘭𝘦𝘵𝘦𝘥 | 100% 𝙘𝙡𝙞𝙚𝙣𝙩 𝙨𝙖𝙩𝙞𝙨𝙛𝙖𝙘𝙩𝙞𝙤𝙣 𝙨𝙘𝙤𝙧𝙚 📞 𝘚𝘤𝘩𝘦𝘥𝘶𝘭𝘦 𝘺𝘰𝘶𝘳 𝙛𝙧𝙚𝙚 15-𝙢𝙞𝙣𝙪𝙩𝙚 𝙘𝙤𝙣𝙨𝙪𝙡𝙩𝙖𝙩𝙞𝙤𝙣 𝘵𝘰𝘥𝘢𝘺. 🗓️ 𝘐𝘯𝘷𝘪𝘵𝘦 𝘮𝘦 𝘵𝘰 𝘺𝘰𝘶𝘳 𝘫𝘰𝘣, 𝘢𝘯𝘥 𝘐 𝘸𝘪𝘭𝘭 𝘴𝘤𝘩𝘦𝘥𝘶𝘭𝘦 𝘢 𝘤𝘰𝘯𝘷𝘦𝘯𝘪𝘦𝘯𝘵 𝘵𝘪𝘮𝘦 𝘧𝘰𝘳 𝘺𝘰𝘶𝘳 𝘱𝘳𝘰𝘫𝘦𝘤𝘵 𝘥𝘪𝘴𝘤𝘶𝘴𝘴𝘪𝘰𝘯. 💼 𝐂𝐨𝐫𝐞 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✅ 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗘𝘅𝗽𝗲𝗿𝘁 ✅ 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝗘𝘅𝗽𝗲𝗿𝘁 ✅ 𝗦𝗘𝗢 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 ✅ 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗪𝗲𝗯𝘀𝗶𝘁𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 ✅ 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 | 𝗦𝗼𝗰𝗶𝗮𝗹 𝗠𝗲𝗱𝗶𝗮 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗿 ✅ 𝗠𝗲𝘁𝗮 𝗔𝗱𝘀 (𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 & 𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺), 𝗧𝗶𝗸𝗧𝗼𝗸 𝗔𝗱𝘀, 𝗚𝗼𝗼𝗴𝗹𝗲 𝗔𝗱𝘀 𝗖𝗮𝗺𝗽𝗮𝗶𝗴𝗻 𝗘𝘅𝗽𝗲𝗿𝘁 ✅ 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗩𝗶𝗿𝘁𝘂𝗮𝗹 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁 (𝗩𝗔) 💎 𝟕,𝟓𝟎𝟎+ 𝗛𝗼𝘂𝗿𝘀 𝗪𝗼𝗿𝗸𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 ➤ Over 8 years of experience in Shopify, Shopify Plus, WordPress, and E-Commerce Website Development, including custom store builds, theme development, app integrations, SEO optimization, and end-to-end digital marketing strategy, helping businesses launch, scale, optimize, and grow their online presence. ➤ Successfully completed 300+ projects with consistently positive feedback and 5-star reviews on Upwork and Fiverr. ➤ Completed 7,500+ hours on Upwork. ➤ Excellent written and verbal English skills, ensuring clear, professional, and timely communication. ------------------------------------------------- 💼𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: ⏩ 𝐒𝐡𝐨𝐩𝐢𝐟𝐲 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 | Shopify Plus | Shopify Designer | Shopify Store redesign | Shopify Developer | Theme Customization | Shopify Apps | Design Shopify stores | Shopify Store Development | Product & Order Management | Shopify SEO | Custom Features | Liquid Coding. ⏩ 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 & 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 | Facebook Ads | Instagram Ads | Google Ads | TikTok Ads | Marketing Strategy | Audience Research | Campaign Optimization | Brand Growth & Lead Generation | Digital Marketing | Social Media Manager | Best Marketing Strategy and select the authentic target Audiences. ⏩ 𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 | Online Store Setup | Sales Channel Management & Integration | Store Operations | End-to-End Store Setup | Product & Order Management | Virtual Assistance | Business Support | Conversion Optimization & Growth Strategies | Ongoing Store Maintenance. ⏩𝐎𝐧-𝐏𝐚𝐠𝐞 𝐒𝐄𝐎 & 𝐋𝐨𝐜𝐚𝐥 𝐒𝐄𝐎 | On-Page SEO | Local Entity SEO | Local SEO Audits | Google Business Profile Optimization | Citation Management | Local Schema Markup | Local Search Ranking Improvements ⏩ 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 | Custom WordPress Websites | Theme Customization | WooCommerce | Elementor Pro | Divi | Landing Pages | Website Redesign | Performance Optimization | Plugin Installation | Elementor | Website Migration. ------------------------------------------------- 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ➤ 𝐏𝐫𝐨𝐯𝐞𝐧 𝐓𝐫𝐚𝐜𝐤 𝐑𝐞𝐜𝐨𝐫𝐝: 300+ projects completed with a strong job success history on Upwork and Fiverr. ➤ 𝐀𝐥𝐥-𝐢𝐧-𝐎𝐧𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Shopify, WordPress, SEO, and digital marketing under one roof, no need to manage multiple freelancers. ➤ 𝐂𝐨𝐧𝐯𝐞𝐫𝐬𝐢𝐨𝐧-𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: Every strategy is designed to drive real sales and measurable business growth, not just traffic. ➤ 𝐓𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐭 𝐑𝐞𝐩𝐨𝐫𝐭𝐢𝐧𝐠: You’ll always know exactly what’s being done and the results it delivers. ➤ 𝐅𝐚𝐬𝐭, 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Quick responses and clear updates at every stage of the project. ➤ 𝐎𝐧-𝐓𝐢𝐦𝐞, 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲: Projects completed on schedule and within scope, with no surprises. 👉 Click the "𝐈𝐍𝐕𝐈𝐓𝐄" button today to discuss your project and learn how I can help you achieve your Shopify, WordPress, SEO, and digital marketing goals. Sincerely Muhammad Usama _Shopify Designer and Digital Marketer

Embedded Systems & IoT Product Development Engineer | STM32 • ESP32 • Nordic • Silicon Labs • PCB Design I help startups and companies transform ideas into production-ready embedded products. With 8+ years of experience in embedded systems, firmware development, PCB design, wireless connectivity, and product commercialization, I provide complete end-to-end engineering support—from concept and architecture to prototypes, testing, and manufacturing. My expertise spans industrial automation, IoT devices, wireless sensor networks, battery-powered systems, smart metering, wearable electronics, RF products, and custom embedded hardware. What I Deliver: • Embedded firmware development (Bare Metal, FreeRTOS, Zephyr) • Custom PCB design (Altium Designer, KiCad) • Hardware architecture and schematic design • Prototype bring-up, debugging, and validation • Low-power and battery-operated device optimization • Manufacturing-ready design packages (Gerbers, BOM, Assembly Files) • Design for Manufacturing (DFM) and Design for Test (DFT) • Technical documentation and production support Core Technologies: • STM32 (F0/F1/F4/F7/H7/U5/L0/L4/L5) • ESP32 (ESP-IDF, Arduino) • Nordic nRF52 Series • Silicon Labs EFR32 Series • RP2040 / Raspberry Pi • NXP and Microchip MCUs Wireless & Connectivity: • BLE / Bluetooth Low Energy • Wi-Fi • LoRa / LoRaWAN • Wi-SUN FAN • Zigbee • Thread / Matter • Cellular (LTE-M, NB-IoT, GSM) • RS-485 / Modbus • CAN / CAN-FD • Ethernet / TCP-IP • USB Applications & Sensors: • Environmental Monitoring • Industrial Automation • Smart Metering • Wearable Electronics • GPS Tracking • Energy Monitoring • Medical & Bio-Sensing Devices • Motor Control • Data Acquisition Systems Development Tools: • STM32CubeIDE • VS Code • Keil MDK • IAR Embedded Workbench • MPLAB X • Altium Designer • KiCad • LTspice • Git Whether you need a new product designed from scratch, firmware development for existing hardware, PCB design, debugging, or manufacturing support, I can help bring your project from concept to a reliable, market-ready product. Let's discuss your project and turn your idea into a working product.

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 build two things that rarely come from the same person: embedded hardware that ships, and AI systems that run real businesses. On the hardware side, I design end to end. Custom PCB in EasyEDA through JLCPCB manufacturing (BOM, Gerber, CPL), then the firmware that runs on it: ESP32 S3, C3 and C6, FreeRTOS dual core architecture, BLE, WiFi, MQTT, OTA updates, ultra low power design. Seven custom boards manufactured with full SMT assembly, 10K+ lines of production firmware, one patent filed with 226 claims on adaptive battery management with Edge AI, and a published research paper on wireless power infrastructure. On the AI side, I build agents that do real work, not demos. I currently run an autonomous business agent in production for a service business: it handles customer conversations on WhatsApp, books appointments through calendar integration, reads payment receipts with vision AI, and reconciles the money at the end of the day, with a human takeover bridge through Telegram. Multi tenant architecture, ready to onboard new businesses. I also build algorithmic trading systems with full ML data pipelines, where every strategy is validated against out of sample data before it touches a live account. What clients get from me: someone who understands the whole chain. The sensor, the board, the firmware, the radio, the backend, the AI layer, and the business result it has to produce. I flag risks early, I document everything, and I deliver with receipts, build footage and handover docs the client can actually use. Recent work: BLE triggered hardware prototype delivered ahead of schedule with same day milestone approval, and a LoRa ski tracking device on Heltec hardware

As a senior mobile systems architect and full-stack developer with years of real production experience I build scalable, AI-first mobile ecosystems. I help founders, startups, and agencies launch products where AI, cloud services, and IoT devices communicate flawlessly. From developing cloud-based audio scheduling platforms like the Bayaan App (Flutter, Firebase, AWS Lambda) to designing premium AI-powered wellness solutions, I take ownership of your mobile architecture from MVP to App Store launch. What Sets My Work Apart: Building an app is simple. Building a system that connects real-time communication, AI tools, and hardware reliably is a different challenge. I focus on clean architecture and scalable backends so your product is ready for real-world traffic on day one. Core Expertise & Services: Mobile Development: Flutter, Native Android & iOS, React Native AI & Cloud Integration: OpenAI, Google Gemini, AWS Lambda, Firebase, Supabase IoT & Hardware: BLE, NFC (passport verification), Google Cast, Alexa Skills, Smart Home setups Full-Stack Architecture: RESTful APIs, Real-Time Audio/Video Streaming, Backend routing Monetization & Security: Payment Gateways, Secure Authentication, Production-grade deployment Industries I’ve Built For: Health, Wellness, & Skincare Productivity & Scheduling Smart Home & IoT Networks Media & Streaming Applications If you need a developer who can handle the complete technical ecosystem and deliver a product built to scale, let's discuss your project. Click the "Message" or "Hire" button, and let's map out your mobile architecture.