Hire the Best Internet of Things Specialists

I am the Founder & Principal Consultant at Iottive, where I lead high-performance engineering teams to design, architect, and build sophisticated IoT and AIoT products for global clients. With 15+ years of deep hands-on experience, I specialize in transforming complex hardware-software ideas into robust, scalable, production-ready connected systems. My work sits at the intersection of embedded engineering, wireless connectivity, cloud architecture, and AI-driven intelligence — enabling organizations to move faster, reduce engineering risk, and build products that stand up to real-world industrial, medical, and consumer environments. If you’re looking for a consultant who can step in at a senior architecture level, bring clarity to your roadmap, design the right system architecture, and then guide your engineering stack toward successful delivery, I’m the partner you want. I support clients as a technical advisor, lead engineer, and fractional IoT architect, depending on the engagement. How I Work (High-End Consulting Model) I operate as a: - Fractional CTO - Fractional IoT Architect - Senior Technical Advisor - Lead Engineer for Complex Subsystems - R&D Partner for New Product Development - Technical Due Diligence Reviewer Why Clients Pay a Premium to Work With Me - I bring founder-level ownership, speed, and clarity. - I reduce engineering uncertainty — the most expensive part of IoT development. - I combine hardware, firmware, cloud, and AI knowledge — rare in one person. - I don’t guess — I architect solutions based on real-world deployments. - I lead teams and systems with long-term reliability in mind. - Clients come to me when they can’t afford false starts, delays, or re-architecture — and when they need an expert who can think 10 steps ahead. What I Bring to High-Level Projects 1. System Architecture for Complex IoT Products - I design end-to-end architectures covering hardware, firmware, connectivity, cloud, apps, data flow, device security, and scalability. 2. Embedded, Firmware & Connectivity Leadership - Zephyr, FreeRTOS, ESP-IDF - BLE 5.x, Mesh, Wi-Fi, NFC, UWB, Matter, Thread - OTA, secure boot, power optimization - I bring a strong combination of low-level engineering and system-level thinking, ideal for teams building new hardware devices. 3. Mobile + Device Integration (iOS/Android/Flutter/ReactNative) - I architect and build mobile experiences that sync reliably with embedded devices — pairing, control, OTA, dashboards, alerts. 4. Cloud, Data & Digital Twins - AWS IoT Core, Azure IoT Hub, MQTT/Kafka pipelines, digital twins, role-based access, observability. - This includes designing multi-layered systems for manufacturing, energy, healthcare, and consumer IoT. 5. Edge AI & Intelligent Automation - Predictive maintenance, anomaly detection, vision analytics, on-device inference. 6. Pilot, Certification & Production Advisory - I guide clients from prototype → pre-production → compliance (CE/FCC) → manufacturing scale. Industries Where I Deliver the Most Impact 🏭 Industrial & Manufacturing - Predictive maintenance, digital twins, AGVs, condition monitoring, energy management, QA automation. 🏥 Healthcare & Medical IoT - Remote patient monitoring, RTLS, equipment tracking, compliance-driven devices (HIPAA-ready). ⚡ Energy & Utilities - Smart metering, grid monitoring, field telemetry, outage detection. 🛒 Retail & Connected Commerce - Smart shelves, automated checkout, inventory tracking, real-time analytics. I work best in environments where reliability, security, real-time operation, and scalability matter. Engagement Style - High-touch, transparent communication - Technical leadership + hands-on engineering - Strong attention to architecture, quality, and long-term maintainability - Ability to work with your internal teams or bring my own specialists through Iottive Typical Client Profiles - Funded startups building a connected product - Enterprises modernizing manufacturing or medical systems - Hardware companies needing BLE/firmware/cloud expertise - Teams preparing for compliance, pilots, or production Core Technical Expertise - Embedded & Hardware - PCB & Circuit Design - Zephyr, FreeRTOS, ESP-IDF - Sensor architectures - Power optimization - OTA, secure boot, TPM - BLE, Wi-Fi, UWB, Zigbee, Matter, Thread - Mobile & UX for Connected Devices - iOS / Android - Flutter & React Native - BLE pairing, control, logging - Real-time dashboards - Cloud & Backend - AWS IoT Core - Azure IoT Hub - MQTT, Kafka, gRPC - Digital Twins - Role-based access & observability - AI & Analytics - Predictive maintenance - Anomaly detection - TensorFlow Lite, ONNX, Edge AI

As a seasoned programmer, I bring a wealth of technical expertise and a proven track record in native and cross platform mobile app development for iOS and Android platforms. My skills encompass a wide array of functionalities, including Push and APNS, Geo-fencing, Payment processing (card readers), maps, mobile device management, QR code scanners, Blockchain and integrations with services such as Paypal, Stripe, and Parse. In addition to mobile and backend development, I have hands-on experience integrating AI-powered solutions into applications, including intelligent chatbots, recommendation engines, predictive analytics, Computer Vision and automation workflows. I have worked with modern AI APIs and frameworks to enhance user experience through personalization, smart insights, and real-time decision-making. Listed below is an overview of my skills and the tools I have worked with. Languages : Flutter, FlutterFlow, Dart, React.js, React Native, SwiftUI, Objective-C, Kotlin, T-SQL, C#, JavaScript (ES6+), HTML5, Swift 5+, CSS3, TypeScript, Python, JSON Frameworks : Core Foundation, iOS SDK, Core Data, Core Video, Core Location, MapKit, Social Framework, Core Media, AVAudioEngine, Flutter SDK, Material & Cupertino Widgets, Jetpack Compose (basic) Libraries / APIs : Core Animation, Facebook SDK, jQuery, Google Maps SDK, AFNetworking, CocoaPods, SQLite, Core Graphics, SpriteKit, Parse iOS SDK, Mixpanel SDK, MailChimp API, Node.js, Supabase, Firebase (Auth, Firestore, FCM, Crashlytics), REST APIs, GraphQL, WebSockets Tools : iOS Simulator, Apple Xcode, Android Studio, Visual Studio, VS Code, Git, Bitbucket, GitHub, SVN, Postman, Firebase Console, Fastlane, TestFlight, MailChimp, Jira Platforms : iOS 15–26, Android 10–15, Flutter Mobile (iOS & Android), Flutter Web, Flutter Desktop (Windows, macOS, Linux) CMS / ERP / CRM : Django-Oscar, Django-SHOP, Mezzanine, Odoo – OpenERP (Open Source ERP & CRM), Headless CMS, Custom Admin Dashboards Web / Backend Tools : jQuery, Yahoo UI Library, AngularJS, SQLAlchemy, Peewee, Motor, PyMongo, Django MongoDB Engine, Express.js, NestJS Server end : Azure, Firebase, Google Cloud Functions, AWS (EC2, S3, Lambda), Docker, CI/CD Pipelines Paradigms : Agile Software Development, Scrum, Kanban, MVC, MVVM, Clean Architecture Misc : iOS Video, Backend Integration, Stripe Payments, PayPal, Fintech, Push Notifications, Real-time Sync, Barcode & QR Code (QR Code, DataMatrix, Code39, Code128, PDF417, AZTEC, UPC, EAN) Storage : Microsoft SQL Server, Firebird, MySQL, SQLite, MongoDB, DynamoDB, Redis, MemSQL, Firebase Firestore, Cloud Storage Core specialization in: - Fintech apps- Payments apps, digital wallets, Loyalty rewards, stock trading, referral - Utility apps- Call recorder, keyboard, food delivery - Communication- social networking, audio/video calling - Real estate apps - IoT- BLE/ibeacons, Healthcare - On demand service booking apps - Sports apps - AI & Machine Learning – Predictive analytics, recommendation systems, personalization, chatbots, fraud detection, intelligent automation These verticals can be verified from my profile too. I'm well versed in using wallet based SDKs including Mastercard, Pay- Pal, Braintree, Simply Commerce, Quickpay, Razorpay SDK etc for e-wallet based applications. I have worked extensively with stock trading apps with vast knowledge in exante.eu, Meta trader 5, socket based programming for real time stock price alerts. I can integrate a number of crypto-currency wallets for your app including Bit-coin Core, Electrum, Jaxx cryptocurrencies, Rippex and Exodus that offer an easy-to-use interface, better protection against fraud, Lightweight and easy to set up and easy recovery for BTC using a wallet seed. I thrive on challenges and exhibit hyperactivity when problem-solving. My ability to think deeply and beyond the obvious sets me apart. Let's collaborate and discuss your ideas. I can help you achieve the best solutions for your business needs. I just completed one of my ongoing projects and currently seek new avenues.

Experienced in cross-platform and native mobile app development, admin panels, dashboards, cloud, IoT solutions, web applications, and back-end (REST API, MQTT, etc) I am a Team Lead of the CitrusDev team, a Ukrainian software development company with over 40+ mobile and web developers, designers, project managers, DevOps, and QA specialists onboard. This means that besides my programming skills, you always have access to a full-stack product design & and development team. More about CitrusDev: CitrusDev provides customized software solutions for IoT startups, SaaS companies, eCommerce stores, LMS, and enterprise clients worldwide. From building the product from scratch to extending the existing teams, we have expertise in a diverse set of open-source technologies and platforms to bring innovation in an agile fashion. Our team excels in Java, Kotlin, Swift, Flutter, React Native, PHP, Laravel, WordPress, React.js, and Vue.js. With over 40+ people, CitrusDev has either empowered client teams or delivered end-to-end development projects for brands from the Internet of Things, consulting, eCommerce, marketing, or eLearning industries and is recognized as a Top IoT Developer in Ukraine by Clutch. Mykhailo, CitrusDev Team Keywords: iOS, Android, Flutter, BLE, Bluetooth, Core Bluetooth, Dart, Swift, Java, Kotlin, ESP32, IoT development, Internet of Things, embedded systems, IoT solutions, IoT firmware, IoT cloud, MQTT, WebRTC,, ESP32, Raspberry Pi, nRF, Nordic Semiconductors, NB-IoT, LPWAN, LoRaWAN, Zigbee, IoT architecture, IoT security, sensor integration, IoT protocols, real-time data processing, wireless communication, smart devices, cloud integration, AWS IoT, Azure IoT, Google Cloud IoT, ThingsBoard, Node-RED, Kaa IoT, OpenHAB, Home Assistant, industrial IoT, IoT automation, remote monitoring, IoT gateways, AIoT, machine learning for IoT, data analytics, smart home, smart city, smart farm, smart agriculture, agritech, healthcare, smart industry, smart logistics, IoT dashboards, IoT consulting, device-to-cloud, IoT scalability, low-power IoT, IoT connectivity, mobile app development, IoT mobile apps, cross-platform IoT apps, Flutter, native Android, native iOS, NFC, GPS tracking, telematics, wearable technology, connected devices, smart sensors, IoT-enabled automation, PCB development, hardware design, circuit design, custom IoT hardware, IoT prototyping, embedded hardware development, IoT manufacturing, cloud-based IoT platforms, real-time IoT analytics, IoT data visualization, edge AI, fog computing, MQTT brokers, CoAP, LwM2M, IoT fleet management, thermal printers, barcode scanners, RFID, heart rate monitors, ECG sensors, temperature sensors, humidity sensors, gas sensors, motion sensors, accelerometers, gyroscopes, pressure sensors, environmental monitoring, smart wearables, industrial sensors, medical IoT devices, IoT-based tracking solutions

I built and design the PCB, write the firmware, model the enclosure, and build the IoT app that controls it. Products I have built are live on Google Play, the App Store, and in the hands of US/EU customers right now. I'm a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐄𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 & 𝐈𝐨𝐓 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 with a Master's in Embedded Systems and a Bachelor's in Computer Engineering. I take products end-to-end from PCB design, firmware, enclosure, IoT mobile app, to cloud, so you get one Partner accountable for the whole stack instead of coordinating four of them. 𝐔𝐬𝐞 𝐂𝐚𝐬𝐞𝐬 𝐈 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐈𝐧: ➙ Consumer electronics, smart home devices, connected appliances ➙ Audio and DSP products, Audio/Sound Devices, real-time processing ➙ Stepper motor, CNC Machines, 3D Printers, Stepper Motors, Driver, DC Generators, Energy Harvesting ➙ Smart RGB light control Systems, Hall Effect Systems ➙ Industrial IoT, Home automation, Modbus/CAN gateways, CAN telematics ➙ Medical devices, wearables, monitoring systems, Automotive ➙ Asset tracking, smart agriculture, LoRaWAN sensor networks 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: 𝐌𝐢𝐜𝐫𝐨𝐜𝐨𝐧𝐭𝐫𝐨𝐥𝐥𝐞𝐫𝐬 & 𝐒𝐨𝐂𝐬: STM32, ESP32 (S2/S3, A1S Dual-Core, ESP8266), Arduino (Nano, Mega, Mini, Pro, Uno), Nordic nRF52840/nRF5340, AVR (ATmega, ATtiny), PIC16/PIC18/PIC32, Raspberry Pi, Cortex-M0/M0+/M3/M4/M7/M33, Cortex-A53/A72/A76, Cortex-R4/R5/R52, Teensy 4.1, FPGA 𝐅𝐢𝐫𝐦𝐰𝐚𝐫𝐞: Embedded C/C++, MicroPython, ARM Assembly, Verilog/SystemVerilog, VHDL. FreeRTOS, Azure RTOS (ThreadX). Bare-metal, HAL, and LL driver development. STM32CubeIDE, ESP-IDF, PlatformIO, Arduino, CMake, GCC Arm toolchain. 𝐏𝐂𝐁 𝐃𝐞𝐬𝐢𝐠𝐧: Expertise in 2-12 layer boards, rigid & flex, and HDI designs using Altium Designer, KiCad, and Eagle, with a focus on high-speed signal integrity, impedance matching, thermal design, high-current routing, and RF layout including Pi-network antenna tuning. 𝐌𝐞𝐜𝐡𝐚𝐧𝐢𝐜𝐚𝐥/𝐄𝐧𝐜𝐥𝐨𝐬𝐮𝐫𝐞 𝐃𝐞𝐬𝐢𝐠𝐧: Proficient in SolidWorks, Fusion 360, and AutoCAD for injection-molding-ready designs, SLA/FDM 3D printing, IP65/IP67/IP68 waterproofing, and advanced thermal management. 𝐏𝐞𝐫𝐢𝐩𝐡𝐞𝐫𝐚𝐥𝐬 & 𝐁𝐮𝐬𝐞𝐬: I2C, SPI, UART, CAN (CANOpen, J1939), USB HID, PCIe, DMA, PWM, ADC/DAC, I2S/PDM audio, EEPROM/Flash. 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐯𝐢𝐭𝐲: Wi-Fi, BLE 5.x, LoRa/LoRaWAN, NFC/RFID (MiFare, ISO14443), LTE-M, NB-IoT, 4G LTE, u-blox GNSS (M8/M10), RS485, RS232, Modbus RTU/TCP, Ethernet. 𝐈𝐨𝐓 & 𝐂𝐥𝐨𝐮𝐝: MQTT/MQTTS, HTTPS, WebSockets, TLS 1.3, JSON-RPC. AWS IoT Core, Azure IoT Hub, Google Cloud IoT, Blynk, ThingsBoard, Tuya. 𝐀𝐩𝐩𝐬 & 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬: Flutter, React Native, React.js, Vue.js, Node-RED, Firebase, PWAs. Qt for Embedded, PyQt5. OLED, TFT, IPS, E-Paper, LED Matrix, 7-Segment, rotary encoders. 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐂𝐨𝐦𝐩𝐥𝐢𝐚𝐧𝐜𝐞: Secure Boot, AES, ECC, OTA updates. Design-for-certification for CE, FCC, EMI/EMC, ESD (IEC 61000-4-2), UL, ISO 9001/13485. 𝐌𝐲 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: ➙ Clear weekly progress updates, often including demo videos, schematics, firmware commits, and simulation results. ➙ Version-controlled deliverables (Git) and meticulously documented, clean code. ➙ Transparent communication regarding progress, challenges, and potential risks. ➙ Strong research-driven approach focused on solving technically difficult problems efficiently. ➙ Open to starting with a paid pilot project before committing to a larger scope. 𝐋𝐞𝐭'𝐬 𝐓𝐚𝐥𝐤 𝐈𝐟 𝐘𝐨𝐮 𝐍𝐞𝐞𝐝 A reliable partner to design a new product from scratch, rescue a stalled hardware project, and control systems, port firmware between MCU families, add IoT/cloud connectivity to an existing device, or build the mobile app and backend that makes your hardware actually useful. Invite me to your Job or send me a message with your product concept, current stage, and what's blocking you.

I’m Hamza a Biomedical Engineer with a passion for Embedded Systems, IoT, Electronics, and Robotics. I turn ideas into real, working prototypes and products. Whether it’s designing smart devices, building automation systems, or creating medical technology, I bring innovation to life. What I Do Best: Embedded Systems & IoT Experience with ESP32, NRF52, ATMEL, STM32, PSOC, PIC Work with Raspberry Pi, VisionFive (Linux Board), and Unihiker Programming Proficient in C/C++, Python, Java, MATLAB, JavaScript, and Flutter Connectivity & Communication Skilled in UART, I2C, SPI, MQTT, BLE, BLE Mesh, Sigfox, and Wi-Fi Hardware Design & Prototyping Specialize in PCB Design, 3D Modeling, and Product Prototyping GUI Development Develop Touchscreen Interfaces, E-Paper & TFT Displays, Web Dashboards, and Desktop Applications Work with LVGL, Tkinter, PyQt, and Kivy Framework IoT & Cloud Integration Experienced with AWS IoT, Firebase, ThingsBoard, and WebSocket-based real-time control Industrial IoT (IIoT) Expertise in CAN Communication, Factory Automation, and Smart Sensor Networks Remote Monitoring & OTA Updates Work with ESP-IDF OTA, BLE DFU, and Cloud-Based Device Management I’ve built industrial prototypes, smart sensors, automation systems, and medical devices, real-time data processing and device connectivity. If you need a reliable, high-quality solution, let’s make it happen! Let’s Collaborate!

🚀 Full-Stack & IoT Systems Engineer | Tuya Cloud Expert | Homeassistant 5+ Years Experience ⭐ Short Overview (for busy clients) I build production-grade IoT systems and backend platforms, from device integration to cloud control and user-facing applications. Former Tuya IoT Cloud Engineer, with hands-on experience in OEM apps, SDKs, device APIs, and large-scale smart device ecosystems. I specialize in connecting: Devices → Cloud → APIs → Applications → Automation If you need someone who can integrate devices, stabilize systems, and build scalable backend logic, I can handle it end-to-end. 🌐 IoT & Tuya Cloud Expertise ➤ Full Tuya Cloud integrations (Device APIs, Locks, Cameras, Energy systems) ➤Tuya Solar Solution aka CONOW ➤TuyaClaw ➤TuyaAI ➤ OEM app development & Smartlife App SDK customization ➤ Tuya MiniApp development ➤ Tuya device Panel customization ➤ MQTT, Zigbee, BLE integrations ➤ Smart locks (TTLock, Tuya) with Airbnb / rental systems ➤ Real-time device control & automation logic ➤ Industrial & smart home system architecture Strong device-level + cloud-level control 💻 Full-Stack & Backend Development ➤ Scalable APIs (FastAPI, Node.js, Django) ➤ SaaS backend systems ➤ Database architecture (MongoDB, PostgreSQL, MySQL) ➤ Real-time systems & event-driven architecture ➤ Authentication, RBAC, multi-tenant systems 🏠 HomeAssistant ➤ Home Assistant setup, cleanup, and restructuring ➤ Automation design (YAML / Node-RED) ➤ Dashboard (Lovelace) + tablet kiosk setup ➤ Integration with Philips Hue, Sonos, Tuya, etc. ➤ Calendar-based and rule-based automations (Airbnb setups) ☁️ Cloud & Deployment ➤ AWS, GCP ➤ Docker-based deployments ➤ Scalable backend infrastructure ➤ Monitoring & logging 🎯 What Clients Hire Me For ✔ Tuya Cloud integrations that actually work reliably ✔ IoT system architecture (device → cloud → app) ✔ Home Assistant systems that are clean and stable ✔ Backend systems for smart devices and automation ✔ Fixing broken or unstable IoT setups 🧩 Why Work With Me ➤ Former Tuya IoT Cloud Engineer ➤ Strong system design mindset ➤ Clean, maintainable architecture ➤ Fast execution, no overengineering ➤ Clear and direct communication 🚀 If you're building or fixing an IoT or Tuya-based system, I’ll make sure it works properly, not just partially. SPEED is my Major Weapon.