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30 USD / hour✋ Hi there! I’m Abdul Majeed, an experienced Embedded Systems Engineer and Professional PCB Designer with expertise across a wide range of cutting-edge technologies. Here’s what I bring to the table: ⚡ Microcontroller Programming: ✔ Nordic: nRF51, nRF52, nRF53 ✔ TI: CC13xx, CC25xx, CC26xx, CC32xx ✔ 8051: Atmel, Intel, Nuvoton ✔ STM: STM8, STM32, BlueNRG-1, BlueNRG-2 ✔ AVR: 8-Bit, 32-Bit ✔ Cypress: BLE PSoCs ✔ Dialog Semiconductor: DA1458x, DA1453x ✔ ESP: ESP12, ESP32, ESP8266, ESP32 S3, ESP32 C3 ⚡ Electronic Development Boards: ✔ Arduino Uno, Nano ✔ STM32 Nucleo and Discovery ✔ TI's Launchpad ⚡ Single Board Computers: ✔ Raspberry pi ✔ Banana Pi ✔ Beaglebone Black ⚡ Electronics Modules: ✔ RFID and Fingerprint Modules ✔ RF Transceivers: Silicon Labs chips, Zigbee, Wi-Fi, Nordic, etc. ✔ Camera Modules: Omnivision ✔ Storage: SD card and memory chips ✔ Display Modules: LCD, GLCD, TFT, LED, OLED, etc. ✔ IoT Modules ⚡ Computer Software: ✔ Development IDEs: Keil, Visual Studio Code, STM32 Cube IDE ✔ PCB Design: Altium, Eagle, KiCAD, Easy EDA ✔ App Development: Blynk IOT, Adafruit IO, Arduino cloud, Thingsboard ⚡ Simulations Software ✔ MATLAB Simulink ✔ Proteus ✔ Logisim ✔ Multisim ⚡ IoT & Wireless Communication ✔ Proficient in Wi-Fi, BLE, Zigbee, LoRa, HTTP / HTTPS, and MQTT protocol. ✔ Expertise in wearable IoT devices, smart home automation, and industrial IoT projects. ⚡ System Integration & Prototyping ✔ Firmware and hardware integration for sensors, motors, and actuators. ✔ Real-time protocols: FTP, TCP/IP, and RTSP ✔ Extensive experience with streaming, data acquisition, and remote control systems. ⚡ Microcontroller-Based Projects: ✔ Automatic Street Light System: STM32-based power-efficient lighting system controlled by ambient light sensors. ✔ Gesture-Controlled Robot: ATMEGA32-powered robot using accelerometer and gyroscope modules. ✔ Smart Trash Bin: A touchless waste management system using proximity sensors and servo motors. ⚡ Industrial Projects: ✔ Industrial IoT Gateway: A robust NodeMCU-based gateway for connecting industrial devices to cloud platforms. ✔ Battery Management System (BMS): STM32-based controller for monitoring lithium-ion battery packs. ✔ Motor Driver PCB Design: Compact and efficient PCB for controlling DC motors with ESP32. ⚡ PCB Designing Projects: ✔ Power Supply PCB: Design of a regulated dual-output power supply with overcurrent protection. ✔ Custom Sensor Node PCB: Low-power PCB with temperature, humidity, and pressure sensors for wireless data transmission. ✔ RF Module PCB: Compact PCB for RF communication with optimized antenna layout. ⚡ Why Choose Me? ✔ On-time delivery and top-notch quality at reasonable rates. ✔ Free support and maintenance after project completion. ✔ Client satisfaction is my top priority! Let’s bring your ideas to life with innovation and precision! Any questions? Interested in working with me? Send me a message or hit the ‘Hire Me Now’ button and let’s get started!Hire majeed219
30 USD / hourWe build AI-powered SaaS systems, automation platforms, websites, and full-stack applications that help businesses scale operations, reduce manual workflows, and deploy intelligent systems in production. Our focus is on delivering end-to-end, scalable, and production-ready solutions, not just isolated development tasks. 𝐖𝐡𝐚𝐭 𝐰𝐞 𝐛𝐮𝐢𝐥𝐝 ● SaaS platforms (MVP to enterprise-scale systems) ● AI-powered systems and intelligent workflows ● Automation systems that replace manual processes ● Cross-platform App Development ● Internal tools and admin or real time dashboards for business operations 𝐀𝐈 & 𝐌𝐋 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ● LLM-based systems (OpenAI, OpenClaw, Claude, custom pipelines) ● RAG systems, vector databases, and knowledge engines ● Agentic AI, AI agents and workflow automation ● Machine learning models (classification, regression, clustering, deep learning) ● Predictive analytics, forecasting, and recommendation systems ● End-to-end ML lifecycle: data pipelines, training, deployment, MLOps ● Real-time AI systems and intelligent data processing ● Natural language interfaces and AI-driven user experiences ● Cloud-native and distributed systems architecture 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤 ● Backend: Python (FastAPI, Django), Javascript / Typescript (Node.js) ● Frontend: React, Next.js, Angular ● Databases: PostgreSQL, MongoDB, vector databases (Pinecone, FAISS) ● AI/ML: TensorFlow, PyTorch, Scikit-learn, YOLO, LoRA ● Cloud, MLOps & DevOps: AWS, GCP, Azure, Docker, linux ● Tools & Integrations: OpenAI, Claude, n8n, Zapier, Salesforce ● API architecture and third-party integrations 𝐑𝐞𝐬𝐮𝐥𝐭𝐬 & 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 ● Delivered 40+ SaaS, web, and mobile applications, including AI/ML-driven systems ● Developed solutions that reduce operational costs and enable data-driven decisions ● Systems actively used by thousands of users in real-world environments ● Experience across finance, healthcare, logistics, eCommerce, SaaS, and AI platforms If you're building a web platform, mobile app, SaaS product, or integrating AI into real workflows, we can help you design and deliver a scalable production-ready solution.Hire rehanbaber1
30 INR / hourSkills 1. 20 years of experience in the design and development of cutting-edge IoT products, including AI/ML solutions. 2. Handling end to end product development, from concept to production. Worked on Turnkey Solutions. 3. Architecture design, requirement capturing, competition analysis, testing & product validation including regulatory compliance for US and EU. 4. Expertise in designing and deploying Industry 4.0, Video surveillance, Energy Meter, EV Charger, Water Filtration Systems and Internet of Things (IoT) based solutions. 5. IoT Protocols - MQTT, Wi-Fi, BLE, LPWAN, Zigbee, NBIoT, LoRA, CAN bus etc Embedded Protocols - I2C, SPI, QSPI, USB, ADC, DAC etc. 6. Firmware, RTOS and Linux based Application Development 7. Python and C Programming. 8. Kafka, Kubernetics and cloud based solutions. 9. Video Analytics using Yolo. 10. Sensors - MEMS, Battery, Accelerometer, Gyro, GPS, Temperature, Humidity, Photocell, Touch using capacitive sensing, PIR etc. Some large and critical projects I have done 1. Video Surveillance System - TI Processor based Linux board connected with 8 cameras to capture and store video and send it over 4G network. Board bring up and Linux application development. 2. Predictive Maintenance System for Industry 4.0 - BLE and WiFi based vibration sensor to send data to cloud over MQTT connection. 3. IP camera design - TI Processor based Linux board for IP camera development and mechanical integration with hardware. 4. IoT based Street Light - Zhaga based NBIoT Street Light Controller. 5. Patented RO Controller – Controller which detects genuine cartridge using RFID.Hire TheElitePro
25 USD / hour✋ Hi! this is Sukanta Mazumder. I have been working as a Professional PCB Designer and an Embedded System Expert for more than 6 years. I have been working in the field of Designing & Implementing : ☑️ Circuit , PCBs for both Commercial and Industrial purpose. ☑️ Microcontroller Based Projects. ☑️ IOT based automation Projects. ☑️ Projects Related to Robotics. ⚡I have completed my graduation in Electrical & Electronic Engineering (EEE). ⚡I have been collaborating on high complexity long-term projects with a variety of clients worldwide. ☑️ Through this profile, I Provide the Following Services: ✔ Schematic Design ✔ PCB Design (1/2/4/6/8 Layers) ✔ Gerber Export ✔ BOM Validation & Sourcing ✔ 3D CAD Design of PCB (.obj /.step) ✔ Reverse Engineering (PCB to New Schematic) ✔ Custom Symbol & Footprint from Datasheet ✔ Microcontroller Based PCB Design ✔ Writing code for the specific microcontrollers ☑️ I had implemented lots of Microcontroller based projects using Arduino, ATMEGA Series, STM32, ESP8266, ESP32, Nordic Semiconductor MCU nRF52, nRF53 Series. Some of them are: ✔Smart Power Meter ✔Smart Wheel Chair ✔Android App Based Automation Project ✔ PID based line follower ✔ Object detector for vision impaired person ✔ SMART Timer ✔Automatic Sow Seeding Robot ✔ IOT based Water and Power Consumption monitoring System ✔ Smart Multimeter with Oled display and so on ☑️ Here are my Industrial Projects: ✔ Industrial 3D Printer ✔ SSR Controller ✔ Stepper Motor Controller with STM32 ✔ 3 Phase Non Insulated AC to DC Conversion & Relay Control ✔ Power Distribution PCB for 3D Printer and so on. ☑️ I can also provide good quality Engineering Report service using: ✔ Latex Why You Should Hire me: : ☑️ On time delivery with Best quality for every project at reasonable rate ($) . ☑️ Assist On PCB Fabrication. ☑️ 100% Guarantee on Customer Satisfaction. ☑️ 24/7 Support After Project Completion (Free of Charge) So, what are you waiting for?? If you have any Idea and PCB Design related projects or any Microcontroller based projects give me a knock as early as possible. I assure you, an unforgettable great experience you are going to get.Hire Sukanta0110"\t\t\t\t"
40 USD / hour⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring ideas to life, efficiently, reliably, and with long-term support in mind. Whether you need hardware design, sensor data acquisition, power systems, firmware development, or complete system integration, I offer end-to-end solutions tailored to your goals. ✅ What I Offer ⚡ Hardware Design & Prototyping • 15+ years with Altium, KiCad, and Eagle • Expertise in embedded, mixed-signal, and analog systems • Battery and Solar Powered Systems • Sensor integration & industrial IoT hardware • Skilled in SPICE simulation (LTspice, TINA-TI) • Fully equipped in-house lab for testing and validation ⚡ Firmware & Embedded Development • 20+ years of C programming with GCC, SDCC, CCS • STM32, ESP32, Microchip 8/16/32-bit, TI MSP430/MSP432, C2000 • Power-efficient firmware, custom bootloaders, and protocols • FreeRTOS and Bare-Metal programming ⚡ Connectivity & Communication • RS485, CAN, LIN, USB, Ethernet • Wi-Fi, GSM, LTE, LoRa, BLE, Sub-GHz RFs • Any type of sensor/device integration ⚡ Software Integration • Desktop app development using MSVC, GCC • Bridging hardware with desktop tools or automation systems ⚡ Production & Supply Chain Support • BOM cost optimization & component sourcing • Established connections with Chinese manufacturers and supply chain management • Low to mid-volume production support ✅ Why Work With Me • End-to-End Expertise: With 20+ years of experience in electronics and programming, I bring equal proficiency in both hardware design and firmware development, ensuring seamless integration between the two. • Project Ownership: From schematic capture and PCB layout to embedded firmware and system validation, I take full responsibility across the entire development cycle. • Quality Assurance: My work is backed by lab-grade test equipment, simulation tools, and a rigorous validation process to guarantee accuracy and reliability. • Post-Delivery Support: I provide long-term assistance beyond delivery, helping you through product updates, field issues, and lifecycle management. • Intellectual Property Respect: I treat your IP with the utmost confidentiality. Your designs, code, and data are fully protected and never reused or shared. • Reliable Collaboration: Having worked with clients globally, I understand how to communicate clearly, meet deadlines, and deliver results that align with your vision. ✅ Let’s Connect No pressure, no obligation. If you have a concept or challenge you'd like to discuss, feel free to message me. I’m happy to explore how I can help turn your ideas into working, manufacturable solutions.Hire cpp2048
20 USD / hourWelcome to my Freelancer profile! I am a professional Electronics Engineer specializing in PCB design, circuit design, power electronics , IoT, firmware development, and embedded systems. Expertise PCB Design 1.Custom PCB Design – Single-layer, multi-layer, high-speed PCB layouts. 3.Power Electronics PCB – battery management, motor controllers,audio player PCB Software: OrCAD, PADS, Altium, Circuit Design & Development 1. Analog & Digital Circuits – Amplifiers, filters, logic gates, microcontrollers. 2.Power Electronics – DC-DC converters, inverters, rectifiers, motor drivers. audio player device 3.IoT Hardware – ESP32, STM32, GSM, LoRa, Zigbee. 4.Industrial & Consumer Electronics – Smart automation, sensor integration. Firmware & Software Development 1.Embedded Systems – Microcontroller coding, firmware optimization. 2.Wireless Communication – UART, I2C, SPI, CAN, GSM, BLE, LoRa. Manufacture we also offer manufacturing services, including material procurement, PCB manufacturing, SMT chip mounting processing, assembly and testing, packaging, and delivery. We have a comprehensive supply chain management system, stable partnerships with numerous high-quality material suppliers.Hire timl42
20 USD / hourMy journey began in 2015 with a deep focus on WordPress web development, driven by a vision to create high-performing, user-focused digital experiences that deliver measurable business impact. What started as a one-person initiative quickly evolved into a portfolio of successful projects across global clients. Recognizing the growing demand for scalable, conversion-driven web solutions, I founded Alhri Agency in 2017. Today, Alhri Agency operates as a full-service digital partner for businesses that value performance, scalability, and long-term growth. We don’t just design websites—we engineer digital ecosystems that are strategically built to convert, scale, and dominate in competitive markets. Our Core Capabilities Custom Web Design & Development We deliver high-performance, scalable websites across WordPress, Shopify, Webflow, and modern frameworks—built with a strong focus on Core Web Vitals, clean architecture, and conversion optimization. UI/UX & Product Design We design intuitive, research-driven user experiences that align business goals with user behavior—ensuring every interaction adds value. SEO & Growth Strategy Our approach goes beyond basic SEO. We build data-driven growth systems combining technical SEO, content strategy, and performance marketing to drive sustainable traffic and ROI. Content & Brand Communication We craft strategic, conversion-focused content that strengthens brand authority and aligns with search intent. Why High-Value Clients Choose Us Proven experience delivering complex, scalable web solutions Dedicated in-house team of 30+ specialists across development, design, and marketing Strong focus on performance, speed, and conversion metrics Structured processes, QA systems, and long-term support Trusted by clients across multiple industries worldwide At Alhri Agency, we partner with businesses that are serious about growth. We don’t just build websites—we build assets that generate revenue.Hire simlasikder
35 USD / hourI’m an experienced over 10 years PCB and Embedded Systems Engineer specializing in hardware–firmware integration, RF design, and IoT product development. Electrical and Embedded Systems Engineer with over 10 years of experience in PCB design, embedded firmware development, and hardware system integration. Proven expertise in ESP32, STM32, Arduino, MATLAB, and Altium Designer. Strong background in delivering production‑ready designs for IoT, automation, and industrial applications. Core Skills - Embedded Systems (ESP32, STM32, Arduino) - PCB Design – Altium, KiCad - Firmware Development (C/C++) - MATLAB / Simulink / LabVIEW - Communication Protocols: UART, SPI, I2C, CAN - IoT Systems & Sensors - Hardware Debugging & Testing - Power Electronics & Control Systems My focus is on precision, efficiency, and reliability from concept to prototype. I specialize in transforming ideas into reliable, production-ready electronic systems from schematic to firmware to prototype. 💡 Core Expertise 🔹 PCB Design & Hardware Development Expert in Altium Designer, KiCad, Eagle, and EasyEDA High-speed multilayer PCB design with analog/digital mixed-signal precision Proven experience with BMS boards, IoT devices, RF modules, and motor drivers Emphasis on EMC compliance, low-noise layout, and manufacturability 🔹 Embedded Systems & Firmware Engineering Proficient in C/C++, FreeRTOS, and bare-metal programming Platforms: STM32, ESP32, PIC, Arduino, nRF52, Raspberry Pi Integration of sensors, actuators, communication interfaces, and wireless modules Focused on power optimization, real-time control, and efficient resource use 🔹 RF, IoT, Raspeberry PI & Wireless Communication Skilled in Wi-Fi, BLE, Zigbee, LoRa, and custom RF design PCB antenna tuning and matching network design Cloud & data integration via MQTT, HTTP/HTTPS, and Python automation 🧠 Secondary Expertise 🔸 Simulation & Modeling MATLAB/Simulink for control, signal processing, and dynamic systems LTSpice, Multisim, Proteus for analog/digital circuit simulation 🔸 Test, Measurement & Automation LabVIEW NI for data acquisition, visualization, and industrial automation Real-time system design, test bench automation, and measurement control 🎯 Why Choose Me ✔ Master’s-level expertise in Embedded & Electronics Design ✔ Cross-domain proficiency: Hardware + Firmware + RF ✔ Precise documentation — schematics, BOM, and Gerber files ✔ Fast communication, full confidentiality, and milestone-based delivery ✔ Free post-project support for long-term client satisfaction Let’s turn your concept into a powerful, real-world product with precision, reliability, and innovation. Best regards, Engr. Muhammad Usman PCB | Embedded | RF | IoT | MATLAB | LabVIEWHire engrusmanfaiz
30 USD / hourWhere technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life.Hire martini002
25 USD / hourSiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the highest quality solutions that are secure, scalable, and cost-effective. We stay at the forefront of technology and leverage the latest innovations to create solutions that are reliable and easy to use. ⭐ Services We Offer ✔ Web 2.0 ☑️ UX/UI research & design ☑️ Frontend development: React.js, Vue.js, Typescript ☑️ Backend development: Python (Django), Node.js, ☑️ Mobile app development: Flutter, React Native ✔ Web3.0 & Blockchain Solutions ☑️ Chains - Ethereum, EOS, Solana, Binance, Polygon ☑️ Smart contracts = ERC20, ERC721, ERC721A, ERC1155 ☑️ DeX's - Pancake Swap, Uniswap, Sushi Swap ☑️ DAO - From smart contract development to DAO governance ☑️ dApps - NFT minting buy, sell OR digital assess buy / sell OR Identity management etc. ☑️ Hyper-ledgers - Substrate [custom chain development] ✔ Embedded Systems Development ☑️ Hardware Design - PCB , High Speed, antennas & FPGA's ☑️ Drivers Development - I2C, CAN, USART, PCIe, AXI, DMA, Interrupt Controllers ☑️ Embedded Linux - Yocto , BitBake, ☑️ IOT application development - BLE, LTE 4G, 5G, LoraWAN, Zigbee, WiFi & Wifi6 ☑️ Cloud Integrations - GoogleCloud, Azure, AWS ☑️ Hardware Design & Verification Services - RISCV SoC design & verification ⭐ Our commitment ✅ 100% work quality ✅ Project demonstration & documentation ✅ Active support against any issue (even after deployment) ✅ 15 hours free-of-cost maintenance & support ✅ Free Discovery sessions & project consultation At SiliconNexus, we believe in building long-term partnerships with our clients. Our commitment to customer service and excellence ensures that we exceed our clients’ expectations. We are passionate about helping our clients stay ahead of the competition by providing them with the best technology solutions available. Silicon Nexus Business Development & Consultant Book a Free Consultation CallHire aqibnasim
