Hire the Best Navigation System Design Specialists

I am a senior electronics and embedded systems engineer with 47 years of experience in hardware design, firmware development, PCB layout, debugging, testing, and product development. I help clients turn electronic product ideas, prototypes, and hand-wired circuits into working embedded systems and manufacturable PCB designs. Typical projects I can help with include: * ESP32 and STM32 / STMicroelectronics MCU-based products * Power conversion and low-power battery-powered product design * Custom wireless and RF communications, including LoRa and ESP-NOW peer-to-peer networking * Circuit design and component selection for manufacturing * Schematic entry and multi-layer PCB design. * Ordering fabs and coordinating assembled boards. * C/C++ firmware for sensors, displays, audio, wireless, and control systems * Embedded graphics and touchscreen user interfaces using LVGL * Digital audio filtering, FFT spectrum analysis, and voice activity detection * Cloud API integration for speech-to-text, text-to-speech, and language translation * Embedded bus and peripheral interfaces: I2C, SPI, I2S, UART, RS-485, CAN, and SD/MMC * Prototype debugging and board bring-up * Converting breadboard prototypes into clean PCB designs * Design reviews before manufacturing * Analog and digital circuit troubleshooting * Production-oriented improvements for reliability and manufacturability I have founded and managed engineering companies and consulting firms, led technical teams, and helped bring electronic products from initial concept through prototype, testing, manufacturing, and production. For clients, this means fewer design mistakes, faster debugging, lower development risk, and a clearer path from concept to a working, manufacturable product.

🚀 Turn your product idea into a clear, buildable direction — before you spend time and money on the wrong approach. Many early-stage products fail not because of bad ideas, but because key engineering decisions are made too late — or based on incorrect assumptions. I help founders and product teams define the right path early: what to build, how to build it, and what to avoid. 🧭 Start here (recommended) If your idea is still evolving or unclear, I recommend starting with a short feasibility session. In this session, we will: • clarify your concept and constraints • identify key technical risks • define a practical prototype direction This helps avoid unnecessary iterations and costly mistakes before moving into design or prototyping. 🔧 What I do I support early-stage product development from idea to validated prototype: • concept clarification and constraint definition • mechanical architecture and system direction • feasibility and manufacturability evaluation • prototype strategy and iteration planning • engineering decision support before major investment Rather than only delivering CAD, I help you understand the full path: idea → prototype → validation → next step ⚡ Accelerated exploration To improve speed and clarity, I use AI-assisted workflows and 3D tools to quickly explore and compare design directions. This allows us to evaluate options earlier and reduce unnecessary iteration later. ⸻ 🏭 From digital to physical With my own workshop and 3D printing setup, I can support: • functional prototype development • enclosure and mechanical validation • small-batch prototype builds • real-world testing and iteration 🎯 What you actually get • a clear and practical product direction • early identification of risks and constraints • a structured path from idea to prototype • confidence in your next steps Not just design — but clarity on what should (and should not) be built. ⸻ 🧠 Typical projects • consumer products and smart devices • enclosures and functional mechanical systems • hardware startup prototypes • proof-of-concept builds • early-stage product validation 📦 How I typically work Most projects start with a focused validation phase before moving into full design. This ensures: • the right direction is defined early • risks are identified upfront • time and budget are used efficiently From there, I can support further development, prototyping, and iteration if needed. 📩 Next step If you’re exploring a new product idea and want to move forward with more clarity and fewer mistakes, feel free to reach out.

I help startups and founders turn hardware ideas into working prototypes and production-ready products. My work covers embedded systems, PCB design, IoT devices, wearable prototypes, firmware, testing, and manufacturing files. I am a Top Rated Plus Industrial Designer and Electronics Engineer with 7+ years of experience, specialising in end-to-end product development from concept to production. My expertise covers PCB design, embedded systems, IoT development, wearable device development, firmware, enclosure design, prototyping, testing, and manufacturing support. I work with platforms such as STM32, ESP32, nRF, Raspberry Pi, and custom embedded hardware to develop reliable and scalable smart products. What I can help you with: • Schematic design and PCB layout • Embedded firmware development • ESP32, STM32, nRF, Arduino, Raspberry Pi-based systems • IoT devices with BLE, Wi-Fi, GPS, LTE, and sensors • Wearable electronics and compact product prototypes • Battery-powered and low-power hardware design • Prototype testing, debugging, and improvement • Gerber, BOM, CPL, STEP files, and manufacturing support What makes my work different is my complete product development approach. I do not only design a PCB or enclosure separately. I consider electronics, firmware, mechanical fit, compact wearable form factors, component availability, assembly, testing, DFM, and production requirements from the beginning. This helps reduce redesigns, avoid manufacturing issues, and create products that are practical for real-world use and mass production. I have worked with international clients on IoT devices, wearable electronics, health monitoring wearables, industrial systems, sensor-based products, smart consumer devices, medical/health monitoring prototypes, and custom embedded hardware. If you are looking for a reliable engineering partner who can take your idea from concept to working prototype and production-ready product, I can help you build it with a professional, practical, and manufacturing-focused approach. Regards, Muhammad Bilal Javaid

Top 5% Talent on Upwork | Embedded Systems & PCB Design Engineer | Electrical Engineering | 100% Job Success | 5+ Years Are you looking for an experienced Embedded Systems, PCB Design & Electrical Engineering specialist who can transform your idea into a fully working smart device? You're in the right place. I specialize in Circuit Design, PCB Design, and Electronic Design handling the full path from schematic and multi-layer PCB layout, to firmware and Microcontroller Programming, to wireless integration, testing, debugging, and final prototype support. Whether it's a single board or a complete Internet of Things Solutions Design, I take it from concept to production-ready hardware. Whether you're building a: ✔ Smart Home Device ✔ Wearable Product ✔ Industrial Sensor Node ✔ BLE Tracker ✔ WiFi Enabled Controller ✔ Battery Powered Embedded System ✔ Custom Wireless PCB Product ◆ Core Expertise ▸ Embedded Systems & Electronics ✓ Microcontroller Programming: STM32, ESP32/ESP8266, nRF52 ✓ Ultra-Low Power Design: sub-µA standby, long-life battery systems ✓ PCB Design & Circuit Design: multi-layer, high-density, signal integrity optimized ✓ Electronic Design: schematic capture, BOM, design for manufacturing ✓ Embedded Firmware: UART, SPI, I2C, real-time systems ✓ Wireless: BLE, WiFi, LoRa, MQTT ✓ Motor Control: PID, stepper/servo systems ▸ System Development ✓ Hardware + Firmware integration ✓ Internet of Things Solutions Design (device to cloud) ✓ Debugging & production validation ✓ Power profiling & optimization ✓ OTA, bootloaders, custom protocols ◆ Tools & Technologies ▸ Firmware: C, C++, Python, FreeRTOS ▸ PCB Design: Altium Designer, KiCad ▸ Hardware: JTAG, Oscilloscope ▸ Communication: UART, SPI, I2C, RS485, Modbus ▸ IoT: BLE, WiFi, LoRa, MQTT ◆ Why Work With Me ✓ Electrical Engineering background with production focus ✓ Ultra-low power specialist (battery-operated systems) ✓ Full-stack embedded (hardware + firmware) ✓ Production-ready design focus ✓ Clear communication & reliable delivery ✓ Post-project support I can engineer it professionally, efficiently, and production-ready and connect your hardware seamlessly to mobile apps, gateways, or cloud platforms.

Hi, I'm Paul. Transforming complex tech ideas into market-ready products is my forte. With 8 years of hands-on experience, I offer end-to-end expertise in advanced PCB design, rapid prototyping, and robust firmware development for IoT, robotics, and ultra-low power applications. My background as a startup team leader ensures a product-centric vision and accelerated project/ MVP delivery. 1. What I Offer: End-to-End Embedded & Hardware Solutions - Advanced PCB Design & Hardware Development: Multi-layer PCBs for complex applications, focusing on reliability and performance. - High-Speed Design: Expertise in USB 2.0, HDMI 2.0, DDR3/DDR4/LDDR4, PCIe, NAND Flash, 10/100/1000/10Gbase-T1 Ethernet, PoE++. - Microcontrollers & SoMs: ARM Cortex-M3/M4 (STM32WL, ESP32, Nordic nRF52/53/91 series); custom boards for Raspberry Pi CM4, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588, RK3568, RV1126, TI AM6254. - Power & Analog: DC-DC (Flyback, Boost, Buck, LDOs), motor control (BLDC, AC/DC servo via I/O, ADC, CAN), high-resolution ADC/DAC, Audio circuits. DFM/DFA & Compliance: Strong knowledge of manufacturing, assembly processes, and layout techniques for EMC/EMI compliance. - Tools: Altium Designer (Altium365/CircuitMarker), KiCAD, Eagle, EasyEDA; OrCAD, PSpice, CAM350. - Prototyping: Experience with BOM creation (Digikey/Mouser/JLCPCB) and combining dimensional drawings into precise Gerber formats. - CAD/3D design tool: SolidWorks, Inventor... 2. Robust Firmware Development: - Languages: C, C++, Python, Qt. IoT & Wireless: MQTT, Thingsboard, AWS IoT, Blynk; experience with RF, Wi-Fi, BLE, GSM (3G/4G/LTE), LoRaWAN. - Robotics: Expertise in ROS/ROS2 for applications like AGV, AMR, 6-axis robots. Low-level Interaction: Proficient in designing custom drivers, managing communication protocols (QSPI, I2C, RS485, RS232, CAN, Modbus TCP/IP/RTU). - UI/UX for Embedded: Figma, TouchGFX, LVGL for STM32, ESP32, Raspberry Pi. 3. Product & Project Leadership: - Startup Leadership: Proven ability to lead and manage cross-functional teams in startup environments. - Project Management: Expertise in managing design, fabrication, and procurement for cost-efficient and timely PCB acquisition. - Problem-Solving & Research: Strong initiative, research capabilities, and excellent troubleshooting skills for electrical evaluation, testing, and PCB issues. 4. Why Partner with Me? - End-to-End Product Vision: My background in leading startup projects provides a holistic view, ensuring your solution is not just technically sound but also viable and market-ready. - Deep Technical Mastery: From complex high-speed routing and power supply design to robust firmware for robotics and IoT, I handle intricate challenges with precision. - Cost & Time Efficiency: My knowledge of DFM/DFA and experience in optimizing BOMs, coupled with efficient procurement management, helps streamline your project and reduce overall development costs and time. Ready to turn your innovative idea into a high-quality product? Let's connect to discuss how my expertise can drive your project's success.

Need a production-ready PCB for your embedded product, IoT device, or drone? I can take your idea from concept to manufactured board. I'm an Electronics Engineer with a Top Rated badge and 100% Job Success Score across 20+ projects on Upwork. I specialize in custom PCB design for embedded systems, IoT devices, and UAV electronics. What I design: - ESP32 & STM32 boards — Wi-Fi, Bluetooth, BLE, and wired connectivity - UAV electronics — flight controllers, telemetry modules, power distribution - Sensor & data acquisition boards — high-resolution ADCs, multi-sensor stacks - RF & wireless boards — BLE 5.x, sub-GHz, long-range telemetry - Power management & distribution — Li-Po charging, multi-rail buck/LDO, monitoring - LED driver & high-voltage control boards My workflow covers the full cycle: hierarchical schematic capture → component selection → multilayer PCB layout → DFM/DFA review → Gerber, BOM, and Pick-and-Place files ready for fabrication. I also handle prototype bring-up and basic functional testing. I work fluently in KiCad and Altium Designer, and I'm comfortable with high-speed routing, impedance control, RF layout, and EMI/EMC-aware design. If you have a hardware idea — embedded product, IoT device, drone subsystem, or a custom board — let's discuss turning it into a board you can manufacture.