Hire the Best RF Design Professionals

I’m a Professional Engineer of California in Electronics, Communications, and Controls, experienced in RF, embedded systems, and automated test development for hardware-focused teams. I am educated on the West Coast in Electrical Engineering with an emphasis on wireless technologies and am working toward a Graduate degree in Signal and Image Processing. Whether you need help with prototyping, validation, troubleshooting, or building reliable engineering workflows, I can help. - Experience with RF systems, embedded hardware, Python tools, and lab/test automation - Loves to work on long-lasting custom wearable tech! - Support from concept development through integration, validation, and production handoff - Strong communication, documentation, and cross-functional collaboration

I have designed 30+ real-world components used in defence systems, DC fans, and kitchen appliances handling everything from design and simulation to fabrication and testing myself, so you get complete, working hardware solutions from one expert. I am an RF, PCB, and Embedded Systems Engineer with strong hands-on experience in building complete hardware products. I have worked on real-world RF systems including high-power amplifiers, transmitter-receiver designs, RF filters, and antenna systems for communication and defence-related applications. I specialize in RF design, antenna design and testing, wireless communication, and high-quality PCB design including multilayer boards using Altium Designer and KiCad. I also work on circuit design, analog electronics, RF filters and amplifiers, and embedded systems using STM32, ESP32, and Arduino. I have successfully delivered reliable, tested, and production-ready designs that perform well in real-world conditions. For large and challenging projects, I collaborate with a trusted team of highly skilled professionals, so we can deliver a complete, fully working product including hardware, software, and mechanical design all in one place. ✅ RF & Microwave Circuit Design ✅ RF System Design (Transmitter & Receiver) ✅ RF Front-End Design ✅ RF Power Amplifier Design (Low, Medium & High Power) ✅ LNA (Low Noise Amplifier) Design ✅ RF Filters Design (Bandpass, Low-pass, High-pass) ✅ Impedance Matching & RF Tuning ✅ Antenna Design (Patch, Monopole, Dipole, Custom) ✅ Antenna Simulation & Optimization ✅ Antenna Testing & Performance Measurement ✅ Wireless Communication System Design ✅ RF Signal Chain Development ✅ Frequency Planning & Spectrum Analysis ✅ PCB Design (Single Layer, Double Layer, Multilayer) ✅ High-Speed PCB Design ✅ RF PCB Layout & Controlled Impedance Design ✅ Schematic Design & Circuit Layout ✅ PCB Design using Altium Designer, KiCad & EasyEDA ✅ Gerber File Generation & Manufacturing Support ✅ Design for Manufacturing (DFM) & Assembly (DFA) ✅ PCB Debugging & Optimization ✅ Electronic Circuit Design ✅ Analog Circuit Design ✅ Amplifiers & Signal Conditioning Circuits ✅ Sensor Interface Circuit Design ✅ Power Electronics Circuit Design ✅ Hardware Troubleshooting & Debugging ✅ Embedded Systems Design ✅ Embedded Hardware Development ✅ Microcontroller-Based System Design ✅ Microcontroller Programming (STM32, ESP32, Arduino, AVR) ✅ Embedded C & C++ Development ✅ Firmware Development ✅ IoT Device Development (WiFi, LoRa, ESP32) ✅ Raspberry Pi-Based Projects ✅ FPGA Design & Development ✅ Verilog / VHDL Based Design ✅ Digital System Design on FPGA ✅ Simulation & Timing Analysis ✅ FPGA Prototyping & Testing ✅ Electromagnetic Simulation (HFSS, CST, ADS) ✅ Circuit Simulation (LTspice, PSPICE, MATLAB) ✅ EM & RF Co-Simulation ✅ Signal Integrity & EMI/EMC Analysis ✅ Hardware Prototyping ✅ Product Development from Concept to Prototype ✅ Functional Testing & Validation ✅ Performance Measurement & Optimization ✅ Test Results Analysis & Reporting ✅ Technical Writing (Engineering Reports & Documentation) ✅ Research Paper Writing (IEEE Format) ✅ Project Documentation & Reports ✅ RF & Electronics Content Writing ✅ Complete Product Design (Hardware + Embedded + RF + FPGA) ✅ Prototype to Production Support ✅ Real-World Testing & Field Validation ✅ Engineering Simulation & Optimization

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.

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.

I help companies turn ideas and electronics designs into fully working and reliable devices. I am a Hardware and Firmware Engineer with 10+ years of experience developing real products, with hardware designed for 70+ successful projects, many of which are currently on the market. Unlike many freelancers who stop at schematic and PCB design, I support projects through board bring-up, firmware integration, and system debugging in a hardware lab, ensuring the device actually works and meets the expected specifications. I also work directly with PCB manufacturers and assembly partners, helping clients avoid production issues and ensuring designs move smoothly from prototype to manufacturing. My approach focuses on building functional systems, validating them through testing, and identifying issues early before they become expensive problems in production. Two client Products I Have Developed: ✅ Smart home devices ✅ Corrosion monitoring sensors ✅ Drone and boat controllers ✅ Gimbal control systems ✅ BLDC motor controller for medical beds ✅ Muscle stimulators ✅ Medical scales ✅ Smart irrigation and weather monitoring systems ✅ Smart camera systems What I Deliver: ✅ Hardware architecture and PCB design ✅ Embedded firmware development ✅ Functional PCB prototypes ready for testing ✅ Board bring-up and hardware validation ✅ Hardware debugging and troubleshooting ✅ Reliability design reviews (ESD protection, thermal stability, power integrity, signal integrity, EMC, UL, CE) Typical Projects I Help With: ✅ Bringing up new PCB prototypes ✅ Debugging boards that are not working or unstable ✅ Hardware and firmware integration ✅ Reviewing schematics and PCB layouts before manufacturing ✅ Reliability audits to improve product lifetime ✅ Fixing power stability, ESD protection, and thermal issues During my career, I have used various technologies and components. Below are some of them: ⭐RF modules: LORA, WIFI, BLE, GPS, GSM, LTE, ZIGBEE, NRF52840, ESP32, SARA-R510, CC2530, CC2538, SIM9001, SIM800, Quectel, Arduino_IOT... ⭐Microcontrollers/Microprocessors: STM32 ( F and L family), ATAMEGA, ESP32, MSP430, MSP432, ATSAM, NFR52840, PIC32, PIC24, NXP, ARDUINO, IMX8... ⭐ Sensors: Temperature, humidity, O2 sensor, PH sensor, Light sensor, motion sensor, water leakage sensor, Nitrate sensor, current sensors, Voltage sensor, distance sensors, corrosion sensor, Scale sensors, accelerometers, Magnetometers, Rain sensor, Air quality sensors... If you are looking for someone who can design, bring up, and debug your hardware until it works as expected, please send me a message, and we can discuss your project.

Hi! I am experienced and enthusiastic antenna and RF designer. Looking for interesting and challenging RF designing projects which can help me to grow as a professional. Personally I am more focused on: - RF design (RF PCB layout design and optimization); - Antenna design (from emmbeded antennas to antenna arrays); - EMC troubleshouting. For big and callenging proects I invite my friends who are excellent professionals. So together we can design the fully working poduct including hard-ware, soft-ware and mechanical design. 1st year on Upwork: more than 10 successfully accomplished projects (see the feedback section and the gallery); We are moving ahead and looking forward to provide your best solutions for your projects! Don't hesitate to contact me if you need a consultation on: - any type of antenna (RFID, NFC, ISM, WIFI, Bluetooth, CubeSat, radar, portable device and so on) - analysis of RF performance (radiation levels, EMC) Extended practical skills (10+ years) in antennas design: - Antenna Arrays, - Small antennas, embedded antennas (BLE, WiFi, NB IoT, LoRa, GNSS), - UHF devices design (splitters, filters, switchers) - CADs; - RF PCB design and optimization. We provide not just design but also prototype test, RF measurements, tunning and troubleshouting. Up to now we have: - VNA (up to 6 Ghz), - spectroanalyzer and tracking sweep generator (up to 5.5 GHz), - digital microscope, - soldering station, - power supply unit up to 200W, (see some of our equipment in the gallery).