Hire the Best Circuit Designers

I’m a PCB design | Reverse PCB Design Engineer specializing in reconstructing, analyzing, and improving existing circuit boards when original documentation is missing or incomplete. Over the past 10+ years, I’ve reverse-engineered dozens of commercial products ranging from consumer electronics to industrial controllers helping clients recreate legacy hardware, correct design flaws, and prepare boards for manufacturing. Work History & Experience •Rebuilt complete schematic and PCB files from physical boards for multiple clients in the U.S. and Europe •Successfully reverse-engineered 4-layer and 6-layer RF boards, including WiFi, Bluetooth, and GPS modules •Restored obsolete industrial control boards where BOM and Gerbers were no longer available •Converted entire product families from old proprietary boards into modern Altium or KiCad designs •Helped several startups recover and redesign hardware after losing original engineering teams •Reverse-designed battery-powered IoT devices, optimizing power paths, charging circuits, and safety features •Translated raw PCB scans and photos into fully manufacturable Gerber and ODB++ files •Conducted board validation, corrected routing issues, and improved manufacturability for mass production •Supported clients in factory communication, DFM review, stack-up selection, and production testing Core Skills •PCB reverse engineering (from 1-layer to 8-layer boards) •Schematic reconstruction from physical PCB •Net tracing, component identification, and footprint rebuilding •Recreating BOM with equivalent components •Altium, KiCad, Eagle, OrCAD •High-speed and RF routing reconstruction •Power supply and charger circuit analysis •Legacy hardware modernization •EMC/ESD improvement and reliability upgrades •Gerber recreation for manufacturing What I Can Deliver •Complete schematic + PCB files from any board •Clean, readable, and logically organized circuits •Rebuilt BOM with part numbers and sourcing links •Improved design ready for prototyping or mass production •DXF/STEP data for enclosure designers •Manufacturing package (Gerber, drill, pick-and-place, PDF docs) Why Clients Choose Me •Hands-on experience with 100+ boards across multiple industries •Ability to reverse-engineer boards without original documents •Fast, precise reconstruction—even for dense multilayer layouts •Professional communication and clear reporting •A strong record supporting real production builds

Are you looking for a freelancer creating accurate and reliable 🔴 Circuits schematics, layouts, and simulations as well as 3D CAD models 🔴? As a mechatronic engineer, I have an electrical and mechanical engineering background. I am introducing myself and my services as a freelancer in the field of electronic circuits and PCB design. Being a mechatronic engineer helps me to integrate both electrical and mechanical considerations into my designs, and that's what sets me apart from other designers. My expertise lies in using: • Autodesk Eagle • Altium designer • EasyEDA • KiCad • Proteus To generate accurate and reliable: • Schematics • PCB layout design • 3D models And I will provide you with: • Detailed PDF files • Images • DXF files • Bill of Materials (BOM) That clearly illustrates the design and its components, and this will not only help you to understand the design better but also allow for quick and efficient manufacturing processes. I can help you design your ⚫ 3D model enclosure ⚫ for your PCB or consider this aspect while designing the PCB itself. This results in a more integrated and optimized solution that meets both your electrical and mechanical requirements. As a new freelancer on Upwork, I am eager to take on any job at the 🔴 most reasonable cost 🔴 to grow on this platform and receive valuable feedback. I am committed to building long-term relationships with my clients by prioritizing clear communication, timely delivery, and customer satisfaction. I am open to feedback and willing to make adjustments to ensure complete satisfaction with my work. I am eager to establish a lasting partnership. If you are looking for a reliable freelancer in the field of electronic circuits and PCB design, I would be honored to work with you. Please don't hesitate to contact me to discuss your project in more detail and to receive a personalized quote.

I help companies design, prototype, and troubleshoot complex hardware systems, especially where mechanical, electrical, thermal, and control systems must work together reliably in demanding real-world environments. I am a former Head of R&D at Northrop Grumman Marine Systems, with experience in turbines, generators, electric motors, rotating machinery, and large-scale power systems. My work also includes combustion systems, battery systems, power electronics, embedded hardware, and full product development from concept through working prototype. I work with startups and established companies on: - hardware system design - rotating machinery and power systems - combustion, thermal, and fluid systems - battery and embedded hardware - controls, instrumentation, and industrial automation - diagnosing and solving difficult engineering problems I focus on practical, buildable solutions with strong attention to reliability, manufacturability, safety, and system integration. I’m often brought in when a project needs senior-level engineering direction to move from concept to a working system efficiently. I studied engineering and business at Stanford University and have 20+ years of experience working with venture-backed startups, helping connect engineering decisions to product development, scaling, and execution.

𝐖𝐡𝐚𝐭 𝐢𝐟 𝐨𝐧𝐞 𝐬𝐦𝐚𝐥𝐥 𝐦𝐢𝐬𝐭𝐚𝐤𝐞 𝐢𝐧 𝐲𝐨𝐮𝐫 𝐏𝐂𝐁 𝐝𝐞𝐬𝐢𝐠𝐧 𝐜𝐨𝐬𝐭𝐬 𝐲𝐨𝐮 𝐰𝐞𝐞𝐤𝐬 𝐨𝐟 𝐝𝐞𝐥𝐚𝐲𝐬 𝐚𝐧𝐝 𝐡𝐮𝐧𝐝𝐫𝐞𝐝𝐬 𝐨𝐟 𝐝𝐨𝐥𝐥𝐚𝐫𝐬 𝐢𝐧 𝐛𝐨𝐚𝐫𝐝 𝐫𝐞-𝐬𝐩𝐢𝐧𝐬? 𝐏𝐨𝐨𝐫 𝐬𝐜𝐡𝐞𝐦𝐚𝐭𝐢𝐜 𝐝𝐞𝐬𝐢𝐠𝐧, 𝐏𝐂𝐁 𝐥𝐚𝐲𝐨𝐮𝐭 𝐞𝐫𝐫𝐨𝐫𝐬, 𝐨𝐫 𝐰𝐞𝐚𝐤 𝐞𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐜𝐚𝐧 𝐪𝐮𝐢𝐜𝐤𝐥𝐲 𝐝𝐞𝐫𝐚𝐢𝐥 𝐚𝐧 𝐈𝐨𝐓 𝐡𝐚𝐫𝐝𝐰𝐚𝐫𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭. I’m a PCB Design & Embedded Systems Engineer focused on creating reliable electronics hardware, helping companies develop production-ready PCB designs, optimized schematics, and robust embedded systems for IoT devices and smart electronics products. My work focuses on high-quality PCB design and embedded systems integration, ensuring every PCB layout, schematic, and circuit design is optimized for manufacturability, performance, and reliability. Whether you need a PCB design for an IoT device, embedded hardware system, smart electronics product, or control system, I provide professional hardware engineering and electronics design solutions. 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 As a Hardware Engineer and Electronics Engineer, my main expertise includes: PCB Design for embedded systems and IoT hardware Schematic Design and Circuit Design for electronics products PCB Layout and Routing for compact and high-performance boards Embedded Systems Development for smart devices and control systems IoT Hardware Development and connected electronics devices Hardware Prototyping and Product Development I regularly work on PCB design projects involving embedded systems, IoT devices, smart electronics, and control hardware. My workflow includes schematic design, PCB layout optimization, hardware testing, and prototype validation to ensure the final PCB board design is production ready. 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 & 𝗙𝗜𝗥𝗠𝗪𝗔𝗥𝗘 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 My embedded systems development experience includes firmware and hardware integration using: ESP32 / ESP32-S3 embedded systems Arduino microcontroller platforms Raspberry Pi hardware integration STM32 embedded systems RISC-V microcontroller platforms Embedded firmware development with FreeRTOS I design PCB hardware and embedded systems that integrate WiFi, BLE, NFC, CAN Bus, and RS-485 communication interfaces, allowing reliable IoT device connectivity and monitoring systems. These technologies are commonly used in IoT sensors, monitoring devices, smart hardware products, and automation systems. 𝗣𝗖𝗕 𝗗𝗘𝗦𝗜𝗚𝗡 𝗧𝗢𝗢𝗟𝗦 & 𝗪𝗢𝗥𝗞𝗙𝗟𝗢𝗪 My PCB design and layout workflow ensures efficient manufacturing and reliable hardware performance. Tools and capabilities include: KiCad PCB design and schematic capture EasyEDA PCB layout development Professional PCB routing and PCB layout optimization Hardware schematic review and PCB design review Prototype PCB development and testing Using these tools, I deliver clean PCB layouts, optimized schematics, and production-ready PCB board designs for a wide range of electronics products. 𝗦𝗣𝗘𝗖𝗜𝗔𝗟𝗜𝗭𝗘𝗗 𝗛𝗔𝗥𝗗𝗪𝗔𝗥𝗘 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 In addition to general PCB design and embedded systems engineering, I also work on specialized hardware projects such as: Power electronics design including DC-DC converters and buck converters MPPT solar charge controller hardware development RF design and wireless communication hardware BLDC motor control and FOC motor control systems Wearable electronics and smart device hardware IoT sensor devices and monitoring systems I have experience designing wireless audio systems, PoE hardware systems, smart home devices, wearable devices, and embedded control electronics. 𝗣𝗥𝗢𝗗𝗨𝗖𝗧 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 I frequently help clients develop complete IoT and electronics products, including: Smart home devices Wearable electronics products IoT monitoring systems Embedded control systems Consumer electronics hardware My role typically includes electronics engineering, hardware architecture, PCB design, embedded systems integration, firmware coordination, and prototype development. 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗖𝗔𝗡 𝗘𝗫𝗣𝗘𝗖𝗧 When working with me you will get: Professional PCB design and embedded systems engineering Reliable schematic design and PCB layout development Efficient hardware prototyping and electronics product development Optimized IoT hardware and smart device systems 𝐈𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐏𝐂𝐁 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐄𝐦𝐛𝐞𝐝𝐝𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 𝐰𝐡𝐨 𝐮𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐬 𝐡𝐨𝐰 𝐭𝐨 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐚𝐧 𝐢𝐝𝐞𝐚 𝐢𝐧𝐭𝐨 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐈𝐨𝐓 𝐡𝐚𝐫𝐝𝐰𝐚𝐫𝐞 𝐰𝐢𝐭𝐡 𝐜𝐥𝐞𝐚𝐧 𝐬𝐜𝐡𝐞𝐦𝐚𝐭𝐢𝐜𝐬 𝐚𝐧𝐝 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐞𝐝 𝐏𝐂𝐁 𝐥𝐚𝐲𝐨𝐮𝐭𝐬, 𝐥𝐞𝐭’𝐬 𝐭𝐚𝐥𝐤.

Innovative Mechatronics Engineer with a passion for designing cutting-edge hardware solutions. Excels in tackling complex engineering challenges with precision and creativity. I can offer: ⭐Product Development ⭐PCB Design ⭐PCB Manufacturing ⭐Fast Prototyping ⭐Hardware Integration ⭐Hardware Debugging ⭐Firmware Development ⭐Technical Documentation I'm committed to bringing your ideas to life and delivering advanced solutions that push the boundaries of technology. Let's start turning your vision into reality and create groundbreaking innovations together!

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