Hire the Best Circuit Designers

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.

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.

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

I’m a highly skilled and detail-oriented PCB Design Engineer with over 3 years of experience in designing robust, efficient, and cost-effective printed circuit boards for various industries including consumer electronics, automotive, medical devices, and industrial automation. I specialize in converting complex circuit ideas into manufacturable and reliable PCB layouts. From schematic capture to final Gerber generation and fabrication-ready documentation, I ensure every step is precise and optimized for performance and manufacturability. My Expertise Includes: * Multilayer PCB design (up to 16+ layers) * High-speed signal routing (DDR, USB, HDMI, PCIe) * Analog and digital circuit design * RF and impedance-controlled designs * Power supply and mixed-signal board layouts * Design for Manufacturability (DFM) and Assembly (DFA) * EMI/EMC considerations and grounding techniques * Thermal management and heat dissipation strategies Tools I Use: * Altium Designer * KiCad * Eagle * OrCAD / Cadence Allegro * EasyEDA * LTspice / PSpice / Multisim (for simulation) * AutoDesk Fusion 360 (for 3D enclosure fit checks) Deliverables You Can Expect: * Complete schematic and PCB layout files * BOM (Bill of Materials) * Gerber, drill, and pick-and-place files * 3D PCB renders * Assembly drawings and fabrication documentation * Technical support during prototype and production phases Why Choose Me? ✅ 100% custom and tailored designs ✅ Fast turnaround and clear communication ✅ Focus on reliability, quality, and cost optimization ✅ NDA-friendly and IP protection guaranteed Let’s turn your concept into a reliable, ready-to-manufacture PCB. Message me to discuss your project!

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