Hire the Best RF Design Freelancers
in Pakistan

I help startups and companies transform ideas into reliable, production-ready electronic hardware. With 6+ years of experience, I specialize in schematic capture, PCB layout, embedded hardware development, and Industrial IoT solutions for commercial and industrial applications. My expertise covers everything from simple 2-layer boards to complex multilayer and HDI PCBs, always focusing on signal integrity, manufacturability, reliability, and cost-effective production. Core Expertise • Schematic Capture & Electronics Hardware Development • PCB Layout (2-layer, Multilayer & HDI) • Embedded Hardware Development • Industrial IoT Devices & Sensor Nodes • Hardware Debugging & PCB Optimization • BOM Creation & Cost Optimization (JLCPCB/LCSC Ready) • Prototype Validation & Manufacturing Support Technical Experience • ESP32, STM32, Nordic nRF52 Series • LTE / NB-IoT Modules (Quectel, Sequans, u-blox) • RS485, Modbus & CAN Bus Communication • Battery Management Systems (BMS) • Low-Power Battery & Solar-Powered Electronics • Buck, Boost & LDO Power Supplies • RF Layout & Antenna Integration Professional Highlights ✔ Top Rated Plus Freelancer (Top 3% on Upwork) ✔ 100% Job Success Score ✔ 120+ Successfully Completed Projects ✔ $100K+ Earnings on Upwork ✔ 98% 5-Star Client Reviews Development Tools • Altium Designer • KiCad • EasyEDA (Standard & Pro) What You Can Expect ✔ Production-ready PCB layouts ✔ Clean, organized schematics ✔ Complete manufacturing files (Gerber, BOM & Pick-and-Place) ✔ DFM-focused hardware for smooth manufacturing ✔ Clear communication and dependable delivery throughout the project Whether you're developing a new electronic product, upgrading existing hardware, or preparing a prototype for manufacturing, I can help turn your concept into reliable, production-ready hardware.

I am an Electronics Engineer with extensive industrial experience in electronics hardware development, specializing in multi-layer PCB design, embedded firmware, and full product development. For more than 12 years, I have been helping companies transform ideas into reliable electronic products, supporting projects from initial concept and schematic design through prototyping and mass production. I work as a full-time freelancer on Upwork and maintain a Top Rated profile with a strong history of successful projects and long-term collaborations with repeat clients. My work often involves coordinating electronics design, mechanical constraints, and manufacturing requirements to ensure that the final design is both technically reliable and ready for efficient production. I have designed high-speed, mixed-signal, and RF multi-layer PCBs used in products across industries including medical devices, avionics systems, communication equipment, and home automation, where reliability and performance are critical. 📌Key Highlights • 12+ years experience in electronics hardware design • Multi-layer PCB design for high-speed, RF, and mixed-signal systems • Product development support from idea to mass production • Experience coordinating electronics, mechanical design, and manufacturing • Work on both industrial and commercial electronic products • Strong Upwork history with repeat clients and long-term collaborations 🛠️ What I Can Help You With 💡 Product Development • Supporting projects from early concept to production • System architecture and electronics design • Coordination between PCB design and mechanical enclosure constraints • Assistance up to complete box-build stage 📐PCB Design • Schematic capture and hardware architecture • IPC-compliant footprints and STEP-based 3D models • Multi-layer PCB layout (Rigid, Flex, and Rigid-Flex) • PCB placement and routing for high-speed and complex designs • BOM preparation and manufacturing data generation 📡 Technology Experience ⚡ High-Speed Digital Systems • SOM (System-on-Module) based designs • FPGA and DSP platforms • ARM Cortex systems and microcontrollers (PIC, Atmel, STM32, TI MSP series) • DDR2 / DDR3 memory • NAND Flash and eMMC • USB 2.0 / USB 3.0 hub controllers • PCIe interfaces • Gigabit Ethernet • HDMI • UHS SD cards • MIPI (CSI / DSI) and RGB LCD interfaces 🌐 Wireless and IoT Systems • WiFi • GSM / LTE / NB-IoT • LoRa • Bluetooth • ZigBee • GPS / GLONASS • NFC reader and tag systems • PCB and chip antenna implementation 🔌 Power and Control Electronics • Motor control systems • Board power estimation and power architecture • Linear and switching regulators • PMIC integration • Power-over-Ethernet (PoE) • Wireless charging systems • Battery monitoring, balancing, and gauge circuits • Single-cell and multi-cell battery charging systems 🏗️ Prototyping and Production Support • Managing PCB manufacturing for prototype and mass production quantities • Electronics component sourcing and BOM management • Coordination with PCB assembly houses and electronics manufacturers • Assistance in finding reliable and cost-effective manufacturing partners • Supporting projects from design stage to complete product assembly 🔍 Hardware Validation • Board bring-up and functional testing • Hardware debugging and verification • Embedded firmware support when required ⚙️ EDA Tools • Altium Designer • KiCad • Eagle PCB 🔧Mechanical Integration • Working with enclosure formats such as STEP and DXF • PCB 3D model verification for mechanical compatibility

I am Dr. Muhammad Ayaz, a PhD in Electrical Engineering, IEEE Professional Member, and Top-Rated Plus freelancer with 10+ years of experience in RF, microwave, antenna, and PCB design. I specialize in designing high-performance antenna systems, RF/microwave circuits, and advanced PCB layouts for modern wireless and communication applications. I help clients transform concepts into manufacturable and prototype-ready hardware using advanced electromagnetic simulation, RF optimization, and high-speed PCB design techniques. ⭐ Core Expertise ✅ Antenna Design & Optimization 🔹 Microstrip patch, monopole, dipole, slot & PIFA antennas 🔹 Helical, horn, dielectric resonator (DRA) & reflector antennas 🔹 Vivaldi, Yagi-Uda, loop & fractal antennas 🔹 Single-element and antenna array designs 🔹 Linear, circular, phased & beamforming arrays 🔹 MIMO, dual-polarized & compact antennas 🔹 5G/6G, mmWave, UWB & wideband antennas 🔹 Planar, conformal & wearable antenna structures 🔹 Gain, bandwidth & impedance matching optimization 🔹 RF performance enhancement and antenna miniaturization ✅ RF & Microwave Engineering 🔹 RF front-end and microwave circuit design 🔹 Filters, couplers, power dividers & matching networks 🔹 RF system integration & optimization 🔹 Signal integrity and RF performance analysis 🔹 Microwave passive component design ✅ PCB Design & Fabrication 🔹 RF & high-speed PCB layout (1–10 layers) 🔹 Controlled impedance routing 🔹 EMI/EMC-aware PCB design 🔹 Compact and manufacturable PCB layouts 🔹 PCB fabrication support and prototype development 🔹 Altium Designer, KiCad & OrCAD PCB development ✅ Simulation & Engineering Tools 🔹 CST Microwave Studio Suite 🔹 HFSS (High Frequency Structure Simulator) 🔹 ADS (Advanced Design System) 🔹 AWR Microwave Office 🔹 Altium Designer, KiCad & OrCAD 🔹 MATLAB, LTSpice, PSpice & Multisim ✅ Antenna Testing & Validation 🔹 Fully calibrated anechoic chamber facility 🔹 Vector Network Analyzer (VNA) based RF measurements 🔹 Antenna testing and performance validation 🔹 S-parameters (S11), VSWR & radiation pattern measurements 🔹 RF tuning, debugging & optimization 🔹 Prototype bring-up and hardware verification ⭐ Why Clients Choose Me? 🔹 PhD specialist in RF, microwave, antenna & PCB systems 🔹 Strong research and industry experience 🔹 Proven success as a TOP-RATED PLUS freelancer 🔹 Real hardware prototyping and testing capabilities 🔹 Focus on performance, reliability & manufacturability 🔹 Professional communication and on-time delivery 🔹 End-to-end support from concept to prototype and testing ⭐ Project Types 🔹 Antenna design & optimization 🔹 RF/microwave circuits & systems 🔹 Antenna arrays & beamforming systems 🔹 RF PCB layout & high-speed PCB design 🔹 PCB fabrication and prototype support 🔹 Antenna measurement & RF testing 🔹 Integrated RF + PCB solutions If you need a senior engineer in RF, microwave, antenna, and PCB design who understands both theory and real-world implementation, including fabrication and testing support, let’s discuss your project. ⭐ Budget & Ordering Available for both fixed-price and hourly projects ($50/hour). Contact me today to discuss your project requirements. Best Regards, Dr. Muhammad Ayaz PhD | Senior RF, Microwave, Antenna & PCB Design Engineer

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

With over 13 years of experience in PCB designing, hardware development, and component sourcing, I have successfully designed and implemented a wide range of projects. My expertise spans various domains, including FPGA-based systems, BLE (Bluetooth Low Energy), IoT (Internet of Things), NB-IoT (Narrowband Internet of Things), and power supply circuits. Key Highlights: - **PCB Design**: Proficient in creating intricate PCB layouts, including high-speed, differential pairs, and RF track and antenna routing. - **Layer Stack-Up**: Accomplished designs with up to 16 layers, ensuring optimal signal integrity and performance. - **EDA Tools**: Adept at using industry-standard EDA tools, including: - **Altium Designer**: Leveraging Altium's comprehensive suite for schematic capture, PCB layout, and 3D visualization. - **Autodesk Eagle and Eagle 360**: Familiar with Eagle's user-friendly interface and cloud-based collaboration features. - **Mentor Pads9.5 and Mentor Graphics PADS Pro VX.2.10**: Experienced in constraint-driven design and signal integrity analysis. - **Orcad Allegro 17.2**: Proficient in complex PCB designs using Cadence's powerful toolset. - **KiCad**: Skilled in open-source PCB design with KiCad, benefiting from its community-driven development. - **PCBweb, EasyEDA & Fritzing**: Versatile in using online platforms for various design requirements. - **MCUs and Processors**: Proficient with various microcontrollers (MCUs) and processors, including: - STM32 family (e.g., STM32F4, STM32H7) - Atmega series (e.g., Atmega328P) - PIC microcontrollers (e.g., PIC16, PIC18) - ARM Cortex-M series (e.g., Cortex-M0, Cortex-M4) - ESP8266 and ESP32 - Raspberry Pi (ARM-based) - Intel x86 processors (e.g., Core i7, Xeon) - AMD Ryzen processors - **FPGA Expertise**: Versed in designing for various FPGA families, tailoring solutions to project-specific requirements. - **Bluetooth Low Energy (BLE)**: A wireless, low-power communication standard for IoT devices. - **Global Navigation Satellite System (GNSS)**: Satellite-based positioning systems (e.g., GPS, Galileo) for location tracking. - **Narrowband IoT (NB-IoT)**: Cellular technology designed for low-power, wide-area IoT applications. - **Quality of Service (QoS)**: Ensuring reliable and predictable performance in IoT networks. PER hour rate for 2 Layer PCB=$10 PER hour rate for 4 Layer PCB =$20 PER hour rate for 6 Layers PCB=$25

Electrical Engineer specializing in end-to-end hardware development, from power systems to embedded RF applications. I transform concepts into manufacturing-ready PCBs, handling everything from schematic capture to multi-layer routing, DFM handoffs, and 3D enclosure integration. Core Expertise: PCB & Hardware Design: Altium Designer, KiCad, EasyEDA Power Systems & Industrial Control: Load flow studies, symmetrical component fault analysis, and robust industrial control panel design (including RO/UV systems). Embedded & RF Prototyping: ESP32, STM32, IoT mesh networks, and antenna/RF layout optimization for wireless communications. Simulation & Validation: PSpice, Proteus, LTspice Services I Offer: Schematic Capture & Conceptual Circuit Design Multi-layer PCB Layout, Routing, & Component Selection Gerber Generation, BOM Management, & Manufacturing Handoff Fault Analysis & Power System Optimization Hardware Testing & Technical Troubleshooting Whether you need a rigorous industrial control board, complex power calculations, or a rapid IoT prototype with strict RF constraints, I deliver robust, fully tested designs optimized for manufacturing. Let's bring your hardware project to life.