Hire the Best Analog Electronics Specialists
in Pakistan

My name is Atta-ur-Rehman, a Senior Embedded System and PCB Design Specialist. Experience • 14 years of total experience, with a focus on Embedded systems Firmware development and PCB design since 2011. • Extensive work with international clients on diverse industrial products . • Extensive work with Multinational companies as a Remote firmware and PCB designer. Skills • Programming languages: C, C++, Python, Assembly. • Microcontrollers: Arduino, STM32, PIC , AVR , ARM M series, ESP32, ESP8266 • Single Board Computers : Raspberry pi (all models ), Orange pi (all models ) , • Compilers : Keil MDK arm , ESP-IDF , Mplab , MikroC , Eclipse , arduino , STM32 Cube ide . • Communication protocols: USART, SPI, I2C, Ethernet, Wi-Fi , Modbus , CAN , BLE , OBD . • Operating Systems: Embedded Linux, FreeRTOS ,Windows • Design tools: Expert in EDA tools like Altium, Eagle, KiCad, and simulation tools like SPICE or SPICE-like tools. • Cloud platforms: AWS IoT, Google Cloud IoT, Microsoft Azure IoT. • Cybersecurity: Knowledge of security principles and best practices for embedded systems. • Version control: Proficiency with Git, SVN, or other version control systems. Career Highlights • Developed innovative solutions for automotive, Avionics , communication ,power , healthcare, and consumer electronics sectors. • Successfully managed and delivered multiple high-impact projects, exceeding client expectations.

50+ hardware and embedded systems projects delivered, from concept through manufacturing. Full project lifecycle ownership: requirements → schematic → PCB layout → firmware → prototyping → testing → DFM/production handoff. Projects spanning industrial electronics, IoT devices, RF systems, wearables, and battery-powered products. I design and build hardware products that survive real-world contact — not just designs that work in simulation. For 6+ years, I've taken products from a blank schematic to manufactured, field-deployed hardware: industrial electronics, IoT devices, RF systems, and embedded platforms used in real industrial and consumer environments. I work across the full stack — system architecture, PCB layout, firmware, prototyping, and DFM — so you get one engineer who understands how a firmware design decision affects the PCB, and vice versa. If you need someone who can own a hardware product end-to-end, or step into a specific phase (schematic review, firmware bring-up, RF tuning, manufacturing prep), I can help. WHERE I ADD THE MOST VALUE Custom PCB design, 2–12 layers, including high-speed digital and RF layouts EMI/EMC-aware design and Design for Manufacturing (DFM) Embedded firmware in C/C++ for ESP32, STM32, nRF52/nRF53, RP2040, and ARM Cortex-M platforms IoT connectivity: Wi-Fi, BLE, LoRa, GSM/LTE, GPS/GNSS, cloud-connected devices Industrial communication: UART, SPI, I²C, RS485, Modbus, CAN Bus Power electronics: battery management systems (BMS), DC-DC converters, SOC/SOH estimation, industrial power monitoring Prototype-to-production support, including BOM creation and manufacturing handoff RECENT WORK Industrial gas metering system (EVC V5) — redesigned the hardware architecture with RS485, CAN Bus, and Modbus communication, built to meet EMI/ESD protection and hazardous-environment requirements. Ground Penetrating Radar — designed a 100–900 MHz subsurface sensing system built around a high-efficiency Class-E RF power amplifier and custom embedded electronics. EEG smart glasses — developed wearable electronics for brainwave acquisition, signal conditioning, embedded processing, and wireless transmission. Dual-MCU wireless audio platform — low-power architecture combining nRF5340 and ESP32-S3, with BLE, Wi-Fi, secure storage, and advanced power management. Energy monitoring & battery management platform — multi-source monitoring across AC power, solar generation, and battery storage, with SOC/SOH estimation, GSM connectivity, Ethernet, and remote monitoring. High-power RF amplifier — 100 MHz Class-E design delivering up to 1 kW output. Multiple ESP32-based industrial and consumer products — automation, environmental monitoring, sensing, and data acquisition. Aero-Guide robot — autonomous, AI-assisted navigation platform, finalist in a national engineering competition. WHAT YOU GET WORKING WITH ME Clear technical communication from day one — I'll tell you early if something won't scale, won't pass EMC, or won't be manufacturable, rather than letting you find out after fabrication. Deliverables built for handoff: schematics, PCB layouts, Gerbers, BOMs, manufacturing files, firmware, and documentation — organized so another engineer (or your future self) can pick them up. Fast, practical problem-solving when prototypes don't behave as expected. A focus on shipping reliable, buildable hardware — not just a working bench demo. Outside of engineering, I spend time mountain trekking, with expeditions to several major peaks in Pakistan, including base camps of multiple 8,000m mountains. It's where I keep my planning and problem-solving instincts sharp under pressure — skills that translate directly into debugging hardware at 2 am before a deadline. If you have a hardware or firmware challenge — from a rough concept to a stalled prototype that needs fixing — I'd be glad to take a look and tell you honestly what it'll take to get it done right.

What I Can Help You With ⚡Component Selection & Sourcing MCU/SoC, FPGA, PMIC, RF, GPS, sensors, passives with calculations. Cross-ref, cost optimization, LCSC/DigiKey/Mouser sourcing, EOL/NRND mitigation. 🔋Power Design LDO, buck/boost, Li-ion/LiPo, PMICs, protection (OVP/OCP/UVP), thermal, sequencing. 📡RF, GPS , Wireless & UWB BLE, WiFi, Zigbee, LoRa, NFC, LTE/5G, GSM, GNSS, antenna & RF layout, SIM interfaces. 🔌High-Speed & Mixed Signal USB, Ethernet, LVDS, SPI/I2C/UART/CAN/RS485, ADC/DAC, SI/impedance. 📐 Schematic & PCB Decoupling, protection, stack-up, EMI/EMC, routing, DFM. 🔒 MCU/FPGA & Bio-Signal Integration STM32, ESP32, nRF52, RP2040, i.MX RT, ATSAMD21, XC7A50T-FTG256, XC6SLX45-FG484, ADS1299IPAG, SX1276, SIM7600,SIM7080G, BG95M1LA64S, GNS NEO-M8N — pin mapping, boot, clocks, OTA/security. 📊 Sensors & Analysis IMU, pressure, temp, gas, bio-sensing; power, filters, battery life. 🏭 Production Ready BOM, Gerbers, CPL, bring-up. ✍️ Docs & Proposals **7+ years delivering production-grade hardware with real engineering depth.**

I’m a PCB Design Engineer with 12+ years of experience in Altium Designer, specializing in IoT hardware, embedded systems, and power electronics. I design reliable, efficient, and manufacturable PCBs — from concept to final prototype. Over the years, I’ve worked on projects ranging from ESP32/STM32-based IoT devices to high-efficiency Medical Devices, Motor drivers, and FPV Drone boards. My focus is on performance, signal integrity, and low power loss — ensuring every design is optimized for real-world conditions. 💡 What I Offer PCB schematic capture and multilayer layout (Altium Designer) IoT and embedded boards using ESP32, STM32, and Raspberry Pi Design verification, simulation (Proteus/Multisim) Gerber, BOM, and fabrication-ready documentation 🎯 Why Work With Me ✔️ Strong background in electronics design for commercial and defense projects ✔️ Focused on clear communication and timely delivery ✔️ Deep understanding of DFM (Design for Manufacturing) and prototyping Let’s collaborate to turn your idea into a high-performance, production-ready PCB.

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.

✅RF Design✅ Embedded Systems✅Microcontroller Programming✅High-Speed PCB✅Hardware Prototyping✅Analog & Digital Electronics✅Circuit Analysis✅PCB Design✅Circuit Design ✅ PCB Layout ✅ Gerber Files✅Bill of Materials (BOM) ✅ Hardware Debugging✅ 3D CAD Modeling ✅SolidWorks ✅ Mechanical Design We are a team of professional Electronics Engineers with 8 years of experience in PCB design, circuit design, and embedded systems. We help startups and companies turn ideas into high quality, production ready electronic products. Our team approach allows us to handle complex and large scale projects efficiently, ensuring faster delivery without compromising quality. Expertise: ✔ Reverse Engineering & Troubleshooting ✔ PCB Design (Single, Double & Multilayer) ✔ Circuit & Schematic Design ✔ High Speed & RF PCB Layout ✔ Gerber, BOM & Pick and Place Files ✔ Embedded Systems (Arduino, ESP32, STM32, PIC) ✔ IoT Product Development Why Choose Us: ✔ Dedicated team for faster turnaround ✔ Production ready & manufacturable designs ✔ Strong communication & quick response ✔ Ontime delivery with high quality ✔ Long term support for your projects If you are looking for a reliable engineering team to bring your idea to life, feel free to invite us to your project.