Design Engineers pentru angajare
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Hi, I'm Raseduzzaman Ruman, a passionate and results-driven PCB Design Engineer with 6+ years of experience transforming innovative ideas into production-ready, reliable electronic hardware. I’ve successfully delivered PCB designs for IoT devices, power electronics, industrial control systems, and RF/high-speed...Hi, I'm Raseduzzaman Ruman, a passionate and results-driven PCB Design Engineer with 6+ years of experience transforming innovative ideas into production-ready, reliable electronic hardware. I’ve successfully delivered PCB designs for IoT devices, power electronics, industrial control systems, and RF/high-speed communication boards. Whether you're a startup prototyping your first product or an established company optimizing for production, I’m here to help you reduce costs, improve performance, and accelerate time-to-market. If you have a clear idea and need a dedicated expert to turn it into a manufacturable PCB, I’ll support you through every phase—from schematic capture to final testing. Core Services ✅Schematic Capture & Component Selection ✅ Multilayer PCB Layout (2–12 Layers, impedance controlled when required) ✅Power Electronics Design (DC-DC, SMPS, BMS) ✅RF & High-Speed PCB Design (USB, Wi-Fi, BLE, GSM, GPS, etc.) ✅ Microcontroller-Based PCB Design with multiple analog and digital sensor integration ✅ DFM Review & Optimization ✅ Gerber, BOM, Pick-and-Place File Generation ✅ Redesign, Reverse Engineering, Cost Optimization ✅ Prototyping & Production Support ✅Ordering PCB & PCBA from JLCPCB or PCBWay. Tools & Platforms I use ⚙️ PCB CAD Software: ✅Altium Designer, Autodesk Eagle, EasyEDA, KiCad ⚙️ Simulation Software: ✅ LTSpice, PSpice, Proteus, Multisim, TINA-TI, Fritzing ⚙️ Firmware (for hardware validation): ✅Languages: C/C++, Python ✅IDEs: Arduino IDE, Platform IO, STM32CubeIDE ⚙️ Communication Protocols: ✅Proficient in microcontroller and sensor communication through I²C, SPI, UART, RS-232, CAN, 1-Wire, I²S. ⚙️ Wireless & IoT: ✅Proficient in integrating IoT protocols like BLE, Wi-Fi, GSM, GPS, Zigbee, and Lora. ⚙️ Testing & Debugging ✔Test plan creation and validation ✔Fault resolution and root-cause debugging ✔User manuals and technical documentation ✔Full support during product testing and iteration Why Clients Choose Me ✔ 6+ years of proven PCB design success across industries ✔ Precision layouts with signal and power integrity best practices ✔Circuit validation through simulation and datasheet-based analysis ✔Effective collaboration with firmware & MCAD teams ✔ Strong sourcing knowledge and BOM cost control ✔ End-to-end support from design to production ✔ Timely delivery, transparent communication, and full project ownership ✔NDA-ready and IP-respectful work ethic Let’s Build Something Great Together If you're looking for a skilled PCB design expert who can bring your electronic product to life with precision and speed—let's talk! ✅ Click "Invite to Job" or send me a message to discuss your project today! mai puțin
Angajează pe PCBDESIGNER38
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⭐️⭐️⭐️⭐️⭐️ Embedded Systems Engineer with over 4 years of industry experience delivering complete, production-ready solutions in hardware design, firmware development, and product integration. As a freelance engineer, I’ve collaborated with startups and established companies to bring over 20 products to market...⭐️⭐️⭐️⭐️⭐️ Embedded Systems Engineer with over 4 years of industry experience delivering complete, production-ready solutions in hardware design, firmware development, and product integration. As a freelance engineer, I’ve collaborated with startups and established companies to bring over 20 products to market across the consumer, industrial, and medical sectors. I work across the full product lifecycle — from early specification and prototyping to manufacturing support and field testing. My expertise spans custom PCB design, RTOS-based and bare-metal firmware, and embedded Linux systems, using technologies like Altium, STM32, nRF52, ESP32, FreeRTOS, Zephyr, and more. I also support clients with architecture decisions, hardware/firmware co-design, and design optimization for cost, manufacturability, and reliability. Relevant Skills: ● Hardware design and PCB development (Expert) - Custom PCB design: Rigid, Flex and Rigid-flex technologies. - EDA tools: Altium Designer, OrCAD and KiCAD. - System-level design and project planning. - Schematic capture and library management. - Multilayer layout design following IPC and industry best practices. - High-speed digital, mixed-signal, RF/wireless, and power electronics design. - Interfaces: DDR, LVDS, HDMI, SATA, USB, Ethernet. - Circuitry: DC-DC converters, MCU/MPU/SoCs, ADCs/DACs, sensors, etc. - Familiar with PCBA manufacturing/assembly requirements and DFM/DFT rules. ● MCU Firmware programming (Advanced) - Languages: C, C++, Rust, ARM Assembly. - IDEs and tooling: Eclipse-based, VSCode, bare-metal toolchains, Make/CMake. - Firmware architectures: Bare-metal, RTOS, HAL/LL APIs. - RTOS: FreeRTOS, Zephyr (hands-on experience). - Ecosystems: STM32 (HAL/LL), Espressif (ESP-IDF), Nordic (nRF SDKs). - Version control: Git and SVN. - Familiarity with MISRA C/C++ standards - Architectures: ARM Cortex-M/R, Xtensa (ESP32). - Driver development: I2C, SPI, UART, ADC, PWM, external ASICs. - Protocols & stacks: BLE, LoRaWAN, HTTPS, MQTT. ● Embedded Linux development (Intermediate) - Linux for custom hardware platforms (MPUs). - Yocto Project: Linux distribution configuration and build. - Device tree and kernel driver development (sensors, ASICs, etc.).- Application development in C, C++, Python, Rust. - ARM Cortex-A architecture familiarity. ● FPGA & HDL Development (Intermediate) - FPGA/SoC development using Verilog, SystemVerilog, and VHDL. - Platforms: Xilinx Spartan-7, Zynq-7000; Intel (Altera) Cyclone, MAX series. - Custom IP design and hardware/software integration. - Familiarity with AXI/AMBA bus architectures. If you’re interested in working with me, I’m available via Freelancer and will always answer your questions or requests promptly. Thank you for your time and have a great day. mai puțin
Angajează pe cmsivolella
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I am a full-stack "Web and Mobile Application Developer" with extensive experience building scalable, high-performance solutions across a wide range of technologies and industries. I specialize in turning complex ideas into reliable, user-friendly products, from early prototypes to production-ready systems. On the...I am a full-stack "Web and Mobile Application Developer" with extensive experience building scalable, high-performance solutions across a wide range of technologies and industries. I specialize in turning complex ideas into reliable, user-friendly products, from early prototypes to production-ready systems. On the web side, I work confidently with "Node.js, React.js, Next.js, Vue.js, Laravel, PHP, Django, .NET, C#", and "Go", designing robust backends, RESTful and real-time APIs, and modern frontend architectures. I place strong emphasis on clean code, performance, security, and long-term maintainability. For mobile development, I build cross-platform and native applications using "React Native" and "Flutter", delivering smooth, responsive experiences on both iOS and Android. I also have experience integrating complex features such as real-time data, payments, authentication, and third-party APIs. I am comfortable working with "C, C++, Python", and low-level logic where performance and system control matter, as well as CMS and e-commerce platforms like "WordPress" and "Shopify", including custom themes, plugins, and advanced integrations. Beyond coding, I have strong experience in system design, database modeling, cloud deployment, and DevOps-friendly workflows. I communicate clearly, work independently, and collaborate effectively with designers, product managers, and distributed teams. My goal is always to deliver clean, scalable, and well-documented solutions that solve real business problems and are easy to extend in the future. mai puțin
Angajează pe artakharutyun7
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DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux...DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms -BLDC motor -Step motor -DC motor Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reade rand transmitter -Magneticreader PowerElectronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design -Easyeda -CAD files of manufacturers Embedded system -ESP32,ESP8266,modules -Bluetooth and Wifi -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas -STM32 -C2000 Matlab -Power Electronics simulation -Motor drive -WindEnergy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation (TI,National, LinearTech, Maximlibraries) -LTI -National -Matlab -Easyeda mai puțin
Angajează pe macroenergy
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As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience...As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience in working with PCB manufacturers, component suppliers, and PCBA services ensures a smooth process and high-quality results. Our communication style is professional, yet casual, ensuring a positive working experience for all parties involved. With a focus on precision engineering and attention to detail, we are committed to delivering solutions that meet your requirements. While my Ph.D. and position as a professor at the Mar del Plata National University are important components of my expertise, our focus is on providing complete solutions for your electronic design needs. Let us help you engineer success. Analog/Digital electronics design PCB layout (IPC related) Firmware development for ESP32, STM32, PIC, Atmel, Silabs. nRF RTOS, FreeRTOS, Zephyr Low, Medium and high-level programming: Python, C, C++, ASM, Matlab, Arduino Signal conditioning and processing, analog and digital filtering Fuzzy logic & machine learning 3D modeling and printing Product design mai puțin
Angajează pe chuledeco
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🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+...🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+ years of experience in electronics engineering and embedded systems, I bring deep technical expertise and a hands-on approach to every project. ✅ Core Services PCB Design & Circuit Development Schematic capture, multi-layer PCB layout, signal integrity, and manufacturing-ready Gerber files. Tools: Altium, KiCad, Eagle, EasyEDA. Embedded Systems & Firmware Custom firmware for STM32, ESP32, Arduino, and ARM Cortex-based boards. RTOS, interrupt handling, I2C/SPI/UART/ADC, BLE & Wi-Fi protocols. Power Electronics & Battery Management DC-DC converters, BMS (Battery Management Systems), inverter designs, and charger integration for Li-ion, LFP, and solar-powered systems. IoT & Wireless Solutions Sensor-based systems with real-time wireless data transmission via LoRa, BLE, Wi-Fi, and GSM. Cloud integrations with MQTT, Firebase, and REST APIs. RF circuit design for BLE, LoRa, Wi-Fi, GSM, ISM band devices Custom antennas (patch, dipole, monopole, fractal) Matching networks, impedance tuning, VNA testing, EMI/EMC compliance Automation & Control Systems Custom control panels, PLC alternatives, smart switching circuits, motor drivers, and analog/digital feedback control loops. Simulation & Analysis Circuit simulation (LTspice, PSpice), power analysis, EMI/EMC considerations, and thermal management. 🧰 Tech Toolbox Design Tools: Altium Designer, KiCad, Eagle, OrCAD, EasyEDA Simulation & Modeling: LTspice, PSpice, MATLAB/Simulink Microcontrollers: STM32, ESP32, AVR, TI MSP430, Arduino Communication Protocols: BLE, Wi-Fi, LoRa, MQTT, Modbus, RS232, I2C, SPI, UART, UDP Programming Languages: C, C++, Embedded C, MicroPython Testing & Measurement: Oscilloscope, Logic Analyzer, Multimeter, Signal Generator Standards & Compliance: DFM, EMI/EMC Best Practices, ISO/IEC Specifications I will be happy to help translate your ideas into reality. mai puțin
Angajează pe oleksandrt68
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I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI...I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI reduction) - High-speed and mixed-signal PCB design (impedance and length matching) - Schematic & PCB layout and BOM for production-ready hardware - Power supply and filtering design - Antenna design and tuning (GNSS, Wi-Fi, ISM bands...) Typical work: - Wi-Fi, BLE, LoRa, and custom RF hardware - Compact and embedded antennas - Multilayer PCBs optimized for performance and cost - Design review, layout correction, and RF/EMI troubleshooting Tools: - RF design and simulation tools (ADS, CST, and HFSS) - PCB design tools (Altium, KiCAD, OrCAD, PADS, and EasyEDA) - Others (NI Multisim, Proteus, Matlab...) Thanks for visiting my profile. mai puțin
Angajează pe leonidye
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Bachelor of Software Engineering, Video and Audio expert, Advanced Level in English and Native Spanish Speaker, committed to work, responsible and punctual. ✅ +350 projects completed for big enterprises and international clients ✅ Unlimited revisions ✅ Full time freelancer ✅ Excellent Communication ✅ 100%...Bachelor of Software Engineering, Video and Audio expert, Advanced Level in English and Native Spanish Speaker, committed to work, responsible and punctual. ✅ +350 projects completed for big enterprises and international clients ✅ Unlimited revisions ✅ Full time freelancer ✅ Excellent Communication ✅ 100% satisfaction I will help you with any project related to: ✅ Software Engineering: Website Development, Mobile Apps, Database Administration, Data Analysis, Automations and more! ✅ Video: Video Editing, Animation and Design (2D & 3D), Whiteboard Videos, Motion Graphics and more! ✅ Design: Logos, posters, websites, social media content, brochures, presentations, and more! ✅ Audio: Audio Editing, Voice Over, Audio Production including Mixing and Mastering of Music (I also offer Promotion for Artists), Podcasts and more! Click on "Request Quote" and let's start working on your project! mai puțin
Angajează pe Giovanni704
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I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise ->...I am a dedicated Electrical Engineer with a Master’s in Embedded Systems, specializing in firmware development, PCB design, and complete IoT product engineering. From concept to market-ready product, I deliver robust embedded solutions that combine hardware, software, and intelligent connectivity. Core Expertise -> Microcontrollers & Embedded Systems: STM32, ESP32, TI Tiva, C2000, MSP430 (Texas Instruments), NXP LPC & i.MX RT, Nordic nRF52/nRF53, Microchip PIC32 & dsPIC, Raspberry Pi, and Arduino. -> Firmware Development: Embedded C/C++, RTOS, DMA, peripheral drivers, wireless stacks (BLE, Wi-Fi, LoRa, Zigbee). -> PCB Design & RF Hardware: Professional PCB layouts using Altium Designer, KiCad, Eagle, EasyEDA and Target. Specialized in RF, IoT, and high-speed boards. -> FPGA Development: Verilog/VHDL for signal processing, hardware acceleration, and high-performance digital systems. -> AI, Machine Learning & Deep Learning: Intelligent algorithms for edge devices, control, and data analysis. -> Robotics & Control: Robotic platforms, precision motor control (FOC, PID), and industrial automation. -> Biomedical Instrumentation: Embedded systems for healthcare and diagnostic devices. -> CAD & Mechanical: 3D CAD modeling for custom housings and production-ready enclosures. Full Product Development Workflow From Idea → Prototype → Final Product System Architecture & Schematics Firmware Development (optimized embedded coding & drivers) PCB Design (multi-layer, RF, low-power, IoT-ready) AI/ML Integration (edge computing & analytics) IoT Connectivity (MQTT, APIs, BLE, Wi-Fi, LoRa, Zigbee) Web & Mobile App Development (real-time dashboards & control apps) Mechanical CAD (3D modeling & enclosures) Software Development Web Applications: Cloud dashboards, real-time monitoring, secure APIs, SaaS platforms. Mobile Applications: Cross-platform IoT control, monitoring, and productivity apps. IoT Communication: Secure & scalable device-to-cloud pipelines (MQTT, REST, WebSockets). Trading & FinTech: Algorithmic trading systems, exchange integrations (Binance, TradingView APIs). Game Development: WebGL, HTML5, Unity3D, 3ds Max, Maya, Unreal Engine 4/5, Godot. Emerging Tech: Blockchain & Web3 apps, AI-powered platforms, cloud-native solutions (AWS, Azure, GCP). mai puțin
Angajează pe Mahihassi
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Analog / Semnal mixt / Digital, Inginerie audio, Prelucrare audio, Servicii audio, Prelucrare digitală a semnalelorCreative and detail-oriented Sound Designer with a strong passion for crafting immersive audio experiences across film, video games, commercials, digital media, and interactive projects. Skilled in sound editing, sound effects creation, audio mixing, and post-production, with a focus on enhancing storytelling through...Creative and detail-oriented Sound Designer with a strong passion for crafting immersive audio experiences across film, video games, commercials, digital media, and interactive projects. Skilled in sound editing, sound effects creation, audio mixing, and post-production, with a focus on enhancing storytelling through high-quality, impactful sound design. Experienced in developing original soundscapes, designing custom effects, cleaning and enhancing dialogue, and balancing audio elements to achieve professional, polished results. Adept at collaborating with directors, developers, and creative teams to understand project vision and translate it into compelling audio that elevates the overall production. Proficient in industry-standard DAWs and audio tools, with a strong understanding of acoustics, timing, and emotional tone. Known for reliability, creativity, and the ability to deliver clean, production-ready audio under tight deadlines. mai puțin
Angajează pe josephc213
