Embedded Engineer/RF Engineers For Hire
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Hire cmsivolella
⭐️⭐️⭐️⭐️⭐️ 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. less -
Hire RomanGolovin1
I am a Senior Full-Stack Developer with over 7 years of experience in designing, developing, and optimizing web applications. My expertise spans both front-end, back-end technologies and cloud platforms, including JavaScript (React, Angular, or Vue.js), Node.js, Python,AWS, Azure and databases like PostgreSQL and...I am a Senior Full-Stack Developer with over 7 years of experience in designing, developing, and optimizing web applications. My expertise spans both front-end, back-end technologies and cloud platforms, including JavaScript (React, Angular, or Vue.js), Node.js, Python,AWS, Azure and databases like PostgreSQL and MongoDB. I specialize in building scalable, high-performance applications, leading development teams, and implementing best coding practices. I am passionate about creating efficient, secure, and user-friendly solutions that drive business growth. With a strong foundation in Agile methodologies and DevOps practices, I thrive in fast-paced environments where innovation and problem-solving are key. I look forward to contributing my skills to challenging and impactful projects. less -
Hire RaspberryOculus
RaspberryOculus RaspberryOculus
$47 USD / hour
27 years Zynq PYNQ RF/SDR (DDC/NCO) | DSP ZephyrIndiaOverview: I do not just write RTL or embedded C. I am a Systems Architect who owns the verification and physical-world hardware integration. I solve the complex bottlenecks where software meets physics—timing drift, signal noise, and DFM/EMC compliance—so your system actually works in the real world, not just in a...Overview: I do not just write RTL or embedded C. I am a Systems Architect who owns the verification and physical-world hardware integration. I solve the complex bottlenecks where software meets physics—timing drift, signal noise, and DFM/EMC compliance—so your system actually works in the real world, not just in a simulator. Specific Hardware & Silicon Expertise: FPGA & RF: Xilinx Zynq-7020, PYNQ, Digital Down Conversion (DDC) IP Cores, NCO/PLL architecture, HackRF, Autonomous SDR systems. Embedded SoCs: STM32 (H7/F4), ESP32-S3, ARM Cortex-M. Physical Layer: Altium Designer, High-Speed Signal Integrity, Thermal Analysis, DFM/DFA/EMC compliance for Defense and Medical hardware. Protocols & Architectures: * ACARS/ED137 ground station radio standards. * Zephyr RTOS & FreeRTOS deterministic task scheduling. * NIST Post-Quantum Cryptography for edge devices. * Edge AI (TinyML) inference pipelines under thermal constraints. **How I Work (The Guarantee):** When I deliver a Zynq IP core or an ESP32 firmware build, it comes with the "Ground Truth"—benchmark tables (latency, jitter, power draw) and physical oscilloscope verification. You are paying for risk reduction and guaranteed integration, not just lines of code. less -
Hire lazarr4
What makes a great product? Is it a stunning design? Lightning-fast performance? I believe there is only one true measure of a product's success: its ability to generate real business results. With that philosophy at the core of my work, I combine innovative thinking, proven technical expertise, and years of...What makes a great product? Is it a stunning design? Lightning-fast performance? I believe there is only one true measure of a product's success: its ability to generate real business results. With that philosophy at the core of my work, I combine innovative thinking, proven technical expertise, and years of hands-on experience to build products that do more than simply look impressive they create measurable value, drive growth, and increase revenue. The technical skills outlined below, together with my creativity and extensive industry experience, provide the foundation for turning ambitious ideas into successful, results-driven products. ✅ Web Design - Responsive Web design - Modern and Clean design - Powerful UI/UX ✅ Shopify App Development - Shopify Theme Development - Custom Shopify Apps (Node.js, React, Laravel) - Shopify API (REST & GraphQL) - App Extensions & Shopify Functions ✅ WordPress Development - WooCommerce E-Store Development - Customize WordPress Theme - WordPress Theme and Plugin Development ✅ Python & Node.js Development - Scalable Marketplace Development with Django and React. - Flexible E-Commerce Platform with Node and Next. - Accurate Financial Prediction Platform Development With AI ✅ SEO & Digital Growth Optimization - Comprehensive SEO Audit & Growth Strategy - Technical SEO Implementation - Keyword Research & Competitor Analysis - On-Page & Off-Page SEO Optimization - Website Performance & Mobile Optimization - Search Engine Visibility Improvement ✅ AI Integration & Intelligent Solutions - Custom AI Solutions with OpenAI, Claude & Gemini APIs - AI Chatbot Development & Customer Support Automation - RAG Architecture with Vector Databases (Pinecone, Qdrant) - AI Agents & Autonomous Workflow Automation - LLM Integration with Web Applications & SaaS Platforms - AI-Powered Data Processing & Predictive Analytics - Serverless AI Architecture & Scalable API Integration Let’s collaborate and build something extraordinary together! less -
Hire KESHAVINFOTECH
KESHAVINFOTECH KESHAVINFOTECH
$7 USD / hour
Quick & Affordable AI Dev: Mobile, Web, Games, IoTIndia18+ Years | Unity Games, Mobile & Web Apps | Top-Ranked on Freelancer Hi there! I'm Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+ experts...18+ Years | Unity Games, Mobile & Web Apps | Top-Ranked on Freelancer Hi there! I'm Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+ experts working from our 5,000-sq-ft office. We aren't just "tech guys." We are "techpreneurs" who love building great products. Game Development Building games is some of the most rewarding work we do. Our team develops high-quality Unity games, and we bring the same discipline to a game project that we bring to any app: clear planning, tight testing across devices, and regular reviews so you always know where things stand. If you have a game idea, we would love to hear it. Everything Else We Build Games are one part of what we do. Over 18 years we have built a wide range of products for our clients: Mobile Apps: iOS, Android, and Flutter Specialized Apps: BLE, IoT, NFC, and Hardware integration Web Development: Laravel, Node.js, React, Vue, WordPress, and Shopify Design: Modern UI/UX design for apps and websites Why Work With Us? We combine 18 years of deep experience with the speed of modern AI. Faster Delivery: We use the latest AI tools (Cursor, Claude, ChatGPT) to write and check code faster. Better Pricing: By working efficiently and reusing our own tested components, we save time on manual tasks and pass those savings on to you. Proven Quality: We are in the Top Rank of the Freelancer.com community with a very high repeat-hire rate. How We Work (Step-by-Step) We follow a clear process so there are no surprises: Scope: We create a detailed study document of your requirements. Planning: We build wireframes and data flow diagrams. Design: We create the system design and all app screens. Testing Plan: We define test cases for all devices. Development: Our team starts the programming phase. Review: Regular updates and reviews with you. Launch: Final testing, bug fixing, and deployment to your server. Availability & Communication Response Time: Usually within 12 hours. Working Days: Monday to Saturday. Working Hours: 10:00 AM to 8:00 PM. Our goal: We aren't looking for a "one-time project." We want to build a long-term business relationship with you. We guarantee our work and won't stop until you are 100% happy. Ready to start? Let's chat about your project! less -
Hire sabarikptm
⚡ Senior Hardware & Full-Stack Engineer | PCB | Embedded | LiDAR | IoT | Mobile & Web 🙏 18+ years of hands-on experience in end-to-end product development across PCB Design, Embedded Electronics, LiDAR Hardware, IoT, Mobile & Web Apps. I combine electrical, mechanical & software domains to build production-ready...⚡ Senior Hardware & Full-Stack Engineer | PCB | Embedded | LiDAR | IoT | Mobile & Web 🙏 18+ years of hands-on experience in end-to-end product development across PCB Design, Embedded Electronics, LiDAR Hardware, IoT, Mobile & Web Apps. I combine electrical, mechanical & software domains to build production-ready solutions. 🎯 Core Expertise ⚡ Hardware & PCB Design ✅ End-to-End Hardware Architecture ✅ High-Speed Analog & Digital Circuits ✅ Microcontrollers (STM32, ESP32, ARM, AVR, PIC) ✅ Power Electronics, SMPS, Battery Charging ✅ UART, I2C, SPI, USB, CAN, RS485, Ethernet ✅ IPC-7351B & IPC-2221A Compliant (36+ layers) ✅ Multi-Layer Stackup, Signal Integrity, EMI/EMC ✅ DFM/DRC, BOM, Gerber, ODB++ files ✅ LiDAR Hardware, ToF, Laser Diodes 🔧 Embedded & IoT ▪ Firmware in C/C++, Arduino, Raspberry Pi, PLC ▪ Bluetooth, BLE, WiFi, GPS, RF, Antenna Design ▪ Wireless Sensors, RADAR/LIDAR, Remote Sensing ▪ Smart Home, Industrial IoT, Wearables 📐 CAD & Mechanical ▪ SolidWorks, Fusion 360, AutoCAD, FreeCAD ▪ 3D Modeling, Enclosure Design, Renderings ▪ STEP, STL, DXF, IGES, 3D Print-Ready ▪ Mechatronics, Aerospace, Automotive 📱 Mobile App Development ▪ Android (Kotlin, SDK, Studio), iOS / iPhone ▪ Flutter Cross-Platform Apps ▪ UI/UX Design, Firebase, Push Notifications ▪ Play Store & App Store Deployment 💻 Web Development ▪ HTML5, CSS, JavaScript, PHP, Node.js, Flask ▪ WordPress, Shopify, eCommerce, CRMs ▪ Landing Pages, Dashboards, SaaS Platforms ▪ Payment Gateway Integration 🗄️ Backend, Database & API ▪ MongoDB, MySQL, SQL, Firebase ▪ Custom REST API Development ▪ Third-Party API Integration ▪ Authentication, Webhooks, Microservices 🤖 AI & Automation ▪ Computer Vision, Deep Learning, NLP ▪ Chatbots, ChatGPT/Claude API Integration ▪ Prompt Engineering, LLM Solutions ▪ Virtual Assistants (Alexa, Google, Siri) 📊 Data & Analytics ▪ Web Scraping (Selenium, BeautifulSoup) ▪ Power BI, Excel VBA, Google Sheets Automation ▪ Data Cleansing, Processing & Analysis 🧰 Tools ▪ Altium Designer, NEXUS, KiCAD, OrCAD, Allegro, Eagle, PADS ▪ SolidWorks, Fusion 360, AutoCAD ▪ Android Studio, VS Code, Git, GitHub ▪ Python, Java, C, C++, Kotlin, JavaScript 🌟 Why Choose Me? ✔ 18+ Years Cross-Disciplinary Experience ✔ 360° Hardware + Software, one roof ✔ LiDAR & Opto-Electronics Specialist ✔ IPC-Compliant Precision Design ✔ Production-Ready with Full Documentation ✔ Rapid Turnaround & Flexible Revisions ✔ Clear, Professional Communication ✔ Strict Confidentiality 🚀 How I Work ▪ Understand your real business goal ▪ Suggest the smartest technical approach ▪ Execute with proper standards & milestones ▪ Test thoroughly with real-world validation ▪ Deliver on time with full source files 💎 Whether you need a single PCB, a full IoT product, a mobile app, or a complete hardware-to-software solution, you will get engineering excellence backed by 18 years of real-world experience. 📩 Send me a message, let us build something powerful together! less -
Hire deane20
With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal...With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal processors. I’ve successfully created cutting-edge hardware solutions and embedded systems across various industries, including consumer electronics, IoT, medical devices, and automotive. PCB fabrication and assembly are handled through trusted partners based in the U.S. and China, ensuring reliability and efficiency. Key Skills: ✔️Hardware Design ✔️Firmware Development ✔️Prototyping & Testing Notable Projects: ✔️Embedded IoT Device for Environmental Monitoring Led the development of a low-power IoT device for real-time environmental monitoring, designing the sensor interface, power management system, and wireless communication protocols. Implemented energy-efficient firmware algorithms to extend battery life and enhance reliability. ✔️High-Speed Data Acquisition System for Aerospace Designed a high-speed data acquisition system for aerospace testing, creating custom PCBs with high-speed interfaces and integrating FPGA-based signal processing. Developed firmware for real-time data acquisition and processing, meeting stringent performance requirements. ✔️Medical Device Prototype for Remote Patient Monitoring Collaborated with a startup to develop a prototype for remote patient monitoring, designing the hardware platform for physiological signal acquisition and integrating wireless connectivity. Developed firmware for real-time signal processing and secure data communication, ensuring compliance with regulatory standards. Additional Expertise: ✔️PLC System Integration Control logic using ladder diagrams, structured text, and function block programming in environments such as Siemens TIA Portal, Allen-Bradley Studio 5000, and Mitsubishi GX Works. ✔️RF Circuit Design Proficient in designing high-power amplifiers, antennas, low-loss filters and mixers up to Ka-Band. ✔️Radar Signal Processing Expertise in radar system design and dynamic simulation using MATLAB. ✔️Battery Design & Systems Experience with Li Battery design, EV systems, solar hybrid power controllers, and more. less -
Hire TingWang250617
Hi everyone, I have 12+ years of experience as a PCB designer, PCB production manager and salesman at READA PCB Technology Co., LTD in Shenzhen, China. Excellent PCB design skills and firmware development using embedded C and python. Rich experience in handling everything from concept to end products. My expertise...Hi everyone, I have 12+ years of experience as a PCB designer, PCB production manager and salesman at READA PCB Technology Co., LTD in Shenzhen, China. Excellent PCB design skills and firmware development using embedded C and python. Rich experience in handling everything from concept to end products. My expertise and skills: 1. schematic and PCB design(Altium Designer, Eagle, Allegro, Circuit Studio, KICAD and EasyEda) ✅ various kinds of Arduino and Raspberry Pi compatible HAT and breakout board ✅ Quectel's GSM/GPRS/LTE modem ✅ Battery Management System circuit design ✅ ESP8266, ESP32WROMM/WROVER, nRF52832 and nRF52840 ✅ USB2.0/3.0/3.1 hub design ✅ RF design and high-speed signal layout design ✅ FPGA board with DDR2/DDR3/DDR4 ✅ IoT sensors ✅ ublox neo6m, ublox neo8m GPS module 2. Manufacturing PCB production and PCBA and Component sourcing from a local company located in Shenzhen, China 3. Ordering PCB&PCBA from JLCPCB, SEEED STUDIO, and PCBWAY 4. Firmware Development ✅ Arduino programming in Arduino IDE and Visual Studio Code ✅ Raspberry Pi programming in PyCharm ✅ ARM chip programming in Atmel Studio, Zerynth IDE and Keil ✅ PIC chip programming in MPLAB Please contact me if you want to bring your ideas in the electronics field to fruition. I will provide the best design, high quality, cost-effective production price, and fast delivery. Thanks less -
Hire harishparas
Hi, I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction and successfully delivering hundreds of projects across industries. A Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android...Hi, I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction and successfully delivering hundreds of projects across industries. A Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. I Can Help You With: ✅ Health and Fitness Apps ✅ GPS/ Geo Location Apps ✅ Trade Apps ✅ Homeowner/Contractor App ✅ Artificial Intelligence based Apps ✅ Bluetooth / BLE Integration Apps ✅ Food Delivery Apps ✅ Nutrition Planning Apps ✅ Restaurant Search Apps ✅ Salon Booking Apps ✅ Gym Booking Apps ✅ Taxi Apps ✅ AI Powered Apps ✅ E-commerce Apps ✅ Dating and TikTok Style Apps ✅ Video Streaming, Voice Calling, Chat and Messaging Apps ✅ Real Estate Apps ✅ Driver Instructor Finding Application ✅ Hotel and Travel Booking Apps ✅ E-Learning Mobile Application ✅ Wellness & Meditation Application ✅ NDI's Industry Applications 🎯 Areas of Expertise ◉ Mobile App Development ◉ Cross-Platform App Development ◉ Backend Development ◉ Frontend Development ◉ API Development & Integrations ◉ Databases & Cloud Storage ◉ Real-Time App Features ◉ Payment Gateway Integration ◉ Maps & Location Services ◉ Version Control & Collaboration I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. 🔹 What I Do - Full Stack Web & Mobile App Development - No-Code / Low-Code Development - AI App Development & Integration - SaaS Application Development - API Integration - Dashboard & Admin Panel Development - Workflow Automation - UI/UX Design 👉 Let’s start with a FREE 15–30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your project requirements. less -
Hire AdeelAslam4
✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real,...✪ ✪ ✪ IN TOP 1% Freelancers of Freelancer.com ✪ ✪ ✪ We’re a Pakistan-based software development team helping startups, SMBs, and enterprises build high-quality digital products — fast and efficiently. From mobile apps and custom websites to eCommerce platforms and AI-powered solutions, we turn your ideas into real, scalable software. Our expertise now includes AI/ML development and Generative AI integration, helping clients automate workflows, build smart features, and stay ahead with the latest in AI technology. We use proven tools, agile processes, and a partner-first mindset — offering clear communication, reliable delivery, and long-term support. Our core skills: ✅ UX/UI Design ✅ iOS & Android Apps ✅ Web Development (ReactJS, Laravel, Ruby on Rails, PHP/MySQL, Python) ✅ WordPress & Shopify ✅ Custom eCommerce Solutions ✅ API Integrations ✅ AI/ML & Generative AI Development Let’s build something great — together. less
