Embedded Engineer/RF Engineers For Hire
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Hire AwaisChaudhry
ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software...ZAWN Tech is a full-service IT & Engineering company founded in 2014, delivering complete digital and hardware solutions for startups and enterprises worldwide. We operate with an in-house team of specialized developers, designers, marketers, and engineers across multiple domains, allowing us to handle both software and embedded engineering projects with proven real-world experience. Our certified team combines deep technical knowledge with hands-on delivery to build fast, secure, scalable, and user-friendly solutions. Core Expertise Web & SaaS Development: Full-stack development using PHP, WordPress, Python, React, Node.js, Angular.js, Electron.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, Webflow, and custom business platforms. Website Design & UI/UX: Website Design, Web Design, Web Development, Graphic Design, Logo Design, User Interface (UI) Design, User Experience (UX) Design, Wireframing, Prototyping, Responsive Design, HTML/CSS, Squarespace, Landing Pages, and conversion-focused business websites. eCommerce: Shopify, WooCommerce, Magento, Amazon, and custom marketplace platforms with payment, shipping, ERP, and inventory integrations. Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Mobile Apps: Native and cross-platform development (Flutter, React Native, Android, iOS). AI & Computer Vision: Machine Learning, Chatbots, GPT integrations, TensorFlow, OpenCV, OCR systems, automation, and intelligent business solutions. Game Development: Unity 3D, Unreal Engine, WebGL, multiplayer games, blockchain gaming, and AR/VR experiences. Hardware & IoT (In-house Team): Electronics, Microcontrollers, PLC & SCADA, Electrical Engineering, Embedded Systems, Automation, Arduino, Raspberry Pi, ESP32, MATLAB, robotics, and control systems. Trading EA, Bots & Automation: MQL, MT4/MT5, TradingView, Binance, IBKR, algorithmic trading systems, indicators, EAs, and trading bots. Enterprise & Business Solutions: CRM systems, ERP platforms, Odoo customization, Salesforce, Microsoft Dynamics 365, SharePoint, Power BI, Power Apps, workflow automation, business process optimization, reporting dashboards, inventory management, data processing, business intelligence, and enterprise software integrations. Digital Marketing & SEO: Search Engine Optimization (SEO), Technical SEO, Keyword Research, Content Strategy, Social Media Marketing, Email Marketing, Website Optimization, Analytics, Brand Management, Content Creation, and digital growth strategies. Customer Support : Customer Support, Customer Service, Virtual Assistant Services, Call Center Operations, Telemarketing, VoIP Solutions, Asterisk, PBX , SIP With 300+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions delivered with clear communication, transparent processes, and long-term support. less -
Hire KESHAVINFOTECH
KESHAVINFOTECH KESHAVINFOTECH
$7 USD / hour
Quick & Affordable AI Dev: Mobile, Web, Games, IoTIndia## 18+ Years of Experience | AI-Powered Development | Top 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+...## 18+ Years of Experience | AI-Powered Development | Top 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. ### 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 using AI and ready-made assets, we save time on manual tasks. We 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. ### What We Do Best - Mobile Apps: iOS, Android, and Flutter. - Specialized Apps: BLE, IoT, NFC, and Hardware integration. - Game Development: High-quality Unity Games. - Web Development: Laravel, Node.js, React, Vue, WordPress, and Shopify. - Design: Modern UI/UX Design for apps and websites. ### How We Work (Step-by-Step) We follow a clear process so there are no surprises: 1. Scope: We create a detailed study document of your requirements. 2. Planning: We build wireframes and data flow diagrams. 3. Design: We create the system design and all app screens. 4. Testing Plan: We define test cases for all devices. 5. Development: Our team starts the programming phase. 6. Review: Regular updates and reviews with you. 7. 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! Best Regards, Ghanshyam & Samir Keshav Infotech less -
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 jamesr423
Experienced Electronics Engineer with extensive expertise in electronic product development, circuit design, schematic capture, PCB layout, embedded systems, RF engineering, and signal processing. Skilled in designing analog, digital, mixed-signal, and power electronic circuits for industrial, consumer, IoT,...Experienced Electronics Engineer with extensive expertise in electronic product development, circuit design, schematic capture, PCB layout, embedded systems, RF engineering, and signal processing. Skilled in designing analog, digital, mixed-signal, and power electronic circuits for industrial, consumer, IoT, telecommunications, medical, and automation applications. Proficient in the complete hardware development lifecycle, from concept and requirements definition through schematic design, simulation, PCB layout, prototyping, testing, debugging, and manufacturing support. Experienced in developing multilayer PCB designs with a strong focus on signal integrity, power integrity, EMC/EMI compliance, thermal management, reliability, and Design for Manufacturing (DFM). Highly skilled with industry-standard design tools including Altium Designer, KiCad, OrCAD, Eagle, and PADS for schematic capture, PCB layout, library creation, design review, and production documentation. Experienced in delivering manufacturing-ready outputs including Gerber files, BOMs, assembly drawings, pick-and-place files, and fabrication packages. Strong background in embedded systems development using microcontrollers, Arduino, ESP32, STM32, ARM Cortex-M devices, and FPGA-based platforms. Experienced in firmware development, hardware-software integration, communication protocols, sensor interfacing, motor control, and real-time embedded applications. Specialized in RF and wireless system design, including antenna development, RF matching networks, RF amplifiers, wireless communication modules, and technologies such as Wi-Fi, Bluetooth, Zigbee, LoRa, ISM-band radios, and cellular communications. Capable of designing reliable, high-performance electronic systems optimized for functionality, manufacturability, and cost efficiency. Core Competencies: • Electronic Circuit Design • Schematic Capture & Review • PCB Layout & High-Speed Design • Analog, Digital & Mixed-Signal Electronics • Power Supply & Power Electronics Design • RF Circuit & Antenna Design • Embedded Systems & Firmware Development • ESP32, STM32, ARM & FPGA Platforms • Signal Processing & Control Systems • EMC/EMI & Signal Integrity Analysis • DFM, DFA & Production Support • Hardware Debugging & Validation • IoT & Wireless Communication Systems • Prototype Development & Product Engineering 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 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 Let’s collaborate and build something extraordinary together! less -
Hire crickshaw78
crickshaw78 crickshaw78
$45 USD / hour
Mobile App Developer | Android, iOS | BLE & IoTUnited StatesSenior Mobile Software Engineer with 15+ years shipping native Android and iOS applications, BLE & IoT communication apps, AI model integrated apps at scale. Deep hands-on expertise in Bluetooth Low Energy (BLE), IoT, firmware communication, mobile apps based in AI model medical-grade wearable integration, and...Senior Mobile Software Engineer with 15+ years shipping native Android and iOS applications, BLE & IoT communication apps, AI model integrated apps at scale. Deep hands-on expertise in Bluetooth Low Energy (BLE), IoT, firmware communication, mobile apps based in AI model medical-grade wearable integration, and embedded Android across healthcare, fitness, financial services and maritime industries. Proficient in Kotlin, Swift, Jetpack Compose, SwiftUI, Core Bluetooth, and Android NDK. Track record of leading distributed mobile teams, authoring reusable BLE/firmware libraries, AI models and delivering apps used daily by millions on Google Play and the App Store. 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 ahmaddar2970
As a dedicated Full Stack Developer, I bring over 3+ years of industry experience to the table, specializing in crafting dynamic and responsive web applications. My expertise spans both front-end and back-end development, ensuring comprehensive, high-quality solutions that consistently meet and exceed client...As a dedicated Full Stack Developer, I bring over 3+ years of industry experience to the table, specializing in crafting dynamic and responsive web applications. My expertise spans both front-end and back-end development, ensuring comprehensive, high-quality solutions that consistently meet and exceed client expectations. ? Core Competencies: ✔️ Mobile Development: Platforms: Android, iPhone Frameworks: PhoneGap, Ionic, Cordova, React Native, Xamarin, Flutter Technologies: AR/VR, Apple Watch, Android Wear SDK, Apple XCODE ✔️ Web Development: Core Technologies: HTML, CSS, WordPress, WIX Backend: PHP (Magento, Cakephp, Codeigniter, Symfony, Laravel), Ruby on Rails, ASP.NET, MVC, VB.NET, WPF JavaScript Frameworks: React.js, Angular, node.js, Express.js, Vue.js, D3.js, Three.js CMS: Webflow, Podio, Bubble.io, Gobiflow APIs: RESTful API Tools: Docker, JSON, AJAX, Odoo ✔️ SEO: Auditing/Optimization: WordPress, Shopify, WooCommerce, WIX, various websites ✔️ Database Development: Relational Databases: Teradata, Oracle, MSSQL, MySQL NoSQL Databases: MongoDB, Cassandra, Hive, Firebase Data Visualization Tools: Metabase ✔️ API Development: APIs: OpenAI API, RESTful API, SOAP API, Google Map API, Google Translate API ✔️ eCommerce: Platforms: WIX, WooCommerce, BigCommerce, Shopify, Ecwid, Shopware, Prestashop, Joomla, Drupal, Zoho, Odoo, WHMCS CRM: vTiger, SuiteCRM/SugarCRM ✔️ Blockchain: Technologies: Metaverse, Web3, NFT, NFT Games, Smart Contracts Blockchain Networks: Ethereum, WAX, Solana, BSC, Polygon Tools: Pancakeswap, Arbitrage Bot, Uniswap, DEX, DAPP (Frontend, Snipper, Sandwich Bots) Documentation: White Paper ✔️ Game Development: Technologies: WebGL, HTML5, Unity3D, Unreal Engine 4/5, Godot 3D Modeling: 3D Max, 3D Maya ✔️ Data Visualizations/Analytics: Tools: Tableau, Looker Studio, Power BI, Qlikview, Klipfolio, Zoho Analytics, Domo ETL/Data Pipelines: Apache Spark, Hadoop, Apache Airflow, SAP Data Services, Data Bricks, Talend, AWS pipelines, Azure Data Factory, Matillion ✔️ Desktop Development: Languages: Java, Python, C#/C++, Delphi, Qt++, VB, Golang ✔️ Design: Tools: Photoshop, Illustrator, Figma ✔️ Call Center Technologies: Technologies: Twilio, Nexmo, VoIP, SIP, Asterisk, FreePBX, Freeswitch ✔️ Trading: Platforms/Tools: Sierra Chart, Pinescript, Thinkorswim, Tradestation, Metatrader, NinjaTrader, Tradingview, Binance, Kucoin, Interactive Broker, IQOption, FXTM APIs ✔️ Artificial Intelligence: Technologies: Machine Learning, OpenCV, OCR, TensorFlow, ChatGPT, Jetson Nvidia, YOLO, Chatbot, GPT-3, OpenAI ✔️ Hardware: Technologies: Embedded System, Arduino, Matlab, Raspberry Pi, ESP32, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. CAD/CAM Design: SolidWorks, AutoCAD, Fusion 360, Inventor Manufacturing: CNC Machining, CAM, GD&T, DFM, DFA less
