Wireless Engineers For Hire
Showing 11 results
Sponsored Freelancers
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Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S....Veteran, expert system developer in multiple domains including web apps, iOS and Android, embedded microprocessor systems, High-Performance Computing with NVidia GPUs (CUDA), graphics, database, and telcommunication systems. Large scale projects from concept to development to marketing no problem. Longtime U.S. expat in Japan, so bi-lingual in English & Japanese. I am fairly new to Freelancer (but not at development), so I only have a few Freelancer "references" and "credits" so far. Personal references and examples of various projects, both small and large, will gladly be provided upon request. less
Hire bestwmm
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With 10+ years of experience in Mobile App Development and IoT Product Engineering, I help startups and enterprises build scalable, secure, and intelligent connected systems. I specialize in: 📱 Mobile App Development ⇢Native iOS (Swift, Objective-C) ⇢ Flutter (Cross-platform iOS & Android) ⇢ BLE-based...With 10+ years of experience in Mobile App Development and IoT Product Engineering, I help startups and enterprises build scalable, secure, and intelligent connected systems. I specialize in: 📱 Mobile App Development ⇢Native iOS (Swift, Objective-C) ⇢ Flutter (Cross-platform iOS & Android) ⇢ BLE-based applications ⇢ Real-time data apps ⇢ Healthcare & Energy domain apps ⇢ App Store deployment & maintenance 🌐 IoT & Connected Systems ⇢ BLE communication (Nordic, ESP32, custom hardware) ⇢ Wi-Fi enabled devices ⇢ Sensor data acquisition & processing ⇢ Cloud integration (MQTT, HTTPS, REST APIs) ⇢ ThingsBoard dashboards ⇢ Secure device-to-cloud architecture 🤖 AI Integration in Products ⇢ AI-powered data insights ⇢ Predictive analytics ⇢ Smart automation systems ⇢ AI-based health monitoring features ⇢ Energy optimization intelligence 🏥 Domain Experience ⇢ Healthcare IoT products ⇢ Energy monitoring systems ⇢ Smart device ecosystems ⇢ Real-time tracking & analytics platforms 💡 What Makes Me Different? ✔ End-to-end ownership (Requirement → Architecture → Development → Deployment) ✔ Strong debugging expertise (BLE issues, memory leaks, performance tuning) ✔ Team leadership experience ✔ Product-focused mindset (not just coding) ✔ Clear communication with US & international clients If you're building: ⇢ A connected IoT product ⇢ A BLE-based medical device app ⇢ An AI-powered monitoring system ⇢ A scalable mobile + cloud ecosystem Let’s discuss how we can bring your product to life. less
Hire snehadudhat
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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! less
Hire PCBDESIGNER38
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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. less
Hire oleksandrt68
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Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven...Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven track record of designing devices for aerospace, military, amateur radio, and commercial applications. I am proficient in industry-standard PCB design software such as Altium, Eagle, KiCad, and EasyEDA, and possess in-depth knowledge of RF design, USB interfaces, high-speed data transmission, impedance matching, and EMI reduction. I am committed to providing high-quality, manufacturable electronic solutions that meet industry standards and customer specifications. Core Competencies • Electronic Design: Analog, Digital, RF, and Electronics • PCB Design Software: Altium Designer, Eagle CAD, KiCad, EasyEDA • Areas of Expertise: RF Circuits, USB Interfaces, Service Data Transmission, Communication Management, EMI Mitigation • Project Areas: Air Force, Military, Wireless Services, Service Products • Industry Knowledge: We have expertise in manufacturing standards, DFM best practices, and industry-recognized technologies. • Innovation: I have proven patents and unique technology developments. Ready to turn your innovative idea into a high-quality product? Let's connect to discuss how my expertise can drive your project's success. less
Hire milosk4
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Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management...Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management circuits. I also have experience in mechanical design and CAD modeling, including enclosures, thermal management, and integration of electronic systems into mechanical structures. I have a proven ability to take products from concept and schematic through PCB layout, firmware integration, prototyping, testing, mechanical integration, and production support. I am experienced in working with multidisciplinary teams and delivering reliable, manufacturable designs for commercial and industrial applications. less
Hire joaquinc48
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. less
Hire markoa7
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I am a senior Full Stack Software Engineer with over 10 years of experience delivering complete, high-performance solutions across Shopify, Online Marketing, CRM, CMS, Go High Level, Hub Staff, full-stack web/mobile development, iOS applications, and AI/ML-powered intelligent systems. My work spans the entire...I am a senior Full Stack Software Engineer with over 10 years of experience delivering complete, high-performance solutions across Shopify, Online Marketing, CRM, CMS, Go High Level, Hub Staff, full-stack web/mobile development, iOS applications, and AI/ML-powered intelligent systems. My work spans the entire technology stack—from hardware-level programming and kernel engineering to cloud dashboards, mobile apps, and AI automation that connects everything together. I build stable, secure, production-ready systems used in robotics, IoT, industrial automation, automotive, smart devices, and modern cloud platforms. Full-Stack Engineering * Frontend: React, Next.js, TypeScript * Backend: Node.js, Python (FastAPI, Flask), REST/GraphQL APIs * Databases: PostgreSQL, MySQL, MongoDB * Cloud: AWS, Docker, CI/CD, Edge-to-Cloud Integration * Building dashboards, remote monitoring & control systems for embedded devices * IoT platforms, OTA firmware update servers, device management portals Blockchain & Web3 Development * Smart Contracts: Solidity, Rust, Go (Hyperledger Fabric chaincode) * Blockchains: Ethereum, BSC, Polygon, Hyperledger Fabric, Solana * Development Tools: Hardhat, Foundry, Truffle, Fabric test-network, Chaincode lifecycle * Frontend: React, TypeScript, Web3.js, ethers.js, WalletConnect, dApp interfaces * Backend: Node.js (NestJS), Python, REST/GraphQL APIs, Oracle integration * Infrastructure: Docker Compose V2, Kubernetes, nginx, PM2, multi-node deployments * DeFi Protocols: Token contracts (ERC20/721/BEP20), DEX/AMMs, yield farming, staking * Enterprise: Permissioned networks, multi-channel Fabric setups, supply chain DLT solutions AI, ML & Intelligent Systems * AI/ML Integration into Embedded Systems * Python-based ML pipelines (PyTorch, TensorFlow, scikit-learn) * Computer Vision for edge devices (OpenCV, YOLO, ONNX Runtime) * TinyML and model optimization for constrained hardware * Sensor fusion, anomaly detection, predictive maintenance * LLM integration via API for device automation or cloud dashboards Technology Stack & Tools * Languages: C, C++, Embedded C, Python, Shell/Bash, JavaScript/TypeScript * OS/RTOS: Linux, FreeRTOS, Zephyr * Build Systems: Yocto, Buildroot, CMake, Make, Bitbake * Debugging: GDB, JTAG, Valgrind, Oscilloscope, Logic Analyzer * Cloud/DevOps: Docker, AWS, GitHub Actions, CI/CD * AI Tools: PyTorch, TensorFlow, ONNX, OpenCV less
Hire draganm59
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imranarshad87 imranarshad87
$20 USD / hour
Full Stack Developer, AI, MERN Flutter iOS AndroidPakistanI'm Imran Arshad, a full Stack Developer with 15+ years of immersive experience in the realm of programming. My expertise lies in turning your ideas into reality and I will help you empower your Business to reach its full potential by offering my services. I can design/develop all kind of simple CMS websites to the...I'm Imran Arshad, a full Stack Developer with 15+ years of immersive experience in the realm of programming. My expertise lies in turning your ideas into reality and I will help you empower your Business to reach its full potential by offering my services. I can design/develop all kind of simple CMS websites to the most complex Web Applications. I have also developed many Dashboards, dynamic database design and complex systems over the past 10 years. I had a chance to work on multiple Business domains, so for me Business domain does not matter, as long as you explain your requirements to me. Expertise: - Front-End Development & Back-End Development. - HTML/CSS, CSS3, Tailwind CSS, JavaScript, SAAS Development, jQuery, Prototype, Dashboard Designing and Development, Responsive/Mobile Friendly theme. - UI/UX Designing, Wire frame, Figma, AdobeXD, Adobe Photoshop - JavaScript Frameworks (AngularJS, ReactJS, VueJS, NodeJS, ExpressJS, NextJS, jQuery, Bootstrap) - eCommerce Solution (Custom Development, Shopify Website, Shopify Public/Private Apps, Magento, OpenCart, WooCommerce, Squarespace, BigCommerce, WIX Websites. - PHP (Almost all the frameworks and CMS, OOP and MVC), Laravel, Codeigniter. - For Mobile Apps, I can work with my friend/colleague on Native iOS & Android Apps (Swift, Kotlin), Cross-Platform (React Native, Flutter). Apple App Store and Google Play Store App Publish. Bot development, Blockchain, Telegram Bot, AI bot, Zoho, .NET technologies, C#, VB.NET, ASP.NET, MSSQL, Desktop App, Web Apps, Dynamic365, Dynamic CRM, SugarCRM, any CRM, PineScript, MT4, MQL, Web Scrapping, ML, AI. - AJAX, JSON, XML, SOAP, CURL, IMAP - AWS, S3, Cognito, Route 53, SES - Version Control (GitHub, BitBucket, Svn) - JIRA, Trello - 3rd party APIs Integration, Payment Gateways Integration (PayPal, Google Checkout, Authorize.net, Stripe, Creating full automated systems for scraping/sending data from/to protected sites, Python/Django, Web Scrapping. - Java, Java Spring Boot etc. - Moodle, Learning Management System. - Database (MySQL, MongoDB, SQLite, PostgreSQL, DynamoDB, MS SQL) - Redesigning Websites/Web Apps, redevelopment Websites/Web Apps. Dashboard Development. - Digital Marketing team, Social Media Marketing (Facebook, Instagram, TikTok, Twitter, YouTube etc.), Google Ads campaign, SEO, On-Page & Off-Page SEO etc. including contents writing, daily/weekly posting on social media accounts and many more. Skills: - Problem Solving and Debugging - Fixing bad/old code and doing step-by-step full code refactoring without breaking live mode. - Complex math calculation - Code testing - Brainstorming, new ideas/suggestions, innovation and solution provider Together, let's redefine excellence in digital innovation. Join me on this exhilarating journey, where boundless creativity meets unwavering expertise, and let's craft a digital masterpiece that transcends expectations. less
Hire imranarshad87
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Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI...Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI Software ✔ AI Web/Mobile App Development, full SaaS development(fast MVP, scale to real-product) ✔ AI Sales & Marketing Agents - automate customer engagement and follow-up ✔ AI Customer Service Bots - 24/7 chat, voice, and email automation ✔ Voice AI Assistants - for calls, appointments, and orders ✔ CRM & Funnel Integrations - HubSpot, GoHighLevel, Salesforce, Zoho ✔ Custom ML Models - trained for prediction, NLP, and automation tasks ✅ Embedded AI & Electronics ✔ Edge AI Systems – ML models running directly on devices (ESP32, Jetson, Raspberry Pi) ✔ IoT Device Prototypes – connected sensors, controllers, and data pipelines ✔ Embedded Vision & Audio AI – on-device image and voice recognition ✔ Hardware + Cloud Integration – send real-time sensor data to AI dashboards ✔ Rapid Hardware MVPs – prototype boards, firmware, and control apps 🌟 Tech & AI Stack ✔ AI/ML: OpenAI GPT, Claude, Llama, Hugging Face, PyTorch, TensorFlow, scikit-learn ✔ Automation: LangChain, Make.com, Zapier, n8n ✔ Embedded: Arduino, ESP-IDF, Raspberry Pi, Jetson, MicroPython, Edge TPU ✔ Cloud: AWS, GCP, Azure – scalable & secure deployment ✔ DevOps: Docker, Kubernetes, GitHub Actions for CI/CD ✔ Languages: Python, TypeScript, C/C++, Node.js, C# 🌟 Why Work With Me ✔ I build complete systems - from AI logic to working hardware ✔ Fast prototyping for startups - MVPs that can grow into real products ✔ End-to-end delivery - hardware, software, and cloud working together ✔ Startup speed with enterprise-level reliability Let’s turn your idea into a smart AI-powered product - from chip to cloud. Build fast. Launch faster. Scale confidently. less
Hire DngPhgNam
