RFID Experts para contratar
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Freelancers patrocinados
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Contratar martini002
Where technical precision meets real-world impact Hi, I’m Segismundo Martin Ocando Fuentes, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and...Where technical precision meets real-world impact Hi, I’m Segismundo Martin Ocando Fuentes, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. menos -
Contratar vnazar1985
He is an experienced developer of integrated IT and innovation solutions. 18 years of development experience. Experience in programming: - Delphi, Rad studio - C, C ++ - C # - Java - T-SQL - MSSQL - ... Electronics Development: - Altium designer - Multi Sim NI - STM32 - STM8 - AVR - ... Design development: -...He is an experienced developer of integrated IT and innovation solutions. 18 years of development experience. Experience in programming: - Delphi, Rad studio - C, C ++ - C # - Java - T-SQL - MSSQL - ... Electronics Development: - Altium designer - Multi Sim NI - STM32 - STM8 - AVR - ... Design development: - SolidWorks - SolidCAM - ... menos -
Contratar vanlybk410018921
Diseño de circuitos, DDR3 (PCIe, diseño de placa/FPGA), Electrónica Digital, Ingeniería eléctrica, Diseño ElectrónicoEXPERIENCE 10 year. * Layout Package Substrate at company Ampere computing ( VietNam center)7/2022-> now - Perform components placement and routing on Multi-Layer. - Build and maintain Allegro Library database, create footprints. - Routing for high-speed signals. Layout DDR4/5 Layout PCIE4/5 Working with Signal...EXPERIENCE 10 year. * Layout Package Substrate at company Ampere computing ( VietNam center)7/2022-> now - Perform components placement and routing on Multi-Layer. - Build and maintain Allegro Library database, create footprints. - Routing for high-speed signals. Layout DDR4/5 Layout PCIE4/5 Working with Signal integrity (SI) team to optimal high-speed signals - Plan and cutting power on Package Substrate. Working with Power integrity (PI) team to optimal power delivery. - Study ball map on Package Substrate. - Check QA - Check DFM *Layout PCB ( company Psmart 4/2020-> 06/2022) PCB layout board server for CisCo, high speed up to 50Ghz, cut plan power and run simulate power Integrity. - Layout package design system for server cloud , DDR5, PCIE, INTERCONNECT up to 25GHz. - Lead board division of work for subordinates and response result to customers. - Build footprint, steup constraint - Placement part and power Macro - Layout high speed signal optical up to 50GHZ, - Layout RAM DDR3, DDR4, DDR5 - Layout card PCIE, Ethenet - Cut power plane and simulater recheck - Check EMI with high speed signal - Check QA complete board - Generate gerbers file and used gerber tool for recheck * I leaded some projects IOT I lead hardware and firmware for project “ Radio and television receiver clusters in communes and wards apply information technology” I used CPU RASBERRY PI module CM3+ ,FM, 4G, GPS, LAN, WIFI, BLE, Amplifier audio 100W for 4 loudspeakers. ( I design hardware schematic, layout and user guide functions for firmware code). I lead hardware and firmware for project “ Tracking Pet”. Used mcu esp32, and gps, 4g, sensor, wifi, ble.( (I design hardware schematic, layout and user guide functions for firmware code). *Hardware design Engineer at IOT department of VNG company 2015 -> 3/2020 I. Working with smart home projects, smart buildings (light management system, door management). II. Leader project tracking locate the tag and the customer sits in the cafe ( tracking locate tag and customers sitting in cafes ) . Receive requests from customers. Develop system diagrams, design hardware schematic, layout . Work with box designers to box design . Work with the software department to meet customer requirements . Working with production partners and managing production processes III. Leader Hardware in project Bus ticket payment Ho Chi Minh City transportation department. *SKILLS - Experience Orcad and Allegro to design schematic and circuit board layout. - Know use some drawing software to support layout and box design: Autocad, Solidworks, gebertool - know code simple for test hardware after design. - Basic knowledge in the field of high frequency circuit design. - Able to design circuit high-frequency power amplifier according to the request, and some other circuits in high-frequency field. - Knowing use specialized measuring equipment such as high-frequency spectrum analyzer FSP SPECTRUM and VECTOR NETWORK ANALYZER . menos -
Contratar Neelumsoft
Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website...Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website development services. My target is to help these companies automate their complex business logic. I also hold specialization in developing APIs and integrate almost all sorts of APIs in your application. I also automate business processes to help your business run smoothly. Why should you hire me? Reasons that sound logical in hiring me include ● 99% Completion rate ● Top 3% in Freelancer.com directory ● Lower hourly rate for long term projects ● Life time free bug fixing guarantee Coming to our array of services, I offer my customers with: ● Mobile Responsive Website Design, Development & Optimization. ● Graphics Design & 3D Logo Design & Brand Identity. ● Android App Development (Native & Hybrid) ● Wix Studio, Google Apps Script, SalesForce, Xero, AMP, GSO and Progressive Web Applications Development ● Web Services (JSON, XML, SDK, SOAP, SAML, SSO) ● Website Maintenance (Regular Updates) ● Cloud Formation, JotForm.com, Bubble.io, klaviyo.com Major Web API Integrations are namely- - Google (Maps, Drive, Analytics, My Business, Tag Manager, Gmail) - Payment Gateways (PayPal, Square, Stripe + Connect, PayTM, Skrill, 2Checkout, Paynet, BrainTree). - Shipping Platforms (Fedex, Royal Mail) - SMS Gateway (Twilio, BrainsSMS, Clickatell) - Social (Facebook, Instagram, Twitter, LinkedIn, YouTube, Telegram) - AWS, GCP, Big Data, Big Query, AI, and Data Engineering - HealthCare (Stafferlink, Deputy) - Smoobu, Remote lock, MQTT, Web Sockets, - NFC, RFID, Sensors, Fingerprint, and QR processing, Aurdino, Power BI - Blockchain, Smart Contracts, Ethereum, Binance Smart Chain, NFT, Data Mining - Microcontrollers, PLC, Electronics, Robotics process automation, AI Automation Tools, MVC and CMS that I'm are compatible working with are: 1. OpenAI, Machine Learning, Chat GPT, Tensorflow 2. Codeigniter, Laravel 3. AngularJS 4. Wix 5. Squarespace 6. Shopify 7. Bootstrap, Foundation 8. Intel XDK Android Application Development 9. Ethr.js Solidity menos -
Contratar 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. menos -
Contratar markom435
I am a Full-Stack Web Developer specializing in building modern, scalable, and secure web applications. I develop complete web solutions using technologies such as JavaScript, React.js, Vue.js, Node.js, Express.js, and database systems including MongoDB and SQL. My experience covers frontend development, backend API...I am a Full-Stack Web Developer specializing in building modern, scalable, and secure web applications. I develop complete web solutions using technologies such as JavaScript, React.js, Vue.js, Node.js, Express.js, and database systems including MongoDB and SQL. My experience covers frontend development, backend API development, authentication systems, dashboards, eCommerce platforms, and business applications. I also integrate AI features and automation solutions into web applications to improve efficiency and create smarter user experiences. Beyond web development, I have a strong background in cybersecurity, reverse engineering, and secure software development, allowing me to build reliable and resilient applications. My experience with C/C++, system programming, software engineering, 3D design, Graphic design, CAD/CAM & SolidWorks, SEO, Internet marketing, Photoshop and WordPress helps me understand complex technical challenges and create effective solutions. I focus on clean architecture, maintainable code, and delivering practical solutions that meet each client's goals. menos -
Contratar jeremiasg17
Senior Full-Stack | AI Software Engineer with over 10 years of experience designing and delivering scalable web, mobile and AI applications from concept to production. Specialized in high-performance SaaS platforms, real-time systems, cloud infrastructure, and automation solutions. Strong expertise in React, Next.js,...Senior Full-Stack | AI Software Engineer with over 10 years of experience designing and delivering scalable web, mobile and AI applications from concept to production. Specialized in high-performance SaaS platforms, real-time systems, cloud infrastructure, and automation solutions. Strong expertise in React, Next.js, React Native, NestJS, Node.js, Python, PHP and AWS cloud services. Experienced in building production-grade applications across fintech, healthcare, e-commerce, AI and automation domains. Focused on clean architecture, scalability, system reliability, and long-term maintainability. menos -
Contratar tetianam8
I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production,...I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production, ensuring compliance with industry standards and delivering high-quality, reliable products. My approach combines technical proficiency with clear communication, ensuring that clients are informed and involved at every stage. Technical Skills: -PCB Design: Altium Designer, KiCAD, Eagle -Embedded Systems: ARM Cortex, STM32, AVR, ESP32 -Programming Languages: C/C++, Python -Communication Protocols: I2C, SPI, UART, CAN, Ethernet -IoT Platforms: AWS IoT, Azure IoT Hub, MQTT -Simulation Tools: LTspice, MATLAB/Simulink Industries Served: -Consumer Electronics -Automotive -Medical Devices -Industrial Automation -Aerospace I am committed to delivering solutions that meet and exceed client expectations. Let's collaborate to bring your electronic projects to life with precision and efficiency. menos -
Contratar michihochuli
Skills: IT, Network, Networkadministration, Firewall, UCC, Hosted PBX, 3CX, VoIP, Webhosting, Wordpress, Website-Administration, M365 Administration, Public or Private Cloud Services including Virtual Desktop, MDM Language: German (native), English, French Normal Business Hours: 9h-22h (GMT+2)Skills: IT, Network, Networkadministration, Firewall, UCC, Hosted PBX, 3CX, VoIP, Webhosting, Wordpress, Website-Administration, M365 Administration, Public or Private Cloud Services including Virtual Desktop, MDM Language: German (native), English, French Normal Business Hours: 9h-22h (GMT+2) menos -
Contratar jasonm449
Diseño de Antenas, Procesamiento Digital de Señales, Diseño Electrónico, Mathlab y Mathematica, MATLAB/SimulinkI am an experienced RF Engineer specializing in wireless communication systems, RF circuit design, antenna engineering, and radio frequency optimization. I help companies develop and improve RF solutions through advanced design, simulation, testing, and performance analysis. My expertise includes RF system design,...I am an experienced RF Engineer specializing in wireless communication systems, RF circuit design, antenna engineering, and radio frequency optimization. I help companies develop and improve RF solutions through advanced design, simulation, testing, and performance analysis. My expertise includes RF system design, antenna design, microwave engineering, signal analysis, RF testing, impedance matching, and wireless communication technologies. I have experience working with RF simulation tools, spectrum analyzers, network analyzers, and various wireless protocols including Wi-Fi, Bluetooth, LTE, 5G, and IoT connectivity solutions. I provide complete RF engineering services, including RF circuit development, antenna optimization, transmission and reception system design, electromagnetic analysis, and troubleshooting of wireless performance issues. I focus on creating efficient, reliable, and high-performance RF solutions for modern communication products. With strong analytical skills and attention to detail, I deliver professional RF engineering support for startups, manufacturers, and technology companies. I am committed to solving complex wireless challenges and helping clients achieve reliable communication performance from concept to final product. menos
